高盐度采油废水生物处理影响因素_李艳红

环　境　工　程2008年第26卷增刊高盐度采油废水生物处理影响因素＊李艳红　解庆林　王敦球(桂林工学院资源与环境工程系,广西　桂林　541004)摘　要　采用UASB+SBR法处理某海洋油田产生的采油废水。针对该废水难降解和高盐度的特性,探讨总盐度、Cl-浓度、处理负荷、曝气时间等因素对生物处理过程的影响,为工程设计及实际应用提供科学依据。关键词　高盐度采油废水　生物处理　影响因素INFLUENCINGFACTORSONBIOLOGICALTREATMENTOFTHEPETROLEUMPRODUCEDWASTEWATERWITHHIGHSALINITYLiYanhong　XieQinglin　WangDunqiu(DepartmentofResourcesandEnvironmentalEngineering,GiulinUniversityofTechnology　Guilin　541004)Abstract　ThecombinedprocessofUASBandSBRwasusedtotreatthepetroleumproducedwastewaterfromanoceanoilfield.Thewastewaterischaracterizedbyhighsalinity,non-degradableorganicpollutantandcom-plexwaterquality.InfluencingFactorsduringthebiologicaltreatmentprocesssuchastotalsalinity,Cl-,loadingrateandaerationtimewerediscussedwhichwouldsupplyascientificbasisforthedesignandapplica-tionofthepracticalengineering.Keywords　petroleumproducedwastewaterwithhighsalinity　biologicaltreatment　influencingfactors＊广西自然科学基金项目(GK0542007);广西科学研究与技术开发计划项目(桂科转0719005-2-1C)0　引言在石油的开采过程中,采出液经油水分离后产生大量的采出水[1]。采油废水的水质极其复杂,一般