Original Research Article
Year: 2017 | Month: Jan.-March | Volume: 1 | Issue: 1 | Pages: 53-58
Organic Matter Reduction by Adsorption: Comparative Studies with an Investigation on Affecting Parameters and Isotherms
Seed Info-tech Pvt. Ltd., Vashi, Navi Mumbai, Maharashtra, India Pin code: 400703
Organic matter removal from waste water is principle purpose behind treatment operations. Organic matter, if present in wastewater, reduces dissolved oxygen and forces the waster contaminants to undergo anaerobic decomposition. The treatment for organic matter removal can be carried out by various physical, chemical and biological methods, in combination or separately. The most important methods in biological and physic-chemical category are activated sludge process and adsorption. The adsorption with low cost adsorbents is feasible and economical method. In current research, three adsorbents namely, commercial activated carbon(AC), leaf litter derived adsorbent(LLDA)and wood charcoal derived adsorbent(WCDA) are used for studying their ability to removal organic matter measured as chemical oxygen demand(COD) and biological oxygen demand( BOD) from wastewater. The studies were carried out for parameters such as contact time, adsorbent dose and pH. With adsorbent dose and contact time, the adsorption increased for initial increase and then remained constant. The pH value of 6 provided best results for all three adsorbents.
Key words:Adsorbents, organic matter, contact time, concentration, isotherm, biological oxygen demand.[PDF Full Text]