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题名: Comparative Study of Laboratory-Scale Biological Aerated Filters Based on Macroporous Polyurethane and Haydite Carrier Materials
作者: Jia, XN; Zhou, LC; Li, YF(李彦锋); Wang, YL; Yue, YL; Wang, G
收录类别: SCIE ; EI ; BIOSIS
出版日期: 2012-05
刊名: ENVIRONMENTAL ENGINEERING SCIENCE
卷号: 29, 期号:5, 页码:350-356
英文摘要: Two kinds of carrier material, macroporous polyurethane and haydite, were loaded into two identical biological aerated filters (BAFs) to compare the efficiency of their microbial treatment of wastewater containing organic matter and ammonia nitrogen after they had been seeded with the same bacteria. Parameters affecting the removal performance by the BAF process, such as the carbon-to-nitrogen (C/N) ratio, ammonia nitrogen (NH3-N) loading rate, and hydraulic retention time (HRT), were investigated in detail. At different C/N ratios, NH3-N loading rates, and HRTs, the reductions in the overall NH3-N and chemical oxygen demand (CODCr) by the BAF supported by macroporous polyurethane were higher those of the BAF supported by haydite. This result was attributed to the macroporous structure of the polyurethane and its active chemical groups, which are not only suitable for the immobilization of microorganisms but also for the transmission of the substrate and products. Average efficiency of the BAF with macroporous polyurethane in removing total nitrogen was 48.1%, although which was cleared was lower than that of the filter with haydite. Therefore, macroporous polyurethane can be used as the carrier material in BAF bioreactors.
关键词: macroporous polyurethane ; haydite ; carrier ; BAF ; wastewater treatment
作者部门: [Jia, Xiaoning ; Zhou, Lincheng ; Li, Yanfeng ; Wang, Yaolong ; Yue, Yanli] Lanzhou Univ, Coll Chem & Chem Engn, Inst Biochem Engn & Environm Technol, Lanzhou 730000, Peoples R China ; [Jia, Xiaoning ; Zhou, Lincheng ; Li, Yanfeng ; Wang, Yaolong ; Yue, Yanli] Lanzhou Univ, Coll Resources & Environm, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China ; [Wang, Gang] GanSu GoldenBridge Water & Wastewater Design & En, Lanzhou, Peoples R China
通讯作者: Li, YF (reprint author), Lanzhou Univ, Coll Chem & Chem Engn, Inst Biochem Engn & Environm Technol, Lanzhou 730000, Peoples R China.
学科分类: Engineering; Environmental Sciences & Ecology
文章类型: Article
所属项目编号: Sustentation Program of Science and Technology of China [2006BRD01B03] ; Key Research Program of Gansu Province [2GS064-A52-036-02, GS022-A52-082] ; Lanzhou University [LZU200505]
所属项目名称: 中央高校基本科研业务费专项资金 ; 甘肃省科技攻关计划项目
项目资助者: LZU ; GSSTD
语种: 英语
DOI: 10.1089/ees.2011.0284
ISSN号: 1092-8758
WOS记录号: WOS:000303653700008
EI记录号: 20122015019286
BIOSIS记录号: BIOSIS:PREV201200414153
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/126558
Appears in Collections:化学化工学院_期刊论文

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Recommended Citation:
Jia, XN,Zhou, LC,Li, YF,et al. Comparative Study of Laboratory-Scale Biological Aerated Filters Based on Macroporous Polyurethane and Haydite Carrier Materials[J]. ENVIRONMENTAL ENGINEERING SCIENCE,2012,29(5):350-356.
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