生物法与物化法耦合深度处理低碳氮比污水
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- 论文作者：邓时海 ; 李德生 ; 杨雪 ; 朱善斌 ; 邢薇
- 年：2016
- 作者机构：土木建筑工程学院北京交通大学;水中典型污染物控制与水质保障北京市重点实验室;
- 论文关键词：低碳氮(C/N)比污水 ; 复合多孔催化生物载体 ; 生化与物化耦合 ; 深度脱氮 ; 动力学模型
- 会议召开时间：2016-10-14
- 会议录名称：2016中国环境科学学会学术年会论文集（第二卷）
- 语种：中文
- 分类号：X703.1
- 学会代码：HJKP
- 会议名称：中国环境科学学会2016年学术年会
- 会议地点：中国海南海口
- 主办单位：中国环境科学学会
- 学会名称：中国环境科学学会
- 页数：10
- 文件大小：1183k
- 原文格式：O
- 会议级别：全国
摘要
以自制复合多孔催化生物载体为填料,以模拟低C/N比污水为研究对象,在柱状反应器内建立生化/物化耦合脱氮体系,研究了耦合体系中生化/物化耦合机制,系统脱氮效能及影响因素。结果表明,水中氨氮首先通过氨氧化菌和硝化菌的作用生成NO_3~--N和NO_2~--N,进入生物膜内部,生物膜内部的自养反硝化菌以载体的原电池反应所产生的活性离子[Fe~(2+)]和[H]为电子供体实现反硝化脱氮,其最佳运行条件为:DO=3.5mg·L~(-1),HRT=3.5h,进水pH=7.5,此时污水COD_(Cr)、NH_3-N、NO_3~--N、TN浓度由进水的120±3mg·L~(-1)、40±2 mg·L~(-1)、20±1 mg·L~(-1)、60±3 mg·L~(-1)降至8.6~11.1mg·L~(-1)、1.5~3.3 mg·L~(-1)、0.2~1.9 mg·L~(-1)、2.1~5.9mg/L,去除率为去除率分别为92.6~94.3%、90.1~95.3%、90.5~99.0%和90.3~96.5%。表明生化/物化耦合体系可实现低C/N比污水的高效深度脱氮。
引文
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[2]Fenech,C.,Rock,L,Nolan,K.,Tobin,J.,Morrissey,A.,2012.The potential for a suite of isotope and chemical markers to differentiate sources of nitrate contamination;a review.Water Res.46,2023-2041.
[3]AnnMarie Kocher.,Nathan S.Bryan.,Joseph Loscalzo.,2011.Nitrite and Nitrate in Human Health and Disease.Humana Press Inc.
[4]Sutherson S,Ganczarczyk J J.1986.Inhibition of nitrite oxidation during nitrification:some observation.Wat.Poll.Res.J.Can.21(7),257-266.
[5]Kuenen J G.,Roberson L A.,1995.Combined nitrification denitrification process.FEMS Microbial.Ecol.16(3),177-183.
[6]Sayess,Rassil R.,Saikaly,Pascal E.,El-Fadel.,2013.Mutasem.Reactor performance in terms of COD and nitrogen removal and bacterial community structure of a three-stage rotating bioelectrochemical contactor.Water Res.47,881-894.
[7]Tang,Jianshe.,Xiang,Li.,Zhao,Feng.,2013.Kinetic of Nitrate Reduction by Nanoscale Zero-Valent Iron on the Basis of Different Models Estimation.Asian Journal of Chemistry 25,8471-8474.
[8]Yang Huimin.,He Xuwen.,He Yong.,2010.Removal of nitrogen in the micro-polluted water by electrochemical oxidation process.Environmental Chemistry 29,49-495.
[9]Lucija Foglar.,Laszlo Sipos.,Nenad Bolf,2007.Nitrate removal with bacterial cells attached to quartz sand and zeolite from salty wastewaters.World Journal of Microbiology and Biotechnology 6,120-141.
[10]Sinthusith N.,Terada A.,Hahn M.,2015.Identification and quantification of bacteria and archaea responsible for ammonia oxidation in different activated sludge of full-scale wastewater treatment plants.J ENVIRON SCI HEAL A 50(2),169-175.
[11]Takahiro Hosono.,Takahiro Tokunaga.,Makoto Kagabu.,Haruhiko Nakata.,Takanori Orishikida.,In-Tian Lin.,Jun Shimada.,2013.The use ofδ~(15)N andδ~(18)O tracers with an understanding of groundwater flow dynamics for evaluating the origins and attenuation mechanisms of nitrate pollution.Water Res.47,2661-2675.
[12]R.S.RAMALHO,1983.Introduction to Wastewater Treatment Process.ACA-DEMIC PRESS.
[13]Katarzyna B.,Dorota K.,Karol Z.,2015.Glycerine as a carbon source in nitrite removal and sludge production.CHEMICAL ENGINEERING JOURNAL 267,324-331.
[14]Fu B.,Liao X.,Ding L,2010.Characterization of microbial community in an aerobic moving bed biofilm reactor applied for simultaneous nitrification and denitrification.World Journal of Microbiology and biotechnology 26(11),1981-1990.
[15]Li B K.,Irvin S.,2007.The comparison of alkalinity and ORP as indicators for nitrification and denitrification in a sequencing batch reactor.BIOCHEMICAL ENGINEERING JOURNAL 34(3),248-255.
[16]Gang Yan,Xia,Xu,Lirong Yao,2011.Process of inorganic nitrogen transformation and design of kinetics model in the biological aerated filter reactor.Bioresource Technology 102,4628-4632.
[17]Mohammadi,AS.,Movahedian,H.,Nikaeen,M.,2011.Drinking Water Denitrification with Autotrophic-denitrifying Bacteria in a Fluidized Bed Bioreactor(FBBR).Fresenius Environmental Bulletin 20(9A),2427-24368.
[18]Eckenfeider J.W.W.,1961.Biological waste treatment Pergamon Press,New York.