煤矸石基沸石制备及在环保领域中应用研究进展
葛启隆
太原学院 建筑与环境工程系,山西 太原 030032
Research progress on preparation of coal gangue- based zeolite and its application in environmental protection field
Ge Qilong
Department of Architecture and Environmental Engineering, Taiyuan University, Taiyuan 030032, China
摘要 煤矸石在煤炭开采与洗煤过程中大量积累,导致土地资源浪费与环境污染。将煤矸石合成沸石是主要的资源化利用方式之一,本文介绍了近年来国内外煤矸石基沸石的制备方法与机理,以及制备过程中的影响因素,综述了煤矸石基沸石在水处理、有害气体去除及土壤修复等环保方面的应用进展,同时对今后的发展趋势进行分析和展望。提出了探索环保、低成本的制备方法,以及利用煤矸石基沸石进行重金属污染土壤修复是今后研究的重点。煤矸石基沸石的应用不但满足了环境保护的需求,还实现了煤矸石处理的双重功效。
关键词 :
煤矸石 ,
沸石 ,
制备方法 ,
工艺 ,
机理 ,
环保应用
Abstract :A large amount of coal gangue is accumulated in the process of coal mining and coal washing, which leads to the waste of land resources and environmental pollution. The synthesis of zeolite from coal gangue is one of the main ways of resource utilization. This paper introduces the preparation methods and mechanisms of coal gangue based zeolite at home and abroad in recent years, as well as the influencing factors in the preparation process. The application progress of coal gangue based zeolite in environmental protection such as water treatment, harmful gas removal and soil remediation is reviewed. At the same time, the future development trend is analyzed and prospected. It is proposed that the exploration of environmentally friendly and low-cost preparation methods, and the use of coal gangue-based zeolite for heavy metal contaminated soil remediation are the focus of future research. The application of coal gangue-based zeolite not only meets the needs of environmental protection, but also achieves the dual effects of coal gangue treatment.
Key words :
coal gangue
zeolite
preparation method
process
mechanism
environmental
基金资助: 山西省高等学校科技创新项目(2020L0721)
作者简介 : 葛启隆( 1988— ),男,山西运城人,讲师,博士。
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