Removal of Malachite Green from Aqueous Solution by Activated Carbon Developed from Cocoa (Theobroma Cacao) Shell ‐ A Kinetic and Equilibrium Studies | Zendy

C. Theivarasu | Zendy; S. Mylsamy | Zendy

Open Access

Removal of Malachite Green from Aqueous Solution by Activated Carbon Developed from Cocoa (Theobroma Cacao) Shell ‐ A Kinetic and Equilibrium Studies

Author(s) -

C. Theivarasu,

S. Mylsamy

Publication year - 2011

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2011/714808

Subject(s) - chemistry , activated carbon , adsorption , theobroma , malachite green , freundlich equation , langmuir , aqueous solution , kinetic energy , shell (structure) , chromatography , nuclear chemistry , chemical engineering , organic chemistry , botany , composite material , physics , materials science , engineering , biology , quantum mechanics

The removal of malachite green (MG) by cocoa (Theobroma cacao) shell activated carbon (CSAC) was investigated in present study. Adsorption studies were performed by batch experiments as a function of process parameters such as initial pH, contact time, initial concentration and adsorbent dose. A comparison of kinetic models applied to the adsorption of MG on CSAC was evaluated for the pseudo-first order and pseudo-second order kinetic models. Results showed that the pseudo-second order kinetic model was found to correlate the experimental data well. The experimental equilibrium adsorption data was represented with Langmuir, Freundlich, Tempkin, Dubinin-Radushkevich and Flory-Huggins isotherms. The experimental data obtained in the present study indicated that activated carbon developed from cocoa shell can be attractive options for dye removal from waste water.

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