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| 1 | A scientometric review of biochar research in the past 20 years(1998-2018)显示文摘Biochar is the carbon-rich product obtained from the thermochemical conversion of biomass under oxygen-limited conditions.Biochar has attained extensive attention due to its agronomical and environmental benefits in agro-ecosystems.This work adopts the scientometric analysis method to assess the development trends of biochar research based on the literature data retrieved from the Web of Science over the period of 1998-2018.By analysing the basic characteristics of 6934 publications,we found that the number of publications grew rapidly since 2010.Based on a keyword analysis,it is concluded that scholars have had a fundamental recognition of biochar and preliminarily found that biochar application had agronomic and environmental benefits during the period of 1998-2010.The clustering results of keywords in documents published during 2011-2015 showed that the main research hotspots were“biochar production”,“biochar and global climate change”,“soil quality and plant growth”,“organic pollutants removal”,and“heavy metals immobilization”.While in 2016-2018,beside these five main research hotspots,“biochar and composting”topic had also received greater attention,indicating that biochar utilization in organic solid waste composting is the current research hotspot.Moreover,updated reactors(e.g.,microwave reactor,fixed-bed reactor,screw-feeding reactor,bubbling fluidized bed reactor,etc.)or technologies(e.g.,solar pyrolysis,Thermo-Catalytic Reforming process,liquefaction technology,etc.)applied for efficient energy production and modified biochar for environmental remediation have been extensively studied recently.The findings may help the new researchers to seize the research frontier in the biochar field. | Ping Wu Syed Tahir Ata-Ul-Karim Bhupinder Pal Singh Hailong Wang Tongliang Wu Cun Liu Guodong Fang Dongmei Zhou Yujun Wang Wenfu Chen | 2019 | Biochar2019，1，1： | 36 |
| 2 | 牛粪堆肥中添加抑菌剂对大肠杆菌的杀灭效果(英文)显示文摘[Objective] The aim of this study was to explore the sterilization effects on Escherichia coli by adding bacterial inhibitor(CaCN2)during the process of cattle manure composting so as to provide a theoretical basis for cattle manure harmless treatment.[Method] Both experimental groups supplemented with 2.0% bacterial inhibitor and control groups without bacterial inhibitor were cultured under different temperatures(20,30,37,50,60 ℃)to determine the optimal composing temperature.Under 30 ℃,different bacterial inhibitor doses(0,2.0%,2.5%,3.0%)were added into the compost to obtain the optimal bacterial inhibitor addition dose.[Result] 30,50 and 60 ℃ were ideal temperatures for sterilization of E.coli.Under 30 ℃,E.coli couldn't be detected in 2.5% dose group and 3.0% dose group after culture for 48 h,demonstrating no less than 2.5% bacterial inhibitor should be added.[Conclusion] It has an important significance to enhance the sterilization effects on E.coli by adding CaCN2 into cattle manure compost especially in winter. | 敖日格乐 王纯洁 于俊娥 斯木吉德 吴美云 程佳 陈昆 | 2008 | Agricultural Science & Technology2008，9，6： | 20 |
| 3 | Utilization and management of organic wastes in Chinese agriculture:Past,present and perspectives显示文摘 | Rmheld V. Roelcke M. | 2005 | Science China(Life Sciences)2005，48，z2： | 12 |
| 4 | Turnover and loss of nitrogenous compounds during composting of food wastes显示文摘Few people have so far explored into the research of the dynamics of various nitrogenous compounds(including water-soluble nitrogen)in composting of food wastes.This study aimed to investigate the solid-phase nitrogen,water-soluble nitrogen,nitrogen loss together with ammonia volatilization in the process of food wastes composting.A laboratory scale static aerobic reactor in the experiment was employed in the composting process of a synthetic food waste,in which sawdust was used as the litter amendment.In the experiment,oxygen was supplied by continuous forced ventilation for 15 days.The results have shown that the concentrations of total nitrogen and organic nitrogen decrease significantly in the composting process,whereasNH_(4)^(+)-N concentration increases together with little fluctuation in NO_(3)^(-)-N.After composting,the total content of the water-soluble nitrogen compounds in the compost greatly increased,the total nitrogen loss amounted to 50% of the initial nitrogen,mainly attributed to ammonia volatilization.56.7% of the total ammonia volatilization occurred in the middle and late composting of the thermophilic stage.This suggested that the control at the middle and late composting of thermophilic stage is the key to nitrogen loss in the food waste compost. | Yanmei YANG Xiangfeng ZHANG Zhifeng YANG Beidou XI Hongliang LIU | 2008 | Frontiers of Environmental Science & Engineering2008，2，2： | 8 |
