Process Systems Engineering

Multilevel strategies for the retrofit of large-scale industrial water system: A brewery case study

  1. Hella Tokos1,
  2. Zorka Novak Pintarič2,
  3. Yongrong Yang1,*,
  4. Zdravko Kravanja2

Article first published online: 20 JUN 2011

DOI: 10.1002/aic.12618

Issue

AIChE Journal

AIChE Journal

Volume 58, Issue 3, pages 884–898, March 2012

Additional Information

How to Cite

Tokos, H., Pintarič, Z. N., Yang, Y. and Kravanja, Z. (2012), Multilevel strategies for the retrofit of large-scale industrial water system: A brewery case study. AIChE J., 58: 884–898. doi: 10.1002/aic.12618

Author Information

  1. 1

    State Key Laboratory of Chemical Engineering, Dept of Chemical and Biochemical Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, P.R. China

  2. 2

    University of Maribor, Faculty of Chemistry and Chemical Engineering, Smetanova 17, SI–2000 Maribor, Slovenia

*State Key Laboratory of Chemical Engineering, Dept of Chemical and Biochemical Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, P.R. China

Publication History

  1. Issue published online: 6 FEB 2012
  2. Article first published online: 20 JUN 2011
  3. Accepted manuscript online: 21 MAR 2011 10:38AM EST
  4. Manuscript Revised: 2 MAR 2011
  5. Manuscript Received: 11 DEC 2010

Funded by

  • National Natural Science Foundations of China. Grant Number: 21076180
  • Slovenian Ministry of Higher Education, Science and Technology. Grant Number: P2-0032

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Keywords:

  • water reuse;
  • regeneration reuse;
  • industrial application;
  • retrofit;
  • MINLP

Abstract

This article presents an approach to designing a large-scale water system, which integrates water-using operations and wastewater treatment units in different production sections within the same network. This approach uses a mixed-integer nonlinear programming (MINLP) model for water reuse and regeneration reuse in batch and semicontinuous processes. The application of this mathematical formulation to large-scale industrial problems with changing daily production schedule leads to huge and complex mathematical models. Two alternative multilevel strategies are proposed to solve such problems by means of temporal decomposition. The approach is illustrated with a brewery case study that integrates water consumers in two production sections. The results obtained show that, despite the high piping cost, integration of both sections yields better result than the separate water network design in each section. © 2011 American Institute of Chemical Engineers AIChE J, 2012

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