期刊
JOURNAL OF CLEANER PRODUCTION
卷 17, 期 9, 页码 857-862出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2008.12.012
关键词
Mathematical modeling; Optimization; Water networks; Reuse; Industrial processes
资金
- National Petroleum Agency ANP and Financial Agency of Studies and Projects - FINEP [PRH09-ANP/MME/MCT]
Industry is responsible for high water consumption and it has become one of the main sources of water resource deterioration. However, industries are seeking alternatives that minimize the impact of using these natural resources. Some of the alternatives for reducing water consumption involve the reuse and/or recycling of wastewater. This study aims to seek alternatives to optimize water networks, minimize freshwater consumption and/or reduce costs. A non-linear program (NLP) model targeting the minimization of freshwater consumption and/or operating costs was developed. The model is based on the conservation equations of chemical species (contaminants) and mass (water). Options to reduce the cost and consumption of networks with and without regeneration processes are presented. The solutions are identified using a two-step procedure in which cost is optimized while the previously obtained minimum freshwater consumption remains fixed. The results showed excellent agreement with results reported by other authors. (C) 2009 Elsevier Ltd. All rights reserved.
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