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1. A comparative study of thermophilic and mesophilic anaerobic co-digestion of food waste and wheat straw: Process stability and microbial community structure shifts

Author:
Shi, Xuchuan; Guo, Xianglin; Zuo, Jiane; Wang, Yajiao; Zhang, Mengyu
Source:
Waste management 2018 v.75 pp. 261-269
ISSN:
0956-053X
Subject:
methane production,   etc   ; Bacteroidetes; Methanosarcina; Thermotogae; anaerobic digesters; anaerobic digestion; bacteria; community structure; energy recovery; food waste; gas production (biological); methanogens; microbial communities; pollution; renewable energy sources; solid wastes; temperature; volatile fatty acids; wheat straw;     Show all 19 Subjects
Abstract:
... Renewable energy recovery from organic solid waste via anaerobic digestion is a promising way to provide sustainable energy supply and eliminate environmental pollution. However, poor efficiency and operational problems hinder its wide application of anaerobic digestion. The effects of two key parameters, i.e. temperature and substrate characteristics on process stability and microbial community s ...
DOI:
10.1016/j.wasman.2018.02.004

2. Anaerobic co-digestion of food waste and landfill leachate in single-phase batch reactors

Author:
Liao, Xiaofeng; Zhu, Shuangyan; Zhong, Delai; Zhu, Jingping; Liao, Li
Source:
Waste management 2014 v.34 pp. 2278-2284
ISSN:
0956-053X
Subject:
methane production,   etc   ; ammonium nitrogen; anaerobic digestion; biogas; fluorescence emission spectroscopy; food waste; landfill leachates; methane; methanogens; microbial growth; nitrogen; pH; ultraviolet-visible spectroscopy; volatile fatty acids; waste management;     Show all 15 Subjects
Abstract:
... In order to investigate the effect of raw leachate on anaerobic digestion of food waste, co-digestions of food waste with raw leachate were carried out. A series of single-phase batch mesophilic (35±1°C) anaerobic digestions were performed at a food waste concentration of 41.8gVS/L. The results showed that inhibition of biogas production by volatile fatty acids (VFA) occurred without raw leachate ...
DOI:
10.1016/j.wasman.2014.06.014

3. Anaerobic co-digestion of vegetable waste and swine wastewater in high-rate horizontal reactors with fixed bed

Author:
Mazareli, Raissa Cristina da Silva; Duda, Rose Maria; Leite, Valderi Duarte; Oliveira, Roberto Alves de
Source:
Waste management 2016 v.52 pp. 112-121
ISSN:
0956-053X
Subject:
methane production,   etc   ; alkalinity; anaerobic digesters; anaerobic digestion; buffering capacity; chemical oxygen demand; coliform bacteria; environmental impact; fermentation; heat tolerance; livestock farming; natural gas; organic matter; plant residues; sustainable technology; swine; volatile fatty acids; waste management; wastewater;     Show all 19 Subjects
Abstract:
... Considering the high waste generation that comes from agriculture and livestock farming, as well as the demand for natural gas, it is necessary to develop sustainable technologies which can reduce environmental impact. There is no available literature on the use of high-rate horizontal anaerobic reactors with fixed bed (HARFB) and continuous feed for the co-digestion of vegetable wastes (VW) and s ...
DOI:
10.1016/j.wasman.2016.03.021

4. Anaerobic digestion of pre-fermented potato peel wastes for methane production

Author:
Liang, Shaobo; McDonald, Armando G.
Source:
Waste management 2015 v.46 pp. 197-200
ISSN:
0956-053X
Subject:
methane production,   etc   ; anaerobic digestion; feedstocks; lactic fermentation; methane; potatoes; volatile fatty acids; waste management; wastes;     Show all 9 Subjects
Abstract:
... This study investigated the feasibility of anaerobic digestion (AD) of potato peel waste (PPW) and its lactic acid fermentation residue (PPW-FR) for methane (CH4) production. The experimental results showed that about 60–70% CH4 content was obtained. The digester using PPW-FR as feedstock exhibited better performance and produced a highest cumulative CH4 production of 273L/kg VSfed, followed by 23 ...
DOI:
10.1016/j.wasman.2015.09.029

