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You searched for: Subject term anaerobic digestion Remove constraint Subject term: anaerobic digestion Subject term China Remove constraint Subject term: China
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1. Anaerobic co-digestion of thermo-alkaline pretreated microalgae and sewage sludge: Methane potential and microbial community

Author:
Jiaqi Fu; Bing Yan; Shuanglin Gui; Yinxuan Fu; Song Xia
Source:
Journal of environmental sciences (China) 2023 v.127 pp. 133-142
ISSN:
1001-0742
Subject:
Fourier transform infrared spectroscopy; Methanobacterium; Methanosarcina; anaerobic digestion; community structure; methane; methane production; methanogens; microalgae; microbial communities; sewage sludge; thermogravimetry; China
Abstract:
... To improve methane production from sewage sludge (SS), co-digestion of SS and microalgae (MA) was studied and the application of thermo-alkaline pretreatment to MA was evaluated. The results showed that thermo-alkaline pretreatment at 90°C for 120 min on MA was the optimum pretreatment condition. Furthermore, when the volatile solids (VS) ratio of SS and MA was 1:2, the methane yield reached maxim ...
DOI:
10.1016/j.jes.2022.04.020

2. Comparison of mesophilic and thermophilic anaerobic digestions of thermal hydrolysis pretreated swine manure: Process performance, microbial communities and energy balance

Author:
Xiaohui Liu; Changmin Lee; Jae Young Kim
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 222-233
ISSN:
1001-0742
Subject:
Euryarchaeota; ammonia; anaerobic digestion; biogas; economic performance; energy balance; energy efficiency; methane production; pig manure; thermal hydrolysis; China
Abstract:
... Anaerobic digestion (AD) of swine manure (SM) commonly shows low biogas output and unsatisfactory economic performance. In this study, thermophilic AD (TAD, 50 ± 1 °C) was combined with thermal hydrolysis pretreatment (THP, 170 °C/10 bar), to investigate its potential for maximizing biogas yield, securing successful digestion and microbial diversity, as well as improving energy balance. Four lab-s ...
DOI:
10.1016/j.jes.2022.03.032

3. Effect of nitrite on hydrolysis-acidification, biogas production and microbial community in semi-continuous two-phase anaerobic digestion of sewage sludge

Author:
Qian Sheng; Yiqing Lu; Shijie Yuan; Xiaowei Li; Xiaohu Dai; Yali Guo; Bin Dong
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 434-444
ISSN:
1001-0742
Subject:
Archaea; anaerobic digestion; gas production (biological); methane; methanogens; microbial communities; nitrites; organic matter; sewage sludge; solubilization; China
Abstract:
... Previous study found that the pre-treatment of sewage sludge with nitrite improves the biogas production during the mono/two-phase anaerobic digestion (AD) using batch biochemical methane potential tests. In this study, the effects of nitrite on hydrolysis-acidification, biogas production, volatile solids destruction and microbial composition in semi-continuous two-phase AD of sewage sludge were i ...
DOI:
10.1016/j.jes.2022.05.020

4. Microbial community structure analyses and cultivable denitrifier isolation of Myriophyllum aquaticum constructed wetland under low C/N ratio

Author:
Jialiang Zuo; Lina Xu; Jianlin Guo; Shengjun Xu; Shuanglong Ma; Cancan Jiang; Dongmin Yang; Danhua Wang; Xuliang Zhuang
Source:
Journal of environmental sciences (China) 2023 v.127 pp. 30-41
ISSN:
1001-0742
Subject:
Bacillus velezensis; Myriophyllum aquaticum; Proteobacteria; anaerobic digestion; biodegradability; carbon; community structure; constructed wetlands; denitrification; livestock; livestock production; microbial communities; nitrates; nitrogen; organic matter; temperature; wastewater; China
Abstract:
... With the rapid expansion of livestock production, the amount of livestock wastewater accumulated rapidly. Lack of biodegradable organic matter makes denitrification of livestock wastewater after anaerobic digestion more difficult. In this study, Myriophyllum aquaticum constructed wetlands (CWs) with efficient nitrogen removal performance were established under different carbon/nitrogen (C/N) ratio ...
DOI:
10.1016/j.jes.2022.04.010

5. A multi-objective optimization approach for clean treatment of food waste from an economic-environmental-social perspective: A case study from China

Author:
Yawen Deng; Xingyu Chen; N.G. Tsan Sheng Adam; Jiuping Xu
Source:
Journal of cleaner production 2022 v.357 pp. 131559
ISSN:
0959-6526
Subject:
anaerobic digestion; case studies; food waste; models; transesterification; waste treatment; China
Abstract:
... The combination of anaerobic digestion and transesterification technologies to treat food waste avoids the environmental problems associated with other treatment methods and effectively utilizes food waste to produce valuable products for society. However, as the anaerobic mono-digestion of food waste is not as efficient as anaerobic co-digestion of food waste with other substrates, this needs to ...
DOI:
10.1016/j.jclepro.2022.131559

6. Anaerobic digestion characteristics and key microorganisms associated with low-temperature rapeseed cake and sheep manure fermentation

Author:
Li Liu; Rongbo Xiong; Yi Li; Laisheng Chen; Rui Han
Source:
Archives of microbiology 2022 v.204 no.3 pp. 188
ISSN:
0302-8933
Subject:
Actinobacteria; Bacteroides; Lactobacillus; Methanobacterium; Methanoculleus; Peptoniphilus; Pseudomonas; Synergistaceae; anaerobic digestion; biogas; fermentation; gas production (biological); microbial communities; pH; rapeseed cake; raw materials; sheep manure; temperature; temporal variation; China
Abstract:
... In this study, gas production from mixed anaerobic fermentation of rapeseed cake and sheep manure at low temperature (15.2–17.8 °C) was investigated in Qinghai rural household biogas digesters to understand the temporal dynamics of key microbial populations involved in fermentations. Different raw material ratios resulted in significantly different effects on biogas yields and microbial community ...
DOI:
10.1007/s00203-022-02796-y