| 5 | Bamboo charcoal enhances cellulase and urease activities during chicken manure composting:Roles of the bacterial community and metabolic functions显示文摘Microbial enzymes are crucial for material biotransformation during the composting process.In this study,we investigated the effects of adding bamboo charcoal(BC)(i.e.,at 5%,10%,and 20%corresponding to BC5,BC10,and BC20,respectively)on the enzyme activity levels during chicken manure composting.The results showed that BC10 could increase the cellulose and urease activities by 56%and 96%,respectively.The bacterial community structure in BC10 differed from those in the other treatments,and Luteivirga,Lactobacillus,Paenalcaligenes,Ulvibacter,Bacillus,Facklamia,Pelagibacterium,Sporosarcina,Cellvibrio,and Corynebacterium had the most important roles in composting.Compared with other treatments,BC10 significantly enhanced the average rates of degradation of carbohydrates(Dxylose(40%)andα-D-lactose(44%))and amino acids(L-arginine(16%),L-asparagine(14%),and L-threonine(52%)).We also explored the associations among the bacterial community and their metabolic functions with the changes in the activities of enzymes.Network analysis demonstrated that BC10 altered the co-occurrence patterns of the bacterial communities,where Ulvibacter and class Bacilli were the keystone bacterial taxa with high capacities for degrading carbon source,and they were related to increases in the activities of cellulase and urease,respectively.The results obtained in this study may help to further enhance the efficiency of composting. | Yanan Yin Chao Yang Jingrui Tang Jie Gu Haichao Li Manli Duan Xiaochang Wang Rong Chen | 2021 | Journal of Environmental Sciences2021，33，10： | 4 |
| 6 | Nitrogen transformations during pig manure composting显示文摘Composting is now suggested as one of the environmentally and friendly alternative method for disposal of solid organic wastes, as it leads to minimization, stabilization, and utilization of organic waste. Transformations of nitrogen were investigated in co composting of pig manure with different amendments, such as sawdust and leaves. Samples were analyzed for pH, total N, soluble NH 4 N, soluble NO 3 N and soluble organic N. The total N increased after 63 days of composting, as well as the soluble NO 3 N and soluble organic N. Soluble NH 4 N increased significantly and showed peak values at day 7, thereafter decreased sharply and gradually to lower levels. Seed germination index (GI) showed that co composting of pig manure with sawdust reached maturity after 49 days of composting, while co composting of pig manure with sawdust and leaves required shorter time for 35 days. Soluble NH 4 N was significantly negatively ( P <0.05), while soluble NO 3 N and soluble organic N were significantly positively ( P <0.05), correlated with seed germination index (GI). Addition of leaves in co composting of pig manure with sawdust had no significant impacts on nitrogen transformations, but it was beneficial for maturity of pig manure compost. | HUANG Guo-feng WU Qi-tang LI Fang-bai WONG J.W.C | 2001 | Journal of Environmental Sciences2001，13，4： | 2 |
| 7 | Contribution of redox-active properties of compost-derived humic substances in hematite bioreduction显示文摘The compost-derived humic substances(HS)can function as electron mediators for promoting hematite bioreduction because of its redox capacity.Humification process can affect redox capacities of compost-derived HS by changing its intrinsic structure.However,the redox properties of compost-derived HS link-ing with hematite bioreduction during composting still remain unclear.Herein,we investigated the redox capacities of compost-derived HS,and assessed the responses of the redox capacities to the hematite bioreduction.The result showed that compost-derived HS(i.e.,humic acids(HA)and fulvic acids(FA))were able to accept electrons from Shewanella oneidensis