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1232111．1001012．1000803．256300、、、。EGSB。COD50000～70000mg/L、8000～10000mg/LCOD、300、2mg/L。。EGSBTU993B1000－4602201902－0088－04CaseStudyonAcrylicAcidandItsEstersProductionWastewaterTreatmentProjectLIUWei1ZHANGTao2ZHANGAi-dong3GUOZhi-jun2YUJin-quan1WUJing11．BeijingBEEGGoldenSourcesEnvironmentalProtectionDevelopmentCorporationBeijing100101China2．BeijingChinaScienceEnvironmentProtectionCo．Ltd．Beijing100080China3．ShandongKaitaiPetrochemicalAcrylicAcidCo．Ltd．Zibo256300ChinaAbstractAcrylicacidanditsestersproductionwastewaterhadthecharacteristicsofhighconcentrationcomplexcompositionhighsaltcontentmicrobialtoxicityandsoon．ThecombinedprocessofEGSBandaerobictankwasusedinasewagetreatmentplantinShandongProvince．TheresultsofcommissioningandoperationshowedthattheeffluentCODandformaldehydeconcentrationscouldbecontrolledbelow300mg/Land2mg/LrespectivelywhentheinfluentCODandformaldehydeconcentrationswere50000－70000mg/Land8000－10000mg/Lrespectively．Afteralongperiodofdomesticationthemicroorganismwasnotinhibitedobviouslyandtheeffluentwaterqualityindexesmetthetakeoverstandardsofthesewagetreatmentplantintheindustrialpark．KeywordsacrylicacidformaldehydebiologicaltreatmentEGSBaerobictreatment、1。234－11。+、、、12。200～300/m3100～200/m330～50/m313、、。·88·35220191CHINAWATEＲ＆WASTEWATEＲVol．35No．2Jan．20198×104t/a、8×104t/a、2×104t/a。、1。1Tab．1Wastewaterqualityandquantity/m3·d－1pHCOD/mg·L－1/%/%/%/%/%/%3502～4714004．65310．24740．70．0107——11010～1271400—1．2280——0．04380．3301245～6110000—0．9000————1610～126900————0．01000．30001、。1。调节池调配池EGSB反应器曝气池二沉池外排池生产废水达标排放检修废水池检修清洗废水泵泵碱、蒸气、营养盐泵沼气储柜沼气燃烧锅炉蒸汽利用好氧出水回流污泥脱水干化系统污泥浓缩池泵泵干化污泥外运其他废水沼气脱水塔沼气脱硫塔1Fig．1Flowchartofwastewatertreatmentprocess①。540m3。②。1500m372h。③。1000m34．8h。④EGSB。43300m366hCOD≤7000mg/L、COD≤1500mg/L。50m3/h250m3/h。⑤。24400m336hCOD≤1500mg/L、COD≤300mg/L。2000～4000mg/L。⑥。1200m3。、＞4000kg/h。26COD≤300mg/L。COD、COD2。COD去除率/%80000700006000050000400003000020000100000COD、甲醛/（mg·L-1）100.099.599.098.598.097.597.096.596.095.595.020406080100120140160180200运行天数/d进水COD出水COD进水甲醛COD去除率2CODFig．2CODremovaleffectduringcommissioningandoperationofwastewatertreatmentplant30COD3000～6000mg/L500～1000mg/L30～192COD50000～70000mg/L8000～10000mg/L38～4612000～13000mg/L193COD33000～45000mg/L4000～5500mg/L。·98·．cnww1985．com352COD207mg/LCOD＞99．5%COD。2.1EGSBCOD5000～7000mg/LEGSBCOD800～1200mg/LCOD75%～85%。EGSB3。0900080007000600050004000300020001000COD/（mg·L-1）908070605040302010020406080100120140160180200COD去除率/%运行天数/d进水COD出水CODCOD去除率3EGSBFig．3OperatingconditionsofEGSBreactorEGSB0．