7. Analysis of raw materials and products characteristics from composting and anaerobic digestion in rural areas

Author:
Jingli Wang; Xu Chen; Shuchi Zhang; Yida Wang; Xusheng Shao; Donglei Wu
Source:
Journal of cleaner production 2022 v.338 pp. 130455
ISSN:
0959-6526
Subject:
anaerobic digestion; biogas; composts; food waste; germination; lignocellulose; organic matter; pH; phytotoxicity; salinity; salt concentration; water content; water solubility; China
Abstract:
... Chinese food waste (FW) production is enormous which brings many economic and environmental benefits. There is an urgent need for proper and efficient treatment technology. Anaerobic digestion (AD) is a popular technology for centralized large-scale treatment of FW. Composting technologies including static composting (SC), forced aerated composting (FC), and machine composting (MC) have been appli ...
DOI:
10.1016/j.jclepro.2022.130455

8. Assessment and projection of environmental impacts of food waste treatment in China from life cycle perspectives

Author:
Min Liu; Abiodun Ogunmoroti; Wei Liu; Muyang Li; Mengyan Bi; Wenqiu Liu; Zhaojie Cui
Source:
Science of the total environment 2022 v.807 pp. 150751
ISSN:
0048-9697
Subject:
anaerobic digestion; biogas; electric energy consumption; energy; environment; environmental impact; food waste; freshwater; life cycle assessment; waste treatment; China
Abstract:
... China produces vast amounts of food waste every year. However, the environmental impact of the current treatment of food waste and its potential for improvement are not very clear. Therefore, this study applied life cycle assessment to compare the current major treatment options for food waste and to systematically quantify the environmental impact of current and future food waste treatment in Chi ...
DOI:
10.1016/j.scitotenv.2021.150751

9. Can waste management system be a Greenhouse Gas sink? Perspective from Shanghai, China

Author:
Nanlin Liao; Stephanie C. Bolyard; Fan Lü; Na Yang; Hua Zhang; Liming Shao; Pinjing He
Source:
Resources, conservation, and recycling 2022 v.180 pp. 106170
ISSN:
0921-3449
Subject:
Monte Carlo method; anaerobic digestion; energy; greenhouse gas emissions; greenhouse gases; life cycle assessment; management systems; municipal solid waste; waste treatment; China
Abstract:
... Municipal solid waste (MSW) properties and parameters for MSW treatment technologies are decisive for GHG emission of MSW treatment systems. But they are changing in China due to MSW source segregation and technological advancements, which requires new studies on GHG emissions of MSW treatment systems based on up-to-date data. In this study, GHG emission values and their uncertainties of waste tre ...
DOI:
10.1016/j.resconrec.2022.106170

10. Comparative environmental and economic life cycle assessment of dry and wet anaerobic digestion for treating food waste and biogas digestate

Author:
Huaping Xiao; Dongqing Zhang; Zhihua Tang; Kai Li; Huafang Guo; Xiaojun Niu; Linzi Yi
Source:
Journal of cleaner production 2022 v.338 pp. 130674
ISSN:
0959-6526
Subject:
anaerobic digestion; biogas; composts; economic feasibility; ecotoxicology; energy; food waste; gas production (biological); humans; landfills; life cycle assessment; life cycle costing; models; ozone; photochemistry; toxicity; China
Abstract:
... Anaerobic digestion (AD) has proven to be a promising option for food waste (FW) management, due to the significant potential of recovering energy from waste. In this study, the environmental and economic impacts of six scenarios for FW and biogas digestate management in Shenzhen, China, were evaluated using life cycle assessment (LCA) and life cycle cost (LCC) analysis. GaBi model was employed to ...
DOI:
10.1016/j.jclepro.2022.130674

11. Design and techno-economic analysis of a hybrid system for energy supply in a wastewater treatment plant: A decentralized energy strategy

Author:
L.S. Buller; W.G. Sganzerla; M.D. Berni; S.C. Brignoli; T. Forster-Carneiro
Source:
Journal of environmental management 2022 v.305 pp. 114389
ISSN:
0301-4797
Subject:
activated sludge; aeration; anaerobic digestion; biogas; biomass; case studies; combustion; cost effectiveness; electric power; electricity; energy; sewage sludge; solar energy; urbanization; wastewater; wastewater treatment
Abstract:
... The crescent urbanization generates large volumes of solid residues and wastewater, more and more geographically concentrated. This worldwide trend has also created new challenges regarding energy generation and consumption. Renewable energy sources can be strategic to keep up with the increasing energy demand, especially for under developing countries whose population is large. This study focuses ...
DOI:
10.1016/j.jenvman.2021.114389

12. Effects of Feeding Regimes on Process Performance and Microbial Community Structure in Anaerobic Semi-continuously Stirred Tank Reactors Treating Corn Stover

Author:
Yuqian Li; Junwei Ma; Hairong Yuan; Xiujin Li
Source:
Waste and biomass valorization 2022 v.13 no.2 pp. 1003-1014
ISSN:
1877-2641
Subject:
Bacteroidetes; Firmicutes; Methanobacterium; anaerobic digestion; biogas; biomass; community structure; corn stover; gas production (biological); hydrolysis; lignocellulose; methane; methanogens; microbial communities; pH; China
Abstract:
... Corn stover is one of the dominant agricultural wastes in China, with high lignocellulose contents. Anaerobic digestion of corn stover converts biomass to biogas as sustainable energy. To improve the performance of anaerobic digestion, as well as for flexible biogas production, the effects of different feeding regimes on biogas production, system stability, and microbial community structure were i ...
DOI:
10.1007/s12649-021-01573-0

13. Effects of typical sludge treatment on microplastics in China—Characteristics, abundance and micro-morphological evidence

