47820194GuangzhouChemicalIndustryVol.47No.8Apr.2019123146700024670003467000。。。。TU992A1001-9677201908-0024-031983-。ResearchProgressonCoalAshTreatingWastewaterZHANGJing12YUGang31StateKeyLaboratoryofCokingCoalResourcesDevelopmentandComprehensiveUtilizationChinaPingmeiShenmaGroupHenanPingdingshan4670002ResearchInstituteofEnergyandChemicalEngineeringChinaPingmeiShenmaGroupHenanPingdingshan4670003HenanPingmeiShenmaEnergyConservationTechnologyCo.HenanPingdingshan467000ChinaAbstractCoalashisakindofindustrialsolidwastecontaminatingsoilendangeringhumanhealthandtheenvironment.Itisnecessarytoturnwasteintotreasure.Usingcoalashasadsorbenttotreatmanykindsofwastewaterhastheadvantagesoflowcostsimpleoperation.Anditalsohasthecharacteristicsofusingwastetotreatwastecomprehensiveutilization.Themechanismofwastewatertreatmentofcoalashwasanalyzedanddiscussed.Theresearchstatusandapplicationofcoalashtotreatwastewaterwereintroducedandtheexistingproblemsandresearchdirectionsinfuturewerepointedout.Keywordscoalashmechanismlandfillleachateelectroplatingwastewatercokingwastewaterdyeingwastewaterpapermakingwastewater、2000~2300kg/m3550~658kg/m360%~75%800~19500cm2/g1。SiO2、A12O3、Fe2O3、CaOK、P、S、MgCu、Zn2。。2020303。4。、。、、、。。1、。、。。。Si-O-Si、Al-O-Al、-、、。-。-47825。。。22.1、、、。、、。5、5。、、40L/h、15mg/L、40L/m3·h、、CODCr、BOD5、90%、93%、96%、92%、86%92%。6。COD67.3%87.3%。7。H2O2Fenton。pH=220g/L1h1L2mL30%H2O280℃600W20min69.81%。2.2。40×108m38、、、、、。。9、Ni2+Ni2+Ni2+Ni2+。10-。Cr6+、Zn2+、Cu2+Ni2+、、、pH、。Cr6+。11。2.3、。。。。12-、pH、pH5100mL0.25g10015g1h。GB8978-96。13。H+1.75mol/L2h10gpH3.0~4.5。。2.435%。、、、。。14。71.0%~99.4%COD66.3%~81.9%。15COD、Cr。700CODCr664.2mg/L、947.1mg/L、18g16g2.0h2.5hpH5~7115mL、120mL95%CODCr81.5%41.1%。2.5。、、。。。。16COD。17H2SO4。COD。18、。。COD800~1500mg/LpH9~26201941225g/100mL74~83μmCOD、BOD、81.5%、80.7%、99.1%94%。2.6。。。。19。AlCl3FeCl3。256mg/L9.3mg/L96.36%。20。96%。21COD。AlCl3FeCl3。90%。2.7、、、、。、。。22CaOH224h98%。23。pH。。24、-。20mg/L10mg/L50~100mg/L50%-20~100mg/L10mg/L。。3。。1。。。2。。。。3。1.J.2007396867-872.2.J.200835483-8488.3.J.2011782-84.4.J.2005112-15.5.J.200624365-67.6.J.201262529-534.7.-H2O2J.2008306732-733.8.21J.20022431-2.9.Ni2+D.2015.10.J.2004350-53.11.J.2002330-31.12.J.200721630-32.13.J.2018262-65.14.J.2006619-21.15.J.201035754-56.16.J.200068-9.17.J.2004239-40.18.J.2003248814-816.19.J.200522643-45.20.J.20099527-30.21.CODJ.20161241-43.22.J.2005426-28.23.J.1993132199-206.24.J.19936355-359.