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You searched for: Journal name Frontiers of environmental science & engineering Remove constraint Journal name: Frontiers of environmental science & engineering Publication year rev 7979-2021 Remove constraint Publication year rev: 7979-2021 Source 2021 v.15 no.6 Remove constraint Source: 2021 v.15 no.6
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1. A Cu-modified active carbon fiber significantly promoted H2S and PH3 simultaneous removal at a low reaction temperature

Author:
Yingwu Wang; Ping Ning; Ruheng Zhao; Kai Li; Chi Wang; Xin Sun; Xin Song; Qiang Lin
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 132
ISSN:
2095-2201
Subject:
activated carbon; carbon fibers; catalysts; catalytic activity; copper; crystal structure; cuprous oxide; dispersibility; environmental science; nitrates; particle size; surface area; temperature
Abstract:
... Poisonous gases, such as H₂S and PH₃, produced by industrial production harm humans and damage the environment. In this study, H₂S and PH₃ were simultaneously removed at low temperature by modified activated carbon fiber (ACF) catalysts. We have considered the active metal type, content, precursor, calcination, and reaction temperature. Experimental results exhibited that ACF could best perform by ...
DOI:
10.1007/s11783-021-1425-3

2. Electro-catalytic activity of CeOx modified graphite felt for carbamazepine degradation via E-peroxone process

Author:
Xinyu Wang; Ye Jin; Weirui Chen; Ruini Zou; Jinxin Xie; Yiming Tang; Xukai Li; Laisheng Li
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 122
ISSN:
2095-2201
Subject:
cathodes; ceric oxide; electron transfer; energy; graphene; hot water treatment; hydrophilicity; mineralization; oxygen; ozone; pH
Abstract:
... E-peroxone (EP) was one of the most attractive AOPs for removing refractory organic compounds from water, but the high energy consumption for in situ generating H₂O₂ and its low reaction efficiency for activating O₃ under acidic conditions made the obstacles for its practical application. In this study, cerium oxide was loaded on the surface of graphite felt (GF) by the hydrothermal method to cons ...
DOI:
10.1007/s11783-021-1410-x

3. Enhancing the adsorption function of biochar by mechanochemical graphitization for organic pollutant removal

Author:
Peidong Su; Xiangyu Gao; Junke Zhang; Ridha Djellabi; Bo Yang; Qi Wu; Zhen Wen
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 130
ISSN:
2095-2201
Subject:
adsorbents; adsorption; agitation; biochar; mechanical methods; mechanochemistry; particle size; pollution control; temperature; water pollution
Abstract:
... Biochar (BC) has been extensively studied as adsorbent for the treatment of water pollution. Despite the distinct advantages, the high calcination temperature and low adsorption capacity of pristine BC limit its practical applications. Most of the former studies focused on the structure and/or surface modification to improve the adsorption capacity of BC. However, the harsh experiment conditions i ...
DOI:
10.1007/s11783-021-1418-2

4. Influence of pore structure on biologically activated carbon performance and biofilm microbial characteristics

Author:
Yuqing Xu; Zedong Lu; Wenjun Sun; Xiaohui Zhang
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 131
ISSN:
2095-2201
Subject:
activated carbon; adsorption; biofilm; biomass; community structure; dissolved organic carbon; environmental science; iodine value; microbial communities; micropores; molecular weight
Abstract:
... Optimizing the characteristics of granular activated carbon (GAC) can improve the performance of biologically activated carbon (BAC) filters, and iodine value has always been the principal index for GAC selection. However, in this study, among three types of GAC treating the same humic acid-contaminated water, one had an iodine value 35% lower than the other two, but the dissolved organic carbon r ...
DOI:
10.1007/s11783-021-1419-1

5. Performance evaluation on the pollution control against wet weather overflow based on on-site coagulation/flocculation in terminal drainage pipes

Author:
Zongqun Chen; Wei Jin; Hailong Yin; Mengqi Han; Zuxin Xu
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 111
ISSN:
2095-2201
Subject:
ammonia; chemical oxygen demand; coagulants; coagulation; drainage; drainage systems; flocculants; flocculation; neutralization; phosphorus; pollutants; pollution control; turbidity
Abstract:
... The pollution caused by wet weather overflow in urban drainage systems is a main factor causing blackening an odorization of urban rivers. The conventional overflow treatment based on coagulation/flocculation in terminal drainage systems requires relatively large space and long retention time demand that makes it not applicable in crowded urban drainage systems or under heavy rains. On-site coagul ...
DOI:
10.1007/s11783-021-1400-z

