国内煤气化废水处理关键问题分析郑彭生

“”。“”。。。、、。、3。。。1、。400～2700mg/LCOD300～1000mg/L≤10mg/L≤30mg/L[1]。COD200～300mg/LB/C=0.6～0.6510～20mg/L≤5mg/L≤20mg/L。、、2900～8450mg/L、1500～4250mg/LCOD13500～70000mg/LB/C=0.15～0.253500～10000mg/L[2-3]。、、。。、。2、、。2.1311201、、。、、、、、、、。X784A1000-3770(2018)[e-mail]44320183Vol.44No.3Mar.,2018DOI:10.16796/j.cnki.1000-3770.2018.03.00417、、、[4-5]。、、、[6]。、、。[7]。2.2、。[8-9]。→、→→、→3[10-12]。、、、、60%～88%[13]。、。、、[14]。3、A/O、A2/O、SBR、、MBR、[15]。3.1、A/O+A/O+[16]。[17]。[18-19]。3.2、、、、COD[20-25]。、[26]。[27-28]。4、、、、。GB8978－1996、。、。4.1、、[29-32]。、44318。。、[33-35]。4.2。[36-39]。4.3、、。RO70%RO90%RORO[40]。UFROROCa2+、Mg2+UFRORO。HEROpHRO。、。、、、。、90%[41]。[42]。51、、、3、、、。2、、、、。3、、。[1],,,.[J].,2016,41(5):1266-1272.[2],,,.[J].,2017,23(1):86-90.[3],,,.[J].,2016,35(6):1884-1893.[4],,.[J].,2015,25(3):270-273.[5],.-[J].,2016,10(3):1310-1316.[6],,,.[J].,2016,36(1):115-118.[7],,,.[J].,2016,42(1):83-86.[8],,,.[J].,2013,41(3):63-66.[9].[J].,2015,35(12):145-148.[10]CUIPeizhe,MAIZihao,YANGSiyu,etal.Integratedtreatmentprocessesforcoal-gasificationwastewaterwithhighconcentrationofphenolandammonia[J].CleanerProduction,2017,142:2218-2226.[11]GAIHengjun,SONGHongbing,XIAOMeng,etal.Conceptualdesignofamodifiedphenolandammoniarecoveryprocessforthetreatmentofcoalgasificationwastewater[J].ChemicalEngineering,2016,304:621-628.[12],,,.[J].,2017,23(1):91-94.[13].[J].,2014,40(1):54-57.[14],,,.19[J].(),2017,33(1):22-27.[15],,,.A/A/O[J].,2014,34(5):1249-1255.[16],,,.---MBR[J].,2016,10(10):5665-5670.[17],,,.-[J].,2014,40(7):89-93.[18]SALMATabassum,JIQinhong,SUFIAHena,etal.TreatmentofcoalgasificationwastewaterbyanaerobicSBR-aerobicSBRprocessforeliminationoftoxicorganicmatters-alabscalestudy[J].RSCAdvances,2015,5:58334-58344.[19]WANGZixing,XUXiaochen,GONGZheng,etal.RemovalofCOD,phenolsandammoniumfromLurgicoalgasificationwastewaterusingA2O-MBRsystem[J].HazardousMaterials,2012,235-236:78-84.[20]RAVAE,CHIRWAE.Effectofcarrierfillratioonbiofilmpropertiesandperformanceofahybridfixed-filmbioreactortreatingcoalgasificationwastewaterfortheremovalofCOD,phenolsandammonia-nitrogen[J].WaterScience&Technology,2016,73(10):2461-2467.[21],,.[J].,2014,39(S2):550-554.[22]KIMSang-sik.Effectivepartialnitrificationanddenitrificationvianitritewithinhibitorremovalbasinforhighstrengthammoniumwastewatertreatment[J].KoreanJournalofChemicalEngineering,2015,32(2):303-307.[23]RAVAL,EChirwa1,ALLISIONP,etal.RemovalofhardCOD,nitrogenouscompoundsandphenolsfromahigh-strengthcoalgasificationwastewaterstream[J].WaterSA,2015,41(4):441-447.[24]RAVALE,CHIRWALE,ALLISIONP,etal.Theuseofexogenousmicrobialspeciestoenhancetheperformanceofahybridfixed-filmbioreactortreatingcoalgasificationwastewatertomeetdischargerequirements[J].WaterSA,2016,42(3):483-489.[25]JIAShengyong,HANHongjun,ZHUANGHaifeng,etal.Thepollutantsremovalandbacterialcommunitydynamicsrelationshipwithinafull-scaleBritishGas/Lurgicoalgasificationwastewatertreatmentusinganovelsystem[J].BioresourceTechnology,2016,200:103-110.[26],,,.EGSB-[J].,2014,34(2):55-59.[27],,,.[J].,2015,47(8):30-37.[28],,,.[J].,2016,37(3):1055-1060.[29],,,.[J].,2014,34(7):67-69.[30],,,.[J].,2013,7(1):263-267.[31],,.[J].,2017,49(2):85-91.[32],,,.-[J].,2015,38(6P):241-245.[33],,,.[J].,2013,35(5):13-18.[34],,,.[J].,2013,39(2):112-115.[35],,,.[J].,2014,40(12):110-114.[36],,,.[J].(),2015,34(12):1361-1364.[37],,,.[J].,2016,38(1):19-22.[38],,,.[J].,2016,42(3):54-57.[39]ANHongguang,LIUZhenqiang,CAOXiaoxin,etal.Mesoporouslignite-cokeasaneffectiveadsorbentforcoalgasificationwastewatertreatment[J].EnvironmentalScience,2017,3:169-174.[40],.[J].,2014,38(1):43-48.[41],,,.[J].,2014,34(11):140-143.[42],,.[J].,2014,33(1):30-35.KeyProblemAnalysisofInternalCoalGasificationWastewaterTreatmentZHENGPengsheng,GUOZhongquan（HangzhouEnvironmentalProtectionResearchInstituteofChinaCoalTechnology&EngineeringGroup,Hangzhou311201,China）Abstract:Accordingtothewaterqualitycharacteristicsandtreatmentrequirementsofcoalgasificationwastewater,thetechnicalsituationandkeyproblemsofcoalgasificationwastewatertreatmentweresummarizedfromthreeaspectsincludingpretreatment,biologicaltreatmentandadvancedtreatment.Theanalysisshowedthat,thecoalgasificationwastewaterhadcomplexcomposition,greatfluctuationofwaterquality,muchbiologicalinhibitorandhighconcentrationofammonianitrogenandrefractoryorganics.Thekeyproblemsintreatmentprocessincludedefficientremovalofammonianitrogenandpolyatomicphenol,operatingcostreductionofadvancedoxidation,increasingofwaterrecoveryrate,membranefoulingcontrolandbrineevaporationinmembraneseparationprocess.Theexistingproblemsshouldbesolvedwithmulti-technologyrecombinationandoptimizationofeachtreatmentunits,toimprovethetreatmenteffectandreducethetreatmentcostatthesametime.Optimizationandcombinationofbiologicaltreatmentandadvancedoxidationtechnologyisakeypointoffutureresearches.Keywords：coalgasificationwastewater;refractoryorganics;dephenolization;nitrogenremoval;zerodischarge44320