Interplant Water Networks Coupled with Two-Stage Treatment and ZLD Options

Sabla Y. Alnouri, Patrick Linke, Mahmoud M. El-Halwagi

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Zero Liquid Discharge (ZLD) systems are being implemented by many industrial processes, primarily for end-of-pipe treatment, due to severe regulations put into practice for industrial wastewater discharge. A ZLD system mainly involves the use of advanced treatment methods, through which industrial brine wastewater is essentially reduced to dry solids/salts. When closely observing standard wastewater treatment technologies, conventional systems often result in brine waste, towards the very end of all processing stages. Brine may then be transformed into salts/bitterns via additional brine-to-salt processing, by incorporating ZLD techniques. Some ZLD technologies may result in the recovery of additional water streams alongside the process. Since ZLD systems can be integrated onto interplant water network systems either as central or distributed units, assessing the presence of both scenarios allow for cost-optimal designs to be identified. In addition, any water streams recovered in conjunction with ZLD processing must be appropriately accounted for. Hence, this work attempts to integrate ZLD processing options onto a previously developed representation for interplant water network design (Alnouri et al., 2014; Alnouri et al., 2015). To facilitate the quantification of brine-to-salt processing, all wastewater treatment options have been represented using two distinct stages: Stage 1 consists of treatment options that result in no brine discharge, while Stage 2 involves treatment options that achieve contamination removal in the form of a brine wastewater stream. Cutting down brine discharge may be achieved by sending brine wastewater streams produced by Stage 2 treatment units for further ZLD processing. In order to illustrate the proposed approach from a water network design perspective, a case study which compares the network performance achieved with and without the integration of ZLD options, is presented.

Original languageEnglish
Title of host publicationComputer Aided Chemical Engineering
PublisherElsevier B.V.
Pages2683-2688
Number of pages6
DOIs
Publication statusPublished - 1 Oct 2017

Publication series

NameComputer Aided Chemical Engineering
Volume40
ISSN (Print)1570-7946

Fingerprint

Discharge (fluid mechanics)
Water
Liquids
Wastewater
Processing
Salts
Wastewater treatment
brine
Network performance
Contamination
Pipe
Recovery

Keywords

  • Industrial City
  • Network Design
  • Water Integration
  • Zero Liquid Discharge

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Computer Science Applications

Cite this

Alnouri, S. Y., Linke, P., & El-Halwagi, M. M. (2017). Interplant Water Networks Coupled with Two-Stage Treatment and ZLD Options. In Computer Aided Chemical Engineering (pp. 2683-2688). (Computer Aided Chemical Engineering; Vol. 40). Elsevier B.V.. https://doi.org/10.1016/B978-0-444-63965-3.50449-9

Interplant Water Networks Coupled with Two-Stage Treatment and ZLD Options. / Alnouri, Sabla Y.; Linke, Patrick; El-Halwagi, Mahmoud M.

Computer Aided Chemical Engineering. Elsevier B.V., 2017. p. 2683-2688 (Computer Aided Chemical Engineering; Vol. 40).

Research output: Chapter in Book/Report/Conference proceedingChapter

Alnouri, SY, Linke, P & El-Halwagi, MM 2017, Interplant Water Networks Coupled with Two-Stage Treatment and ZLD Options. in Computer Aided Chemical Engineering. Computer Aided Chemical Engineering, vol. 40, Elsevier B.V., pp. 2683-2688. https://doi.org/10.1016/B978-0-444-63965-3.50449-9
Alnouri SY, Linke P, El-Halwagi MM. Interplant Water Networks Coupled with Two-Stage Treatment and ZLD Options. In Computer Aided Chemical Engineering. Elsevier B.V. 2017. p. 2683-2688. (Computer Aided Chemical Engineering). https://doi.org/10.1016/B978-0-444-63965-3.50449-9
Alnouri, Sabla Y. ; Linke, Patrick ; El-Halwagi, Mahmoud M. / Interplant Water Networks Coupled with Two-Stage Treatment and ZLD Options. Computer Aided Chemical Engineering. Elsevier B.V., 2017. pp. 2683-2688 (Computer Aided Chemical Engineering).
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