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Water use optimization in industry
Expanded Title:The quality and purity specifications of products from pharmaceutical industries require that the cleaning operation of the processing units be strictly controlled. Consequently, large amounts of solvents and cleaning agents are commonly used, thus leading to high liquid waste volume. From these observations, it is desirable to minimize the production of such effluent at worst and eliminate it at best. There are several publications on wastewater minimization techniques for batch processes. However, these are only limited to short term time horizons. Presented in this report is a mathematical formulation that seeks to address this shortcoming. The developed technique has been applied to much longer time horizons with great success. Another gap in the waste minimization techniques batch processes is the inclusion of regeneration option within the recycle and reuse framework. This report also presents a methodology to address the problem of wastewater minimization by extending the concept of water reuse to include a regeneration system. This study systematically presents mathematical formulations and detailed case studies where these techniques have been applied with freshwater savings in excess of 25%
Date Published:01/12/2011
Document Type:Research Report
Document Subjects:Wastewater Management - Industrial
Document Format:Report
Document File Type:pdf
Research Report Type:Standard
WRC Report No:1898/1/11
ISBN No:978-1-4312-0211-9
Authors:Majozi T; Adekola O; Nonyane D
Project No:K5/1898
Document Size:1 083 KB
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