Improvement on flexibility of water-reusing system with multi-contaminants through changing network structure

FENG Xiao; LIU Yongzhong; DUAN Haitao; ZHANG Tao

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Improvement on flexibility of water-reusing system with multi-contaminants through changing network structure

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- Improvement on flexibility of water-reusing system with multi-contaminants through changing network structure
- CIESC Journal Issue 8, (2006)
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- Online First：25 August 2006，
  
  Published：25 August 2006
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FENG Xiao, LIU Yongzhong, DUAN Haitao, et al. Improvement on flexibility of water-reusing system with multi-contaminants through changing network structure[J]. CIESC Journal, 2006, (8).
DOI：

FENG Xiao, LIU Yongzhong, DUAN Haitao, et al. Improvement on flexibility of water-reusing system with multi-contaminants through changing network structure[J]. CIESC Journal, 2006, (8). DOI：

摘要

水系统集成导致用水过程之间联系紧密、相互作用、相互影响.为了改善系统柔性，可通过改进网络结构提高系统的柔性.对多杂质水回用网络系统的柔性进行了分析，提出了用过程附加控制数和过程连接数同时表征多杂质水回用系统柔性的评价指标，建立了新鲜水耗量最小化、过程附加控制数优化和过程连接数优化的分步优化数学模型，并通过多杂质水网络实例研究了该方法的可行性，得到了具有最小新鲜水耗量、过程附加控制数和过程连接数均最小的水网络结构.

Abstract

The integration of water-reusing system leads to intensive interactions among processes.The flexibility of the system can be improved by changing the water network structure.Regarding the water-reusing network system with multi-contaminants

the flexibility of the system was analyzed in this paper.Two indices

namely additional process control number and process connection number

were put forward and adopted to evaluate the flexibility of the system simultaneously.A stepwise mathematical model was proposed to minimize the amount of fresh water consumption

and optimize the additional process control number and process connection number of the network.In a case study on the water-reusing system with multi-contaminants

the feasibility of the model established in this paper is verified after the water reusing network that has the least amount of fresh water consumption as well as the smallest additional process control number and the smallest process connection number is realized.

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