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Asian Journal of Research in Chemistry
Year : 2017, Volume : 10, Issue : 4
First page : ( 597) Last page : ( 600)
Print ISSN : 0974-4169. Online ISSN : 0974-4150.
Article DOI : 10.5958/0974-4150.2017.00100.6

Physicochemical analysis and Treatment of Paper Mill Effluents by Chemical Precipitation Method using Different Metal Salt Doses

Qadir Ishtiyak*, Chhipa R.C

Department of Chemistry, Centre for Air and Water Modeling (CAWM), Suresh Gyan Vihar University, Jaipur-302017, India.

*Corresponding Author E-mail: scholarqadir@gmail.com

Online published on 17 October, 2017.

Abstract

This present work has been carried out to study the enhanced efficiency of chemical precipitation treatment for paper mill effluents. After physico-chemical analysis, the chemical precipitation was carried out by using metal salt doses of aluminum chloride, ferric chloride and barium sulphate. The effect of pH and metal salt doses on the precipitation of pollutants was studied. The conditions were optimized in accordance with the removal of pollutants. The removal efficiencies were measured in terms of the reduction in color, total suspended solid (TSS), chemical oxygen demand (COD) and phenols. The pollution reduction has been analyzed and compared with industrial effluent discharge standards as per central pollution control board (CPCB). A comparative study of different metal salts doses of paper mill effluents by the chemical precipitation methods indicated that maximum color reduction, phenol and COD removal was 99.60%, 53.89 and 67.28% respectively for aluminum chloride, barium chloride and ferric chloride.

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Keywords

Chemical precipitation, BOD, COD, TSS, Total phenols, Chromophores.

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