Abstract
Dyes are commonly used in textile, paint, paper, plastic, food and cosmetic industries for colouring purpose. Annually around 146000 tonne of dyes are discharged from textile industry itself. These waste water containing lot of dye contents are difficult to degrade. When these industrial effluents reach the environment, they cause mainly water pollution. In the present work, adsorption of Safranine and Amaranth dyes from aqueous solution over activated carbon obtained from cocunut shell(CSC) and palmyra fruit nut shell(PFSC) have been investigated at batch mode experiments. Experimental observations indicate that CSC has greater adsorption capacity of both dyes than PFSC. The kinetic data fitted well with pseudo-second order kinetics and also intra-particle diffusion model.
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