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Title: Sorption equilibrium and kinetic studies of Direct Yellow 12 using carbon prepared from bagasse, rice husk and textile waste cloth
Authors: Ravichandran, P
Farzana, M Hasmath
Meenakshi, S
Keywords: Bagasse Carbon
Direct Yellow 12
Dye Removal Capacity
Rice Husk Carbon
Textile Waste Cloth
Issue Date: Mar-2012
Publisher: NISCAIR-CSIR, India
Abstract: This paper reports the sorption study of Direct Yellow12 (DY) to describe the suitability of low cost adsorbents prepared from sugar mill waste bagasse, rice mill waste rice husk and textile industry waste cloths for its effective removal. The adsorption studies have been performed by varying parameters such as adsorbent dosage, pH of the dye solution, contact time and temperature. A significant increase in percentage removal of DY with increase in dosage of all the carbons is observed. The maximum removal of dye is obtained under acidic conditions, in particular, at pH 4. The equilibrium adsorption data obtained are used to calculate Freundlich and Langmuir isotherms and thermodynamic parameters such as ∆Go, ∆Ho, ∆So, Ea and S* are calculated in order to understand the nature of sorption process. The sorption process is found to be controlled by pseudo-second-order and pore diffusion models.
Page(s): 103-110
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-0991 (Online); 0971-457X (Print)
Source:IJCT Vol.19(2) [March 2012]

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