6. Repercussions of COVID-19 pandemic on solid waste generation and management strategies

Author:
Yangyang Liang; Qingbin Song; Naiqi Wu; Jinhui Li; Yuan Zhong; Wenlei Zeng
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 115
ISSN:
2095-2201
Subject:
COVID-19 infection; food waste; municipal solid waste; pandemic; safety equipment; tourists
Abstract:
... It has been over ten months since the beginning of the 2019 coronavirus disease (COVID-2019), and its impact on solid waste management, especially medical waste, is becoming clearer. This study systematically reviews the potential influences of the COVID-19 pandemic on medical waste, personal protection equipment waste and municipal solid waste (MSW), and discusses the corresponding measures and p ...
DOI:
10.1007/s11783-021-1407-5

7. Bioinspired and biomimetic membranes for water purification and chemical separation: A review

Author:
Elham Abaie; Limeimei Xu; Yue-xiao Shen
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 124
ISSN:
2095-2201
Subject:
aquaporins; biomimetics; environmental science; evolution; industry; permeability; physiological transport; polymers; separation; water purification
Abstract:
... Bioinspired and biomimetic membranes that contain biological transport channels or attain their structural designs from biological systems have been through a remarkable development over the last two decades. They take advantage of the exceptional transport properties of those channels, thus possess both high permeability and selectivity, and have emerged as a promising solution to existing membra ...
DOI:
10.1007/s11783-021-1412-8

8. Copper fractal growth during recycling from waste printed circuit boards by slurry electrolysis

Author:
Jiqin Wang; Xiaoxia Yi; Xiangfei Zeng; Shuyuan Chen; Rui Wang; Jiancheng Shu; Mengjun Chen; Zhengxue Xiao
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 117
ISSN:
2095-2201
Subject:
copper sulfate; electric potential difference; electrolysis; electronic wastes; fractal dimensions; gelatin; hydrochloric acid; models; probability; slurries; sodium dodecyl sulfate
Abstract:
... Superfine copper particles could be directly prepared from waste printed circuit boards by slurry electrolysis. Meanwhile, copper fractal growth could be observed. To better understand this phenomenon, the factors that affect copper dendrites in a point-cathode system were discussed in detail. These results showed that the fractal degree of copper dendrites increased as the increase of applied vol ...
DOI:
10.1007/s11783-021-1405-7

9. Cu/Cr co-stabilization mechanisms in a simulated Al2O3-Fe2O3-Cr2O3-CuO waste system

Author:
Fanling Meng; Yunxue Xia; Jianshuai Zhang; Dong Qiu; Yaozhu Chu; Yuanyuan Tang
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 116
ISSN:
2095-2201
Subject:
chromium; crystal structure; heat treatment; microstructure; slags; temperature
Abstract:
... Chromium slag usually contains various heavy metals, making its safe treatment difficult. Glass-ceramic sintering has been applied to resolve this issue and emerged as an effective method for metal immobilization by incorporating heavy metals into stable crystal structures. Currently, there is limited knowledge about the reaction pathways adopted by multiple heavy metals and the co-stabilization f ...
DOI:
10.1007/s11783-021-1408-4

10. Effect of current density on groundwater arsenite removal performance using air cathode electrocoagulation

Author:
Yanxiao Si; Fang Zhang; Chen Hong; Guanghe Li; Haichuan Zhang; Dun Liu
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 112
ISSN:
2095-2201
Subject:
air; arsenic; arsenites; cathodes; electrocoagulation; energy; energy use and consumption; environmental science; free radicals; groundwater; human health; oxidants; oxidation
Abstract:
... Naturally occurring arsenic enrichment in groundwater poses a huge threat to human health. Air cathode electrocoagulation (ACEC) has recently been proposed to enhance As(III) oxidation and lower energy consumption. In this study, ACEC, EC/O₂ and EC/N₂ were evaluated with different current densities from 1 to 8 mA/cm² to investigate the effect on As(III) removal in different redox environments. Cur ...
DOI:
10.1007/s11783-021-1399-1

