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Title: Great Salt Lake Composition and Rare Earth Speciation Analysis

Abstract

We have conducted aqueous speciation analyses of the Great Salt Lake (GSL) brine sample (Table 1) and a mock geo sample (Table 2) spiked with 1 ppb Tb and 100 ppb Tb. The GSL speciation (Figure 1) aligns with our basic speciation expectations that strong carbonate complexes would form at mid to higher pH's. Although we expected strong aqueous complexes with fluorides at neutral pH and with chlorides, and hydroxides at low pH, we observe that the dominant species in the low to mid pH range to be Tb3+ as a free ion. Still, we do see the presence of fluoride and chloride complexes within the expected low to mid pH range.

Authors:
; ;
Publication Date:
Other Number(s):
962
DOE Contract Number:  
LLNL FY17 AOP 2.5.1.12
Research Org.:
USDOE Geothermal Data Repository (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Geothermal Technologies Program (EE-2C)
Collaborations:
Lawrence Livermore National Laboratory
Subject:
15 Geothermal Energy
Keywords:
geothermal; energy; rare earth; adsorption; biosorption; GSL; Speciation; terbium; tb; great salt lake; REE; element; aqueous; chemistry; brine
Geolocation:
45.855016802971, (-112.0591390625
OSTI Identifier:
1452717
DOI:
https://doi.org/10.15121/1452717
Project Location:

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Citation Formats

Jiao, Yongqin, Lammers, Laura, and Brewer, Aaron. Great Salt Lake Composition and Rare Earth Speciation Analysis. United States: N. p., 2017. Web. doi:10.15121/1452717.
Jiao, Yongqin, Lammers, Laura, & Brewer, Aaron. Great Salt Lake Composition and Rare Earth Speciation Analysis. United States. doi:https://doi.org/10.15121/1452717
Jiao, Yongqin, Lammers, Laura, and Brewer, Aaron. 2017. "Great Salt Lake Composition and Rare Earth Speciation Analysis". United States. doi:https://doi.org/10.15121/1452717. https://www.osti.gov/servlets/purl/1452717. Pub date:Wed Apr 19 00:00:00 EDT 2017
@article{osti_1452717,
title = {Great Salt Lake Composition and Rare Earth Speciation Analysis},
author = {Jiao, Yongqin and Lammers, Laura and Brewer, Aaron},
abstractNote = {We have conducted aqueous speciation analyses of the Great Salt Lake (GSL) brine sample (Table 1) and a mock geo sample (Table 2) spiked with 1 ppb Tb and 100 ppb Tb. The GSL speciation (Figure 1) aligns with our basic speciation expectations that strong carbonate complexes would form at mid to higher pH's. Although we expected strong aqueous complexes with fluorides at neutral pH and with chlorides, and hydroxides at low pH, we observe that the dominant species in the low to mid pH range to be Tb3+ as a free ion. Still, we do see the presence of fluoride and chloride complexes within the expected low to mid pH range.},
doi = {10.15121/1452717},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2017},
month = {4}
}