Electrodialysis of brine solutions discharged from an RO plant

E. Korngold; L. Aronov; N. Daltrophe

doi:10.1016/j.desal.2008.04.008

Electrodialysis of brine solutions discharged from an RO plant

E. Korngold, L. Aronov, N. Daltrophe

Zuckerberg Institute for Water Research

Research output: Contribution to journal › Article › peer-review

122 Scopus citations

Abstract

Electrodialysis (ED) experiments were carried out on RO brine solutions, saturated with CaSO₄ and or silica with the aim to increase their concentrations from 1.5 to 10%, thus reducing both effluent volume and disposal costs. A pilot plant ED unit was built in which the brine circulating through the ED brine cells passed through a separate CaSO₄ precipitator containing gypsum seeds. The feed to the ED unit was the brine discharged from the RO unit, which was operating on brackish water from Mashabei-Sadeh. The salt concentration of the ED feed was reduced to 18-20 mN and was then mixed with the RO permeate.

Original language	English
Pages (from-to)	215-227
Number of pages	13
Journal	Desalination
Volume	242
Issue number	1-3
DOIs	https://doi.org/10.1016/j.desal.2008.04.008
State	Published - 1 Jun 2009

Keywords

Brine discharged
Electrodialysis
Gypsum seeding

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
General Materials Science
Water Science and Technology
Mechanical Engineering

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10.1016/j.desal.2008.04.008

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title = "Electrodialysis of brine solutions discharged from an RO plant",

abstract = "Electrodialysis (ED) experiments were carried out on RO brine solutions, saturated with CaSO4 and or silica with the aim to increase their concentrations from 1.5 to 10%, thus reducing both effluent volume and disposal costs. A pilot plant ED unit was built in which the brine circulating through the ED brine cells passed through a separate CaSO4 precipitator containing gypsum seeds. The feed to the ED unit was the brine discharged from the RO unit, which was operating on brackish water from Mashabei-Sadeh. The salt concentration of the ED feed was reduced to 18-20 mN and was then mixed with the RO permeate.",

keywords = "Brine discharged, Electrodialysis, Gypsum seeding",

author = "E. Korngold and L. Aronov and N. Daltrophe",

note = "Funding Information: The research was supported by a grant from German-Israel research program (BMBF).We thank .Y Oren and . Gilron for their scientific advises and M. Weissman and Ygal Volkman for preparing RO brine. We also thank .P Martin for editing the manuscript.",

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AU - Korngold, E.

AU - Aronov, L.

AU - Daltrophe, N.

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AB - Electrodialysis (ED) experiments were carried out on RO brine solutions, saturated with CaSO4 and or silica with the aim to increase their concentrations from 1.5 to 10%, thus reducing both effluent volume and disposal costs. A pilot plant ED unit was built in which the brine circulating through the ED brine cells passed through a separate CaSO4 precipitator containing gypsum seeds. The feed to the ED unit was the brine discharged from the RO unit, which was operating on brackish water from Mashabei-Sadeh. The salt concentration of the ED feed was reduced to 18-20 mN and was then mixed with the RO permeate.

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Electrodialysis of brine solutions discharged from an RO plant

Abstract

Keywords

ASJC Scopus subject areas

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