期刊
ADVANCES IN COLLOID AND INTERFACE SCIENCE
卷 282, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.cis.2020.102198
关键词
Diatomite; Dyes; Metal ions; Water treatment; Adsorption; Removal
资金
- DST, India [DST-TM-WTI-2 K14-213, DST/BDTD/EAG/2019]
- DST Nanomission, India [SR/NM/NS-20/2014]
- Chonnam National University, Republic of Korea [2018-3274]
The presence of toxic pollutants such as dyes and metal ions at higher concentrations in water is very harmful to the environment. Removal of these pollutants using diatomaceous earth or diatomite (DE) and surface-modified DE has been extensively explored due to their excellent physio-chemical properties and low cost. Therefore, naturally available DE being inexpensive, their surface modified adsorbents could be one of the potential candidates for the wastewater treatment in the future. In this context, the current review has been summarized for the removal of both pollutants i.e., dyes and metal ions by surface-modified DE using the facile adsorption process. In addition, this review is prominently focused on the various modification process of DE, their cost-effectiveness; the physio-chemical characteristics and their maximum adsorption capacity. Further, real-time scenarios of reported adsorbents were tabulated based on the cost of the process along with the adsorption capacity of these adsorbents. (C) 2020 Elsevier B.V. All rights reserved.
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