The eleventh water treatment industry hot spot technology forum hot spot tracking

The eleventh water treatment industry hot spot technology forum hot spot tracking

  2016onApril13,JiangsuYancheng,sponsoredbytheChinaInternationalTradePromotionCommitteeofconstructionindustrybranch,thehostcityofYanchengChinaEnvironmentalScienceandtechnologyandthewaterindustrymarket"magazineandfocusnetworkwww.cin.cneleventhwatertreatmentindustryhotspotTechnologyForumheldasscheduled.ChinaCouncilforthepromotionofinternationaltradeintheconstructionindustrybranchXieHongchangopeningspeech.Thisforum,anumberofbigcoffeeindustrydowonderfulspeech,whichsomespeakersofsomewonderfulspeechconsolidationshareforeveryonetoseeit!
  ChineseAcademyofengineering,BeijingUniversityofTechnology,Schoolofenvironmentalscienceandengineering,ProfessorPengYongzhen
 
  ProcesstechnologyandcaseanalysisofurbansewagetreatmentuptofirstgradeA
 
  Atpresent,themaincontradictionthatexistsinAAOisduetothelackofcarbonsource,andlowC/Nisverycommoninourcountryatpresent.Thenitrogenandphosphorusremovalinmunicipalwastewatertreatmentplantisfacedwiththeproblemofcarbonsourceinsewage.Biologicaldenitrificationisthepremiseofcompletenitrification,theneedforlongsludgeage;biologicalphosphorusremovalisthepremisethattherearemoreresidualsludge,needshortsludgeage.Onlythroughtheoperationcontrol,thenitrogenandphosphorusremovalcouldnotreachthebest.
 
  AdvantagesofAAO-BAFtechnology:
 
  Nitrificationandphosphorusremovalwerecarriedoutintwodifferentsludgeagesystems,andnonitratenitrogenintherefluxsludgecouldmaketheanaerobicphosphorusreleasemorefully,andachievethepurposeofsimultaneousnitrogenandphosphorusremoval.Theprocessprovidesasuitableenvironmentforthedenitrificationandphosphorusremovalbacteria,andthemainformofphosphorusremovalwillbethedenitrificationandphosphorusremoval,whichcansavethecarbonsource,andismoreconducivetothetreatmentoflowC/Nratiowastewater.Alotoforganiccompoundswereremovedintheprocessofdenitrificationandphosphorusremoval,theretentiontimeofaerobicperiodwasonly1.8h,andtheresidencetimeof2.5hwasBAF,andthetotalaerobicaerationtimewasonly4.3h.AsorganicmatterandsuspendedsubstancesaremostlyremovedintheAAO,whichisconducivetothenitrificationinBAF,whiletheBAFcanbeextendedtoreversethewashingtime.Inthemixedsolutionoftwosettlingtanks,therearefewnitratenitrogen,notwosludgefloatingphenomenon.
  MinistryofhousingandUrbanConstructionDepartmentofurbanconstructionCaoYanjin
 
  Technologyandpolicyofblackodorwatertreatment
 
  Managementofblackandsmellywater,controlofpollutionisthekeysourceofpollution.Remediationtechnologyselectionshouldfollow:applicability,comprehensive,economic,long-termandsafetyprinciples,comprehensivecontrolofpollutionsources,internalgovernance,ecologicalrestorationandothergovernancemeasures.
  LiAimin,PresidentofYanchengenvironmentalprotectiontechnologyandEngineeringResearchInstitute,NanjingUniversity
 
  Rivergovernanceandecologicalrestorationofurbanriverbasedonthelackofthebasicflow:acasestudyofHuaihe
 
  Thegovernanceofheavilypollutedblackandsmellyriverbasedonthelackofbasicflowisadifficultproblemintheworld.WaterresourcesinthenorthofChinaandtheincreaseofthewatershortageandwaterpollutioninthenorthoftheriverisinshortsupplyandthesituationofwaterpollution.ThelackofbasicflowandtheheavypollutionarethetypicalcharacteristicsoftheblackandsmellyriversinthenortherncitiesofChina.
 
