内电解_SMBR组合工艺处理印染废水试验研究_李长洪

环　境　工　程2010年第28卷增刊内电解-SMBR组合工艺处理印染废水试验研究李长洪1　张元玲2(1.天津港保税区管理委员会,天津　300308;2.中国市政工程华北设计研究总院,天津　300074)摘　要:采用“内电解+SMBR”组合工艺处理印染废水,小试结果表明:在全工艺流程下,COD去除率超过93%,氨氮平均去除率可达88%,出水水质达到GB4287-92《纺织染整工业水污染物排放标准》一级标准。关键词:内电解;SMBR;印染废水EXPERIMENTALSTUDYONTREATINGDYEINGWASTEWATERBYCOMBINEDPROCESSOFINTERNALELECTROLYSISANDSMBRLiChanghong1　ZhangYuanling2(1.TianjinPortFreeTradeZoneAdministrationCommittee,Tianjin　300308,China;2.NorthChinaMunicipalEngineeringDesign&ResearchInstitute,Tianjin　300074,China)Abstract:ThecombinedprocessofinternalelectrolysisandSMBRprocesshasbeenusedtotretthedyeingwastewaterintheexperiment.Theexperimentalresultsshowthat:theCODremovalrateofsewageishigherthan93%,andtheaverageammonianitrogenremovalrateisupto88%,theeffluentqualityhasreachedthefirstdischargestandardof“DischargeStandardofWaterPollutantsfromDyeingandFinishingofTextileIn-dustry”(GB4287-92).Keywords:internalelectrolysis;SMBR;dyeingwastewater.　　印染废水具有成分复杂、浓度高、色度高、毒性大和水质变化大等特点,属于难降解废水,尤其是近年来染料分子的化学结构向抗光解、抗生物氧化方向发展,导致染料废