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Water system integration and optimization in a yeast enterprise

Author

Listed:
  • Xu, Xinyi
  • Lv, Zhuming
  • Song, Yun
  • Bin, Lingling

Abstract

Water system integration is an effective way to save freshwater and reduce wastewater in enterprises. Water system integration treats the water system in an enterprise as a whole and utilizes water resources more effectively by optimizing the water utilization network. In this study, water system integration was applied to a yeast enterprise. According to the characteristics of the water utilization processes in the yeast enterprise, the water utilization processes were classified as fixed-load, fixed-flow, no-output flow, and no-input flow processes. Optimization schemes for the no-output flow and no-input flow processes were obtained through qualitative judgment. Optimization schemes for the fixed-load and fixed-flow processes were obtained using a mathematical programming method. Through the adjustment of the water utilization network, it was demonstrated 27% of freshwater consumption could be saved and 23% of the COD could be reduced.

Suggested Citation

  • Xu, Xinyi & Lv, Zhuming & Song, Yun & Bin, Lingling, 2015. "Water system integration and optimization in a yeast enterprise," Resources, Conservation & Recycling, Elsevier, vol. 101(C), pages 96-104.
    • Handle: RePEc:eee:recore:v:101:y:2015:i:c:p:96-104
    DOI: 10.1016/j.resconrec.2015.05.019
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    References listed on IDEAS

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    1. Matijašević, Ljubica & Dejanović, Igor & Spoja, Damjan, 2010. "A water network optimization using MATLAB—A case study," Resources, Conservation & Recycling, Elsevier, vol. 54(12), pages 1362-1367.
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