Comparative Studies of the Adsorption of Direct Dye on Activated Carbon and Conducting Polymer Composite | Zendy

J. Raffiea Baseri | Zendy; P. N. Palanisamy | Zendy; P. Sivakumar | Zendy

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Comparative Studies of the Adsorption of Direct Dye on Activated Carbon and Conducting Polymer Composite

Author(s) -

J. Raffiea Baseri,

P. N. Palanisamy,

P. Sivakumar

Publication year - 2012

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2012/603196

Subject(s) - adsorption , activated carbon , langmuir adsorption model , composite number , aqueous solution , polymer , chemical engineering , materials science , carbon fibers , chemistry , organic chemistry , composite material , engineering

This study analyses the feasibility of removing Direct Blue 71 from aqueous solution by different adsorbents such as activated carbon (TPAC) and Poly pyrrole polymer composite (PPC) prepared from Thevetia Peruviana. Batch mode adsorption was performed to investigate the adsorption capacities of these adsorbents by varying initial dye concentration, temperature, agitation time and pH. The performance of TPAC was compared with PPC. Among the adsorbents, PPC had more adsorption capacity (88.24%) than TPAC (58.82%) at an initial concentration of 50 mg/L and at 30°C. The experimental data best fitted with pseudo second order kinetic model. The adsorption data fitted well for Langmuir adsorption isotherm. Thermodynamic parameters for the adsorbents were also evaluated. The carbon embedded in conducting polymers matrix show better adsorptive properties than activated carbon

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