Research Article Open Access

LOW COST ADSORBENT FOR REDUCING ORGANIC COMPONENTS

Abstract

The use of low cost activated carbon derived from coconut shell (Cocus Nuciferia), an agricultural waste, has been investigated as a replacement for the current expensive methods of reduction of COD from distillery spent wash. The present study was undertaken to compare the adsorption efficiency of activated carbon prepared from coconut shell (CSC), which is waste and commercial activated carbon (CAC) with respect to uptake of the organic components responsible for the chemical oxygen demand (COD) of industrial wastewater. The adsorption process was examined in terms of its equilibria and kinetics. The effects of pH, contact time and adsorbent dose were investigated. The most effective pH was found to be 5 for CSC and 6 for CAC. The equilibrium data for COD removal fitted the Linear, Langmuir and Freundlich models.

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