Adsorption of Textile Wastes Containing Methylene Blue & Congo Red using Activated Carbon Produced from Coconut Shell
Journal Title: International Journal of Computational Engineering and Management IJCEM - Year 2013, Vol 16, Issue 5
Abstract
The use of low-cost, locally available, highly efficient, and eco-friendly adsorbents has been investigated as an ideal alternative to the current expensive methods of removing dyes from waste water. This study investigated the potential use of activated carbon produced from coconut-shell for the removal of two dyes viz: Methylene blue and Congo red from textile effluent obtained from Nichemtex Industries Ltd (NCTX) at Ikorodu, Lagos State. The coconut shells were carbonated and used to produce activated carbon using Zinc Chloride as the activating agent. The effects of contact time, pH, adsorbent dose, temperature were investigated for different particle sizes of 1nm, 50nm, and 500nm mesh-sizes for the removal of both dyes (i.e Methylene blue and Congo red) respectively, and the optimal experimental conditions were ascertained. The results showed that as the amount of the adsorbent increased, the degree of adsorption increased accordingly and equilibrium adsorption was attained in 2hrs (i.e 120mins). The optimum pH for the adsorption of dyes were 8.0, 6.0, and 4.0 for 1nm, 50nm, and 500nm mesh-sizes respectively. Maximum dye was sequestered within 30mins of the start of each experiment.
Authors and Affiliations
Olusegun Sodeinde, Ugba Eboreime
Keywords
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