5. Bioaugmentation for overloaded anaerobic digestion recovery with acid-tolerant methanogenic enrichment

Author:
Li, Ying; Yang, Gaixiu; Li, Lianhua; Sun, Yongming
Source:
Waste management 2018 v.79 pp. 744-751
ISSN:
0956-053X
Subject:
methane production,   etc   ; acid tolerance; anaerobic digestion; bacteria; bioaugmentation; cell movement; community structure; digestion; energy; genes; metabolism; methanogens; microbial communities; pH; sequence analysis; signal transduction; volatile fatty acids; waste management;     Show all 18 Subjects
Abstract:
... This study aims to investigate the performance of bioaugmentation with an acid-tolerant methanogenic culture to recover deteriorated anaerobic digestion caused by organic overloading. The function of bioaugmentation was evaluated in terms of substance metabolism, microbial community structure, and gene function. Our findings demonstrate that routine bioaugmentation effectively recovered the failin ...
DOI:
10.1016/j.wasman.2018.08.043

6. Biogas production from high solids anaerobic co-digestion of food waste, yard waste and waste activated sludge

Author:
Lee, Eunyoung; Bittencourt, Paula; Casimir, Lensey; Jimenez, Eduardo; Wang, Meng; Zhang, Qiong; Ergas, Sarina J.
Source:
Waste management 2019 v.95 pp. 432-439
ISSN:
0956-053X
Subject:
methane production,   etc   ; acclimation; acidification; activated sludge; alkalinity; anaerobic digestion; bio-organic fertilizer; energy; environmental impact; food waste; gas production (biological); inoculum; leachates; mass transfer; microbial communities; mixing ratio; municipal solid waste; nitrogen; oyster shells; pH; phosphorus; potassium; sodium bicarbonate; volatile fatty acids; waste management; yard wastes;     Show all 26 Subjects
Abstract:
... High-solids anaerobic co-digestion (HS-AcD) has the potential to recover energy and reduce environmental impacts of the organic fraction of municipal solid waste and waste activated sludge. We investigated the impact of substrate to inoculum (S/I) ratios, alkalinity sources (sodium bicarbonate and oyster shells), co-substrate mixing ratios and inoculum acclimation on HS-AcD of food waste, yard was ...
DOI:
10.1016/j.wasman.2019.06.033

7. BMP tests of source selected OFMSW to evaluate anaerobic codigestion with sewage sludge

Author:
Cabbai, Valentina; Ballico, Maurizio; Aneggi, Eleonora; Goi, Daniele
Source:
Waste management 2013 v.33 pp. 1626-1632
ISSN:
0956-053X
Subject:
methane production,   etc   ; anaerobic digestion; carbohydrates; digestion; households; methane; mixing; municipal solid waste; organic wastes; proteins; restaurants; sewage sludge; supermarkets; temperature; volatile fatty acids; waste management;     Show all 16 Subjects
Abstract:
... The aim of this study is to characterize different types of source selected organic fraction of municipal solid waste (SS-OFMSW) in order to optimize the upgrade of a sewage sludge anaerobic digestion unit by codigestion. Various SS-OFMSW samples were collected from canteens, supermarkets, restaurants, households, fruit–vegetable markets and bakery shops. The substrates characterization was carrie ...
DOI:
10.1016/j.wasman.2013.03.020

8. Co-digestion of manure and industrial waste – The effects of trace element addition

Author:
Nordell, Erik; Nilsson, Britt; Nilsson Påledal, Sören; Karisalmi, Kaisa; Moestedt, Jan
Source:
Waste management 2016 v.47 pp. 21-27
ISSN:
0956-053X
Subject:
methane production,   etc   ; anaerobic digestion; biogas; cobalt; dairy animals; feedstocks; industrial wastes; nickel; nutrients; swine; volatile fatty acids; waste management;     Show all 12 Subjects
Abstract:
... Manure is one of the most common substrates for biogas production. Manure from dairy- and swine animals are often considered to stabilize the biogas process by contributing nutrients and trace elements needed for the biogas process. In this study two lab-scale reactors were used to evaluate the effects of trace element addition during co-digestion of manure from swine- and dairy animals with indus ...
DOI:
10.1016/j.wasman.2015.02.032

9. Comparing mesophilic and thermophilic anaerobic digestion of chicken manure: Microbial community dynamics and process resilience

