_石化行业废气中挥发性有机污染物的调查

石化行业废气中挥发性有机污染物的调查*张甜甜1，2柯国洲3陈志平3郑理慎3涂翔1，4，5廖裕芬3林培真2李建军1，4，5(1.广东省微生物研究所，广州510070;2.广州中洲环保科技有限公司，广州511400;3.广东省南方环保生物科技有限公司，广州511400;4.省部共建华南应用微生物国家重点实验室，广州510070;5.广东省菌种保藏与应用重点实验室，广州510070)摘要:为了解石化行业挥发性有机化合物(VOCs)的污染排放特征，选取惠州市石化污水处理厂及树脂生产加工车间释放的废气为调查对象，采用“冷阱富集—GC/MS”技术检测了这两类废气中VOCs的含量与组成。结果表明:石化污水处理厂主要污染物为烷烃、苯系物及烯烃等3类共64种VOCs成分，总浓度为241mg/m3，特征污染物为间/对二甲苯，质量分数为6.4%;树脂生产加工车间中主要污染物为烷烃、苯系物及醛类等3类共27种VOCs成分，总浓度达1235mg/m3，特征污染物为2-乙基-1，3-二氧戊环，质量分数为18.5%。关键词:挥发性有机化合物;石油炼化;污水处理厂;树脂生产车间DOI:10.13205/j．hjgc．201611016INVESTIGATIONOFTHEEMISSIONOFVOLATILEOＲGANICCOMPOUNDSＲELEASEDFＲOMPETＲOCHEMICALINDUSTＲYZHANGTian-tian1，2，KEGuo-zhou3，CHENZhi-ping3，ZHNEGLi-shen3，TUXiang1，4，5，LIAOYu-fen3，LINPei-zhen2，LIJian-jun1，4，5(1.GuangdongInstituteofMicrobiology，Guangzhou510070，China;2.GuangzhouMiddlelandEnvironmentalProtectionTechnologyCo．，Ltd，Guangzhou511400，China;3.GuangdongNanfangEnvironmentalProtectionBio-TechnologyCo．，Ltd，Guangzhou，511400，China;4.StateKeyLaboratoryofAppliedMicrobiology，SouthChina(TheMinistry—ProvinceJointDevelopment)，Guangzhou510070，China;5.GuangdongProvincialKeyLaboratoryofMicrobialCultureCollectionandApplication，Guangzhou510070，China)Abstract:Todiscoverthepropertiesoftheemissionofvolatileorganiccompounds(VOCs)，onepetrochemicalwastewatertreatmentplantandoneresinproductionworkshoplocatedinHuizhou，Guangdongprovicewereinvestigated．ThespeciesofVOCsandtheirconcentrationsweredetectedbygaschromatography-massspectrometry(GC/MS)．Theresultsshowedthatabout64VOCswithtotalconcentrationof241mg/m3weredetectedinwastegasesemittedfromthepetrochemicalwastewatertreatmentplant．Thesecompoundscouldbeclassifiedintoseveralcategoriesincludingalkanes，aromaticcompoundsandolefin．Tolueneandp-xylenewerethetoptwoabundantpollutants，bothcompoundaccountedfor6.4%oftotalVOCs．Comparatively，only27VOCswithtotalconcentrationof1235mg/m3weredetectedpresentinginthewastegasfromtheresinproductionworkshop，andmainlycomprisedofalkanes，aromaticcompoundsandaldehydes．2-ethyl-1，3-dioxolanewasfoundasthemostabundantspecies，whic