MBR工艺在煤直接液化项目有机废水处理中的应用奚竹青

—。。、。。。。。。。。1、。1.1。、。≤≥≤~≤~~~。1.2、、、、MBR017209。、、。。。CoalChemicalIndustryVol.46No.4Aug.2018、。、。。≤≤≤≤~≤≤。《》。。℃。、、、、、、、、。。。、。。。2MBR。、。。。3MBR3.1。D°。。3.2A/O。。。。。××。××~1MBR2MBR·≤≤·≤≤·≤≤≥—·≤≤℃≤—m3/hMBR~·。。∶。。。3.3MBR××。·。。。。。。。、。。。。。44.1。。—《》—《》《》。。。、3MBR····、、。、≤。。≤。。、。4.2MBR。。∶。。。。4.3。。55.1。5.2。。。5.3。。。5.4。5.5。5.6。。MBRApplicationofMBRProcessinOrganicWastewaterTreatmentofDirectCoalLiquefactionProjectXiZhuqing(OrdosCoal-to-oilBranch,ChinaShenhuaCo.,Ltd.,OrdosInnerMongolia017209,China)AbstractTakingawastewatertreatmentplantofadirectcoalliquefactionprojectasanexample,problemsthatthebiochemicalunitcouldn′tbestablyworkingandtheeffluentalsocouldn′tbereusedwereanalyzed.Accordingtoexistingproblems,theoriginalsewagetreatmentsystemwastransformed.Andtheengineeringdesignofthemembranebioreactor(MBR)unitwasdescribed,includingrotarydrummechanicalgrille,A/OpoolandMBRmembranepool.Basedonthisdesign,oneMBRtreatmentunitwasadded,asasecondarybiochemicaltreatmentunit.TheactualoperationshowedthatMBRsystemimprovedtheeffluentqualityandrealizedthereuseofsuchwaterduetoitsmeetingthestandardstably.Keywordsdirectcoalliquefaction,membranebioreactor(MBR),A/Omethod,wastewaterreuse,organicwastewater,recycledwaterApplicationofWastewaterTreatmentCombinationProcessofPretreatment+BiochemicalTreatment+AdvancedTreatmentinCoalTarHydrogenationUnitHuHonghuiandZhangYanfei(HebiHuashiUnitedEnergyTechnologyCo.,Ltd.,HebiHenan458000,China)AbstractThroughthecombinationprocessoffiltration-stripping-oilremovalpretreatment,A/O-SBRbiochemicaltreatmentandozoneoxidation-doubleaerationadvancedtreatment,thehighconcentrationandpoorqualitysewageofacoaltarsuspensionbedhydrogenationunitwastreatedwithobviouseffect.Andmeasuresofpretreatment,biochemicaltreatmentandadvancedtreatmentwereintroducedrespectively.ThecontentofCODwasreducedfrom41240mg/Lto278mg/Landammonianitrogenwasreducedfrom21080mg/Lto19.4mg/L,withtheoilremovalratehigherthan99.78%,andthevolatilephenolremovalratereaching99.9%.Aftertreatment,thewastewaterhadmettherequirementofbeingdischargedtothemunicipalsewagetreatmentplant.Keywordscoaltar,suspendedbedhydrogenation,highconcentrationsewage,pretreatment,biochemicaltreatment,advancedtreatment,combinationprocessDevelopmentandIndustrializedApplicationofCoal-HeavyOilCo-gasificationMakingSyngasTechnologyLvChuncheng,XuHongweiandLiuChun(ShaanxiYanchangZhongmeiYulinEnergyandChemicalCo.,Ltd.,YulinShaanxi718500,China)AbstractInordertoreasonablyutilizecrackedheavyoil,aby-productofYECC(ShaanxiYanchangZhongmeiYulinEnergyandChemicalCo.,Ltd.)residualoilthermalcrackingplant,thecomparisonandselectionweremadeforcrackedheavyoil-coal-watermixedslurryingtechnology,crackedheavyoil-coalslurrymulti-channelburnerco-gasificationtechnology,andcrackedheavyoildirectgasificationtechnology.Throughthecomparisonandselection,crackedheavyoil-coalslurrymulti-channelburnerco-gasificationtechnologytoproducemethanolsyngaswaschosen.Furthermore,theresearchanddevelopmentprocessofthetechnologywasintroduced,andthekeytechnologiesduringtheinnovationwereanalyzed,suchasheavyoilstorageandtransportationtechnology,multi-channelprocessburnertechnology,multi-materialsafetyinterlockcontrolsystem,start-upsequencecontroltechnologyandgasificationoperationprocesscontroltechnology.Aftertheindustrialapplication,bytheendof2017,42000tcrackedheavyoilhadbeentreated,saving75200trawcoal.Keywordscrackedheavyoil,coalslurry,coal-heavyoilco-gasification,syngas,multi-channelburner!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!415!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!