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Reuse, Treatment, and Discharge of the Concentrate of Pressure-Driven Membrane Processes

Van der Bruggen, Bart, Lejon, Liesbeth, Vandecasteele, Carlo·2003·Environmental Science & Technology

Abstract

Application of pressure-driven membrane processes (microfiltration, ultrafiltration, nanofiltration, and reverse osmosis) results in the generation of a large concentrated waste stream, the concentrate fraction, as a byproduct of the purification process. Treatment of the concentrate is a major hurdle for the implementation of pressure-driven membrane processes since the concentrate is usually unusable and has to be discharged or further treated. This paper reviews possibilities to treat or discharge the concentrate: (i) reuse, (ii) removal of contaminants, (iii) incineration, (iv) direct or indirect discharge in surface water, (v) direct or indirect discharge in groundwater, and (vi) discharge on a landfill. General guidelines are given for the choice of a proper method as a function of the origin and composition of the water treated. Next, the further treatment of the concentrates in four application areas of pressure-driven membrane processes (drinking water industry, leather industry, and membrane treatment of landfill leachates and of textile process waters) is discussed.

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Metadata

Authors
Van der Bruggen, B., Lejon, L., & Vandecasteele, C.
Venue
Environmental Science & Technology
Published
2003-08-02
Volume
37
Issue
17
Pages
3733-3738
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2025090487
Cited by
360
References
0
FWCI
8.93
Type
journal article
Language
en
Open access
closed

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.