多孔煤矸石沸石对罗丹明B的吸附理论研究
康建

宁夏理工学院 理学与化学工程学院，宁夏石嘴山，753000；

摘要：煤矸石排放量占工业固体废弃物总量的15%-20%。目前其资源利用率较低，高值化利用水平仍有待提升。本论文以煤矸石为原料，水热合成制备多孔煤矸石沸石，研究煤矸石沸石对罗丹明B（RhB）吸附动力学和吸附能力学。吸附热力学研究中，Freundlich等温模型拟合的R²为0.9942，表明该吸附过程符合Freundlich等温吸附模型；吸附动力学研究表明：沸石对RhB的吸附过程符合拟二级动力学模型，吸附过程为化学吸附过程。本研究可为煤矸石的吸附RhB提供坚实的理论支撑。

关键词：多级孔煤矸石沸石；吸附性能；罗丹明B；吸附热力学；吸附动力学

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