Author:
Xin-yu Li; Hong-tao Liu; Li-xia Wang; Hao-nan Guo; Jun Zhang; Ding Gao
Source:
Science of the total environment 2022 v.826 pp. 154206
ISSN:
0048-9697
Subject:
anaerobic digestion; environment; landfills; microplastics; pollution; polyethylene; polypropylenes; risk; sewage sludge; soil; soil amendments; thermal hydrolysis; China
Abstract:
... Microplastics (MPs) are emerging pollutants that are enriched in sludge. They enter soil through sludge soil amendment, landfill, and discard, which will cause inescapable environmental pollution risks. Sludge treatment technology commonly used in China include anaerobic digestion (AD), thermal drying (TD), thermal hydrolysis (TH) and aerobic composting (AC). In this study, characteristics of MPs ...
DOI:
10.1016/j.scitotenv.2022.154206

14. Enhancement effect of γ-irradiation pre-treatment on anaerobic digestion performance of kitchen wastewater

Author:
Yongsheng Ling; Hongxiao Wang; Xionghui Fei; Tian Huang; Qing Shan; Daqian Hei; Ting Chen; Xiaojun Zhang; Wenbao Jia
Source:
Journal of cleaner production 2022 v.330 pp. 129951
ISSN:
0959-6526
Subject:
Fourier transform infrared spectroscopy; absorbed dose; anaerobic digestion; biodegradability; gamma radiation; gas chromatography; hydrogen peroxide; irradiation; lipid content; models; pH; wastewater; China
Abstract:
... In China, the annual output of kitchen wastewater with high oil content has exceeded 90 million tons, which poses a threat to the environment. Anaerobic digestion is considered a suitable treatment approach to realize the harmless and resource utilization of kitchen wastewater of the available bioresource. This study explored a pretreatment method based on gamma radiation to reduce the oil content ...
DOI:
10.1016/j.jclepro.2021.129951

15. Enhancing short-term ethanol-type fermentation of waste activated sludge by adding saccharomycetes and the implications for bioenergy and resource recovery

Author:
Linke Zheng; Ying Xu; Hui Geng; Xiaohu Dai
Source:
Journal of environmental sciences (China) 2022 v.113 pp. 179-189
ISSN:
1001-0742
Subject:
Methanobacterium; Rhodobacter; Saccharomyces; Thermomonas; activated sludge; anaerobic digestion; bioenergy; electron transfer; ethanol; ethanol production; fermentation; methanogens; microbial communities; pH; temperature; volatile fatty acids; China
Abstract:
... Ethanol-type sludge fermentation has recently attracted much attention because it can enhance direct interspecies electron transfer and thus improve the anaerobic digestion of waste activated sludge (WAS). In this paper, the enhancement of short-term ethanol-type fermentation of WAS via adding Saccharomyces was investigated. The experimental results show that the maximum ethanol production of 1030 ...
DOI:
10.1016/j.jes.2021.06.005

16. Environmental impacts and nutrient distribution routes for food waste separated disposal on large-scale anaerobic digestion/ composting plants

Author:
Yuxiao Zhou; Yuzhi Hu; A.J.Y. Chen; Zhaowen Cheng; Zhujie Bi; Ruina Zhang; Ziyang Lou
Source:
Journal of environmental management 2022 pp. 115624
ISSN:
0301-4797
Subject:
acidification; anaerobic digestion; biogas; clean energy; composts; decision making; electric energy consumption; electricity; energy recovery; food waste; forestry; leachates; oils; water content; China
Abstract:
... Centralized biological treatments, i.e., anaerobic digestion (AD) and in-vessel composting (IVC), were supposed to be the promising processes for the disposal of food waste (FW) after source separation, while the systematic benefits were unclear for FW with high water content, salt and oil and thus influenced the selection by the local decision-makers. In this study, two large-scale working AD and ...
DOI:
10.1016/j.jenvman.2022.115624

17. Feasibility of annual dry anaerobic digestion temperature-controlled by solar energy in cold and arid areas

Author:
Jinping Li; Shirong Jin; Dandan Wan; Hui Li; Shuyuan Gong; Vojislav Novakovic
Source:
Journal of environmental management 2022 pp. 115626
ISSN:
0301-4797
Subject:
ambient temperature; anaerobic digesters; anaerobic digestion; animal husbandry; autumn; biogas; coal; cold; combustion; energy balance; environmental management; gas production (biological); heat; solar collectors; solar energy; solar radiation; spring; summer; winter; China
Abstract:
... In cold and arid areas, variations of ambient temperature not only lead to a large amount of heat loss from anaerobic digestion reactors but also greater challenges in the stable production of biogas. Common temperature-controlled methods of biogas production, such as coal combustion, electric heating, biogas combustion and so on, are expensive and high energy-consuming. Openly, solar energy is ec ...
DOI:
10.1016/j.jenvman.2022.115626

18. Future trends and patterns in leachate biological treatment research from a bibliometric perspective

Author:
Dhaneswara Ilmasari; Eri Sahabudin; Fatimah Azizah Riyadi; Norhayati Abdullah; Ali Yuzir
Source:
Journal of environmental management 2022 v.318 pp. 115594
ISSN:
0301-4797
Subject:
ammonia; anaerobic digestion; bibliometric analysis; biogas; biological treatment; constructed wetlands; cost effectiveness; databases; energy recovery; leachates; nitrogen; sludge; China
Abstract:
... Leachate has become a great deal of concern due to its complex properties which are primarily caused by the high concentrations of organics and ammonia. Thus, proper leachate treatment is required prior to its discharge. Leachate can be treated in various ways, and biological treatment is one of the approaches. This treatment has been shown to be both effective and cost-efficient while offering th ...
DOI:
10.1016/j.jenvman.2022.115594

19. Genome-centric metagenomics provides new insights into the microbial community and metabolic potential of landfill leachate microbiota

Author:
Chunfang Deng; Renxin Zhao; Zhiguang Qiu; Bing Li; Tong Zhang; Feng Guo; Rong Mu; Yang Wu; Xuejiao Qiao; Liyu Zhang; Jay J. Cheng; Jinren Ni; Ke Yu
Source:
Science of the total environment 2022 v.816 pp. 151635
ISSN:
0048-9697
Subject:
ammonium; anaerobic digestion; cows; environment; genetic traits; genome; habitats; landfill leachates; metagenomics; methane production; methanogens; microbial communities; nitrate reduction; nitrogen; China
Abstract:
... Landfills are important sources of microorganisms associated with anaerobic digestion. However, the knowledge on microbiota along with their functional potential in this special habitat are still lacking. In this study, we recovered 1168 non-redundant metagenome-assembled genomes (MAGs) from nine landfill leachate samples collected from eight cities across China, spanning 42 phyla, 73 classes, 114 ...
DOI:
10.1016/j.scitotenv.2021.151635

