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[1]徐宏英,张婵,苏槟楠,等.厌氧颗粒污泥特性对其初期吸附有机污染物性能的影响[J].应用与环境生物学报,2013,19(05):862-867.[doi:10.3724/SP.J.1145.2013.00862]
 XU Hongying**,ZHANG Chan,SU Bingnan& WANG Muhua.Effects of Anaerobic Granular Sludge Characteristics on Initial Adsorption of Organic Pollutants[J].Chinese Journal of Applied & Environmental Biology,2013,19(05):862-867.[doi:10.3724/SP.J.1145.2013.00862]
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厌氧颗粒污泥特性对其初期吸附有机污染物性能的影响()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
19卷
期数:
2013年05期
页码:
862-867
栏目:
研究论文
出版日期:
2013-10-25

文章信息/Info

Title:
Effects of Anaerobic Granular Sludge Characteristics on Initial Adsorption of Organic Pollutants
作者:
徐宏英张婵苏槟楠王慕华
(1太原科技大学环境与安全学院 太原 030024) (2山西省生物研究所 太原 030006)
Author(s):
XU Hongying1** ZHANG Chan1 SU Bingnan2& WANG Muhua2
(1College of Environment and Safety, Taiyuan University of Science and Technology, Taiyuan 030024, China) (2Shanxi Institute of Biology, Taiyuan 030006, China)
关键词:
厌氧颗粒污泥有机污染物生物吸附废水生物处理
Keywords:
anaerobic granular sludge organic pollutants bioadsorption biological treatment of wastewater
分类号:
X703
DOI:
10.3724/SP.J.1145.2013.00862
摘要:
为了解厌氧颗粒污泥对废水中有机污染物的初期吸附性能,进而指导废水有机污染物厌氧生物处理实际工程应用,在实验室条件下,以静态、序批的方法考察了厌氧颗粒污泥作为吸附剂,其本身特性与其初期吸附废水中有机污染物效率之间的关系. 研究结果显示,在实验范围内,厌氧颗粒污泥初期吸附有机污染物的效率与其比表面积和胞外多聚物含量呈正相关性,比表面积从108.2 m2 g-1增加到178.9 m2 g-1时,吸附效率从70.2%提高到76.3%,提高了6.1%,胞外多聚物含量的增加可使其吸附率提高大约6.0%左右;且厌氧颗粒污泥疏水性和Zeta电位的提高也可大幅度地提高其吸附有机污染物的效率,分别可提高8.2%、10.2%;厌氧颗粒污泥吸附有机污染物的效率随其粒径、沉降速度和容积指数的增加呈先升高后下降的抛物变化趋势. 上述结果表明,厌氧颗粒污泥本身特性对其吸附去除废水中有机污染物的效率有显著的影响,因此应注重对厌氧颗粒污泥的培养,使其具有优良的吸附性能,以提高有机废水的厌氧生物处理效率. 图6 参36
Abstract:
The?adsorption?capacity of anaerobic granular sludge is affected in?varying?degrees by its characteristics, thus the efficiency?of anaerobic treatment?of organic pollutants in wastewater is restricted by these characteristics too. This paper studied with a static batch method at the laboratory scale the effect of characteristics of anaerobic granular sludge on initial adsorption of organic pollutants in wastewater. The results showed that the initial organic pollutant adsorption efficiency of anaerobic granular sludge was significantly related with its specific surface area and extracellular polymers. When specific surface area increased to 178.9 m2 g -1 from 108.2 m2 g -1, the adsorption efficiency was increased by 6.1% from 70.2% to 76.3%; the increase of extracellular polymer content raised the adsorption rate by about 6.0%; the increase of hydrophobic and Zeta potential of anaerobic granular sludge could also greatly improve the adsorption efficiency of organic pollutants by 15.6% and 10.2% respectively. The initial organic pollutant adsorption performance presented a parabolic curve with increase of the sludge particle size, settling velocity and sludge volume index of anaerobic granular sludge. The above results indicated significant effect of the characteristics of anaerobic granular sludge itself on its adsorption removal efficiency of organic pollutants in waste water. Therefore, cultivating anaerobic granular sludge with excellent adsorption performance is a key to improving anaerobic biological treatment efficiency of organic wastewater. Fig 6, Ref 31

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备注/Memo

备注/Memo:
收稿日期 Received: 2012-08-10 接受日期 Accepted: 2012-09-25 *国家自然科学基金项目(50578102)和山西省科技攻关项目(2007031177)资助 Supported by the National Natural Science Foundation of China (No. 50578102) and the Science and Technology Tackled Project of Shanxi (No. 2007031177) **通讯作者 Corresponding author (E-mail: xhy6418@126.com)
更新日期/Last Update: 2013-10-28