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040			_aMAIN
041			_aEnglish
100			_aBasu, Jayanta Kumar _963677
245			_aApplication of Statistical Design Approach to Develop a Low Cost Activated Carbon for the Removal of Textile Dye Direct Blue-86 / _cJayanta Kumar Basu & Monal Dutta
520			_aAn activated carbon was prepared by carbonization of Acacia Auriculiformis scrap wood followed by activation through microwave heating. The carbonization process was optimized through response surface methodology with three independent process variables such as carbonization temperature, carbonization time and nitrogen flowrate. The optimum values of these variables were found to be 750 °C, of 3.5 h and of 300 ml/min respectively. The activated carbon was used for the removal of direct blue-86 dye from its aqueous solution. The adsorption kinetics was fitted well with pseudo second order rate model. The equilibrium data was well described by Langmuir isotherm and the corresponding monolayer adsorption capacity was found to be 476.19 mg/g. The changes in standard Gibbs free energy, enthalpy and entropy were determined as 8.58, 16.14 kJ/mol and 24.61 kJ/mol. The value of activation energy was found to be 16.6 kJ/mol
650			_aActivated carbon _963678
650			_aCarbonization _963679
700			_aDutta, Monal _4Co-Author _963680
773	0		_08774 _912504 _dNew Delhi : Serials Publications, 2004. _oJ000306 _tInternational Journal of Environment & Development _x09733574
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