MR-1,and the electron accepting capacity was increased during composting.Furthermore,it could be functioned as electron mediators for promoting the hematite bioreduction,achieving 1.19-2.15 times compared with the control experience.Not only the aromatic structures(quinone)but also the non-quinone structures such as nitrogen-and sulfur-containing functional moieties were served as the redox-active functional groups of compost-derived HS.Our work proved that the aromatic functional groups and the heteroatom structures(especially N)were important to the hematite bioreduction.This study highlights the redox-active properties of compost-derived HS and its impact on the microbial reduction of iron mineral.Redox capacity of compost-derived HS might mitigate the environmental risk of contaminants when the composting production was added into the contaminated soils as low-cost repair materials. | Chao Yang Lin-Xiao Hou Bei-Dou Xi Li-An Hou Xiao-Song He | 2022 | Chinese Chemical Letters2022，33，5： | 2 |
| 8 | Microbial community dynamics during composting of animal manures contaminated with arsenic,copper,and oxytetracycline显示文摘Effects of the heavy metal copper(Cu), the metalloid arsenic(As), and the antibiotic oxytetracycline(OTC) on bacterial community structure and diversity during cow and pig manure composting were investigated. Eight treatments were applied, four to each manure type, namely cow manure with:(1) no additives(control),(2) addition of heavy metal and metalloid,(3) addition of OTC and(4) addition of OTC with heavy metal and metalloid;and pig manure with:(5) no additives(control),(6) addition of heavy metal and metalloid,(7) addition of OTC and(8) addition of OTC with heavy metal and metalloid. After 35 days of composting, according to the alpha diversity indices, the combination treatment(OTC with heavy metal and metalloid) in pig manure was less harmful to microbial diversity than the control or heavy metal and metalloid treatments. In cow manure, the treatment with heavy metal and metalloid was the most harmful to the microbial community, followed by the combination and OTC treatments. The OTC and combination treatments had negative effects on the relative abundance of microbes in cow manure composts. The dominant phyla in both manure composts included Actinobacteria, Bacteroidetes, Firmicutes, and Proteobacteria. The microbial diversity relative abundance transformation was dependent on the composting time. Redundancy analysis(RDA) revealed that environmental parameters had the most influence on the bacterial communities. In conclusion, the composting process is the most sustainable technology for reducing heavy metal and metalloid impacts and antibiotic contamination in cow and pig manure. The physicochemical property variations in the manures had a significant effect on the microbial community during the composting process. This study provides an improved understanding of bacterial community composition and its changes during the composting process. | Ebrahim SHEHATA CHENG Deng-miao MA Qian-qian LI Yan-li LIU Yuan-wang FENG Yao JI Zhen-yu LI Zhao-jun | 2021 | Journal of Integrative Agriculture2021，20，6： | 2 |
| 9 | Characterization and variation of dissolved organic matter in composting: a critical review显示文摘As the most motive organic fraction in composting,dissolved organic matter(DOM)can contribute to the transfer and dispersal of pollutants and facilitate the global carbon cycle in aquatic ecosystems.However,it is still unclear how composting approaches and conditions influence the properties of compost-derived DOM.Further details on the shift of DOM character indexes are required.In this study,the change in properties of compost-derived DOM at different composting approaches and the effect of composting conditions on the DOM characteristics are summarized.Thereafter,the change in DOM character indexes’in composting was comprehensively reviewed.Along with composting,the elements and spectral properties(chromophoric DOM(CDOM)and fluorescent DOM(FDOM))were altered,size and hydrophobicity increased,and aromatic-C and electron transfer capacity were promoted.Finally,some prospects to improve this study were put forward.This paper should facilitate the people who have an interest in tracing the fate of DOM in composting. | Yanghui Xiong | 2023 | Frontiers of Environmental Science & Engineering2023，17，5： | 2 |
