甲苯废气的生物膜法净化处理研究  

Study on Purification of Waste Gases Containing Toluene by Using a Bio filter

作　　者：黄若华[1] 孙珮石[1] 杨海燕[1] 陈茂生[1] 

机构地区：[1]昆明理工大学环境工程及化学工程系

出　　处：《环境科学》1996年第3期8-10,共3页Environmental Science

基　　金：国家自然科学基金;云南省应用基础研究基金

摘　　要：采用国内现有微生物菌种挂膜接种的生物膜填料塔净化低浓度有机废气是可行的．初步实验研究结果表明，增加入口气体甲苯浓度和气体流量，同时减小循环液体喷淋量，可使甲苯的生化去除量增大，每Ｌ体积的生物膜填料对甲苯的生化去除量最大可达１５７．１３ｍｇ／ｈ．由实验结果推断，生物膜填料塔对废气中甲苯的净化去除过程属于传质控制过程．对比验证结果表明，本研究建立的动力学模式对实际过程有很好的适用性．rom this study, a fact can be affirmed that in China,it is feasible to purify the waste gas containing organic compounds in low concentration by using the biological trickling filter with bio film packing-material, inoculated with a mixed culture from a biostation of treating wastewater in a coke-oven plant.The results of preliminary experiment showed that with the increasing of the concentration of toluene in in fluent gas and gas flow, and decreasing of the flow of circulating liquid simultaneously,the biochemical elimination of toluene in waste gas can be increased, which can reach 157.13 mg per hour per litre packingmaterial with biofilm in the tower.From the experimental results,it can be inferred that the pro cess of purifying the waste gas containing toluene in low concentration by using the bio filter belongs to mass transfer.By contrast,a good suitability of the kinetic model established in this study for practical process is verified.

关 键 词：甲苯 废气 生化降解 生物膜法 净化处理 

分 类 号：X780.3[环境科学与工程—环境工程]