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当前位置:首页 > 建筑/环境 > 工程监理 > 22二羟甲基丁酸废水处理工程实例章鹏宇
2,2-,,(,330031)[]2,2-COD,Formose++Fenton++UASB+,、、。,COD、98%、99.9%,COD≤500mg/L,≤1.0mg/L,。[]2,2-;;Formose;UASB[]X703[]B[]1005-829X(2019)08-0096-04Engineeringexampleof2,2-dimethylolbutanoicacidwastewatertreatmentZhangPengyu,HuangJunyi,ZhuLehui(SchoolofResourcesEnvironmental&ChemicalEngineering,NanchangUniversity,Nanchang330031,China)Abstract:The2,2-dimethylolbutanoicacidwastewaterhasthecharacteristicsofhighCODandhighformaldehydeconcentration.AtreatmentprocessofFormosepolymerization+iron-carbonmicroelectrolysis+Fentonoxidation+coa-gulationprecipitation+UASB+biologicalfilterisusedforwastewatertreatment.Itsprocessselectionbase,processflow,technologicalparametersandrunningefficacyareintroduced.TheresultsshowthattheCODandformaldehyderemovalrateofthetreatmentprocessisover98%and99.9%,respectively.TheCODandformaldehydeofeffluentarelessthan500mg/L,1.0mg/L,respectively,whichcouldmeettheindustrialparkwastewatertreatmentplanttake-overstandard.Keywords:2,2-dimethylolbutanoicacid;formaldehydewastewater;Formoseprocess;UASBNaOH2,2-(DMB)、DMBH2O22,2-(DMBA),DMBA〔1-2〕。,,,,。14000mg/L,,。,,——,。11.1(1)。,,14000mg/L,、。(2)。,;,,,;,,。,,、,COD30000mg/L。(3)。,COD250mg/L,。,。39820198IndustrialWaterTreatmentVol.39No.8Aug.,2019DOI:10.11894/iwt.2018-077496(4)。(200mg/L)、(COD15600mg/L、pH7)、(COD250mg/L)3∶6∶1,,COD12000mg/L,200mg/L。,,;,。1.2100t/d。,,《》(GB8978—1996)4,1。12COD,、,,。,,,,。、、、〔3〕。,、;、;〔4-5〕,(>10000mg/L),。,Formose++Fenton++UASB+BIOFOR。2,,≤200mg/L3;1。1COD,Fenton,—Fenton,3;3。3,PAC、PAM。、UASB、BIOFOR、,,。,,200t/d。1。133.1,。3,16m×4m×5.5m,120m3,HRT48h;23m×4m×5.5m,60m3,HRT48h;310m×8m×5.5m,400m3,HRT96h。2,,,。1、2,2(11),10m3/h,2.5kW。3.2,,。2,2m×2m×2.5m,8m3。,。2,COD/(mg·L-1)/(mg·L-1)pHSS/(mg·L-1)/(t·d-1)9780138432.5—3029000—7—60200~250——100~20010120002005.9—1005001.06~9400—2019-08,39(8),:2,2-972.2kW。pH2~3,1∶1,10g/L;3h。3.3Fenton2Fenton,2m×2m×2.5m,8m3,,2,2.2kW,。pH2~3,30%20mg/L,3h。3.4,。4,2m×2m×2.5m,8m3,1、1、1、1。,;8g/L;pH9;70℃,70℃30min;<200mg/L。3.5UASB、、,、、,COD、BOD5。1,10.4m×7.7m×7.5m,560m3,HRT67h。1、2、1、4、1。HRT24d,COD3~4kg/(m3·d)。,1,20~30℃,,。3.6〔6〕,,COD,。,14,2m×8m×5m,72m3,HRT2.7h。,5mm,3.5m,0.1m,BOD51.5kg/(m3·d),21.46∶1,25L/(m2·s),8L/(m2·s),2(11),5.5kW,1,11kW,1,5.5kW。:10min,、10min。42,,,。2(20d)。22,12100~14300mg/L,101~201mg/L,98.3%~99.2%,。3(90d)COD。20d,20dUASB。3,20dCOD3500mg/L,COD88%;UASBCOD,COD。60d,UASBCOD,COD1000mg/L,COD80%~90%。3UASBCOD2019-08,39(8)984COD。4COD,,COD,40dCOD50%,COD500mg/L,。,60dCOD、2。2COD、2,,COD98%,COD500mg/L,99.9%,1mg/L,。5(1):166.08,74.67,31.3,11.01,11.01,38.09。(2):、,1937.94/d,1937.94÷100≈19.4/t。3。362,2-、,Formose++Fenton++UASB+,,COD、98%、99.9%,,。[1].2,2-[J].,2000,8(18):30.[2],,.2,2-[J].,2007,21(5):6-9.[3],,.[J].,2008,27(6):8-10.[4].[D].:,2013.[5]LotfyHR,RashedIG.Amethodfortreatingwastewatercontainingformaldehyde[J].WaterResearch,2002,36(3):633-637.[6],,,.[J].,2014,34(6):81-83.———————————[](1994—),。:13340011283,E-mail:819256290@qq.com。[]2019-05-20()COD/(mg·L-1)COD/%/(mg·L-1)/%12914229049————12189225——Fenton11597027——2978613964—299271499931256145—10138192544715329182898686289451540.575/(·d-1)1(PAM)30000/t4kg/d1202(PAC)2000/t50kg/d10038000/t60kg/d48049000/t15kg/d135522%H2O22000/t300kg/d60063000/t2kg/d671000/t30kg/d3081000/t2kg/d29(FeSO4·7H2O)1000/t2.28kg/d210(98%Na2HPO4·12H2O)1500/t5kg/d7.5111900/t25kg/d47.5120.65/(kW·h)627.6kW·h407.941937.942019-08,39(8),:2,2-99
本文标题:22二羟甲基丁酸废水处理工程实例章鹏宇
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