| 10 | Bioreduction of hexavalent chromium:Effect of compost-derived humic acids and hematite显示文摘Composting can enhance the nutrie nt ele ments cycling and reduce carbon dioxide production.However,little information is available regarding the application of compost for the remediation of the contaminated soil.In this study,we assess the response of the redox capacities(electron accepting capacities(EAC)and electron donating capacities(EDC))of compost-derived humic acids(HAs)to the bioreduction of hexavalent chromium(Cr(Ⅵ)),especially in presence of hematite.The result showed that the compost-derived HAs played an important role in the bioreduction of Cr(Ⅵ)in presence and absence of hematite under the anoxic,neutral(pH 7)and motionless conditions.Based on the pseudo-first order kinetic model,the rate constants of Cr(Ⅵ)reduction increased by 1.36-2.0 times when compost-derived HAs was added.The redox capacity originating from the polysaccharide structure of compost-derived HAs made them effective in the direct Cr(Ⅵ)reduction(without MR-1)at pH 7.Meanwhile,the reduction rates were inversely proportional to the composting treatment time.When iron mineral(Fe_(2)O_(3))and compost-derived HAs were both present,the rate constants of Cr(Ⅵ)reduction increased by 2.35-5.09,which were higher than the rate of Cr(Ⅵ)reduction in HA-only systems,indicating that the hematite played a crucial role in the bioreduction process of Cr(Ⅵ).EAC and quinonoid structures played a major role in enhancing the bioreduction of Cr(Ⅵ)when iron mineral and compost-derived HAs coexisted in the system.The results can extend the application fields of compost and will provide a new insight for the remediation of Cr(Ⅵ)-contaminated soil. | Chao Yang Ming-Xia Zheng Yuan Zhang Bei-Dou Xi Zai-Feng Tian Xiao-Song He | 2020 | Chinese Chemical Letters2020，31，10： | 1 |
| 11 | Heavy metals and community structure of microorganism changes during livestock manure composting with inoculation of effective microorganisms显示文摘Effective microorganisms(EM)is usually used in composting to improve the composting process.However,the effect of EM on heavy metals evolution was still unclear.This study was performed to illustrate the microbial community changes that occur during composting with the addition of EM and to determine the evolution of heavy metal speciation during this process.The requirement of harmlessness for pig manure was met after the addition of EM at a dosage of 0.5%,with a germination index of 96.42%.The bacterial and fungal diversity were both found to decrease during the composting process.Additionally,the bioavailability of Cu and Pb decreased significantly during composting.Significant correlations were observed between the microbial composition and the percentage of different heavy metals fractions;however,the mechanism responsible for this correlation requires further investigation.This study has the potential to contribute to control of heavy metal contamination during the process of recycling pig manure through the controlled addition of EM. | Haibin Zhou Yujun Shen Ran Li Haibo Meng Xi Zhang Jian Wang Hongsheng Cheng Shanshan Dong Liqiu Song Jingtao Ding Qiongyi Cheng | 2020 | International Journal of Agricultural and Biological Engineering2020，13，6： | 1 |
| 12 | The impacts of oxytetracycline on humification during manure composting can be alleviated by adjusting initial moisture contents as illustrated by NMR显示文摘Oxytetracycline(OTC)residues have been found in soil and water,and they may pose potential risks to agricultural ecological environments.One of the most impactful ways for OTC to enter the soil and water environments is through excrement used as organic fertilizer.Therefore,it is important to remove OTC during manure composting and to understand the transformation of the organic materials during composting in the presence of OTC.In the present paper,chicken manure and wheat sawdust spiked with OTC were composted under different initial moisture contents(MC)to evaluate the degradation of OTC and changes of organic matter during the composting process.The MC has a significant effect on OTC degradation during composting.A higher MC of 65% was more conducive to OTC degradation(77.4%)and compost maturity compared to the lower MC.However,the higher MC of 65%could increase the ammonia volatilization by promoting nitrification compared to the lower MC.An increase in the initial MC could improve the composting temperature.NMR results illustrated that the presence of OTC could affect the internal transformation of aliphatics,and OTC inhibited compost humification.Thus,an initial MC of 55–65% can alleviate the impacts of OTC on humification during manure composting. | FENG Yao WANG Gui-zhen LIU Yuan-wang CHENG Deng-miao FAN Shuang-hu ZHAO Quansheng Jianming XUE ZHANG Shu-qing LI Zhao-jun | 2021 | Journal of Integrative Agriculture2021，20，8： | 1 |
