印染废水高效净化技术研究与示范

●工业给排水●印染废水高效净化技术研究与示范许明涂勇陆嘉昂。刘伟京。喻学敏吴海锁邹敏李京(1江苏省环境科学研究院，南京210036；2江苏省环境工程重点实验室，南京210036；3江苏省环境工程咨询中心，南京210036；4南京市环境监测中心站，南京210013)摘要针对印染废水水质水量变化大、可生化性差、COD和色度去除不稳定和脱氮效率低等问题，采用高效厌氧处理、生物强化处理以及深度处理技术路线，开发了折流式厌氧水解(ABR水解)一A／o(PACT)一深度处理工艺，建立了中试研究基地和示范工程，根据处理规模为2万m0／d的示范工程处理效果，出水CoD、总氮、氨氮、总磷和色度去除率分别为9O．9、78．5、89．2、92．2和91．4，出水水质可稳定达到《太湖地区城镇污水处理厂及重点工业行业主要水污染物排放限值》(DB32／1072-2007)，工程投资为1650元／m。，直接运行费用1．7元／m。。关键词印染废水高效净化折流式厌氧水解A／O(PACT)Studyanddemonstrationofthehigh—efficientprintinganddyeingwastewatertreatmenttechnologiesXuMing，TuYong，LuJiaang，LiuWeijing。，YuXuemin，WuHaisuo，ZouMin，LiJing(j．JiangsuProvincialAcademyofEnvironmentalScience，Naing210036，China；2．JiangsuProvinceKeyLaboratoryofEnvironmentalEngineering，Nanjing210036，China；3．JiangsuProvinceEnvironmentalEngineeringConsultingCenter，Nanjing210036，China；4．NanjingCityEnvironmentalMonitoringCenterStation。Nnnjing210213。China)Abstract：Basedontherapidchangeofwaterquality，poorbiodegradability，unstableremova—bilityofCODandchroma，andlownitrogenremovabilityinprintinganddyeingwastewater，thehigh—efficiencyanaerobictreatment，enhancedbiologicaltreatmentandadvancedwastewatertreat—menttechnicalroutinewereusedinthisstudy．Thebaffledanaerobichydrolysisreactor(ABRhy—drolysis)一A／O(PACT)一advancedwastewatertreatmentprocesswasdevelopedandthepilotre—searchbasementanddemonstrationprojectwerealsosetup．Theoperationresultsofademonstra—tionprojectwith2O000m。／dshowedthattheremova1ratesofCOD。totalnitrogen。ammoniani—trogen，totalphosphorusandchromawere90．9、78．5、89．2、92．2，and91．4，respec—tively．ThequalityofeffluentcouldmeettherequirementsOfDischargestandardofmainwaterpollutantsformunicipalwastewatertreatmentplant&keyindustriesofTaihuatea(DB32／1072-2007)．Theprojectinvestmentwas1650Yuan／m。，thedirectoperationcostwas1．7Yuan／m。．Keywords：Printinganddyeingwastewater；High-efficienttreatment；Baffledanaerobichydrol—ysis；A／O(PACT)国家水体污染控制与治理科技重大专项(2008Z×07101-003，2012ZX07101．003)；江苏省太湖办项目(JSZC．G2013．177)。给水排水Vo1．40No．102014491问题提出我国纺织工业产业在国民经济发展中占有重要的地位。我国棉纱、棉布、呢绒、丝