Author:
Niu, Qigui; Takemura, Yasuyuki; Kubota, Kengo; Li, Yu-You
Source:
Waste management 2015 v.43 pp. 114-122
ISSN:
0956-053X
Subject:
methane production,   etc   ; ammonia; ammonium nitrogen; anaerobic digestion; bacteria; bacterial communities; biogas; bioreactors; community structure; correspondence analysis; fermentation; methane; phylogeny; poultry manure; volatile fatty acids; washing; waste management;     Show all 17 Subjects
Abstract:
... While methane fermentation is considered as the most successful bioenergy treatment for chicken manure, the relationship between operational performance and the dynamic transition of archaeal and bacterial communities remains poorly understood. Two continuous stirred-tank reactors were investigated under thermophilic and mesophilic conditions feeding with 10%TS. The tolerance of thermophilic react ...
DOI:
10.1016/j.wasman.2015.05.012

10. Comparison of liquid and dewatered digestate as inoculum for anaerobic digestion of organic solid wastes

Author:
Hosseini Koupaie, E.; Azizi, A.; Bazyar Lakeh, A.A.; Hafez, H.; Elbeshbishy, E.
Source:
Waste management 2019 v.87 pp. 228-236
ISSN:
0956-053X
Subject:
methane production,   etc   ; activated sludge; ammonia; anaerobic digesters; anaerobic digestion; biohydrogen; cattle manure; heavy metals; industrial wastes; inoculum; liquids; methane; organic matter; solid wastes; volatile fatty acids; waste management;     Show all 16 Subjects
Abstract:
... In this study, the application of liquid and dewatered digestate was compared for the inoculation of the anaerobic digestion (AD) process. In addition to the specific methanogenic activity and biohydrogen potential tests, biochemical methane potential assay was also conducted using four different types of municipal and industrial waste streams (primary sludge, thickened waste activated sludge, sou ...
DOI:
10.1016/j.wasman.2019.02.014

11. Effect of Fe0 addition on volatile fatty acids evolution on anaerobic digestion at high organic loading rates

Author:
Kong, Xin; Yu, Shuyao; Xu, Shuang; Fang, Wen; Liu, Jianguo; Li, Huan
Source:
Waste management 2018 v.71 pp. 719-727
ISSN:
0956-053X
Subject:
methane production,   etc   ; Methanosaeta; Methanosarcina; acidification; anaerobic digestion; butyric acid; fermentation; high-throughput nucleotide sequencing; methane; methanogens; municipal solid waste; volatile fatty acids; waste management;     Show all 13 Subjects
Abstract:
... Excessive acidification frequently occurs in the anaerobic digestion of the organic fraction of municipal solid waste (OFMSW) at high organic loading rates (OLR), due to the accumulation of non-acetic volatile fatty acids (VFA). In this study, the performance of Fe⁰ in enhancing various VFA production and metabolism was investigated. The butyric acid concentration in a high OLR reactor with Fe⁰ ad ...
DOI:
10.1016/j.wasman.2017.03.019

12. Effect of initial pH on anaerobic co-digestion of kitchen waste and cow manure

Author:
Zhai, Ningning; Zhang, Tong; Yin, Dongxue; Yang, Gaihe; Wang, Xiaojiao; Ren, Guangxin; Feng, Yongzhong
Source:
Waste management 2015 v.38 pp. 126-131
ISSN:
0956-053X
Subject:
methane production,   etc   ; alkalinity; ammonium nitrogen; anaerobic digestion; cattle manure; equations; fermentation; kitchen waste; pH; volatile fatty acids; waste management;     Show all 11 Subjects
Abstract:
... This study investigated the effects of different initial pH (6.0, 6.5, 7.0, 7.5 and 8.0) and uncontrolled initial pH (CK) on the lab-scale anaerobic co-digestion of kitchen waste (KW) with cow manure (CM). The variations of pH, alkalinity, volatile fatty acids (VFAs) and total ammonia nitrogen (NH4+–N) were analyzed. The modified Gompertz equation was used for selecting the optimal initial pH thro ...
DOI:
10.1016/j.wasman.2014.12.027

13. Effect of inoculum and substrate/inoculum ratio on the performance and methanogenic archaeal community structure in solid state anaerobic co-digestion of tomato residues with dairy manure and corn stover