| 13 | Core fungal species strengthen microbial cooperation in a food-waste composting process显示文摘In ecosystem engineering research,the contribution of microbial cooperation to ecosystem function has been emphasized.Fungi are one of the predominant decomposers in composting,but thus far,less attention has been given to fungal than to bacterial cooperation.Therefore,network and cohesion analyses were combined to reveal the correlation between fungal cooperation and organic matter(OM)degradation in ten composting piles.Positive cohesion,reflecting the cooperation degree,was positively linked to the degradation rate of OM.From the community perspective,core species(i.e.,Candida tropicalis,Issatchenkia orientails,Kazachstania exigua,and Dipodascus australiensis)with high occurrence frequency and abundance were the key in regulating positive cohesion.These species were highly relevant to functional genera associated with OM degradation in both fungal and bacterial domains.Therefore,focusing on these core fungal species might be an appropriate strategy for targeted regulation of functional microbes and promotion of degradation rates. | Yuxiang Zhao Jingjie Cai Pan Zhang Weizhen Qin Yicheng Lou Zishu Liu Baolan Hu | 2022 | Environmental Science and Ecotechnology2022，，4： | 0 |
| 14 | Comparative study on passive aerated in-vessel composting of food wastes with the addition of Sabah ragi显示文摘The aims of this study are to determine the effect of Sabah ragi on food waste and dry leaves composting as well as to compare the composting performance from a previous study that had no addition of Sabah ragi.The composting process was conducted using an in-vessel passive aerated bioreactor with turning every 3 days for 40 days.Based on the physiochemical analysis,the stability and maturity of the compost were evaluated.Parameters such as temperature,total organic carbon,moisture content,pH,conductivity,and C/N were monitored.During the composting process,the highest temperature of 54.2℃ and the highest heat generation rate per initial mass of compost dry matter of 4098 kJ kg^(-1) day^(-1) was achieved on day 7.Furthermore,when compared to previous studies,this study achieved a faster thermophilic phase(≥45℃),a longer thermophilic period(4 days),and a higher cumulative temperature.Elementary kinetic analysis was performed based on the TOC profile and evaluated using coefficient correlation(R^(2)).In this study,application of the second-order model resulted in good responses.Low pathogen levels and higher nitrogen content were detected in the final compost,while some of the nutrients were not in the recommended range.An estimated ragi cost of RM 1.22 was required for every 1 kg of compost with a selling price of RM 6.00/kg of compost. | Mohd Al Mussa Ugak Abu Zahrim Yaser Junidah Lamaming Ernest Kelly Subin Mariani Rajin Sariah Saalah Farrah Wong Hock Tze Sariah Abang | 2022 | Carbon Resources Conversion2022，5，3： | 0 |
| 15 | Study on Using Biological Sludge from Vinh Loc Industrial Park to Produce Composting Product显示文摘In order to examine the optimal design and operating parameters in composting of waste activated sludge,a series of experiments were conducted to discuss the optimal operating parameters for aerobic composting of waste activated sludge obtained from Vinh Loc Industrial Park that is located in Ho Chi Minh City.The study was done by optimizing the ratios of sludge/inactive fillers and sludge/microbial products to improve the composting efficiency.After 50 days of composting,the composts of all experiment batches met the microorganism-organic fertilizer standards of 10 TCN 526:2002.The study indicated that the highest efficiency decomposition was obtained at the ratio of a sludge/inactive fillers of 1/0.1 and sludge/microbial products of 1/0.05:TOC(Total Organic Carbon)reduced by 20.2%,loss of Nitrogen was trivial(0.53%),the highest temperature reached at 55.5 oC and lasting for 5 days which ensures elimination of pathogens.However,the addition of nitrogen compounds during the composting is necessary to ensure the compost product can meet the nitrogen standard of microorganism-organic fertilizer. | Ton That Lang Nguyen Thi Mai Thao Pham Vu Nhat Uyen Dang Anh Tuan | 2018 | Journal of Environmental Science and Engineering(A)2018，7，5： | 0 |
