Paper Information

Journal:   JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)   FEBRUARY 2011 , Volume 8 , Number SUPPLEMENT; Page(s) 67 To 76.
 
Paper: 

REMOVAL OF MALACHITE GREEN FROM DYE WASTEWATER USING MESOPOROUS CARBON ADSORBENT

 
Author(s):  ANBIA M.*, GHAFFARI A.
 
* RESEARCH LABORATORY OF NANOPOROUS MATERIALS, FACULTY OF CHEMISTRY, UNIVERSITY OF SCIENCE AND TECHNOLOGY, NARMAK, TEHRAN 16846, IRAN
 
Abstract: 

Mesoporous carbon was synthesized for the removal of a cationic dye malachite green (MG) from aqueous solution. The studies were carried out under various experimental conditions such as contact time, dye concentration, adsorption dose and pH to assess the potentiality of mesoporous carbon for the removal of malachite green dye from wastewater. The sorption equilibrium was reached within 30 min. In order to determine the adsorption capacity, the sorption data were analyzed using linear form of Langmuir and Freundlich equation. Langmuir equation showed higher conformity than Freundlich equation. More than 99% removal of MG was reached at the optimum pH value of 8.5. From kinetic experiments, it was concluded that the sorption process followed the pseudo-first-order kinetic model. This study showed that mesoporous carbon can be recommended as an excellent adsorbent at high pH values.

 
Keyword(s): ADSORPTION ISOTHERM, KINETIC STUDY, MALACHITE GREEN DYE, MESOPOROUS CARBON ADSORBENT
 
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