高盐废水零排放及分盐技术的应用李宏秀

406Vol．40No．620186HuadianTechnologyJun．201812311．1001602．2000033．300203、、、98．5%。。TK09B1674－1951201806－0063－032017－12－012018－04－080。。1、、。－、NF、ＲO、DTＲO1。2、120m3/h1。1Ca2+、Mg2+、SO42－2SiO2。、3CaMgCO32+4SiO2aq+H2→OMg3Si4O10OH2↓+3CaCO3↓+3CO2Ca2++2HCO3－+2OH－=CaCO3↓+2H2O+CO32－。1Ca2+/mg·L－11735．78Mg2+/mg·L－11193．88SO42－/mg·L－16161．22SiO2/mg·L－156．93/μS·cm－125767．98/mg·L－120626．99Cl－/mg·L－16732．53pH7．63Ba2+/mg·L－10．34Sr2+/mg·L－112．30Na+/mg·L－13030．00NO3－/mg·L－190．00/mg·L－18．45/mg·L－114．50COD/mg·L－1463．96HCO3－/mg·L－15．2833．1－NaClONaOHNa2CO3NaOHpHCa、Mg、SipH·64·401－。1。12pHpH＞10Ca2+Mg2+Si2+Sr2+Ba2+Ca2+＜10mg/LMg2+＜10mg/L34。3．2Ca2+Mg2+Si2+COD。COD－。Ca2+Mg2+。DTＲO。2。NF85%18m3/hTDStotaldis-solvedsolids73600mg/LDTＲODTＲO55%8．1m3/h102m3/hＲOＲO85%15．3m3/hTDS72300mg/LDTＲO50%7．65m3/h。。3．3DTＲO150～170g/L。2NF－ＲO－DTＲO。MVＲ、。。。。。。3。3MVＲ1。。26·65·。36%Mo。4、、。5。412GB50050—2007《》2。2Ca2+mg/L0．3≤250Mg2+mg/L0．25SO42－mg/L70．2SiO2mg/L0．30mg/L560≤1000Cl－mg/L265≤250pH6．5～7．57．0～8．5CODmg/L12．30≤5mg/L0．6223GB/T5462—20153。3g/100g99．2≥98．50．34≤0．40．4≤0．50．40≤0．50．08≤0．1566COD3025．68%。。1Metalf＆EddyAecom．、M．2011．2GB50050—2007S．3GB/T5462—2015S．1974—[e-mail]欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍。625。、、、、、。。1．J．2015270657－6067．2．600MWJ．2015310332－34．3．J．2012340574－7680．4．pHJ/OL．201535124081－4087．5．D．2015．6．D．2008．7．J．2015340479－80．1977—、[e-mail]。1993—。·80·Abstracts402018－06－60Feasibilityanalysisandresearchonthemodificationschemeondesulfurizationequip-mentofthermalpowerplantXUQiZHANGYanSchoolofElectricPowerNorthChinaUniversityofWaterＲesourcesandElectricPowerZhengzhou450045ChinaAbstractThetransformationofdesulfurizationequipmentofthermalpowerunitisbecomingmoreandmoreurgentfortheproblemofsubstandardemissionconcentrationfromthemostpowerplants．Thefeasibletransformationschemeof2×600MWsupercriticalunits’desulphurizationdeviceofacoal-firedpowerplantisanalyzedandstudied．Basedondesulfurizationefficien-cyexperimenttwoschemeswhicharetwintowerdoublecircula-tionandsingletowerareproposed．Technologicalandeconomicanalyzeofthesetwoschemesaremadeandcompared．Mean-whilebycomprehensivelyconsideringtheinfluencefactorssuchastechnologyrisktransformingdifficultytransformationperiodsiteareaandprojectinvestmenttwintowermodificationschemeisidentifiedasamoresuitablescheme．Itprovidedref-erenceforthetransformationofthedenitrificationdevicefordo-mesticthermalpowerunitinthefuture．Keywordsdesulfurizationdevicedesulfurizationefficiencytwintowerdoublecirculationsingletowertransformation2018－06－63Applicationofhigh-salinitywastewaterzerodischargeandsaltseparationtech-nologyLIHongxiu1FANXiaopeng2LIUZhijiang3LIWenjie11．HuadianWaterTreatmentEngineeringCompanyLimitedBeijing100160China2．SUEZWaterTechnologiesShang-haiCompanyLimitedShanghai200003China3．TianjinBranchofChinaHuadianCorporationLimitedTianjin300203ChinaAbstractAfterthewaterconsumptionrevampingandcascadingusingthewastewaterwithhighsalinitymustbetreatedbyhigh-efficiencychemicalsoftendevicenano-filtrationmulti-stagere-verseosmosissystemdisktubereverseosmosisandforcedcir-culationcrystallizerbeforemeetingtherequirementofmake-upwaterofcirculatingwater．Atthesametimeindustrialsaltisobtainedwhosepurityisupto98．5%．Thetechnologycanpro-videreferenceforzerodischargeofhigh-salinitywastewaterinthermalpowerplants．Keywordszerodischargeofhighsalinitywastewaternano-fil-trationmulti-stagereverseosmosissystemdisktubereverseosmosisforcedcirculationcrystallizer2018－06－66DesigncharacteristicsofcleanfluepipesupportinwetfluegasdesulfurizationprojectofChinaＲesourcesPowerJiaozuoCompanyLim-itedYANGHe1LIUFangfang1ZHANGCaoqing2YUXingliang2LIUZhaobin31．ChinaＲesourcesPowerJiaozuoCompanyLimitedJiaozuo454450China2．XinxiangYuxinPowerGenerationCompanyLimitedXinxiang453000China3．ShandongSanrongEnvironmentalProtectionEngineeringCom-panyLimitedJinan250000ChinaAbstractItexpoundstheinsufficiencyofcurrentcleanfluepipesupportindesulfurizationprojectandthedesigncharacteristicsof2×660MWsupercriticalunitfluegasdesulfurizationproject．Thisdesigndoesnotneedtoconsiderthefloorspaceanddoesnotneedtoprovideconcreteorsteelstructuresupportforthecleanfluewhichcanreducetheinvestmentcostandconstruc-tiondifficultyeffectivelyshortentheconstructionperiodandre-ducetheinfluenceonthechimneyfoundation．Itcanprovidereferenceforsimilarprojects．Keywordsfluegasdesulfurizationcleanfluesupport2018－06－68ApplicationandcomparisonofSCＲSNCＲandSNCＲ/SCＲfluegasdenitrationtechnologyWANGJihuaChinaHuadianEngineeringCompanyLimitedBeijing100160ChinaAbstractTheprinciplelayoutperformanceindexandtheen-gineeringapplicationofselectivecatalyticreductionSCＲse-lectivenoncatalyticreductionSNCＲandSNCＲ-SCＲhybriddenitrificationforcoal-firedpowerplanthavebeenbrieflypres-ented．Comparingthethreekindsofdenitrationtechnologycom-prehensivelythreekindsofcontrolsystemconfigurationschemesofdenitrificationareprovidedwhichcanproviderefer-enceforthechoiceofdenitrificationschemeandcontrolmode．KeywordsfluegasdenitrationselectivecatalyticreductionselectivenoncatalyticreductionSNCＲ-SCＲhybridcontrolsystem2018－06－71Analy