Nitrobenzene removal from micro-polluted water resource by a submerged MBR and the importance of activated sludge
Nitrobenzene removal from micro-polluted water resource by a submerged MBR and the importance of activated sludge
复制标题
浸没式MBR去除微污染水资源中硝基苯及活性污泥的重要性
DOI：
10.1080/19443994.2015.1044912
复制
发表时间：
2016-05
影响因子：
1.1
通讯作者：
Dong Wen-yi
中科院分区：
文献类型：
--
作者：
Zhang Quan;Sun Fei-yun;Dong Wen-yi
摘要采用一体式膜生物反应器(MBR)处理含硝基苯水源，考察了系统的处理效果，并对其去除途径进行了规范。采用调节MBR中生物量的两种污泥停留时间(2和25d)来评价活性污泥对生物降解途径去除Nb的重要性。从长期的试验来看，活性污泥的有机生物降解和新鲜和/或污染的膜的截留都是去除包括Nb在内的有机物的主要途径。然而，活性污泥对Nb的去除起到了相当重要的作用。当膜生物反应器的固体停留时间从2天延长到25天时，溶解性有机物、氨氮和硝酸盐氮的去除效率显著提高，这主要是由于生物量在主体内的持续积累。特别是Nb的去除效率与生物量呈显著正相关。经过污泥处理后。
AbstractA submerged membrane bioreactor (MBR) employed for nitrobenzene-contain water resource treatment was operated for investigation of system effectiveness and for specification of nitrobenzene (NB) removal pathway. Two sludge retention times (2 and 25 d) that regulated biomass content in MBR were adopted to evaluate the importance of activated sludge for NB removal through biodegradation way. From a long-term examination, both of organic biodegradation by activated sludge and rejection by fresh and/or fouled membrane were the major ways to remove organic matters including NB. However, activated sludge played a rather significant role in NB removal. A lengthening solid retention time form 2 to 25 d in MBR resulted in a significantly improvement of removal efficiency in dissolved organic matters, ammonia-N and NB, due mainly to the continuous accumulation of biomass within bulk. Especially, the NB removal efficiency displayed an apparently positive correlation with the biomass content. After sludge acc...
登录
查看更多内容
影响因子：
12.8
作者：
R. Treguer;R. Tatin;A. Couvert;D. Wolbert;A. Tazi-pain
通讯作者：
R. Treguer;R. Tatin;A. Couvert;D. Wolbert;A. Tazi-pain
影响因子：
11.4
作者：
Agrawal, A;Tratnyek, PG
通讯作者：
Tratnyek, PG
影响因子：
13.6
作者：
X. Bai;Z. Ye;Yan-zhi Qu;Yan-feng Li;Zhongyou Wang
通讯作者：
X. Bai;Z. Ye;Yan-zhi Qu;Yan-feng Li;Zhongyou Wang
影响因子：
5.3
作者：
Miguel Rodriguez;V. Timokhin;F. Michl;S. Contreras;J. Giménez;S. Esplugas
通讯作者：
Miguel Rodriguez;V. Timokhin;F. Michl;S. Contreras;J. Giménez;S. Esplugas
影响因子：
3.2
作者：
Charles C. Somerville;S. Nishino;J. Spain
通讯作者：
Charles C. Somerville;S. Nishino;J. Spain