hvmtm膜过滤盐水精制工艺分析及应用-analysis and application of hv mtm membrane filtration brine purification process.docx

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2018-05-29 发布于上海
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hvmtm膜过滤盐水精制工艺分析及应用-analysis and application of hv mtm membrane filtration brine purification process.docx

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hvmtm膜过滤盐水精制工艺分析及应用-analysis and application of hv mtm membrane filtration brine purification process

powerconsumptionduringtheproductionandthelifeofionicexchangemembrane,thewaytoincreasethebrinequalityhasalwaysbeenthegoalofthechloro-alkaliindustry.Thetraditionalbrinepurificationprocessusingcoagulationandsedimentationareineffectiveinremovingcalcium,magnesiumandothersuspendedsolids,whichbecomeoneofthemajorproblemsduringoperationofelectrodialysis.Recently,thebrinepurificationprocessutilizesthe“pretreatment+membraneseparation”toreplacethetraditionalprocesswith“sedimentationtank+sandfilter+secondarysinteredcarboncartridgefilter”hasmadesignificantcontributiontochangethelowbrinequalityandincreasemembranecelllife.ThissignificantchangehasbeencalledasrevolutionofbrinepurificationinChina.Ablemishinanotherwiseperfectthing,wefoundthatapartofmembranefiltrationprocesswerenotveryreasonable,andtheequipmentconfigurationofmembraneseparatorandpretreatmentwasnotveryperfectforsteadyoperationandproductioncostsfromthepointofviewinactualproduction.Underthehelpingofmyteacherandexpert,Ididthesystemsanalysisfortheactualoperationprocessofmembraneseparationplantdependingonmycoursestudyandpracticework.AndIfixonmyresearchtask:Researchingtheequipmentconfigurationofmembraneseparatorandpretreatment,andresearchingthemembraneseparationprocesstoputforwardanewprocessandimprovingonitaccordingtotheexperienceofactualoperation.Andnow,basedontheactualapplicationresultsinsomechloro-alkaliplants,thenewprocessisprovedthatitisbringtothesteadyqualityoffiltrationbrine，easilyoperating,savingenergy,andprotectingcrystaltoincreasetheseparationcapabilityofmembranefilter.Anditisalsobringtoadvancedcontrolofplant,savinginvestmentandoperationcostforitsuser.Atpresent,therearetenplusplants,whichhaveadoptedthistechnologyinfrontofionicmembraneanddiaphragmcell.Thistechnologyalsogetsrecognitionoverseafromoverseachloro-alkaliindustryandsomeplantsalreadyadoptedthistechnology.Ihopetheresearchresultishelpforchloro-alkaliuserstodesigning,reformingandoperatingmembraneseparationplant.Asmoreandmoreplantsstarttoapplythistechnologyinfulls