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Environmental Engineering Research 2010;15(3): 163-166. DOI: https://doi.org/10.4491/eer.2010.15.3.163
Impact of Seepage from Land Treatment of Pulp and Paper Effluent on Water Quality and Aquaculture
W. Wirojanagud1,2, N. Tantemsapaya1, P. Chalokpanrat3, and S. Suwannakom1
1Research Center for Environmental and Hazardous Substance Management, Department of Environmental Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002, Thailand
2National Center of Excellence for Environmental and Hazardous Waste Management, Khon Kaen 40002, Thailand
3Department of Fishery, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
Corresponding Author: W. Wirojanagud ,Tel: +6643202572, Fax: +6643202572, Email: wanpen@kku.ac.th
Received: June 11, 2010;  Accepted: August 19, 2010.
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Pulp and paper mill wastewater has been treated by biological treatment, but the secondary effluent still contains high lignin, chemical oxygen demand, color and total dissolved solids. Tertiary treatment by land application, referred to as ‘Project Green,’ has been implemented to treat such high quantities of undesirable matters. The impacts of seepage from Project Green diffusing into receiving streams on the water quality and fish pen aquaculture were studied via the integration of technical and social approaches. The determination of the water quality was performed for 13 sampling stations along the receiving stream, including the Chot stream, Chot lagoon and the Pong River. The water quality was generally at normal levels, with the exception of total dissolved solids. The levels of matter were higher at the Chot stream, but became more diluted at the Chot lagoon and the Pong River, respectively. The social approach was conducted through the voluntary participation of the villagers as research assistants for the fish aquaculture study. Fish could grow at three fish pens within the study sites at the location of Project Green, the Chot lagoon and the Pong River. Fish growth at the Chot lagoon was better at the site of Project Green and the Pong River. The integration of technical and social approaches was a meaningful tool not only for the technical feasibility but in helping to solve the conflict between the community and industry.
Keywords: Seepage of land treatment | Project Green | Diffuse pollution | Fish pen aquaculture | Water quality
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