20. Health risks of odorous compounds during the whole process of municipal solid waste collection and treatment in China

Author:
Wen Fang; Yujie Huang; Yimeng Ding; Guangxia Qi; Yanjun Liu; Jun Bi
Source:
Environment international 2022 v.158 pp. 106951
ISSN:
0160-4120
Subject:
acetaldehyde; acrolein; anaerobic digestion; carcinogenicity; composts; environment; ethylene dichloride; landfills; municipal solid waste; occupational health and safety; odor compounds; odors; organic wastes; risk; streams; water content; wind speed; China
Abstract:
... The high moisture content and perishable organic waste of municipal solid waste (MSW) in China have caused the severe odor nuisance to be one of the crucial reasons for resident complaints. Understanding the environmental risks of odorous compounds lays the foundations for resolving the problems. This study collected concentration data of 86 odorous compounds in five types of MSW processing facili ...
DOI:
10.1016/j.envint.2021.106951

21. Integrated treatment of food waste with wastewater and sewage sludge: Energy and carbon footprint analysis with economic implications

Author:
Asad Iqbal; Feixiang Zan; Muhammad Ahmar Siddiqui; Sabzoi Nizamuddin; Guanghao Chen
Source:
Science of the total environment 2022 v.825 pp. 154052
ISSN:
0048-9697
Subject:
anaerobic digestion; carbon footprint; energy balance; environment; food waste; greenhouse gases; life cycle assessment; sewage sludge; solid wastes; sustainable development; wastewater; China
Abstract:
... Food waste (FW) is a primary constituent of solid waste and its adequate management is a global challenge. Instead of disposal in landfills, integrated treatment of FW with wastewater (WW) can diminish both environmental and economic burdens. Utilizing steady-state modelling and life cycle assessment techniques, this study investigated the prospects of FW integration with biological WW treatment i ...
DOI:
10.1016/j.scitotenv.2022.154052

22. Life cycle assessment and society willingness to pay indexes of food waste-to-energy strategies

Author:
Yunfeng Huang; Chuan Zhao; Bing Gao; Shijun Ma; Qiumeng Zhong; Lan Wang; Shenghui Cui
Source:
Journal of environmental management 2022 v.305 pp. 114364
ISSN:
0301-4797
Subject:
acidification; anaerobic digestion; biodiesel; biogas; climate change; electricity; energy recovery; food waste; landfills; life cycle assessment; methane; power generation; primary energy; society; transportation; wastewater treatment; willingness to pay; China
Abstract:
... Food waste (FW) has received increasing attention because of its immense production quantities and significance to resource and environmental impacts related to disposal approaches. We combined life cycle assessment (LCA) with society's willingness to pay (WTP) index to evaluate energy, water, and environmental impacts on three food waste-to-energy (FWTE) options in China. For anaerobic digestion ...
DOI:
10.1016/j.jenvman.2021.114364

23. Life cycle assessment of food waste anaerobic digestion with hydrothermal and ionizing radiation pretreatment

Author:
Xionghui Fei; Wenbao Jia; Ting Chen; Yongsheng Ling
Source:
Journal of cleaner production 2022 v.338 pp. 130611
ISSN:
0959-6526
Subject:
Monte Carlo method; anaerobic digestion; computer software; energy; environmental assessment; environmental impact; food waste; ionization; life cycle assessment; waste treatment; China
Abstract:
... Extensive research has been conducted on the life cycle assessment of anaerobic digestion of food waste. However, few studies have evaluated the environmental impact of anaerobic digestion from a technical perspective. This study focuses on the environmental impact of using ionization radiation pretreatment technology in the anaerobic digestion of food waste and compares it with that of traditiona ...
DOI:
10.1016/j.jclepro.2022.130611

24. Life-cycle assessment of two sewage sludge-to-energy systems based on different sewage sludge characteristics: Energy balance and greenhouse gas-emission footprint analysis

Author:
Renjie Chen; Shijie Yuan; Sisi Chen; Hanlin Ci; Xiaohu Dai; Xiankai Wang; Chong Li; Dianchang Wang; Bin Dong
Source:
Journal of environmental sciences (China) 2022 v.111 pp. 380-391
ISSN:
1001-0742
Subject:
anaerobic digestion; credit; energy balance; energy efficiency; feedstocks; greenhouse gas emissions; greenhouses; life cycle assessment; sewage; sewage sludge; China
Abstract:
... Anaerobic digestion and incineration are widely used sewage sludge (SS) treatment and disposal approaches to recovering energy from SS, but it is difficult to select a suitable technical process from the various technologies. In this study, life-cycle assessments were adopted to compare the energy- and greenhouse gas- (GHG) emission footprints of two sludge-to-energy systems. One system uses a com ...
DOI:
10.1016/j.jes.2021.04.012

25. Multi-objective optimization of technology solutions in municipal solid waste treatment system coupled with pollutants cross-media metabolism issues

Author:
Chen Chen; Zongguo Wen; Yihan Wang; Wenting Zhang; Tingting Zhang
Source:
Science of the total environment 2022 v.807 pp. 150664
ISSN:
0048-9697
Subject:
algorithms; anaerobic digestion; biological treatment; case studies; cement; economic costs; energy; energy conservation; environment; environmental impact; environmental performance; kilns; metabolism; models; municipal solid waste; pollutants; pollution; sludge; waste treatment; China
Abstract:
... The environmental impact, energy conservation, and economic cost are prominent decision criteria in municipal solid waste (MSW) management, among which trade-off relationships widely exist because of different features of pollutant treatment technologies. These three objectives should thereby be simultaneously considered in the design of technology combinations in MSW treatment system (MSWTS). In ...
DOI:
10.1016/j.scitotenv.2021.150664

