| 生物炭对活性污泥沉降性能和反硝化作用的影响研究 |
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| 引用本文： | 司马小峰,李冰冰,江鸿.生物炭对活性污泥沉降性能和反硝化作用的影响研究[J].化学物理学报,2017,30(3):357-364. |
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| 作者姓名： | 司马小峰 李冰冰 江鸿 |
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| 作者单位： | 中国科学技术大学化学与材料科学学院, 合肥 230026,中国科学技术大学化学与材料科学学院, 合肥 230026,中国科学技术大学化学与材料科学学院, 合肥 230026 |
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| 基金项目： | This work was supported by the National Key Technology R&D Program of the Ministry of Science and Technology (No.2012BAJ08B00),the Key Special Program on the S&T for the Pollution Control,and Treatment of Water Bodies (No.2012ZX07103-001),National 863 Program (No.2012AA063608-01). |
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| 摘 要： |
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| 收稿时间： | 2016/12/20 0:00:00 |
| 修稿时间： | 2017/4/7 0:00:00 |
Influence of Pyrolytic Biochar on Settleability and Denitrification of Activated Sludge Process |
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| Xiao-feng Sim,Bing-bing Li and Hong Jiang.Influence of Pyrolytic Biochar on Settleability and Denitrification of Activated Sludge Process[J].Chinese Journal of Chemical Physics,2017,30(3):357-364. |
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| Authors: | Xiao-feng Sim Bing-bing Li and Hong Jiang |
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| Institution: | Biomass Clean Energy Laboratory, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China,Biomass Clean Energy Laboratory, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China and Biomass Clean Energy Laboratory, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | Biochar is a massively produced by-product of biomass pyrolysis to obtain renewable energy and has not been fully used.Incomplete separation of sludge and effluent and insufficient denitrification of sewage are two of main factors that influence the efficiency of activated sludge process.In this work,we proposed a new utilization of biochar and investigated the effect of biochar addition on the performance of settleability and denitrification of activated sludge.Results show that the addition of biochar can improve the settleability of activated sludge by changing the physicochemical characteristics of sludge (e.g.,flocculating ability,zeta-potential,hydrophobicity,and extracellular polymeric substances constituents).Moreover,the dissolved organic carbon released from biochar obtained at lower pyrolysis temperature can improve the nitrate removal efficiency to a certain extent. |
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| Keywords: | Biochar Activated sludge Settleability Biological denitrification Carbon source |
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