Coagulation and flocculation were found to be effective in alleviating pollution problems caused by sludge from textile industry. Composite samples of the sludge were characterized using some parameters like pH, solids concentrations, oxygen demand, nitrogen, phosphorus and total bacteria counts. Samples were treated by coagulation and flocculation using alum, iron (III) chloride, lime, and polyelectrolyte. It was found that the method is effective in the treatment of sludge from the textile industry. Lime as a conditioner offers the best alternative for the treatment of sludge from textile factory. Its advantages over others are due to its complete odour prevention, disinfecting action, increase in the agricultural values of the sludge solids and its ability to neutralize heavy metals if present. Polyelectrolyte was found to be more effective in BOD and COD reductions. The percentage reductions were 92.6 and 92.8 respectively. Polyelectrolyte conditioned sludge were also observed to have less quantity of sludge solids (about 5% increase) as compared to the 15-30% increase recorded by other conditioners. pH was found to have a major influence on the stabilization of the sludge.

Treatment of textile sludge by coagulation and flocculation processes

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.