Author:
Li, Yangyang; Wang, Yanqin; Yu, Zihan; Lu, Jiaxin; Li, Danyang; Wang, Guoying; Li, Yu; Wu, Yue; Li, Shuyan; Xu, Fuqing; Li, Guoxue; Gong, Xiaoyan
Source:
Waste management 2018 v.81 pp. 117-127
ISSN:
0956-053X
Subject:
methane production,   etc   ; Methanobacteriaceae; Methanosaetaceae; activated sludge; ammonium nitrogen; anaerobic digestion; buffering capacity; community structure; corn stover; dairy manure; inoculum; liquids; methanogens; tomatoes; volatile fatty acids; waste management;     Show all 16 Subjects
Abstract:
... Effects of methanogenic community of inoculum (liquid anaerobic digestion effluent (L-AD effluent), waste activated sludge (WAS), and anaerobic granular sludge (AGS)) and substrate/inoculum ratio (S/I) on reactor performance in solid state anaerobic digestion (SS-AD) were investigated. L-AD effluent, which can provide sufficient microbes and enough buffering capacity to the reactor at an S/I ratio ...
DOI:
10.1016/j.wasman.2018.09.042

14. Effects of a gradually increased load of fish waste silage in co-digestion with cow manure on methane production

Author:
Solli, Linn; Bergersen, Ove; Sørheim, Roald; Briseid, Tormod
Source:
Waste management 2014 v.34 pp. 1553-1559
ISSN:
0956-053X
Subject:
methane production,   etc   ; ammonia; anaerobic digestion; biogas; cattle manure; effluents; feedstocks; fish waste; methane; pH; silage; volatile fatty acids; waste management;     Show all 13 Subjects
Abstract:
... This study examined the effects of an increased load of nitrogen-rich organic material on anaerobic digestion and methane production. Co-digestion of fish waste silage (FWS) and cow manure (CM) was studied in two parallel laboratory-scale (8L effective volume) semi-continuous stirred tank reactors (designated R1 and R2). A reactor fed with CM only (R0) was used as control. The reactors were operat ...
DOI:
10.1016/j.wasman.2014.04.011

15. Effects of lipid concentration on anaerobic co-digestion of municipal biomass wastes

Author:
Sun, Yifei; Wang, Dian; Yan, Jiao; Qiao, Wei; Wang, Wei; Zhu, Tianle
Source:
Waste management 2014 v.34 pp. 1025-1034
ISSN:
0956-053X
Subject:
methane production,   etc   ; Brevibacterium; alkalinity; anaerobic digestion; biomass; lipid content; long chain fatty acids; mass transfer; methane; methanogens; pH; sludge; volatile fatty acids; waste management;     Show all 14 Subjects
Abstract:
... The influence of the lipid concentration on the anaerobic co-digestion of municipal biomass waste and waste-activated sludge was assessed by biochemical methane potential (BMP) tests and by bench-scale tests in a mesophilic semi-continuous stirred tank reactor. The effect of increasing the volatile solid (VS) concentration of lipid from 0% to 75% was investigated. BMP tests showed that lipids in m ...
DOI:
10.1016/j.wasman.2013.07.018

16. Energy recovery from one- and two-stage anaerobic digestion of food waste

Author:
De Gioannis, Giorgia; Muntoni, Aldo; Polettini, Alessandra; Pomi, Raffaella; Spiga, Daniela
Source:
Waste management 2017 v.68 pp. 595-602
ISSN:
0956-053X
Subject:
methane production,   etc   ; anaerobic digestion; energy recovery; fermentation; food waste; hydrogen; hydrogen production; hydrolysis; methane; volatile fatty acids;     Show all 10 Subjects
Abstract:
... One- and two-stage anaerobic digestion of food waste aimed at recovering methane (CH4) and hydrogen and methane (H2+CH4), respectively, were compared in order to assess the potential benefits from the two-stage process in terms of overall energy recovery. Results suggest that a two-stage process where the first reactor is properly operated in order to achieve a significant net hydrogen production, ...
DOI:
10.1016/j.wasman.2017.06.013

17. Enhanced methanogenic performance and metabolic pathway of high solid anaerobic digestion of chicken manure by Fe2+ and Ni2+ supplementation