| 16 | Composting of Disposal Organic Wastes: Resource Recovery for Agricultural Sustainability显示文摘One of the major problems of agricultural soils in the tropical regions of the Pacific is the low organic matter content.Because of the hot and humid environment,the soil organic matter(SOM)is minimal due to rapid decomposition.Composted organic material is being applied on agricultural fields as an amendment to provide nutrients and enhance the organic matter content for improving the physical and chemical properties of the cultivated soils.In addition land application of composted material as a fertilizer source effectively disposes of wastes that otherwise are buried in landfills.In our soil program at the University of Guam,we are evaluating the use of organic material as an alternative to synthetic fertilizers.Its goal is to develop management strategies and use available resources for improving crop production while conserving resources and preserving environmental quality.Our case study project is designed to improve soil fertility status by using composted organic wastes and assessing how the nitrogen and other essential nutrients contribute to long-term soil fertility and crop productivity without application of synthetic fertilizers.In our pilot project,compost is produced from wood chips,grinded typhoon debris mixed with animal manure,fish feed,shredded paper and other organic wastes.Mature compost is then applied on the field at the rates of 0,5,10 and 20 t/ha as a soil amendment on the eroded cobbly soils of southern Guam.Corn is planted and monitored for growth performance and yield.The effect of land application of composted material on the SOM content and overall soil quality indices are being evaluated in this pilot study. | Mohammad H.Golabi Peggy Denney Clancy Iyekar | 2006 | 过程工程学报2006，6，4： | 0 |
| 17 | Improving Compost Process Efficiency by Leachates Inoculation and Shredding of the Organic Fraction of Municipal Solid Waste at Bordo Poniente Composting Plant,Mexico City显示文摘Management of MSW(Municipal Solid Waste)is a major downside in most of the biggest cities.The composting of the organic fraction of MSW is one of the oldest and simplest ways of organic waste stabilization.It is a self-heating biological conversion that generates appropriate finished merchandise such as soil conditioner or fertilizers.Mexico City generates about 12,500 ton/day of MSW,44%of it is food scraps and yard trimmings which are the OFMSW(Organic Fraction of Municipal Solid Waste),2,500 ton/day of it is composted at the BPCP(Bordo Poniente Composting Plant)yielding 500 ton/day of compost.The purpose of this study was to evaluate three treatments to accelerate the composting process,so eventually the city could increase the amount of the OFMSW at BPCP.We compared three different treatments;one of them showed a significant reduction in time of the composting process(p≤0.05)i.e.,it took less time to reach the thermophilic stage,maturity and stabilization phases.Maturity was achieved at 35 days and 60 days to stabilize.We conclude that shredding the feedstock plus leachate inoculum addition at the beginning of the process,reduces the composting time in about 61%with respect to the time it takes at the BPCP,where lasted 90 days. | Francisco Javier Barrón-Santos Ma.Eugenia Gutiérrez-Castillo Luis Raúl Tovar-Gálvez Ma.Teresa Núñez-Cardona Ricardo Estrada-Núñez Claudia Rodríguez Tapia Alfonso Espitia-Cabrera | 2021 | Journal of Environmental Science and Engineering(A)2021，10，5： | 0 |
