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25420128POLLUTIONCONTROLTECHNOLOGYVol.25No.4Aug.2012(浙江环耀环境建设有限公司,浙江杭州310000)COD、TN、“--”、A/OABFTCOD94%。A/OABFTX703.1AACasestudyonChemicalWastewaterTreatmentProjectwithHighDifficultyWUZhi-jianSONGXuHUDa-qiangHUMu-zhouLIJiaZhejiangHuanyaoEnviromentConstructionCo.LtdZhejiangHangzhou310000ChinaAbstractInthisstudythewastewaterwithhighconcentrationsofCODCrtotalnitrogenandsaltwastreatedby“Micro-elec-trolysis-catalyticoxidation-Coagulationsedimentation”pretreatmentprocestwostageA/OandspecialnitrogenremovalprocessABFTtheresultsofpracticalapplicationshowedthatCODCrremovalratewasmorethan94%allindicatorsoftheeffluentarelow-erthanthelocalsewagenetworkstandardsprovidinganengineeringexamplefortreatmentofchemicalwastewaterswithhighdiffi-culty.Keywordswastewatertreatmentwithhighdifficultymicro-electrolysiscatalyticoxidationaerobic/anaerobicprocesaera-tionbiologicalfluidizedtankprocess2012-02-072012-07-131985—。、20113t/a“”3000m3/d201110。1/、/、1300m3/d、COD12000mg/L、NH3-N100mg/L、3~4%250m3/d、COD12000~15000mg/L、15000mg/L、TN3000~4000mg/L3300m3/dCOD5000mg/L、NH3-N600~1000mg/L、NH4Cl2000~2500mg/L4530m3/dCOD5000mg/L、NH3-N200mg/L、1~2%5、、1820m3/dCOD≤1000mg/L、NH3-N≤30mg/L。1、、、、、、2、。22.1设计水质、水量·36·.2543000m3/d24h/d11Tab1DesigninfluentqualityandeffluentqualityCOD/mg·L-1BOD5/mg·L-1NH3-N/mg·L-1/mg·L-1/mg·L-1pH/≤6000≤1000≤200≤10000≤2502.0~4.0≤500≤300≤35//6.0~9.02.2废水处理工艺流程1。1Fig.1Flowchartofwastewatertreatmentprocess2.3工艺流程说明、、12311pH3.0~4.0φ80.0×8.0mmHRT2h3kg/tFe2+H2O2Fen-tonOH·HRT3h、、“———”、。pH=8.5~9.5PAM“”22。PAC、PAM、322pH7.0~9.0。、A/O、A/O20128.·37·、、NO-3、NO-2N2NO-3、NO-2。ABFT1ABFT40%~60%ABFT。、、。1、2、3、98%96%80%1。2.4主要构筑物及设计参数1115.0m×4.8m×4.0m266m3HRT=9.8h12HSR-150C、Qs=11.7m3/min、ΔP=53.9kPa、1151。250FSB-20Q=27m3/hH=14m/。2215.0m×4.0m×4.0m222m3HRT=8.5h1。2CP52.2-65Q=22m3/hH=14m/。3320.0m×11.0m×4.0m814m3HRT=10.7h1。2CP55.5-100Q=76m3/hH=12m/。415.0m×5.0m×5.0m175m3HRT=3.5h1.0m3/m2·hφ600mm、pH2.5~3.5。513.8m×1.0m×5.0m17m3HRT=20min1。350FSB-20Q=27m3/hH=14m/pH。6Q235Φ3.0m×H7.0m290m3HRT=1.8h。120tPPR。79.0m×3.8m×5.0m160m3HRT=3.2hFenton。PPR。810.0m×6.2m×5.0m290m3HRT=5.8hpH8.5~9.5、PAM。PPR、PAMpH。925.0m×5.0m×5.0m175m3HRT=3.5hFeOH3、FeOH2COD1.0m3/m2·hΦ600mm。10·38·.2542.0m×4.5m×5.0m40m3HRT=30minPPRPAC、PAM。1134.5m×4.5m×5.0m280m3HRT=3.7hCOD1.0m3/m2·hΦ600mm。1228.8m×4.0m×4.0m130m3HRT=1h。12CP57.5-150Q=125m3/hH=12m/、pH7.0~9.0pH、。1325.0m×13.0m×6.0m1750m3HRT=14h。≤1kgCOD/m3·dMLSS6g/LQJB400/7403kW。1425.0m×9.0m×6.0m1250m3HRT=10h。≤2.5kgCOD/m3·dMLSS10g/LQJB400/7403kW。1525.0m×24.0m×6.0m43500m3HRT=28h≤1kgCOD/m3·dMLSS6g/LBMY-2151800S41-250、Qs=65m3/min、ΔP=68.6kPa、212~3mg/L。