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Removal of dyes from wastewaters by low-cost adsorbents


Ong, Siew Teng and Ha, Sie Tiong and Keng, Pei Sin and Lee, Chnoong Kheng and Hung, Yung Tse (2012) Removal of dyes from wastewaters by low-cost adsorbents. In: Handbook of Environment and Waste Management: Air and Water Pollution Control. World Scientific Publishing, pp. 929-977. ISBN 9789814327695; EISBN: 9789814462655

Abstract / Synopsis

Dyes represent an objectionable pollutant to the environment. The removal of dyes has been of great concern because of their toxicity and persistency. The usage of commercial activated carbon to remove dyes in wastewater is limited due to its high cost. This prompted the search for alternative low-cost adsorbents. This chapter examines (i) historical aspects and pollution issues concerning dyes; (ii) main treatment technologies and their limitations; (iii) various studies using waste materials from agriculture and industry or naturally occurring biosorbents; and (iv) equilibrium and kinetic models used in batch and continuous systems that are important for design purpose.

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Additional Metadata

Item Type: Book Section
Divisions: Faculty of Science
DOI Number:
Publisher: World Scientific Publishing
Keywords: Dyes; Wastewater treatment process; Adsorption; Low-cost adsorbents; Batch systems; Continuous systems; Equilibrium studies; Kinetics modeling
Depositing User: Nabilah Mustapa
Date Deposited: 12 Apr 2016 12:36
Last Modified: 12 Apr 2016 12:36
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