粉煤灰基多孔陶瓷吸附孔雀石绿.doc

文档介绍：高如琴,张润涛,朱灵峰,王阳阳(华北水利水电学院,河南郑州,450011)摘要:以粉煤灰为主要原料,添加超细电气石粉和烧结助剂,采用湿式超细研磨、半干压成型和低温煅烧工艺,制备粉煤灰基多孔陶瓷。结合扫描电镜、X射线衍射仪等对材料的结构和性能进行了表征,通过紫外-可见分光光度计、傅立叶变换红外光谱仪,分析了粉煤灰基多孔陶瓷对孔雀石绿的脱色效果和机理。结果表明:粉煤灰基多孔陶瓷孔径细小均匀,具有较强的吸附性;适量超细电气石粉的引入使粉煤灰基多孔陶瓷具有一定的降解能力。反应5h,%,结合傅立叶变换红外光谱,进一步分析了孔雀石绿的脱色机理。关键词:硅藻土;多孔陶瓷;孔雀石绿;脱色机理ResearchontheDecolorizationforMalachite-greenbyDiatomiteBasedPorousCeramicGAORuqin,ZHANGRuntao,ZHULingfeng,WANGYangyang,CHENGuixia(SchoolofChemicalandEnvironmentalEngineering,ChinaUniversityofMining&Technology,Beijing100083,China)Abstract:Takingdiatomiteasmainmaterials,appendingultra-ourmalineinmoderationandbindingagentinmodicum,usingsolid-phasesinteringmethod,anewtypeenvironmentalmaterialwasobtained—,mercuryinjectionintrusionporosimetry,andanalyzeddecolorizingeffectandmechanismfordiatomitebasedporousceramiconmalachite-greenbyFouriertransforminfraredspectrumandultraviolet–-sizedistributionis200nm,--%and36%:diatomite;porousceramic;malachite-green;decolorizingmechanism近年来,环境污染正在日益成为一个全球性的问题。随着纺织工业的迅速发展,染料生产和印染废水已成为水环境的重点污染源之—。染料废水是含有染料的有色废水,具有组成复杂