Removal of Direct Yellow-12 Dye from Water by Adsorption on Activated Carbon Prepared fromFicus RacemosaL. | Zendy

G. Revathi | Zendy; Sandeep Ramalingam | Zendy; P. Subramaniam | Zendy; A. Ganapathi | Zendy

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Removal of Direct Yellow-12 Dye from Water by Adsorption on Activated Carbon Prepared fromFicus RacemosaL.

Author(s) -

G. Revathi,

Sandeep Ramalingam,

P. Subramaniam,

A. Ganapathi

Publication year - 2011

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2011/902421

Subject(s) - ficus , adsorption , activated carbon , carbon fibers , chemistry , botany , materials science , organic chemistry , biology , composite material , composite number

The adsorption of direct yellow-12 dye (DY-12) by Atti leaf (Ficus racemosa) powder carbon (ATC) was carried out by varying the parameters such as agitation time, dye concentration, adsorbent dose, pH and temperature. Equilibrium adsorption data followed both Langmuir and Freundlich isotherms. Adsorption followed second-order kinetics. The adsorption capacity was found to be 6.7 mg dye per gram of the adsorbent. Acidic pH was favorable for the adsorption of DY-12. Desorption studies suggest that chemisorptions might be the major mode of adsorption.

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