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Adsorption of Dyes Using Natural Minerals: A Review

Paper Topic: 
Water and Wastewater Treatment

Pages :
451 - 464

Corresponing Author: 
Asawer Mahdi Subhi
Mahdi Subhi A. Abdulkarem Al-Najar J. Abdul-Hadi Noori W.
Paper ID: 
Paper Status: 
Date Paper Accepted: 
Paper online: 
Visual abstract: 

Adsorption is an effective and widely technique used for separation many pollutants from wastewater. Pollution of water with color material such as dyes is of environmental concern due to their toxicity and cause carcinogenic effects on human and aquatic life. These dyes are presented into the water bodies from the effluence of several industries such as textile, paints, cosmetics, paper, food, and others causing water pollution. Adsorption technique using low cost adsorbents has gain a lot of attraction of many researchers for years. The purpose of the present study is to investigate for using natural mineral as inexpensive adsorbents for removal of dyes from wastewater. This investigation can be made by reviewing the major topic researches that applying natural mineral material as cheap adsorbents for treating of colored wastewater. A natural materials such as vermiculite, sepiolite, montmorillonite, kaolinite, perlite, diatomite, zeolite, and others, which are categorized as permeable minerals, multilayer minerals and other based on structure properties. These adsorbents can be used as is or changed to enhance adsorption properties.

Dyes, waste water treatment, adsorbents, adsorption, natural mineral