16Φ18.0m×H4.0m0.5m3/m2·hHRT4hCG18-C0.75kW3G35-150Q=125m3/hH=7m、。1718.0m×11.0m×5.5m1000m3HRT=8h。≤0.8kgCOD/m3·dMLSS10g/LQJB400/7403kW。1818.0m×14.0m×5.5m21250m3HRT=10h≤1kgCOD/m3·dMLSS6g/LBMY-215600Φ180mm1000m32~3mg/L。G35-150Q=125m3/hH=7m200%。。19Φ18.0m×H4.0m0.5m3/m2·hHRT4hCG18-C0.75kW2G35-150Q=125m3/hH=7m、。20ABFT35.5m×10.5m×5.0m21690m3HRT=13.5h。BMY-215940Q2351360m2850m3950kg。。。2120128.·39·10.0m×8.5m×2.9m210m32CP52.2-80Q=40m3/hH=10mPPR。22Φ10.0m×H4.0m35kg/m2·d18h。CG10-C0.75kW2G60-1Q=16m3/hH=60m520~710r/min2XMY180/1250-UB180m22700L4~6h/d。、1。33.1工程调试2011580%。、、24h、。、、24h。30%N、PpH、COD、NH3-NPO3-4pH=7.5-8.5。、、COD20%60%。、5%~10%3。。pHPAM2PAC、PAM3、、pH、。A/OABFTABFT。。。3.2运行结果2011101090%2。2COD/mg·L-1Tab2Testingdataofassessmentperiod122ABFT/%10.246135585846502852155846136534294.410.256021564245452855153845935733694.410.265956545343692678145544233831994.610.275832539242452573144043932831594.610.285902552442752566148545034633094.410.295933558643042605149545536734694.210.305738527941062506138542933931294.62、。2CODNH3-NNH3-N5mg/L97%。·40·.25448000m218006000/t。15900kWh/d1.57/t210t/d0.008/t330%10t/d98%27%3.54t/dPAC100kg/dPAM6kg/dABFT118kg/d4.90/t④20000.20/t⑤、0.3/t6.364/t。51“--”、A/OABFTCOD、TN、。COD94%5mg/L。2。A/OA/OABFT。3。。1CECS209-2006S2006.2.M.2003140~142檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺檺226~227.(上接第26页)5.J.200625S1345-346.6.J.2000201101-104.7.J.1991274706-714.8.J.2002303366-372.9.M.2001.10.J.201143524-27.11.β-FeOOHJ.200735121656-1660.12.a-Fe2O3J.19908627-629.13.α-FeOOHJ.199492239-243.14.、J.20101981936-1940.15NeclaCaliskanAliRizaKulSalihAlkanEdaGokirmakSogutIhsanAlacabey.AdsorptionofZincIIondiatomiteandmanganese-oxide-modifieddiatomiteAkineticande-quilibriumstudyJ.JournalofHazardousMaterials201119327-36.16ErLiXiangyingZeng.ComparisonofremovalofchromiumIIIfromaqueoussolutionbytwokindsofmodifieddiatomitemanganese-oxide-modifieddiatomiteandicroemulsion-mod-ifieddiatomiteJ.EnvironmentandPollution2010441326-335.17.M.19946.18.J.200927425-27.19WenhuiXiongJianPengYongfengHu.Chemicalanalysisforoptimalsynthesisofferrihydrite-modiWeddiatomiteusingsoftX-rayabsorptionnear-edgestructurespectroscopyJ.PhysChemMinerals200936557-566.20WenhuiXiongJianPeng.Developmentandcharacterizationofferrihydrite-modifieddiatomiteasaphosphorusadsorbentJ.WaterResearch2008424869-4877.21WenhuiXiongJianPengYongfengHu.Anon-destructivetechniquetoanalyzeSicontentinevaluationofporeblockageofferrihydrite-modifieddiatomiteusingXANESand
本文标题:高难度化工废水处理工程实例
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