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Industrial wastewater minimization using water pinch analysis: a case study on an old textile plant

Ujang, Zaini and Wong, C. L. and Manan, Z. A. (2002) Industrial wastewater minimization using water pinch analysis: a case study on an old textile plant. Water Science and Technology , 46 (11-12 ). 77-84 . ISSN 0273-1223

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Abstract

Industrial wastewater minimization can be conducted using four main strategies: (i) reuse; (ii) regeneration-reuse; (iii) regeneration-recycling; and (iv) process changes. This study is concerned with (i) and (ii) to investigate the most suitable approach to wastewater minimization for an old textile industry plant. A systematic water networks design using water pinch analysis (WPA) was developed to minimize the water usage and wastewater generation for the textile plant. COD was chosen as the main parameter. An integrated design method has been applied, which brings the engineering insight using WPA that can determine the minimum flowrate of the water usage and then minimize the water consumption and wastewater generation as well. The overall result of this study shows that WPA has been effectively applied using both reuse and regeneration-reuse strategies for the old textile industry plant, and reduced the operating cost by 16% and 50% respectively

Item Type:Article
Uncontrolled Keywords:COD; textile industry; wastewater minimization; water pinch analysis; water usage minimization
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Civil Engineering
ID Code:2781
Deposited By: Ms Zalinda Shuratman
Deposited On:14 May 2007 00:45
Last Modified:01 Jun 2010 03:05

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