高矿化度矿井水零排放工艺研究李福勤

469Vol.46No.920189CoalScienceandTechnologySep．2018056038、、。“++++++++ED+MED”ED。X703A0253－2336201809－0081－06Ｒesearchonzerodischargeprocessofhighly－mineralizedminewaterLIFuqinZHAOGuifengZHUYunhaoJIAOYananCollegeofEnergyandEnvironmentalEngineeringHebeiUniversityofEngineeringHandan056038ChinaAbstractAimingattheproblemsofzerodischargetreatmenttechnologyofminewaterwithhighsalinitythezerodischargetreatmenttech-nologyofminewaterwithhighsalinitywasresearchedfrompretreatmentadvancedtreatmentconcentrationtreatmentandevaporationandcrystallization．Theresultsshowthattheengineeringapplicationofhighmineralizedminewaterpretreatmentanddeeptreatmentisexten-siveandtechnologyisverymature．Howevertheengineeringapplicationofconcentrationtreatmentandevaporationcrystallizationprocessislessandthekeytechnologiesstillneedtobeimproved．Throughcomparisonandselectioncombinedwithtypicalcaseanalysisthepaperputsforwardtheoptimizationprocessof“lime+combinationofsofteningofsodiumcarbonateandclarificationorcoagulantandsedimenta-tion+filtration+ultrafiltration+softeningofionexchangeresin+highperformancereverseosmosis+decarbonize+nanofiltration+concentrationbyED+multipleeffectdistillationMEDcrystallization”．Theproducedwaterofnanofiltrationispartiallyreusedforregenerationofsof-tenedresinafterEDconcentrationsoastorealizewastetreatmentbywaste．Keywordshighly－mineralizedminewaterzerodischargemembraneconcentrationevaporationcrystallization2018－05－03DOI10.13199/j.cnki.cst.2018.09.013201515274006D1966—。[e-mail]-nology201846981－86.01000mg/L。1。30%50%。2。、182018946、3－5。2、、。6－10。、、、。、、。13511－14。1．111－14→→→→→→1/2。。≤5NTU。1．2。151mmol/L。0．03mmol/L。。1．3+16－17、++4、5、18+。95%SDI＜3＜0．1NTU。50%～75%97%1000mg/L5000～10000mg/L。2。、、。2．1TDS20000mg/LTDS60000mg/L40%～60%。1920、。2．2DTＲO。DTＲO、、、、、。DTＲO9MPa12MPa100000mg/L21。2．32。。。22TDS2820189100000mg/L。2．4ED500～4000mg/L。ED23。ED150000mg/L。2．5FOFO、、、ＲO2124。FO200000mg/L＜1000mg/L。2．6。25－26。1—。97%＜90%27。1。1+Fig．1FlowdiagramofseparatingsaltbyNFconcentrationbymembranecombinedtechnique2—。SWＲOTDS15%28－29。EDEDBWＲOBWＲOED。2。3—。ＲOＲO24。3。2+Fig．2FlowdiagramofED－ＲOmembraneconcentrating3+Fig．3FlowdiagramofFO－ＲOmembraneconcentrating2．720000～30000mg/L50m3/hED－SWＲO、DTＲOFO1。ED－SWＲO。1Table1EconomiccomparisonofconcentrationtreatmenttechnologyED－SWＲODTＲOFO/%707070/kW·h100140120/2200245031003MVＲ、MED、MSF279。1。MVＲ。2。MED。3。382018946、、、19。MEDMVＲ。MVＲMED。44．112。600m3/hTDS2500mg/L。300m3/h20174。TDS≤1000mg/LGB5749—2006《》。。4Fig．4TechnologicalprocessofzerodischargeofminewaterinHongqingheMine2。2。2Table2TypicalcasesofzerodischargeofhighsalinitywastewaterincoalchemicalindustryandotherindustriesinChinaTDS/mg·L－1/m3·h－11301319+V+++++SWＲO+2202400、、、201205252278673++++++++10GB/T546—2015《》“”GB/T600—2014《》“Ⅱ”32425000～40000+++++228000、43．74313355+++++9720863．89/t95%95%“++”。4．2“++++”、“+++ED”、MED。NaClED4820189。5。5Fig．5Optimizationtechnologicalprocessofzerodischargeofminewater5“++”。++++++++ED+。NaClED。。Ｒeferences1．“”EB/OL．2018－03－02．http//．ndrc．gov．cn/zcfb/zcfbtz/201612/W020161230384720991215．pdf．2．J．20174511205－210．MAOWeidongZHOUＲuluGUOZhongquan．ZeroliquiddischargetreatmenttechnologyandapplicationforcoalminedrainagewaterJ．CoalScienceandTechnology20174511205－210．3．J．2009252256－58．WANGXuhuiZOUYuanlongZHAOＲuiruietal．AdvancedtreatmentandreuseofhighlymineralizedminewastewaterJ．ChinaWater＆Wastewater2009252256－58．4．J．2010367129－131．ZHAOShuguangLIFuqinHOUMinggangetal．Ｒesourceengi-neeringpracticeofhighmineralizedminewaterJ．TechnologyofWaterTreatment2010367129－131．5．J．200230838－41．HEXuwenHUDianjianHUZhenyuetal．ＲesearchontechnologyforhighmineralizedminewatertreatmentJ．CoalSci-enceandTechnology200230838－41．6．J．201737975－78．SAIShijie．Ｒesearchonthesaltseparationperformanceofnano－fil-trationmembraneinhighsalinitywastewaterzerodischargefieldJ．IndustrialWaterTreatment201737975－78．7．J．2015417121－123．YANGShuai．SalinitywastewaterzerodischargetechnologyappliedinNingdongCoalChemicalIndustryJ．TechnologyofWaterTreatment2015417121－123．8．J．2015431120－124．HEXuwenWANGChunrong．ZerodischargetechnologyandsolutionideaofwastewaterfromnewcoalchemistryJ．CoalSci-enceandTechnology2015431120－124．9．J．201743624－28．LIBingZHANGQilongWANGXuetongetal．Wastewaterzerodischargetechnologyofcoal－firedpowerplantJ．TechnologyofWaterTreatment201743624－28．10．J．201743634－36．WEIFeiLIUJinglongWANGTeetal．Ｒesearchonzerodis-chargetechniqueofdesulfurizationwastewaterincoal－firedpowerplantJ．TechnologyofWaterTreatment201743634－36．11．J．20112722100－102．LIFuqinLIJianhongGUOZhenqingetal．Comprehensivere-sourceUtilizationofYixingMinewaterJ．ChinaWater＆Wastewater20112722100－102．12．J．200014110－12．ZHOUＲuluGAOLiangCHENMingzhi．Discussesonthepurifi-cationtechnologyofminedrainagecontainingsuspendedsubstanceJ．CoalMineEnvironmentalProtection200014110－12．13．J．2008283458－460．YANGJingLIFuqinSHAOLinanetal．Discussiononthechar-acteristicsofSSinminewaterandthekeytechniqueofpurifica-tionJ．JournalofLiaoningTechnicalUniversit