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Separation Science and Technology Volume 35, 2000 - Issue 13
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Original Articles

Removal of Basic Dyes (Rhodamine B and Methylene Blue) from Aqueous Solutions Using Bagasse Fly Ash

VINOD K. GUPTA DEPARTMENT OF CHEMISTRY, UNIVERSITY OF ROORKEE, ROORKEE, UTTAR PRADESH, 247 667, INDIACorrespondence[email protected]
,
DINESH MOHAN DEPARTMENT OF CHEMISTRY, UNIVERSITY OF ROORKEE, ROORKEE, UTTAR PRADESH, 247 667, INDIA
,
SAURABH SHARMA DEPARTMENT OF CHEMISTRY, UNIVERSITY OF ROORKEE, ROORKEE, UTTAR PRADESH, 247 667, INDIA
&
MONICA SHARMA DEPARTMENT OF CHEMISTRY, UNIVERSITY OF ROORKEE, ROORKEE, UTTAR PRADESH, 247 667, INDIA
Pages 2097-2113 | Received 16 Sep 1999, Published online: 15 Feb 2007
 
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Abstract

Bagasse fly ash, a waste generated in sugar industries in India, has been converted into an inexpensive adsorbent material and utilized for the removal of two basic dyes, rhodamine B and methylene blue. Results include the effect of pH, adsorbent dose, dye concentration, and presence of surfactant on the removal of rhodamine B and methylene blue. The adsorption data have been correlated with both Langmuir and Freundlich adsorption models. Thermodynamic parameters obtained indicate the feasibility of the process, and kinetic studies provided the necessary mechanistic information of the removal process.

ACKNOWLEDGMENT

The authors are grateful to the Council of Scientific and Industrial Research, New Delhi, India, for providing financial assistance.

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