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Environmental Engineering Research 2002;7(2): 75-84. DOI: https://doi.org/10.4491/eer.2002.7.2.075
A CASE STUDY ON WASTE MINIMIZATION AND WASTEWATER TREATMENT IN STARCH AND NOODLE FACTORIES
L. Shu1, Seunghwan Lee2, and V. Jegatheesan3
1Water Dept., School of Civil and Environmental Engineering University of New South Wales, Sydney, NSW 2051, Australia
2School of Civil and Environmental Engineering, Kumoh National University of Technology, Kumi 730-701, Korea
3Environmental Engineering Group, Faculty of Engineering, University of Technology, Sydney, P.O.Box 123, Broadway, NSW 2007, Australia
Corresponding Author: Seunghwan Lee ,Tel: +82-54-467-4240, Fax: +82-54-467-4050, Email: dlee@kumoh.ac.kr
Received: December 14, 2001;  Accepted: April 13, 2002.
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ABSTRACT
A medium scale Mung Bean starch factory was taken in this study to assess the pollution caused by various streams in starch and noodle factories, and to provide the basic information for wastewater management in them. This study shows that the wastewater from starch processing unit with 46 — 54 tons production capacity is the main polluting source, contained high values of CODr and SS. Also the specific water consumption to process one ton Mung Bean in 16 — 25 m3 is higher than theoretically required one. Methods have been proposed for minimizing and treating the wastewater produced by the factory to overcome the pollution problems. One of the alternatives is to use water in a controlled way by marking optimum flow rates on the tab valves, in which water consumption can be brought down. However, bio-treatability of wastewater can be used for treating the total wastewater due to the suitability in characteristics.
Keywords: starch factory | wastewater treatment and management | water consumption
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