-86-第45卷第6期非金属矿Vol.45No.62022年11月Non-MetallicMinesNovember,2022燃煤渣和花岗岩石粉协同制备地聚合物研究黄涛1张明2吴保才2黄慕洋3邱志明3黄修林4包申旭3*(1湖北工建绿色材料投资有限公司,湖北武汉430080;2麻城金磊绿色材料开发有限公司,湖北黄冈438399;3武汉理工大学资源与环境工程学院,湖北武汉430070;4湖北大学材料科学与工程学院,湖北武汉430062)摘要为实现燃煤渣和花岗岩石粉综合利用,以燃煤渣为主要原料,花岗岩石粉作为辅料,氧化钙、磷酸钠和水玻璃为碱激发剂制备地聚合物。结果表明,地聚合物最佳制备条件为:燃煤渣与花岗岩石粉的质量比为90∶10,氧化钙、磷酸钠和水玻璃用量分别为20%、5%和15%。此条件下地聚合物28d抗压强度达35.45MPa。采用X射线衍射(XRD)仪和扫描电镜(SEM)对地聚合物进行分析,结果表明,复配激发剂加速了燃煤渣的溶解,形成的复杂凝胶相显著提高了地聚合物的抗压强度,同时,掺入花岗岩石粉有利于改善浆体流动性,使地聚合物微观结构更致密。关键词燃煤渣;花岗岩石粉;地聚合物;氧化钙;磷酸钠;复杂凝胶相中图分类号:TU528.41;X75文献标志码:A文章编号:1000-8098(2022)06-0086-04StudyontheCo-preparationofGeopolymerfromBurntCoalCinderandGranitePowderHuangTao1ZhangMing2WuBaocai2HuangMuyang3QiuZhiming3HuangXiulin4BaoShenxu3*(1HubeiGongjianGreenMaterialsInvestmentCo.,Ltd.,Wuhan,Hubei430080;2MachengJinleiGreenMaterialsDevelopmentCo.,Ltd.,Huanggang,Hubei438399;3SchoolofResourcesandEnvironmentalEngineering,WuhanUniversityofTechnology,Wuhan,Hubei430070;4SchoolofMaterialsScienceandEngineering,HubeiUniversity,Wuhan,Hubei430062)AbstractTorealizethecomprehensiveutilizationofburntcoalcinderandgranitepowder,thegeopolymerwaspreparedbyusingburntcoalcinderasthemainrawmaterial,granitepowderastheauxiliarymaterial,calciumoxide,sodiumphosphate,andsodiumsilicateastheco-alkaliactivator.Theresultsshowedthattheoptimalpreparationconditionsofgeopolymerwereasfollows:themassratioofburntcoalcindertogranitepowderwas90∶10,calciumoxidedosagewas20%,sodiumphosphatedosagewas5%,sodiumsilicatedosagewas15%,andthe28dcompressivestrengthofthegeopolymerreached35.45MPa.ThegeopolymerswereanalyzedbyXRDandSEM,andthetestresultsre...