高盐废水的形成及其处理技术进展李柄缘

2014332CHEMICALINDUSTRYANDENGINEERINGPROGRESS?493?121222111000292102206COD----X522A10006613201402049306DOI10.3969/j.issn.1000-6613.2014.02.039Formationandtreatmentofhigh-saltwastewaterLIBingyuan1LIUGuangquan2WANGYing1ZHANGXiaofei2LIUPeng2RENWen2YONGXingyue11SchoolofChemicalEngineeringBeijingUniversityofChemicalTechnologyBeijing100029China2CNPCResearchInstituteofSafety&EnvironmentTechnologyBeijing102206ChinaAbstractWiththedevelopmentofbiologicaltechnologyinrecentyearsitispossiblethatconcentratedwastewatercanbetreatedwithbiologicalprocessasaresultofsuccessfullycultivatingdomesticatingsalt-tolerantbacteria.Howeveritisverydifficultforalargeamountofconcentratedwastewatertobeeffectivelytreatedbybiologicalprocessduetothelimitationofenvironmentaladaptabilityofsalt-tolerantbacteria.ThedecreaseofCODandseparationofinorganicsaltsfromconcentratedwastewaterareultimategoals.Onlyunderthisconditionamuchlargeramountofwaterberecovered.Differentsourcesandformationmechanismsofconcentratedwastewaterwereintroduced.Atthesametime,theformationofhigh-saltwastewaterduringthetreatmentofchemicalwastewaterwasanalyzed.High-saltwastewaterwasgeneratedafterconcentratedwastewaterwastreatedbymulti-effectevaporationormembranedistillation.Theincinerationandcoolingcrystallizationprocessescanbeusedfortreatinghigh-saltwastewater.Becausethecrystallizationofsomesolublesaltsinhigh-saltwastewaterisinsensitivetothedecreaseoftemperatureanevaporation-thermalcrystallizationprocessisadvisedforhighlyefficientseparationofsolublesaltsfromhigh-saltwastewaterinsteadofthet[e-mail]2013-07-242013-09-082011BAC06B051989201433?494?Keywordssalt-concentratedwastewaterhigh-saltwastewaterdesalinationevaporation-coolingcrystallizationprocessevaporation-thermalcrystallizationprocess1TDS3.5%[1]Cl-Na+SO42-Ca2+[2][3]15%5%CODTDS8%CODTDS15%COD1.12090CODB/C200924.3[4]80%60g/L[5][6]160047.650%[7][8]COD50000mg/L150g/LCOD15%20%CaCl2NaCl[9]20%[10]2?495?1.2CODCOD/COD[11]-[12][13]3.5%COD60%5%COD94%97%[14]70%50%60%[15]50%60%2COD60%-[16][17]CODCODCOD--[18][19][20][16]201433?496?[21]8%Schofield[22]5mol/LNaCl25%30%[23]VMD99%15%433.1COD2050[24]COD100000mg/L2500kcal/kg10%COD10000100000mg/L2502500kcal/kg[25]NSClNOxSOxHCl3.2--11-COD3.3--2-402-2?497?333316L-100%[26]4CODCOD--COD[1]Binder.UseofSBR'Stotreatpesticidewastewater.Presentedatthenotredame/mileshazardouswasteconference[D].SouthBendUniversityofNotreDame1992.[2].[J].200928385-88.[3].[J].2012247121-122.[4].[J].20101249-56.[5].[J].200626733-35.[6].[J].200732197-99.[7].[J].2006317111-114.[8].[J].20054412563-564.[9].SS[J].201257-10.[10].[J].2011127-30.[11].[D].2007.[12].[J].20051231-36.[13].[J].200515217-19.[14]DaeHyunKim.Areviewofdesaltingprocesstechniquesandeconomicanalysisoftherecoveryofsaltsfromretentates[J].Desalination20112701-8.[15].[J].20091060-61.[16].[J].2012314920-926.[17].[J].201326144-46.[18].[J].2010361298-102.[19].[J].200929135-37.5152?515?63FLACSGPU44[1].[J].200623149-54.[2].[J].2010124320-323.[3].[J].201012193-96.[4].[J].20081941068-1071.[5].[J].2009216853-860.[6].[J].2009261257-61.[7].[J].2011233516-521.[8].[J].201022101728-1733.[9]WangNiniane.Realisticandfastcloudrendering[J].JournalofGraphicsTools20049321-40.[10].GPU[J].200921237511-7514.[11].BITONIC--[J].20021031307-1316.[12].OpenGL[J].200820113-115.497[20].[D].2011.[21].[J].2011310201-208.[22]SchofieldRWFaneAGFellCJDetal.Factorsaffectingfluxinmembranedistillation[J].Desalination199077279-294.[23].RO[D].2008.[24].[J].201133334-36.[25].[J].20051215-18.[26].[J].200926225-27.