26. Reinforced urban waste management for resource, energy and environmental benefits: China's regional potentials

Author:
Junnian Song; Runchuan Feng; Chunlin Yue; Yixuan Shao; Jiatong Han; Jiahao Xing; Wei Yang
Source:
Resources, conservation, and recycling 2022 v.178 pp. 106083
ISSN:
0921-3449
Subject:
acidification; anaerobic digestion; energy; energy recovery; environmental impact; eutrophication; glass; issues and policy; management systems; municipal solid waste; photochemistry; power generation; rubber; waste composition; China
Abstract:
... Urban waste management is a huge task for achieving regional sustainability. Reinforced waste management is being expedited to achieve enhanced resource, energy and environmental benefits (REEBs). In this study, an integrated municipal solid waste management system focusing on reinforced waste recycling and energy recovery is constructed. Considering regional disparities in waste composition and s ...
DOI:
10.1016/j.resconrec.2021.106083

27. Resource potential and global warming potential of fruit and vegetable waste in China based on different treatment strategies

Author:
Yifan Wang; Shuping Pan; Jun Yin; Huajun Feng; Meizheng Wang; Ting Chen
Source:
Waste management 2022 v.140 pp. 225-232
ISSN:
0956-053X
Subject:
anaerobic digestion; biogas; decision making; energy; environmental impact; fruits; heat; models; primary productivity; system optimization; vegetable residues; waste treatment; China
Abstract:
... Fruit and vegetable waste (FVW) contains rich resources that can be recovered by methods such as incineration, anaerobic digestion to generate heat energy, biogas, and preservation by ensiling. However, a horizontal comparison of the resource potential and environmental impact of different recycling methods employed for FVW has not been conducted. This study quantifies and computes the recycling p ...
DOI:
10.1016/j.wasman.2021.11.016

28. Strategy of optimizing anaerobic digestion of cassava distiller wastewater using a novel automatic biological incubation system

Author:
Chenjie Wu; Qingken Jiang; Pesce Luciano; Yan Sun; Yaguang Du; Tian C. Zhang; Dongyun Du
Source:
Journal of environmental management 2022 v.305 pp. 114384
ISSN:
0301-4797
Subject:
anaerobic digestion; biomass; cassava; chemical oxygen demand; cobalt; economic valuation; environmental management; enzyme activity; gas production (biological); greenhouse gases; iron; methane; methane production; microbial communities; nickel; wastewater; China
Abstract:
... Due to the drawbacks of using fossil fuels and the need to mitigate global warming caused by increasing greenhouse gas emissions, agricultural biomass for bioenergy production is gaining great interest around the world. This work presented a study at a biochemical plant in Lianyungang, Jiangsu Province, China to maximize methane production from cassava distiller wastewater. The plant's annual prod ...
DOI:
10.1016/j.jenvman.2021.114384

29. Two-stage hybrid microalgal electroactive wetland-coupled anaerobic digestion for swine wastewater treatment in South China: Full-scale verification

Author:
Tao Wang; Zhili Ni; Bin Kuang; Lilin Zhou; Xuanhao Chen; Ziyang Lin; Bing Guo; Gefu Zhu; Jianbo Jia
Source:
Science of the total environment 2022 v.820 pp. 153312
ISSN:
0048-9697
Subject:
Azoarcus; Cyanobium; Shewanella; ammonium; anaerobic digestion; biofilm; chemical oxygen demand; economic feasibility; environment; microalgae; nitrates; nitrites; summer; swine; total nitrogen; total phosphorus; wastewater; wastewater treatment; winter; China
Abstract:
... Constructed wetlands have been widely used for organic wastewater treatment owing to low operating costs and simple maintenance. However, there are some disadvantages such as unstable efficiency in winter. In this study, a microalgal electroactive biofilm-constructed wetland was coupled with anaerobic digestion for full-scale treatment of swine wastewater. In a 12-month outdoor trial, the overall ...
DOI:
10.1016/j.scitotenv.2022.153312

30. A review about pretreatment of lignocellulosic biomass in anaerobic digestion: Achievement and challenge in Germany and China

Author:
Yafan Cai; Zehui Zheng; Franziska Schäfer; Walter Stinner; Xufeng Yuan; Hongliang Wang; Zongjun Cui; Xiaofen Wang
Source:
Journal of cleaner production 2021 v.299 pp. 126885
ISSN:
0959-6526
Subject:
anaerobic digestion; biodegradability; biogas; biomass; carbon; cellulose; corn; crystal structure; economic sustainability; energy; lignin content; lignocellulose; pollution; rice straw; slurries; surface area; water solubility; wheat; China; Germany
Abstract:
... Lignocellulosic biomasses (LBs) gradually become the vital substrate for the anaerobic digestion (AD) to produce clean bio-energy. However, the low biodegradability of LBs limits their application in the AD. Pretreatment is an essential step to loosen or break the compact structure of LBs before they are used to the AD. The review comprehensively analyzes the development, application and challenge ...
DOI:
10.1016/j.jclepro.2021.126885

31. Anaerobic digestion and lignocellulosic compositions alteration of industrial vinegar residue after different pretreatments

Author:
Ligong Wang; Jiayu Feng; Fanfan Cai; Jue Wang; Chang Chen; Guangqing Liu
Source:
Environmental technology & innovation 2021 v.24 pp. 101941
ISSN:
2352-1864
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; alkali treatment; anaerobic digestion; biodegradability; byproducts; environmental technology; hydrogen peroxide; landfills; lignin; lignocellulose; methane production; pollution; statistics; vinegars; China
Abstract:
... Vinegar residue (VR) is the dominated by-product associated with the industrial process of vinegar brewing. According to statistics, China’ s annual output of VR is around 3.0 million tons, most of which is disposed by landfill or incineration, causing severe resource waste and environment pollution. Anaerobic digestion (AD) may be a promising approach for the stabilization of VR but the complex l ...
DOI:
10.1016/j.eti.2021.101941

