Journal
JOURNAL OF ADVANCED RESEARCH
Volume 4, Issue 6, Pages 479-484Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jare.2012.08.005
Keywords
Photocatalytic degradation; Alizarin cyanin green dye; ZnO; Activated carbon; Synergistic effect
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Funding
- University Grants Commission (UGC), India in form of Major Research Project (MRP)
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The present investigation depicts the development of a simple and low cost method for the removal of color from textile dyeing and printing wastewater using ZnO as photocatalyst supported with porous activated carbon (AC). Photocatalytic degradation studies were carried out for water soluble toxic alizarin cyanin green (ACG) dye in aqueous suspension along with activated carbon (AC) as co-adsorbent. Different parameters like concentration of ACG dye, irradiation time, catalyst concentration and pH have also been studied. The pseudo order kinetic equation was found to be applicable in the present dye-catalyst systems. It was observed that photocatalytic degradation by ZnO along with AC was a more effective and faster mode of removing ACG from aqueous solutions than the ZnO alone. (C) 2012 Cairo University. Production and hosting by Elsevier B.V. All rights reserved.
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