２０２３年７月JournalofGreenScienceandTechnology第２５卷第１４期收稿日期:２０２３Ｇ０６Ｇ２１基金项目:区域开发与环境响应湖北省重点实验室２０２２年度开放基金项目(编号:２０２２(C)００１);２０２２年湖北省博士后创新研究岗(编号:３０９３８７)作者简介:方号源(１９９８－),男,硕士研究生,研究方向为固体废物资源化利用.通讯作者:朱书景(１９８１－),男,博士,教授,研究方向为黑臭水体治理、固体废物资源化利用.矿渣－偏高岭土聚合物固化垃圾焚烧飞灰配比研究方号源,李卓文,江珊,何昀,朱茜茜,朱书景(湖北大学资源环境学院,湖北武汉４３００６２)摘要:垃圾焚烧飞灰属危险固废,必须无害化处理后再利用.利用高炉矿渣－偏高岭土制备聚合物固化垃圾焚烧飞灰,在正交试验基础上得到地聚物最佳制备参数,用该参数制备出的BKG按比例掺入飞灰制备地聚物固化体;与原始飞灰相比,２８d养护后,２０％~６０％BKG掺量的固化体抗压强度均满足相关要求;掺入５０％和６０％地聚物的固化体Cr浸出浓度均下降了约９７％,远高于水泥固化体;通过微观试验分析证明:BKG对垃圾焚烧飞灰进行固化稳定化,实现了对危险废物的无害化处理.关键词:垃圾焚烧飞灰;固化稳定化;微观试验;地聚物中图分类号:X７０１文献标识码:A文章编号:１６７４Ｇ９９４４(２０２３)１４Ｇ０１８４Ｇ０５StudyontheRatioofSlag－MetakaolinPolymerSolidifiedWasteIncinerationFlyAshFangHaoyuan,LiZhuowen,JiangShan,HeYun,ZhuQianqian,ZhuShujing(FacultyofResourcesandEnvironmentalScience,HubeiUniversity,Wuhan,Hubei４３００６２,China)Abstract:WasteincinerationflyashisadangeroussolidwasteandmustbetreatedharmlesslybeforereＧuse．Inthispaper,thebestpreparationparametersofgeopolymerwereobtainedonthebasisoforthogoＧnaltests．TheBKGpreparedbyusingblastfurnaceslag－metakaolintopreparepolymer－solidifiedwastewasobtained,andtheBKGpreparedbythisparameterwasproportionallymixedwithflyashtopreparethegeopolymersolidate．Comparedwiththeoriginalflyash,after２８dcuring,theCrleachingconcentrationofsolidifiedbodymixedwith５０％and６０％geopolymerdecreasedbyabout９７％,whichwasmuchhigherthanthatofcementsolid．Throughmicroscopictestanalysis,itisprovedthatBKGsoＧlidifiesandstabilizestheflyashofwasteincineration,andrealizestheharmlesstreatmentof...
