肉类加工废水处理技术

肉类加工废水处理技术第22卷第6期辽宁工学院学报Vol.22No.62002年12月JOURNALOFLIAONINGINSTITUTEOFTECHNOLOGYDec.2002α文章编号:100521090(2002)0620052202肉类加工废水处理技术张之丹(锦州市环境工程有限公司,辽宁锦州121001)摘要:某肉类加工企业进行废水处理,采用预曝气调节—气浮—生物接触氧化处理工艺,对设计规模为1500m3�d的实际工程运行结果表明,该处理工艺处理出水COD、BOD、SS分别为53mg�L,14.5mg�L,<50mg�L,氨氮4.6mg�L,pH7.41,超过设计指标和国家《污水综合排放标准》(GB8978-1996)一级标准要求。关键词:肉类加工废水;预曝调节;气浮;生物接触氧化中图分类号:X505文献标识码:BTreatmentofWasterfromMeatFoodProcessingZHANGZhi2dan(JinzhouEnvironmentalEngineeringLiabilityCo.Ltd,Jinzhou121001,China)Keywords:presunheatingadjustment;meatfoodprocessing;gasfloatation;biologicalcontactoxidationAbstract:Thetechniqueofpresunheatingadjustment2gasfloatation2biologicalcontactoxidationisappliedinameatfoodprocessingenterprisetotheprocessingwastewaterthereafter.Therealoperationofanengineeringprojectinthescaleof1500m3�dresultedindeliveryofwaterprocessedcontainingCOD,BOD,SSbeingrespectively53mg�L,14.5mg�L<50mg�L,ammonianitrogen,whichexceedsdesignatedtargetandGB8918-1996top2classstandardissuedbyournational《WasteWaterDisc