11. Effective remediation of organic-metal co-contaminated soil by enhanced electrokinetic-bioremediation process

Author:
Fu Chen; Qi Zhang; Jing Ma; Qianlin Zhu; Yifei Wang; Huagen Liang
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 113
ISSN:
2095-2201
Subject:
citrates; community structure; electric current; electronic wastes; electroosmosis; oxidoreductases; remediation; sodium; toxicity
Abstract:
... This work investigates the influence of electrokinetic-bioremediation (EK-BIO) on remediating soil polluted by persistent organic pollutants (POPs) and heavy metals (mainly Cu, Pb and Ni), originated from electronic waste recycling activity. The results demonstrate that most of POPs and metals were removed from the soil. More than 60% of metals and 90% of POPs in the soil were removed after a 30-d ...
DOI:
10.1007/s11783-021-1401-y

12. Effects of previous drying of sediment on root functional traits and rhizoperformance of emerged macrophytes

Author:
Farasat Ali; Ghulam Jilani; Leilei Bai; Chunliu Wang; Linqi Tian; Helong Jiang
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 134
ISSN:
2095-2201
Subject:
Acorus calamus; Aglaonema commutatum; Alocasia; Canna indica; bulk density; environmental science; macrophytes; nitrogen; oxygen; pH; phosphorus; porosity; redox potential; rhizomes; sediments; surface area
Abstract:
... Purpose of the current study was to investigate the effects of constantly wet and dried-rewetted sediments on root functional traits of emerged macrophytes and their nutrients removal abilities. It is based on the hypothesis that root characteristics and nutrients removal abilities of plants will be altered in the course of sediment desiccation. Four emerged macrophytes including two fibrous-root ...
DOI:
10.1007/s11783-021-1427-1

13. Environmental effects and risk control of antibiotic resistance genes in the organic solid waste aerobic composting system: A review

Author:
Caihong Huang; Zhurui Tang; Beidou Xi; Wenbing Tan; Wei Guo; Weixia Wu; Caiyun Ma
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 127
ISSN:
2095-2201
Subject:
animal manures; antibiotic resistance; antibiotics; fermentation; food waste; microbial communities; risk reduction; sludge; soil; solid wastes; temperature
Abstract:
... Antibiotic resistance genes (ARGs) have been diffusely detected in several kinds of organic solid waste, such as livestock manure, sludge, antibiotic fermentation residues, and food waste, thus attracting great attention. Aerobic composting, which is an effective, harmless treatment method for organic solid waste to promote recycling, has been identified to also aid in ARG reduction. However, the ...
DOI:
10.1007/s11783-021-1415-5

14. Fertilizer drawn forward osmosis as an alternative to 2nd pass seawater reverse osmosis: Estimation of boron removal and energy consumption

Author:
Hailan Wang; Baoyu Gao; Li’an Hou; Ho Kyong Shon; Qinyan Yue; Zhining Wang
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 135
ISSN:
2095-2201
Subject:
boron; desalination; energy; environmental science; fertilizers; freshwater; human health; irrigation; irrigation water; pH; phytotoxicity; reverse osmosis; risk; seawater; solutes; specific energy; temperature
Abstract:
... Agriculture is the largest consumer of freshwater. Desalinated seawater is an important alternative water source for sustainable irrigation. However, some issues of the current desalination technology hinder its use for agriculture irrigation, including low boron removal and high energy consumption. This study systematically explored the feasibility of employing fertilizer drawn forward osmosis (F ...
DOI:
10.1007/s11783-021-1428-0

15. Inhibition character of crotonaldehyde manufacture wastewater on biological acidification

Author:
Tao Liu; Yudong Song; Zhiqiang Shen; Yuexi Zhou
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 119
ISSN:
2095-2201
Subject:
acetate kinase; acetic acid; acidification; adsorption; aldehydes; biodegradation; butyrates; hydrogenation; manufacturing; oxidation; sludge; toxic substances; toxicity; wastewater
Abstract:
... This work aims to investigate the inhibitory effect of crotonaldehyde manufacture wastewater (CMW) on biological acidification. To reveal the inhibitory effect of wastewater to the anaerobic granular sludge (AnGS), variations of the specific acidogenic activity (SAA) and activities of key enzymes were investigated. The results indicated that the dosage of CMW causing a 50% effect concentration (EC ...
DOI:
10.1007/s11783-021-1403-9

