Volume No. 3 Issue No.: 3 Page No.: 807-816 Jan-Mar 2009

 

APPLICATION OF ACID TREATED WATER NUT ACTIVATED CARBON FOR REMOVAL OF MALACHITE-GREEN FROM INDUSTRIAL WASTE WATER BY COLUMN OPERATION

 

Pijush Kanti Mondal* and Rais Ahmad

Environmental Research laboratory, Department of Applied Chemistry, Aligarh Muslim University , Aligarh 202 002, UP, (INDIA)

 

Received on : November 10, 2008

 

ABSTRACT

 

The water nut activated carbon (WNAC) has been employed as adsorbent for the removal of Malachite green dye from waste water. The nature of possible adsorbent and dye interaction was examined by the FTIR and SEM technique. The adsorption of MG was found to be maximum (91%) at pH 8. The extent of removal of MG was found to be dependent on adsorbent dose, temperatures and times. Thermodynamic parameters (?H0 and ?G0) suggest endothermic and spontaneous process. Kinetic studies show better applicability of second order kinetic model. The practical utility of WNAC was demonstrated by removing MG from pure solution and industrial effluent system by column process. It was found that removal efficiency of WNAC was better by pure solution. The breakthrough capacities of pure solution and industrial effluent systems on WNAC are found to be 40 and 25 mg/g, respectively.

 

Keywords : Biosorption, Characterization, Kinetics, Breakthrough capacity.

 

 

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