厌氧消化对麦秆基活性炭结构与性能的影响

厌氧消化对麦秆基活性炭结构与性能的影响臧玉魏1袁马新刚1袁张国英1袁谢连科1袁刘辉1袁袁宪正2袁王曙光2袁祝凡平2渊1.国网山东省电力公司电力科学研究院袁山东济南250002曰2.山东大学环境科学与工程学院袁山东青岛266237冤咱摘要暂分别利用麦秆与厌氧消化后的沼渣为原料制备了麦秆基活性炭和厌氧消化后的麦秆基活性炭袁考察其表面形貌以及对亚甲基蓝吸附特性的影响遥结果表明袁2种活性炭大部分为微孔结构袁厌氧消化后的麦秆基活性炭的比表面积与总孔容积均高于麦秆基活性炭遥XRD结果表明袁2种活性炭中均出现了石墨微晶袁但石墨化的程度均很低袁主要由无定型碳和少量石墨微晶组成遥2种活性炭对亚甲基蓝溶液的吸附动力学表明袁厌氧消化后的麦秆基活性炭对亚甲基蓝具有更高的吸附去除效率遥咱关键词暂麦秆基活性炭曰厌氧消化曰结构特征曰吸附特性咱中图分类号暂X703.1咱文献标识码暂A咱文章编号暂1005-829X渊2019冤09-0041-04EffectsofanaerobicdigestiononstructureandpropertiesofwheatstrawbasedactivatedcarbonZangYuwei1袁MaXingang1袁ZhangGuoying1袁XieLianke1袁LiuHui1袁YuanXianzheng2袁WangShuguang2袁ZhuFanping2渊1.StateGridShandongElectricPowerCompanyElectricPowerScienceResearchInstitute袁Ji爷nan250002袁China曰2.EnvironmentalScienceandEngineeringSchoolofShandongUniversity袁Qingdao266237袁China冤Abstract院Activatedcarbons渊ACs冤werepreparedbyusingwheatstrawanddigestedwheatstraw.Thestructuralcha鄄racteristicsandtheadsorptionpropertiestomethyleneblueofwheatstrawanddigestedwheatstrawbasedACswereinvestigated.TheresultsshowedthatmicroporousstructureswerethedominatingcompositioninthetwodifferentACs.ThespecificsurfaceareaandtotalporevolumeofdigestedwheatstrawbasedACswerehigherthanthatofwheatstrawbasedACs.BasedonXRDanalysis袁thetwoACswiththecharacteristicsoflowdegreeofgraphitization袁weremainlycomposedbyamorphouscarbonandasmallamountofgraphitecrystallite.TheadsorptionkineticsofthetwoACstomethyleneblueshowedthatdigestedwheatstrawbasedACshadadvantagesoverwheatstrawbasedACsinadsorptioncapacity.Keywords院wheatstrawbasedACs曰anaerobicdigestion曰structuralcharacteristics曰adsorptionproperties咱基金项目暂国家自然科学基金项目渊51108443袁51478453袁21776163冤活性炭作为一种优良的吸附剂袁具有物理吸附和化学吸附的双重特性袁可以有选择性地吸附气相尧液相中的各种物质袁以达到脱色精制尧消毒除臭和去污提纯等目的也1页遥传统的活性炭制备多以木材尧果核2012袁185/186院219-225.咱13暂VanDerHouwenJAM袁Valsami鄄JonesE.Theapplicationofcalc鄄iumphosphateprecipitationchemistrytophosphorusrecovery院theinfluenceoforganicligands咱J暂.EnvironmentalTechnology袁2001袁22渊11冤院1325-1335.咱14暂SuchanekWL袁ByrappaK袁ShukP袁etal.Mechanochemical鄄hydro鄄thermalsynthesisofcalciumphosphatepowder