16. Insights into simultaneous anammox and denitrification system with short-term pyridine exposure: Process capability, inhibition kinetics and metabolic pathways

Author:
Shuhan Li; Xin Zhou; Xiwei Cao; Jiabo Chen
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 139
ISSN:
2095-2201
Subject:
anaerobic ammonium oxidation; biodegradation; biotransformation; denitrification; denitrifying microorganisms; inhibitory concentration 50; metagenomics; models; nitrogen; pyridines; total nitrogen
Abstract:
... In-depth knowledge on the role of pyridine as a bottleneck restricting the successful application of anammox-based process treating refractory coking wastewater remains unknown. In this study, the effect of short-term pyridine addition on a simultaneous anammox and denitrification (SAD) system fed with 25–150 mg/L pyridine was explored. The short-term operation showed that the highest total nitrog ...
DOI:
10.1007/s11783-021-1433-3

17. Local and regional contributions to PM2.5 in the Beijing 2022 Winter Olympics infrastructure areas during haze episodes

Author:
Yue Wang; Mengshuang Shi; Zhaofeng Lv; Huan Liu; Kebin He
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 140
ISSN:
2095-2201
Subject:
infrastructure; pollution; sports; transportation; troposphere; wind speed; China
Abstract:
... The 2022 Winter Olympics is scheduled to take place in Beijing and Zhangjiakou, which were defined as OIAs (Olympic infrastructure areas) in this study. This study presents the characteristics and source apportionment of PM₂.₅ in the OIAs, China. The entire region of mainland China, except for the OIAs, was divided into 9 source regions, including four regions in the BTH(Beijing-Tianjin-Hebei) reg ...
DOI:
10.1007/s11783-021-1434-2

18. Mechanism insight into the formation of H2S from thiophene pyrolysis: A theoretical study

Author:
Shiguan Yang; Xinrui Fan; Ji Liu; Wei Zhao; Bin Hu; Qiang Lu
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 120
ISSN:
2095-2201
Subject:
carbon; cleavage (chemistry); density functional theory; energy; hydrogen; industrial applications; pyrolysis; rubber; sulfur; thiols; thiophene
Abstract:
... Pyrolysis is an efficient and economical method for the utilization of waste rubber, but the high sulfur content limits its industrial application. Currently, the migration and transformation of the element S during pyrolysis of waste rubber is far from well known. In this work, a density functional theory (DFT) method was employed to explore the possible formation pathways of H₂S and its precurso ...
DOI:
10.1007/s11783-021-1404-8

19. Online recognition of drainage type based on UV-vis spectra and derivative neural network algorithm

Author:
Qiyun Zhu; April Gu; Dan Li; Tianmu Zhang; Lunhong Xiang; Miao He
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 136
ISSN:
2095-2201
Subject:
algorithms; drainage; industrial wastewater; neural networks; pollution control; rain; sewage; signal-to-noise ratio; spectral analysis; turbidity; wastewater treatment; water pollution
Abstract:
... Optimizing sewage collection is important for water pollution control and wastewater treatment plants quality and efficiency improvement. Currently, the urban drainage pipeline network is upgrading to improve its classification and collection ability. However, there is a lack of efficient online monitoring and identification technology. UV-visible absorption spectrum probe is considered as a poten ...
DOI:
10.1007/s11783-021-1430-6

20. Overlooked nitrogen-cycling microorganisms in biological wastewater treatment

Author:
Shaoyi Xu; Xiaolong Wu; Huijie Lu
Source:
Frontiers of environmental science & engineering 2021 v.15 no.6 pp. 133
ISSN:
2095-2201
Subject:
ammonia; anaerobic ammonium oxidation; denitrifying microorganisms; methane; niches; nitrate reduction; nitrites; nitrogen; nitrogen cycle; oxidation; wastewater; wastewater treatment
Abstract:
... Nitrogen-cycling microorganisms play key roles at the intersection of microbiology and wastewater engineering. In addition to the well-studied ammonia oxidizing bacteria, nitrite oxidizing bacteria, heterotrophic denitrifiers, and anammox bacteria, there are some other N-cycling microorganisms that are less abundant but functionally important in wastewater nitrogen removal. These microbes include, ...
DOI:
10.1007/s11783-021-1426-2