  WaterpollutioncontrolintheHuaiheriverbasinisthemainproblemofthewaterpollutioncontrolintheriverbasin.Basedonthesewageandwastewaterresourceuseandwaterqualitymanagementbyobjectives"333"governancemodecanberealizedbasedontheenvironmentalcapacity,totalandecologicalpurificationcapacityoftheindustrystandardofindirectemissions,watershedemissionstandardandriverwaterqualitystandardscientificlink.
  LiAimin,PresidentofYanchengenvironmentalprotectiontechnologyandEngineeringResearchInstitute,NanjingUniversity
 
  Rivergovernanceandecologicalrestorationofurbanriverbasedonthelackofthebasicflow:acasestudyofHuaihe
 
  Thegovernanceofheavilypollutedblackandsmellyriverbasedonthelackofbasicflowisadifficultproblemintheworld.WaterresourcesinthenorthofChinaandtheincreaseofthewatershortageandwaterpollutioninthenorthoftheriverisinshortsupplyandthesituationofwaterpollution.ThelackofbasicflowandtheheavypollutionarethetypicalcharacteristicsoftheblackandsmellyriversinthenortherncitiesofChina.
 
  WaterpollutioncontrolintheHuaiheriverbasinisthemainproblemofthewaterpollutioncontrolintheriverbasin.Basedonthesewageandwastewaterresourceuseandwaterqualitymanagementbyobjectives"333"governancemodecanberealizedbasedontheenvironmentalcapacity,totalandecologicalpurificationcapacityoftheindustrystandardofindirectemissions,watershedemissionstandardandriverwaterqualitystandardscientificlink.
  Ministryofhousingandurbanandruralconstructionofthespongecityexpertguidancecommittee,ChineseAcademyofurbanplanningandDesignInstituteofwaterandengineering,vicepresidentXieYingxia
 
  Studyontheconstructionofthespongecityandthecomprehensivemanagementofrainwater
 
  Spongecityconstructionshouldbefromtheoverallsituationofshouldconsidernotonlythe"landscapeHayashidaLake"thesponge",butalsoconsiderthelowimpactdevelopmentthesedistributed"smallspongespongeconstructioncityespeciallylowimpactdevelopmentforrunoffpollutioncontrol,runoffreduction,groundwaterrechargeandisofgreatsignificance,butitshouldnotbeexaggeratedtherole,especiallyintermsofwaterloggingpreventionrole.
 
  Fromtheperspectivesofecologicalcivilization,"landscapeHayashidaLake"tounderstandthespongecityshouldnotbesuperficialandone-sidedthatspongecityisdresshats,whitewash,willlaysomewaterpermeablebrick,repairseveralreservoirs,builtafewpiecesofsunkenlawn.
 
  ThepurposeofbuildingaspongeCity:fromthesingleobjectivetomultipletargetsfromsinglemeasurestocomprehensivemeasures;fromtheendtothewholeprocess.
 
  Thinkingaboutthechoiceofsludgetreatmentanddisposaltechnology
 
  Bottleneckproblemofsludgetreatment
 
  Thewatercontentofsludgeisthekeyproblemtocontrolthesludgedisposalandutilization.
 
  Thedryingprocessisthemainlinkoftheenergyconsumptionofsludgetreatmentanddisposalsystem.
 
  Targetofsludgetreatmentanddisposal
 
  Protectionoftheenvironment:thedecompositionofpollutants,toachievetheminimumquantityofsludgeandsafetymanagement;
 
  Technicalreliability:thesystemissafe,efficientandreliable,anditcanrealizethecontinuousandstableproduction;
 
  Technology:technologyinnovation,improvetheprocessingefficiencyandeffectiveness,reduceenergyconsumption,reducethecostoftreatment;
 
  Resourcerecovery:transformationandrecyclingofresources,suchaspowergeneration,heating,fuel,fertilizer,buildingmaterials,etc..
 
  principle
 
  Safe,reliable,advanced,resourcerecovery
 
  demand
 
  Thewholesolutionofsludgetreatmentandutilization
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