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Sludge refers to solid waste extracted in the process of sewage treatment which incorporates physical, chemical and biological processes to treat and remove contaminants from water. In many industry processes, only certain components of the raw material have been extracted and used for making the commodity. However, the majority solid waste may still include the ingredient which is needed for making other commodities. In this thesis, we apply AHP to decide the best way of sewage treatment in a company.
Key Words : effluent、reuse
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