Author:
Bi, Shaojie; Westerholm, Maria; Qiao, Wei; Mahdy, Ahmed; Xiong, Linpeng; Yin, Dongmin; Fan, Run; Dach, Jacek; Dong, Renjie
Source:
Waste management 2019 v.94 pp. 10-17
ISSN:
0956-053X
Subject:
methane production,   etc   ; Methanosarcina; ammonia; ammonium nitrogen; anaerobic digestion; biochemical pathways; bioenergy; iron; methanogens; microbial activity; nickel; nitrogen; poultry manure; volatile fatty acids;     Show all 14 Subjects
Abstract:
... High solid anaerobic digestion (AD) is a promising technology for the treatment of organic waste in terms of efficient bioenergy production and digestate volume reduction. However, the high solid AD of chicken manure has been a challenge due to the inhibition effects caused by high ammonia levels. In this study, the addition of 280 mg/L Fe2+ and 2 mg/L Ni2+ has been proven to enhance the microbial ...
DOI:
10.1016/j.wasman.2019.05.036

18. Influence of feed/inoculum ratios and waste cooking oil content on the mesophilic anaerobic digestion of food waste

Author:
Li, Yangyang; Jin, Yiying; Borrion, Aiduan; Li, Jinhui
Source:
Waste management 2018 v.73 pp. 156-164
ISSN:
0956-053X
Subject:
methane production,   etc   ; acidification; ammonium nitrogen; anaerobic digestion; biogas; cooking fats and oils; digestion; food waste; inoculum; lipid content; long chain fatty acids; pH; valeric acid; volatile fatty acids; waste management;     Show all 15 Subjects
Abstract:
... Information on the anaerobic digestion (AD) of food waste (FW) with different waste cooking oil contents is limited in terms of the effect of the initial substrate concentrations. In this work, batch tests were performed to evaluate the combined effects of waste cooking oil content (33–53%) and feed/inoculum (F/I) ratios (0.5–1.2) on biogas/methane yield, process stability parameters and organics ...
DOI:
10.1016/j.wasman.2017.12.027

19. Influence of reflux ratio on the anaerobic digestion of pig manure in leach beds coupled with continuous stirred tank reactors

Author:
Yang, Jie; Wang, Dehan; Luo, Zifeng; Zeng, Weishen
Source:
Waste management 2019 v.97 pp. 115-122
ISSN:
0956-053X
Subject:
methane production,   etc   ; acetic acid; anaerobic digestion; biogas; leachates; mass transfer; nutrient content; organic matter; pH; pig manure; seedlings; slurries; vegetables; volatile fatty acids; waste management;     Show all 15 Subjects
Abstract:
... The effect of reflux ratio on the anaerobic mono-digestion of pig manure (PM) in leach beds coupled with continuous stirred tank reactors (CSTRs) has been studied in this work, and contents of volatile fatty acids (VFAs) and biogas yields were determined for three groups of leach bed reactor (LBR) – CSTR systems. The obtained results indicated that the reflux of biogas slurry increased both the pH ...
DOI:
10.1016/j.wasman.2019.08.005

20. Influence of thermal hydrolysis pretreatment on physicochemical properties and anaerobic biodegradability of waste activated sludge with different solids content

Author:
Jeong, Seong Yeob; Chang, Soon Woong; Ngo, Huu Hao; Guo, Wenshan; Nghiem, Long D.; Banu, J. Rajesh; Jeon, Byong-Hun; Nguyen, Dinh Duc
Source:
Waste management 2019 v.85 pp. 214-221
ISSN:
0956-053X
Subject:
methane production,   etc   ; activated sludge; ammonium nitrogen; anaerobic digestion; biodegradability; biogas; cell structures; chemical oxygen demand; energy recovery; hot water treatment; methane; pH; solubilization; temperature; total nitrogen; total solids; viscosity; volatile fatty acids;     Show all 18 Subjects
Abstract:
... The influence of thermal hydrolysis pretreatment (THP) on physicochemical properties (pH, total solids, volatile solids, chemical oxygen demand, total nitrogen, ammonium nitrogen, volatile fatty acids, viscosity, and cell morphology) and anaerobic biodegradability of highly concentrated waste activated sludge (WAS) with TS content ranging from 1 to 7% was evaluated at different temperatures rangin ...
DOI:
10.1016/j.wasman.2018.12.026