Application of Adsorbents for Water Pollution Control

Kaolinite: A Cheap Alternative for Industrial and Mining Wastewater Treatment

Author(s): Zuy Maria Magriotis, Rísia Magriotis Papini, Paulo Roberto de Magalhães Viana, Priscila Ferreira de Sales and Otávia Martins Silva Rodrigues

Pp: 272-290 (19)

DOI: 10.2174/978160805269111201010272

* (Excluding Mailing and Handling)


In this chapter, the feasibility of kaolinite like alternative adsorbent for wastewater treatment has been discussed. Kaolinite is widely used in various industrial processes. Besides these applications, kaolinite has also been used in the environmental applications, with special emphasis on the treatment of industrial effluents. Due to its low cost and efficient adsorptive character, its utilization has been studied for the removal of flotation reagents in iron mineral processing and dyes from wastewater in textile industry. A detailed characterization of kaolinite is presented. The results demonstrated that kaolinite has higher potential for these organic compounds which makes it a good alternative for the wastewater treatment. The adsorption kinetics and isotherms have also been discussed.

Keywords: Kaolinite, Adsorption, Organic pollutants, Flotation, Adsorption kinetics, Adsorption isotherm, Methylene blue, Etheramine, Zeta potential, pH effect.

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