Application of Adsorbents for Water Pollution Control

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Among various water and wastewater treatment technologies, the adsorption process is considered better because of lower cost, simple design and easy operation. Activated carbon (a universal ...
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Bone Char: An Alternative for the Removal of Diverse Organic and Inorganic Compounds from Industrial Wastewaters

Pp. 502-522 (21)

DOI: 10.2174/978160805269111201010502

Author(s): Sônia Denise Ferreira Rocha, Marcos Vinícius Ribeiro, Paulo Roberto de Magalhães Viana, Marcelo Borges Mansur


Bone char is traditionally used in sugar industry for color and turbidity removal. Due to its excellent adsorptive character, it has been applied for the removal of metals from mining and metallurgical effluents, dyes from textile industry wastewater, flotation reagents in iron mineral processing and defluoridation of water. A detailed characterization of bone char was conducted in the present study. Thermodynamic and kinetics aspects of adsorption using bone char in these systems are presented. The results depict a high affinity of bone char for both organic and inorganic compounds which makes it a potential adsorbent for chemically complex solutions. The adsorption mechanisms are also discussed.


Bone char, calcination, porosity, zeta potential, adsorption, adsorption kinetics, adsorption capacity, isotherm models, pH effect, (In)organic pollutants, dyes, amines, defluoridation.