Isotope and ion selectivity in reverse osmosis desalination: Geochemical tracers for man-made freshwater

Wolfram Kloppmann; Avner Vengosh; Catherine Guerrot; Romain Millot; Irena Pankratov

doi:10.1021/es7028894

Isotope and ion selectivity in reverse osmosis desalination: Geochemical tracers for man-made freshwater

Wolfram Kloppmann, Avner Vengosh, Catherine Guerrot, Romain Millot, Irena Pankratov

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

40 Scopus citations

Abstract

A systematic measurement of ions and ²H/¹H, ⁷Li/⁶Li, ¹¹B/¹⁰B, ¹⁸O/¹⁶O, and ⁸⁷Sr/⁸⁶Sr isotopes in feed-waters, permeates, and brines from commercial reverse osmosis (RO) desalination plants in Israel (Ashkelon, Eilat, and Nitzana) and Cyprus (Larnaca) reveals distinctive geochemical and isotopic fingerprints of fresh water generated from desalination of seawater (SWRO) and brackish water (BWRO). The degree of isotope fractionation during the passage of water and solutes through the RO membranes depends on the medium (solvent-water vs. solutes), chemical speciation of the solutes, their charge, and their mass difference. O, H, and Sr isotopes are not fractionated during the RO process. ⁷Li is preferentially rejected in low pH RO, and B isotope fractionation depends on the pH conditions. Under low pH conditions, B isotopes are not significantly fractionated, whereas at high pH, RO permeates are enriched by 20‰ in ¹¹B due to selective rejection of borate ion and preferential permeation of ¹¹B-enriched boric acid through the membrane. The specific geochemical and isotopic fingerprints of SWRO provide a unique tool for tracing "man-made" fresh water as an emerging recharge component of natural water resources.

Original language	English
Pages (from-to)	4723-4731
Number of pages	9
Journal	Environmental Science and Technology
Volume	42
Issue number	13
DOIs	https://doi.org/10.1021/es7028894
State	Published - 1 Jul 2008
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
Environmental Chemistry

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1021/es7028894

Cite this

@article{ce7a11c3fc1942fe91bc57c4483687ba,

title = "Isotope and ion selectivity in reverse osmosis desalination: Geochemical tracers for man-made freshwater",

abstract = "A systematic measurement of ions and 2H/1H, 7Li/6Li, 11B/10B, 18O/16O, and 87Sr/86Sr isotopes in feed-waters, permeates, and brines from commercial reverse osmosis (RO) desalination plants in Israel (Ashkelon, Eilat, and Nitzana) and Cyprus (Larnaca) reveals distinctive geochemical and isotopic fingerprints of fresh water generated from desalination of seawater (SWRO) and brackish water (BWRO). The degree of isotope fractionation during the passage of water and solutes through the RO membranes depends on the medium (solvent-water vs. solutes), chemical speciation of the solutes, their charge, and their mass difference. O, H, and Sr isotopes are not fractionated during the RO process. 7Li is preferentially rejected in low pH RO, and B isotope fractionation depends on the pH conditions. Under low pH conditions, B isotopes are not significantly fractionated, whereas at high pH, RO permeates are enriched by 20‰ in 11B due to selective rejection of borate ion and preferential permeation of 11B-enriched boric acid through the membrane. The specific geochemical and isotopic fingerprints of SWRO provide a unique tool for tracing {"}man-made{"} fresh water as an emerging recharge component of natural water resources.",

author = "Wolfram Kloppmann and Avner Vengosh and Catherine Guerrot and Romain Millot and Irena Pankratov",

year = "2008",

month = jul,

day = "1",

doi = "10.1021/es7028894",

language = "English",

volume = "42",

pages = "4723--4731",

journal = "Environmental Science and Technology",

issn = "0013-936X",

publisher = "American Chemical Society",

number = "13",

}

TY - JOUR

T1 - Isotope and ion selectivity in reverse osmosis desalination

T2 - Geochemical tracers for man-made freshwater

AU - Kloppmann, Wolfram

AU - Vengosh, Avner

AU - Guerrot, Catherine

AU - Millot, Romain

AU - Pankratov, Irena

PY - 2008/7/1

Y1 - 2008/7/1

N2 - A systematic measurement of ions and 2H/1H, 7Li/6Li, 11B/10B, 18O/16O, and 87Sr/86Sr isotopes in feed-waters, permeates, and brines from commercial reverse osmosis (RO) desalination plants in Israel (Ashkelon, Eilat, and Nitzana) and Cyprus (Larnaca) reveals distinctive geochemical and isotopic fingerprints of fresh water generated from desalination of seawater (SWRO) and brackish water (BWRO). The degree of isotope fractionation during the passage of water and solutes through the RO membranes depends on the medium (solvent-water vs. solutes), chemical speciation of the solutes, their charge, and their mass difference. O, H, and Sr isotopes are not fractionated during the RO process. 7Li is preferentially rejected in low pH RO, and B isotope fractionation depends on the pH conditions. Under low pH conditions, B isotopes are not significantly fractionated, whereas at high pH, RO permeates are enriched by 20‰ in 11B due to selective rejection of borate ion and preferential permeation of 11B-enriched boric acid through the membrane. The specific geochemical and isotopic fingerprints of SWRO provide a unique tool for tracing "man-made" fresh water as an emerging recharge component of natural water resources.

AB - A systematic measurement of ions and 2H/1H, 7Li/6Li, 11B/10B, 18O/16O, and 87Sr/86Sr isotopes in feed-waters, permeates, and brines from commercial reverse osmosis (RO) desalination plants in Israel (Ashkelon, Eilat, and Nitzana) and Cyprus (Larnaca) reveals distinctive geochemical and isotopic fingerprints of fresh water generated from desalination of seawater (SWRO) and brackish water (BWRO). The degree of isotope fractionation during the passage of water and solutes through the RO membranes depends on the medium (solvent-water vs. solutes), chemical speciation of the solutes, their charge, and their mass difference. O, H, and Sr isotopes are not fractionated during the RO process. 7Li is preferentially rejected in low pH RO, and B isotope fractionation depends on the pH conditions. Under low pH conditions, B isotopes are not significantly fractionated, whereas at high pH, RO permeates are enriched by 20‰ in 11B due to selective rejection of borate ion and preferential permeation of 11B-enriched boric acid through the membrane. The specific geochemical and isotopic fingerprints of SWRO provide a unique tool for tracing "man-made" fresh water as an emerging recharge component of natural water resources.

UR - http://www.scopus.com/inward/record.url?scp=46849113193&partnerID=8YFLogxK

U2 - 10.1021/es7028894

DO - 10.1021/es7028894

M3 - Article

AN - SCOPUS:46849113193

SN - 0013-936X

VL - 42

SP - 4723

EP - 4731

JO - Environmental Science and Technology

JF - Environmental Science and Technology

IS - 13

ER -

Isotope and ion selectivity in reverse osmosis desalination: Geochemical tracers for man-made freshwater

Abstract

ASJC Scopus subject areas

UN SDGs

Access to Document

Other files and links

Fingerprint

Cite this