膜生物反应器去除原水中微量苯酚的研究  

Removal of Trace Phenol in Raw Water by Membrane Bioreactor

作　　者：郝爱玲[1] 陈永玲[1] 顾平[1] 

机构地区：[1]天津大学环境科学与工程学院,天津300072

出　　处：《中国给水排水》2006年第5期102-105,共4页China Water & Wastewater

摘　　要：酚类化舍物普遍存在于生活污水、天然水和饮用水中。采用一体式膜生物反应器（MBR）进行去除微污染湖水中微量苯酚（2～150μg／L）的试验，结果表明：对苯酚的平均去除率为89．01％。连续试验显示，MBR在冬夏两季运行、当进水苯酚浓度分别在11．0μg／L和19．4μg／L以下时，出水苯酚浓度均低于2μg／L，满足饮用水卫生规范的要求。同时采用间歇试验对MBR去除苯酚的机理进行了研究，证实生物作用在苯酚的去除中起主要作用，MBR对苯酚的去除符合一级动力学过程，降解速率常数为0．0642min6-1。Using integrated membrane bioreactor （MBR） can achieve effective removal of trace phenol in micro-polluted lake water. When the concentration of phenol in the raw water is fluctuated between 2 - 150μg/L, averaged removal efficiency reaches 89. 01%. Continuous lab-scale test proves that phenol concentrations in the treated water are all less than 2 μg/L during the two operational periods of MBR, winter and summer, with the raw water concentration below 11.0 and 19.4 μg/L respectively. The results meet the Sanitary Standard for Drinking Water Quality （ 2001 ） issued by the Ministry of Health. At the same time, intermittent tests were carried out to study the phenol removal mechanisms of MBR. It is concluded that biological effects play a major role in phenol removal by MBR. Besides, based on the experimental data,it is found that biodegradation of phenol follows first-order dynamics with a rate constant of 0. 064 2 min^- 1

关 键 词：微污染湖水 膜生物反应器 除酚 

分 类 号：TU991.2[建筑科学—市政工程]