32. Anaerobic digestion: An alternative resource treatment option for food waste in China

Author:
Chenxi Jin; Shiqiang Sun; Dianhai Yang; Weijie Sheng; Yadong Ma; Wenzhi He; Guangming Li
Source:
Science of the total environment 2021 v.779 pp. 146397
ISSN:
0048-9697
Subject:
anaerobic digestion; bibliometric analysis; biorefining; carbon; circular economy; clean energy; environment; food waste; issues and policy; landfills; methane; pollution; China
Abstract:
... With the implementation of zero-waste city and waste classification in China, a large amount of food waste (FW) began to appear in concentration, and there was an urgent requirement for appropriate and efficient treatment technology. Traditional FW disposal methods (landfill and incineration) could cause several environmental problems, so resource recycling has become the main development trend of ...
DOI:
10.1016/j.scitotenv.2021.146397

33. Biogas energy generated from livestock manure in China: Current situation and future trends

Author:
Yuzheng Wang; Yanlong Zhang; Junxin Li; Jih-Gaw Lin; Ning Zhang; Wenzhi Cao
Source:
Journal of environmental management 2021 v.297 pp. 113324
ISSN:
0301-4797
Subject:
anaerobic digestion; animal manures; biogas; carbon footprint; cattle; crop production; energy; energy recovery; gas production (biological); livestock and meat industry; methane production; pollution; poultry; sheep; stakeholders; statistics; sustainable development; swine; transportation; vision; China
Abstract:
... This article investigates the current status of the livestock industry (cattle, pigs, sheep, and poultry) in China and assesses the potential for biogas production from anaerobically digested livestock manure. According to calculation results based on the latest data of livestock released by the National Bureau of Statistics of China in 2018, China produced 2 × 10¹² kg of manure pollution in 2017, ...
DOI:
10.1016/j.jenvman.2021.113324

34. Challenges of anaerobic digestion in China

Author:
Q. Cheng; W. Huang; M. Jiang; C. Xu; G. Fan; J. Yan; B. Chai; Y. Zhang; S. Zhang; B. Xiao; G. Song
Source:
International journal of environmental science and technology 2021 v.18 no.11 pp. 3685-3696
ISSN:
1735-1472
Subject:
ammonia; anaerobic digestion; biogas; gas production (biological); hydrogen sulfide; slurries; temperature; China
Abstract:
... Anaerobic digestion is a widely applicated technology for the treatment of wastes. Though it has been developed for many years, there are still some existing problems that need to be solved especially when it is used in a large scale in China. Substantial researches have been carried out and tried to increase biogas production and treatment efficiency in anaerobic digestion. In this review, the de ...
DOI:
10.1007/s13762-020-03087-z

35. Comparative evaluation on municipal sewage sludge utilization processes for sustainable management in Tibet

Author:
Guanyi Chen; Rui Zhang; Xiang Guo; Wenzhu Wu; Qianqian Guo; Yanbin Zhang; Beibei Yan
Source:
Science of the total environment 2021 v.765 pp. 142676
ISSN:
0048-9697
Subject:
anaerobic digestion; biochar; biofuels; circular economy; energy; environment; gasification; laws and regulations; organic matter; oxygen; pollution; pyrolysis; sewage sludge; value added; waste management; China
Abstract:
... In recent years, a sharp increase in the amount of municipal sewage sludge (MSS) in Tibet has posed serious threats to the fragile ecological environment. Tibetan sludge, with a high content of volatile and low heavy metals, has re-utilization advantages, and thus, the selection of appropriate utilization processes for Tibetan MSS is of great importance. In this study, not only the processes thems ...
DOI:
10.1016/j.scitotenv.2020.142676

36. Comprehensive insights into the organic fractions on solid–liquid separation performance of anaerobic digestates from food waste

Author:
Yang Yu; Panpan Li; Jingxue Zhang; Jie Li; Ran Yu
Source:
Science of the total environment 2021 v.800 pp. 149608
ISSN:
0048-9697
Subject:
anaerobic digestion; dewatering; dissolved organic matter; environment; food waste; waste treatment; China
Abstract:
... Anaerobic digestion (AD) is an effective approach for food waste treatment and valorization. However, AD is limited by proper disposal of the food waste digestates in megacities. The objective of this study was to elucidate the dominant factors on solid-liquid separation performance of the digestates from food wastes. Results indicated that the composition differences in organic fractions showed s ...
DOI:
10.1016/j.scitotenv.2021.149608

37. Constructing and selecting optimal sustainable sanitation system based on expanded structured decision-making for global sanitation and resources crisis

Author:
Ming Hu; Jinyu Xiao; Bin Fan; Wei Sun; Shikun Zhu
Source:
Journal of cleaner production 2021 v.318 pp. 128598
ISSN:
0959-6526
Subject:
anaerobic digestion; biogas; crystallization; gravity; humans; income; infrastructure; magnesium ammonium phosphate; models; multi-criteria decision making; sanitation; China
Abstract:
... Facing with global sanitation and resources crisis, developing and identifying optimal sustainable sanitation system (SSS) is particularly challenging in most of global areas through conventional solution. A novel method by coupling macro-environmental content analysis, compatibility assessment, and multi-criteria decision analysis into structured decision-making is developed and applied to select ...
DOI:
10.1016/j.jclepro.2021.128598

38. Decarbonizing university campuses through the production of biogas from food waste: An LCA analysis

Author:
Hewen Zhou; Qing Yang; Eid Gul; Mengmeng Shi; Jiashuo Li; Minjiao Yang; Haiping Yang; Bin Chen; Haibo Zhao; Yunjun Yan; Güneş Erdoğan; Pietro Bartocci; Francesco Fantozzi
Source:
Renewable energy 2021 v.176 pp. 565-578
ISSN:
0960-1481
Subject:
acidification; anaerobic digestion; biogas; case studies; climate change; electricity; energy; environmental impact; eutrophication; food waste; life cycle assessment; oxidation; photochemistry; waste treatment; China
Abstract:
... The amount of food waste production in China catering industry is approximately 17–18 Mt per year. This sector accounts for about 20% of the total food losses in China. China's National Development and Reform commission has ratified 100 pilot cities in five batches to implement food waste treatment projects. Almost the 80% of these projects is based on anaerobic digestion. So, it is very important ...
DOI:
10.1016/j.renene.2021.05.007

