沸石生物滴滤器处理分散式生活污水的性能及生物膜特征

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Abstract

Zeolite trickling filter (ZTF) was developed to treat domestic wastewater. Biofilm colonization and the effects of hydraulic loading rate (HLR) on the treatment of domestic wastewater by the ZTF were investigated. In biofilm colonization stage, the influent was set as the "continuous manner", and after 26d, COD and ammonia removal efficiencies reached 85% and 68%, even more, respectively, moreover, relative deviation of the two adjacent test results of COD and ammonia were less than 10% in this period, indicated that the biofilm colonization was success and the ZTF reached a stable operation state. The ZTF exhibited a strong adaptability on the variation of hydraulic loading rate (HLR), and average removal efficiencies of COD, ammonia, TN, TP reached 90.8%, 87.1%, 67.2%, and 90.1%, respectively, when the HLR was adjusted to 300L/(m²·d). In the treatment process by the ZTF, COD, ammonia, and TN could be efficiently removed, and the biological decomposition and biotransformation processes of microorganisms were the most important pathway for pollutants removal, while the adsorption of phosphorous onto the zeolite substrates could explained as the main removal mechanism, in which metal irons oxidized into ferric hydroxides was the key factor for adsorption of phosphorus. Moreover, the bacterial diversity in the ZTF was very rich, which could be proved by the characteristics of biomass and microorganism population distribution

Key words： zeolite trickling filter (ZTF) domestic wastewater hydraulic loading rate (HLR) biofilm

Received: 11 April 2014

PACS:

X703.1

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	Articles by authors
	GUO Jun-yuan
	ZHOU Ming-jie
	GAN Peng-fei
	TAN Xian-dong
	GUO Zi-hao
	FU Lin
	HUANG Wan-yi
	BAI Xue

Cite this article:

GUO Jun-yuan,ZHOU Ming-jie,GAN Peng-fei等. Performance of zeolite trickling filter in treatment of domestic wastewater and characteristics of the biofilm[J]. CHINA ENVIRONMENTAL SCIENCECE, 2016, 36(12): 3601-3609.

URL:

http://manu36.magtech.com.cn/Jweb_zghjkx/EN/ OR http://manu36.magtech.com.cn/Jweb_zghjkx/EN/Y2016/V36/I12/3601

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[22]	Pearce P,Edwards W.A design model for nitrification on structured cross flow plastic media trickling filters[J].Water and Environment Journal,2011,25(2):257-265.
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[25]	窦娜莎,王琳.16SrDNA克隆文库法分析Biostyr曝气生物滤池处理城市污水的细菌多样性研究[J].环境科学学报,2011,31(10):2117-2124.
[26]	Li J Z,Shi S.A Short Review of Wastewater Biological Treatment at Low C/N ratio[J].Advanced Materials Research,2014,955:1490-1494.
[1]	Chen M,Chen J,Du P.An inventory analysis of rural pollution loads in China[J].Wat.Sci.Technol.2006,54(11):65-74.
[2]	Massoud M A,Tarhini A,Nasr J A.Decentralized approaches to wastewater treatment and management:Applicability in developing countries[J].J.Environmental Management,2009,90(1):652-659.
[3]	张后虎,祝栋林.农村生活污水处理技术及太湖流域示范工程案例分析[M].北京:中国环境科学出版社,2011.
[4]	林克明.化粪池出水的土地渗滤处理技术研究[D].上海:上海交通大学,2009.
[5]	魏才倢,吴为中,陶淑,等.多级土壤渗滤系统处理滇池入湖河水的研究[J].中国给水排水,2010,26(9):104-111.
[6]	陈佳利,吴为中,杨春平,等.基于BPOs的多级土壤渗滤系统处理受污染河水的试验研究[J].环境科学学报,2012,32(4):909-915.
[7]	魏才倢,朱擎,吴为中,等.两段式沸石多级土壤渗滤系统强化脱氮试验[J].中国环境科学,2009,29(8):833-838.
[8]	严森,吴为中,杨春平,等.水力负荷及固相碳源对BAF+多级土壤渗滤组合工艺处理污水的影响研究[J].环境科学学报,2012,32(8):1793-1800.
[9]	Luo W,Yang C P,He H J,et al.Novel two-stage vertical flow biofilter system for efficient treatment of decentralized domestic wastewater[J].Ecological Engineering,2014,64:415-423.
[10]	罗伟.沸石层滴滤-多介质土壤层系统处理分散生活污水的研究[D].长沙:湖南大学,2014.
[11]	郭俊元,杨春平,曾龙云,等.回流比水力负荷对前置反硝化生物滤池工艺处理污水的影响研究[J].环境科学学报,2010,30(8):1615-1621.
[12]	GB18918-2002城镇污水处理厂污染物排放标准[S].
[13]	He S,Xue G,Kong H.The performance of BAF using natural zeolite as filter media under conditions of low temperature and ammonium shock load[J].J.Hazardous Materials.2007,143(1):291-295.
[14]	Rao R K,Srinivasan T,Venkateswarlu C.Mathematical and kinetic modeling of biofilm reactor based on ant colony optimization[J].Process Biochemistry,2010,45(6):961-972.
[15]	Sato K,Iwashima N,Wakatsuki T,et al.Quantitative evaluation of treatment processes and mechanisms of organic matter,phosphorus,and nitrogen removal in a multi-soil-layering system[J].Soil Science and Plant Nutrition,2011,57(3):475-486.
[16]	匡颖,董启荣,王鹤立.海绵铁与火山岩填料A/O生物滴滤池脱氮除磷的中试研究[J].水处理技术,2012,38(9):50-53.
[17]	Hu B,Wheatley A,Ishtchenko V.The effect of shock loads on SAF bioreactors for sewage treatment works[J].Chemical Engineering Journal,2011,166(1):73-80.
[18]	Krasnits E,Beliavsky M,Tarre S,et al.PHA based denitrification:municipal wastewater vs.acetate[J].Bioresource Technology.2013,132:28-37.
[19]	Schipper L A,Robertson W D,Gold A J,et al.Denitrifying bioreactors-an approach for reducing nitrate loads to receiving waters[J].Ecological Engineering,2010,36(11):1532-1543.
[20]	Kellogg D Q,Gold A J,Cox S.A geospatial approach for assessing denitrification sinks within lower-order catchments[J].Ecological Engineering,2010,36(11):1596-1606.
[21]	李洋.磁絮凝分离-生物滴滤组合工艺处理小城镇污水研究[D].哈尔滨:哈尔滨工业大学,2014.
[22]	Pearce P,Edwards W.A design model for nitrification on structured cross flow plastic media trickling filters[J].Water and Environment Journal,2011,25(2):257-265.
[23]	郭俊元.前置反硝化生物滤池对低碳氮比污水的脱氮性能研究[D].长沙:湖南大学,2010.
[24]	中国科学院微生物研究所细菌分类组.一般常见细菌鉴定手册[M].北京:科学出版社,2001.
[25]	窦娜莎,王琳.16SrDNA克隆文库法分析Biostyr曝气生物滤池处理城市污水的细菌多样性研究[J].环境科学学报,2011,31(10):2117-2124.
[26]	Li J Z,Shi S.A Short Review of Wastewater Biological Treatment at Low C/N ratio[J].Advanced Materials Research,2014,955:1490-1494.