金属元素改性生物质炭应用于磷酸盐吸附的研究进展_刘小宁
- 木木木头小污师
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2019-03-29 15:17:35
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金属元素改性生物质炭应用于磷酸盐吸附的研究进展_刘小宁Researchprogressofmetal-modifiedbiocharforphosphateadsorptionLIUXiao–ning1,JIABo–yu2,SHENFeng1,QIXin–hua1*(1.Agro-EnvironmentalProtectionInstitute,MinistryofAgricultureandRuralAffairs,Tianjin300191,China;2.CollegeofEnvironmentalScienceandEngineering,NankaiUniversity,Tianjin300071,China)Abstract:Highphosphoruscontentisthemaincauseofagriculturalnon-pointsourcepollutionandeutrophication.Therefore,scientifical⁃lyandrationallycontrollingthephosphateconcentrationinrivers,lakes,andagriculturalrunoffisofgreatsignificancetotheirpreventionandcontrol.Amongthemanyphosphateretentionmethods,biocharadsorptionhasreceivedextensiveattentioninrelatedfields.However,unmodifiedbiocharhaspooradsorptionefficiencyforphosphates,andmetal-elementmodificationcansignificantlyimprovethephosphateadsorptionperformanceofthematerials.Thisreviewintroducesthemainpreparationmethodsandresearchideasofdifferentmetalelement(i.e.,magnesium,calcium,iron,strontium,andbimetal)modifiedbiochars,appliedinth
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