39. Economically feasible production of green methane from vegetable and fruit-rich food waste

Author:
Jaewon Byun; Jeehoon Han
Source:
Energy 2021 v.235 pp. 121397
ISSN:
0360-5442
Subject:
adsorption; anaerobic digestion; economic feasibility; energy recovery; food waste; greenhouse gases; methane; natural gas; pollution; potential energy; sustainable development; transportation; vegetables; China
Abstract:
... Increasing food waste (FW) generation is a major obstacle to achieving sustainable development by emitting greenhouse gas and wasting resources. The conventional FW treatment technologies cause environmental pollution and waste the potential energy of FW. Notably, the production of green methane (CH₄) from FW has been proposed as a promising approach to overcome the environmental challenges associ ...
DOI:
10.1016/j.energy.2021.121397

40. Effect of acclimatized paddy soil microorganisms using swine wastewater on degradation of rice straw

Author:
Jingjing Wang; Leipeng Cao; Yuhuan Liu; Qi Zhang; Roger Ruan; Xuan Luo
Source:
Bioresource technology 2021 v.332 pp. 125039
ISSN:
0960-8524
Subject:
Bacteroidetes; Chloroflexi; Firmicutes; Proteobacteria; acclimation; agricultural wastes; anaerobic digestion; carboxymethylcellulose; fermentation; gas production (biological); lignin; paddy soils; rice straw; swine; total organic carbon; wastewater; China
Abstract:
... Rice straw (RS) is one of abundant agricultural waste for biogas production in China. However, the low carbon-methane conversion rate limits its wide application due to the low degradation rate of RS during fermentation. This study investigated the effect of acclimatized paddy soil microorganisms using swine wastewater on degradation of RS before anaerobic digestion. The total organic carbon, redu ...
DOI:
10.1016/j.biortech.2021.125039

41. Effect of different charged Fe3O4 nanoparticles on methane production for anaerobic digestion of wheat straw

Author:
Yang Liu; Qingbo Xiao; Xiaomei Ye; Chengcheng Wang; Zhaoyan Jia; Jing Du; Xiangping Kong; Yonglan Xi
Source:
Journal of cleaner production 2021 v.328 pp. 129655
ISSN:
0959-6526
Subject:
anaerobic digestion; biogas; clean energy; glass; ligands; metabolism; methane production; organic wastes; voltammetry; wheat straw; China
Abstract:
... Anaerobic digestion (AD) is an effective measure to deal with organic waste, and biogas can be recovered from waste as clean energy. China is mainly an agricultural country, and a large amount of wheat straw is produced every year, which needs to be treated innocuously and resourcefully. In this context, the purpose of this study was to evaluate the effect of exogenous conductive material Fe₃O₄ na ...
DOI:
10.1016/j.jclepro.2021.129655

42. Effects of substrate types on the transformation of heavy metal speciation and bioavailability in an anaerobic digestion system

Author:
Xiarong Zheng; Kuanhuai Wu; Pengju Sun; Siyu Zhouyang; Yuanpeng Wang; Haitao Wang; Yanmei Zheng; Qingbiao Li
Source:
Journal of environmental sciences (China) 2021 v.101 pp. 361-372
ISSN:
1001-0742
Subject:
anaerobic digestion; bioavailability; biogas; cattle manure; chemical speciation; heavy metals; humic acids; pig manure; poultry manure; rice straw; toxicity; China
Abstract:
... Chemical speciation can fundamentally affect the potential toxicity and bioavailability of heavy metals. The transformation of heavy metal speciation and change of bioavailability were investigated in an anaerobic digestion (AD) system using four different substrates (pig manure (PM), cattle manure (CAM), chicken manure (CHM) and rice straw (RS)). The results obtained indicated that the total cont ...
DOI:
10.1016/j.jes.2020.08.032

43. Energy-Positive Removal of Norfloxacin in the Bioelectro Fenton System with Nanoferrite-Based Composite Electrodes

Author:
Ernestine Sefakor Coffie; Liyuan Xie; Muhammad Hassan; Buyin Shi; Ghulam Abbas Ashraf; Bo Zhang
Source:
Energy & fuels 2021 v.35 no.5 pp. 4502-4511
ISSN:
1520-5029
Subject:
Actinobacteria; European Union; Firmicutes; Proteobacteria; X-ray diffraction; X-ray photoelectron spectroscopy; anaerobic digestion; anodes; bioelectricity; energy; inoculum; iron; microbial communities; norfloxacin; pH; pollutants; sludge; transmission electron microscopy; China
Abstract:
... The present work investigated the degradation of norfloxacin (NOR) antibiotics as a model pollutant in the bioelectro-Fenton (BEF) system. The BEF was catalyzed by three types of composite electrodes incorporated with nanoferrites, that is, Fe₃O₄, Fe₃O₄@MoS₂, and CuFe₂O₄ as heterogeneous Fenton catalysts at three pH levels (3, 7, and 9). The synthesized materials were characterized by transmission ...
DOI:
10.1021/acs.energyfuels.0c04170

44. Environmental and economic trade-off-based approaches towards urban household waste and crop straw disposal for biogas power generation project -a case study from China

Author:
Jiuping Xu; Zhiwen Liu; Jingqi Dai
Source:
Journal of cleaner production 2021 v.319 pp. 128620
ISSN:
0959-6526
Subject:
anaerobic digestion; biogas; biomass; carbon; case studies; economic development; energy; environmental protection; gas production (biological); landfills; methane; models; power generation; profitability; raw materials; straw; uncertainty; wastes; China
Abstract:
... Development and utilization of biomass waste for energy, especially urban household waste and crop straw waste, has garnered global attention. To enable the clean recycling of biomass waste, this study designed a biogas power generation project with a single/mixed raw material input, and established a multi-objective dynamic programming model under an uncertain environment to compare the economic ...
DOI:
10.1016/j.jclepro.2021.128620