| 18 | Effect of inoculation during different phases of agricultural waste composting on spectroscopic characteristics of humic acid显示文摘The white-rot fungus, Phanerochaete chrysosporium(P. chrysosporium), was inoculated during different phases of agricultural waste composting and its effect on the spectroscopic characterization of humic acid(HA) was studied. Three runs were used in this study: Run A was the control without inoculating, and Runs B and C were inoculated P. chrysosporium during the first and the second fermentation phase, respectively. The elemental analysis, ultra-violet spectroscopy(UV), fluorescence spectra, Fourier transform infra-red(FTIR) and 13 C nuclear magnetic resonance(13C-NMR) of HA all lead to the same conclusion, that is, the degree of aromatization and polymerization of HA increases after 42 days composting. However, the inoculation during different phases presents different effects. P. chrysosporium increases the degree of aromatization and polymerization of HA when it is inoculated during the second fermentation phase, while it does not produce an obvious change on the humification degree of HA when it is inoculated during the first fermentation phase. | 黄红丽 曾光明 罗琳 张嘉超 喻曼 秦普丰 | 2015 | Journal of Central South University2015，22，11： | 0 |
| 19 | An approach for selection of solid waste treatment and disposal methods based on fuzzy analytical hierarchy process显示文摘Solid waste management is a severe challenge in India due to massive and rapid growth in waste generation rates,environmental difficulties,and financial constraints for proper treatment.Poorly managed municipal solid waste(MSW)has substantial negative consequences for society,including financial and aesthetic harm,contamination of natural resources,environmental pollution,and severe health danger.Both qualitative and quantitative factors are required to select the appropriate solid waste treatment and disposal technologies.Multi-Criteria decision-making tools helped in analyzing solid waste in terms of qualitative and quantitative factors.In this paper,seven criteria and their sub-criteria are selected for ranking solid waste treatment and disposal technology using fuzzy-analytic hierarchy process.The results showed that composting is the most suitable option for solid waste treatment and disposal technology,followed by refuse-derived fuel.The incineration and sanitary landfills are the least preferred MSW management alternatives.The sensitivity analysis reveals a high consistency,robustness,and stability level. | Amarjeet Kumar Atul Sharma Nekram Rawal | 2022 | Waste Disposal and Sustainable Energy2022，4，4： | 0 |
| 20 | Assessment of two faecal sludge treatment plants in urban areas:Case study in Beijing显示文摘Every day,human beings produce excreta all over the world,and the sludge that accumulates in waste disposal systems is referred to as the‘faecal sludge(FS)’.FS can cause serious environmental pollution in urban areas if it cannot be disposed of properly.A complete FS management system must include onsite sanitation technologies,FS collection and transport,a treatment plant,and resource recovery or disposal of the treatment end-products.Focusing on the treatment and reuse/disposal step of a FS complete service chain,this research presents two cases of FS treatment in Beijing.In Case 1,FS biogas plant adopts anaerobic digestion(AD)to treat FS,and the digestate can be used as biofertilizer in the surrounding greenhouse.In Case 2,several technologies including solid-liquid separation,dewatering,pyrolysis,AD and co-composting are integrated to find innovative solutions for FS treatment.A comprehensive assessment including the aspects of technology,economy and environment is conducted for further SWOT(Strengths,Weaknesses,Opportunities and Threats)analysis.Then,critical strategies are developed,which include(1)selecting project site for optimized transportation,maximum waste reuse,minimum environmental impact and convenient final effluent disposal;(2)planning technical options at a feasible study stage,considering resource recovery,secondary pollution prevention and fire protection;(3)exploring market channels for by-products sale to increase profitability;(4)guaranteeing engineering quality and service life for the purpose of sustainable operation;(5)minimizing health risks to persons exposed to the untreated FS;and(6)providing necessary training for hygiene protection.The cases in Beijing can provide valuable lessons for urban areas in developing countries and the strategies can provide a reference for stakeholders and decision-makers who intend to develop FS treatment projects. | Cheng Shikun Zheng Lei Zhao Mingyue Bai Xue Li Zifu Heinz-Peter Mang | 2017 | International Journal of Agricultural and Biological Engineering2017，10，3： | 0 |
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