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Effective use of ferrous sulfate and alum as a coagulant in treatment of dairy industry wastewater

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Title: Effective use of ferrous sulfate and alum as a coagulant in treatment of dairy industry wastewater

Authors: Kokila A. Parmar, Sarju Prajapati, Rinku Pate, Yogesh Dabhi

Journal: ARPN Journal of Engineering and Applied Sciences

HEC Recognition History
Category From To
Y 2023-07-01 2024-09-30
Y 2022-07-01 2023-06-30
Y 2021-07-01 2022-06-30
X 2020-07-01 2021-06-30

Publisher: Khyber Medical College, Peshawar

Country: Pakistan

Year: 2011

Volume: 6

Issue: 9

Language: English

Categories
Coagulation (47) Dairy Industry (17) Environmental Engineering (2142) Wastewater Treatment (172) Water Treatment (460)

Abstract

Dairy plants need usually large quantities of clean water. More than 90% of clean water is converted into wastewater demonstrating very high potential risk of environmental pollution. The present study was undertaken to compare, under the same analytical conditions, the efficiency of ferrous sulfate and alum used as coagulant in chemical treatment of raw wastewater collected from dairy plant. Results of visual and physicochemical evaluation of chemically treated wastewater indicated significant improvement of their selected characteristics, however different response to the coagulant treatment was observed within the tested samples. Removal efficiencies for individual parameters varied in the wide range between 20.9 and 97.2%.

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