45. Life-cycle assessment of two food waste disposal processes based on anaerobic digestion in China

Author:
Xionghui Fei; Wenbao Jia; Ting Chen; Yongsheng Ling
Source:
Journal of cleaner production 2021 v.293 pp. 126113
ISSN:
0959-6526
Subject:
acidification; anaerobic digestion; biogas; energy; environmental impact; eutrophication; feedstocks; food waste; heat; industry; life cycle assessment; methane; methanogens; ozone; photochemistry; total solids; waste disposal; waste treatment; China
Abstract:
... In the Chinese food waste disposal industry, the choice between using liquid-phase anaerobic digestion or solid–liquid mixed anaerobic digestion to effectively dispose of food waste has become a recent source of debate. However, no previous studies have compared or assessed the relevant technological parameters of these two processes for the same feedstock. In this study, the two processes were ev ...
DOI:
10.1016/j.jclepro.2021.126113

46. Long-term characterization and resource potential evaluation of the digestate from food waste anaerobic digestion plants

Author:
Ning Wang; Dandan Huang; Chao Zhang; Mingshuai Shao; Qindong Chen; Jianguo Liu; Zhou Deng; Qiyong Xu
Source:
Science of the total environment 2021 v.794 pp. 148785
ISSN:
0048-9697
Subject:
ammonia; anaerobic digestion; biochar; environment; food waste; lignin; organic matter; pyrolysis; sulfur; surface area; temperature; China
Abstract:
... The management of digestate from food waste (DFW) has become a big challenge for anaerobic digestion (AD) plants. It is crucial to understand the characteristics of DFW for its beneficial utilization. This study investigated the long-term characteristics of DFW from an industrial-scale AD plant in China for 16 months. The result showed that the characteristics of the DFW were relatively stable. Th ...
DOI:
10.1016/j.scitotenv.2021.148785

47. Mechanism study of improving anaerobic co-digestion performance of waste activated sludge and food waste by Fe3O4

Author:
Ruilin Zhu; Linyan He; Qianyi Li; TingXuan Huang; Meng Gao; Qin Jiang; Junyan Liu; Anrong Cai; Dezhi Shi; Li Gu; Qiang He
Source:
Journal of environmental management 2021 v.300 pp. 113745
ISSN:
0301-4797
Subject:
acidification; activated sludge; anaerobic digestion; electron transfer; environmental management; food waste; hydrolysis; methane production; methanogens; microbial activity; polysaccharides; China
Abstract:
... A large amount of waste activated sludge (WAS) and food waste (FW) are produced every year in China. Anaerobic co-digestion is considered to be an effective way to solve this problem. This study applied FW/WAS mixture as co-substrate to create different digestive environment, aiming to understand the mechanism of Fe₃O₄ particles in promoting AD performance. The results showed that the addition of ...
DOI:
10.1016/j.jenvman.2021.113745

48. Operational costs and neglect of end-users are the main barriers to improving manure treatment in intensive livestock farms

Author:
Meixiu Tan; Yong Hou; Ling Zhang; Shengli Shi; Weitong Long; Yifei Ma; Tao Zhang; Fan Li; Oene Oenema
Source:
Journal of cleaner production 2021 v.289 pp. 125149
ISSN:
0959-6526
Subject:
agroecosystems; anaerobic digestion; animal manure management; circular economy; composting; cropland; dairy farming; ecosystem services; education; equipment; farmers; farmers' attitudes; farms; government agencies; interviews; markets; monitoring; nitrogen; operating costs; phosphorus; poultry; recycling; separation; subsidies; China
Abstract:
... Improving manure management is essential to actualise a more circular economy in agro-ecosystems. However, the drivers of and barriers to improving manure management and recycling are not well understood. We report farmers’ perceptions of manure management techniques on dairy and poultry farms, with a focus on anaerobic digestion, solid–liquid separation, and composting as common techniques used t ...
DOI:
10.1016/j.jclepro.2020.125149

49. Optimal design of manure management for intensive swine feeding operation: A modeling method based on analytical target cascading

Author:
Jiangong Li; Xinlei Wang; Harrison Hyung Min Kim; Richard S. Gates; Kaiying Wang
Source:
Journal of cleaner production 2021 v.282 pp. 124550
ISSN:
0959-6526
Subject:
anaerobic digestion; case studies; crop management; crop production; design; environment; farms; fermentation; financial economics; information; land; management systems; manure spreading; models; objectives; pig manure; risk; swine; swine production; viability; China
Abstract:
... One of the most significant challenges in existing livestock production is the negative impact of animal waste on the environment. Accumulative manure produced in intensive swine feeding operations (ISFO) cannot be efficiently utilized in a sustainable and economical way. A successful manure management system should maximize the overall economic benefits while satisfying the environmental requirem ...
DOI:
10.1016/j.jclepro.2020.124550

50. Optimized pre-treatment of high strength food waste digestate by high content aluminum-nanocluster based magnetic coagulation

Author:
Tharindu Ritigala; Hailu Demissie; Yanlin Chen; Jiaxi Zheng; Libing Zheng; Jinxing Zhu; Hua Fan; Jiao Li; Dongsheng Wang; Sujithra K. Weragoda; Rohan Weerasooriya; Yuansong Wei
Source:
Journal of environmental sciences (China) 2021 v.104 pp. 430-443
ISSN:
1001-0742
Subject:
anaerobic digestion; chemical oxygen demand; coagulants; coagulation; cost effectiveness; dissolved organic matter; flocculation; fluorescence emission spectroscopy; food waste; hydrophobicity; magnetism; molecular weight; phosphates; phosphorus; polyacrylamide; turbidity; wastewater; China
Abstract:
... Coagulation-based pre-treatment efficiency of high strength digestate of food waste (HSDFW) anaerobic digestion is negated by organic ligand-catalyzed decomposition of coagulants. In this study, an efficient HSDFW pre-treatment method, magnetic seeds (MS) coagulation, was employed by using highly stable Keggin Al₃₀ nanocluster (PAC₃₀), MS and polyacrylamide (PAM), and its operation was optimized b ...
DOI:
10.1016/j.jes.2020.12.027