
The eleventh water treatment industry hot spot technology forum hot spot tracking
- Categories:Industry news
- Time of issue:1585274290000
The eleventh water treatment industry hot spot technology forum hot spot tracking
- Categories:Industry news
- Time of issue:2020-03-27 09:58
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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