生物过滤床处理甲苯和乙酸乙酯混合废气

生物过滤床处理甲苯和乙酸乙酯混合废气第53卷第8期2002年8月化工学报JournalofChemicalIndustryandEngineering(China)V01．53№8August2002生物过滤床处理甲苯和乙酸乙酯混合废气刘永慧孙玉梅全燮陈景文薛大明张晓飞(大连理工大学环境科学与工程学院，辽宁大连116012)关键词生物过滤床甲苯乙酸乙酯挥发性有机物中图分类号X511文献标识码A文章编号0438～1157(2002)08—0853—04SIMULTANEoUSBIoFILTRATIoN0lFETHYLACETATEANDTOLUENEINEMISSIONGASLIUYonghui。SUNYumei，QUANXie，elENJingwen，XUEDarningandZHANGXiaofei(SchoolofEnvironmentalScienceandTechnology，DalianUniversityofTechnology，Dalian116012，Liaoning，China)AbstractTwobiofilters，RAwhichhadbeenexposedtovaryingconcentrationofethylacetatefor20daysandRBwhichhadbeenexposedtovaryingconcentrationoftoluenefor20days．wereusedtoremovemixedgasofethylacetateandtoluene．Thetwobiofiltersusedamixtureofcompostandlava，withtheinitialmediummoisturecontentof50％．Theexperimentalresultsdemonstratedseveralcharacteristicsofthetwobiofilters：Themaximumeliminationcapacitieswereabout400g。m一。h一。forethylacetateand50g。m一。h一fortoluene：Undertheconditionthattheemptybedresidencetimewas1．0minute，forethylacetateconcentrationinthein