期刊
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
卷 9, 期 5, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jece.2021.106088
关键词
Zeolite; Composite; Adsorption; Mechanism; Water
This review summarizes the recent studies on the capability of zeolite-based composites for adsorbing toxic matters from water sources, including the adsorption mechanisms and comparisons between composites and raw zeolites.
The adsorption of toxic matters from water using zeolites has been developed due to the low cost of operation and adsorbent. However, their use due to the lower efficiency of natural zeolites and the difficult reusability of nanosized-synthetic zeolites is limited. In recent twenty years, the use of zeolite-based composites in the forms of zeolite/inorganic and zeolite/polymer composites has been accelerated for the adsorption of toxic matters from water sources. This review summarized the recent studies on the capability of zeolite-based composites toward toxic matters adsorption such as heavy metal ions, dyes, herbicides, and drugs from water. The main adsorption mechanisms using the zeolite-based composites are surface adsorption, chelation, ion exchange, electrostatic interaction, diffusion and, complexation. The comparison of the capability of zeolite-based composites and raw zeolites for the removal of toxic matters from the water provides the valuable applicability of the zeolite-based composites for actual wastewater treatment in the future.
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