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Title: | Recalcitran Cibacron Red Dye Adsorption by Locally Sourced Dolomite Adsorbent |
Authors: | Auta, M. Ahmad, M.A. Hameed, B.H. |
Keywords: | Dolomite Calcination Adsorption Cibacron Red dye Characterization |
Issue Date: | 9-Feb-2012 |
Publisher: | The 4th AUN/SEED - Net Regional Conference on Chemical Engineering |
Abstract: | Restorative step towards serene environment collapse was attempted by harnessing potentials of locally available dolomite material from Perak state in Malaysia. The dolomite material was of synthetic textile waste-waters containing reactive Cibacron Red dye (CBD) through batch adsorption studies which yielded a maximum adsorption capacity of 100 mg/g. Pseudo-firstorder and pseudo-second-order kinetic models studies administered on the adsorption process data revealed that both models described the process very well with pseudo-second-order model having an edge over pseudo-first-order model. Langmuir and Freundlich isotherms were suitable representation of the process more than Temkin isotherm model. Thermodynamic studies revealed that the adsorption process was spontaneous and endothermic in nature; and also, entropy of the process increased with increase in temperature of the system. Boundary layer and intra-particle diffusion steps were necessary for the adsorption of CBD on the adsorbent. The locally sourced dolomite adsorbent was found to be very good for removal of CBD from waste-waters and can be used adequately as a cheaper alternative to expensive commercial activated carbon |
URI: | http://repository.futminna.edu.ng:8080/jspui/handle/123456789/17890 |
Appears in Collections: | Chemical Engineering |
Files in This Item:
File | Description | Size | Format | |
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The 4th AUN-SEED-Net Proceeding Book 2012.pdf | Conference | 2.69 MB | Adobe PDF | View/Open |
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