作　　者： ; ;

机构地区： 华南理工大学化学与化工学院

出　　处： 《环境科学》 1999年第5期20-24,共5页

摘　　要： 从一些下水道底泥中筛选分离、驯化得到２株厌氧降解硝基苯高效菌吉氏拟杆菌（Ｂａｃｔｅｒｏｉｄｅｓｄｉｓｔａｓｏｎｉｓ）和屎拟杆菌（Ｂａｃｔｅｒｏｉｄｅｓｍｅｒｄａｅ），能与葡萄糖共代谢还原硝基苯．实验确定了吉氏拟杆菌和屎拟杆菌的最适生长条件为：温度２８～３５℃；ｐＨ６．５～７．２；ＮａＣｌ浓度为０．４％～０．５％．该菌最大降解硝基苯的速率为９５ｍｇ／（Ｌ·ｄ），１ｇ葡萄糖能共代谢还原２００ｍｇ～２６０ｍｇ硝基苯．并对硝基苯厌氧还原成苯胺作出了定性和定量描述。 Two obligate effective anaerobic strains Bacteroides distasonis and Bacteroides merdae which can highly reduce nitrobenzene into aniline by cometabolism with glucose were obtained by enriching, screening and acclimatizing the strains in active sludge got from a pharmaceutical factory. The growing conditions are optimized as follows: pH6575,2835, and NaCl concentration of 04%05%. The maximum degradation rate of nitrobenzene is 95mg(Ld)-1,referring to 200mg260mg of nitrobenzene per gram of glucose. The quantitative and qualitative descriptions concerning with the reduction of nitrobenzene into aniline under anaerobic condition are also presented. In addition, a new anaerobicaerobic process which aims at treating nitrobenzenecontaining wastewater is put forward in this paper.

关 键 词： 硝基苯废水 厌氧降解 共基质 降解菌 生长特性

领　　域： [环境科学与工程] [环境科学与工程]