Removal of Malachite Green from Water and Wastewater by Low-Cost Adsorbents

Name: Removal of Malachite Green from Water and Wastewater by Low-Cost Adsorbents
Availability: InStock

M. Khan; Qasimullah; A. Mohammad; P.F. Rahman

doi:10.21741/9781945291715-10

Removal of Malachite Green from Water and Wastewater by Low-Cost Adsorbents

Qasimullah, A. Mohammad, P.F. Rahman, M. Khan

This chapter describes the use of various low-cost adsorbents for the removal of malachite green (MG) from water and wastewater. Malachite green is a cationic dye which is widely used worldwide in the aquaculture industries (silk, wool, cotton, leather, paper etc.) as a therapeutic agent to treat parasites, fungal, and bacterial infections in fish and fish eggs and as an antiseptic for external application on wounds and ulcers. Despite its extensive use, MG has several toxic properties, which are known to cause carcinogenesis, mutagenesis, teratogenesis, and respiratory toxicity. Its oral consumption is also hazardous and carcinogenic. Therefore, it is essential to remove MG from water and wastewater using different low-cost adsorbents. A literature survey reveals that several methods are available for the dyes removal from water and wastewater such as photocatalytic degradation, combined photo-Fenton and biological oxidation, advanced oxidation processes, aerobic degradation, nanoﬁltration membranes, ozonation, coagulation, ﬂuid extraction, solid phase extraction, and adsorption. Among these, adsorption is a well-known equilibrium separation process and an effective method for water decontamination application. Adsorption has been found to be superior to other techniques for water re-use in terms of initial cost, ﬂexibility, and simplicity of design, ease of operation, and insensitivity to toxic pollutants. Adsorption also does not result in the formation of harmful substances.

Keywords
Adsorption, Malachite Green, Activated Carbon, Bio-adsorbent, Agricultural Waste, Industrial Waste

Published online 5/1/2018, 30 pages

DOI: http://dx.doi.org/10.21741/9781945291715-10

Part of the book on Organic Pollutants in Wastewater II

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