5kgCOD/m3·d。EGSB2．3～2．8kgCOD/m3·d0．30～0．35kg/m3·d600～800mg/L＜5mg/L。EGSBCOD4。1200１000８00６00４00２００甲醛/（mg·L-1）３.００２.５０2.001.501.000.50020406080100120140160180200ＣＯＤ、甲醛负荷/（kg·m-3·d-1）运行天数/d进水甲醛ＣＯＤ负荷甲醛负荷04EGSBCODFig．4ＲelationshipbetweenCODloadandformaldehydeloadinEGSBreactor2.2100t＞2000mg/LCOD100～300mg/L207mg/L＜2mg/L。5。2500200015001000500COD/（mg·L-1）１００９０８０７０６０５０４０３０２０１００20406080100120140160180200ＣＯＤ去除率/%进水ＣＯＤ出水ＣＯＤＣＯＤ去除率运行天数/d05Fig．5Operatingconditionsofaerationtank350008640m2。、、、。10/m33/m36/m32/m321/m3。、。16800m3/d50%～60%21000～23100kJ/m30．5MPa4150kg/h。4EGSB+COD50000～70000mg/L、8000～10000mg/L、pH5．5～6．5COD、300、2mg/LCOD99．5%。1．D．2003．YuanXiaguang．StudyonCatalystandProcessofWetCatalyticOxidationofAcrylicAcidWastewaterD．BeijingBeijingUniversityofChemicalTechnology2003inChinese．2．J．200619216－21．XuJun．DiscussionontreatmentmethodsofhighconcentrationacrylicacidanditsesterwastewaterJ．Acrylics200619216－21inChinese．3．·09·352．cnww1985．comJ．20072432－6．LiWanhaiHuangJiangliWangHongetal．TreatmentofacrylicacidwastewaterbycatalyticwetoxidationJ．JournalofJilinInstituteofChemicalTechnology20072432－6inChinese．4．EGSBJ．200711283－87．SuBenshengQiaoZhuangmingLiYu．ExperimentalstudyontreatmentofcrylicacidwastewaterbyEGSBJ．ChineseJournalofEnvironmentalEngineering200711283－87inChinese．5．UASBJ．200830594－99．TangXiaoyanMeiKaiLuXietal．TreatmentofhighconcentrationacrylicacidwastewaterbyUASBwithinternalcirculationJ．JournalofNanjingUniversityofTechnology200830594－99inChinese．6．J．201153533－536．ZhengShengzhiSongYudongZhouYuexietal．Pretreatmentofhigh-concentrationacrylicacidwastewaterbyanaerobiccontactreactorJ．ChineseJournalofEnvironmentalEngineering201153533－536inChinese．7．J．20123393167－3171．LiShaZhengShengzhiSongYudongetal．Pretreatmentofhigh-concentrationacrylicacidwastewaterbythemulti-stagemicroaerobicbiologicalfluidizedbedreactorJ．EnvironmentalScience20123393167－3171inChinese．8．UASBJ．2017443119－122．LiSongjieWeiQiangLuXinyueetal．UASBanaerobictreatmentofacidwastewaterJ．GuangdongChemicalIndustry2017443119－122inChinese．9．J．201442520－23．YuTiantianGuoHuiLüＲonghuetal．AdvancesinacrylicacidwastewatertreatmentJ．GuangzhouChemicalIndustry201442520－23inChinese．10．J．2014344352－355．WangJiaLiAnfengPanTaoetal．Treatmentofhigh-concentrationwastewaterinacrylicacidproductionbytwo-phaseanaerobicprocessJ．EnviromentalProtectionofChemicalIndustry2014344352－355inChinese．11．J．201036358－61．LiHaiyanXiaoHuafeiMaLinetal．ProductionofacrylicacidandacrylicesterwastewatertreatmentprojectJ．Water＆WastewaterEngineering201036358－61inChinese．12．J．201226149－50．X