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Title: Separation of metals by supported liquid membrane

Abstract

A supported liquid membrane system for the separation of a preselected chemical species within a feedstream, preferably an aqueous feedstream, includes a feed compartment containing a feed solution having at least one preselected chemical species therein, a stripping compartment containing a stripping solution therein, and a microporous polybenzimidazole membrane situated between the compartments, the microporous polybenzimidazole membrane containing an extractant mixture selective for the preselected chemical species within the membrane pores is disclosed along with a method of separating preselected chemical species from a feedstream with such a system, and a supported liquid membrane for use in such a system.

Inventors:
 [1]
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  1. Los Alamos, NM
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
OSTI Identifier:
868292
Patent Number(s):
US 5114579
Assignee:
United States of America as represented by United States (Washington, DC)
DOE Contract Number:  
W-7405-ENG-36
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
separation; metals; supported; liquid; membrane; preselected; chemical; species; feedstream; preferably; aqueous; feed; compartment; containing; solution; therein; stripping; microporous; polybenzimidazole; situated; compartments; extractant; mixture; selective; pores; disclosed; method; separating; compartment containing; stripping solution; feed solution; supported liquid; chemical species; liquid membrane; chemical specie; selected chemical; aqueous feed; membrane containing; /210/

Citation Formats

Takigawa, Doreen Y. Separation of metals by supported liquid membrane. United States: N. p., 1992. Web.
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Takigawa, Doreen Y. Separation of metals by supported liquid membrane. United States.
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Takigawa, Doreen Y. 1992. "Separation of metals by supported liquid membrane". United States. https://www.osti.gov/servlets/purl/868292.
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@article{osti_868292,
title = {Separation of metals by supported liquid membrane},
author = {Takigawa, Doreen Y},
abstractNote = {A supported liquid membrane system for the separation of a preselected chemical species within a feedstream, preferably an aqueous feedstream, includes a feed compartment containing a feed solution having at least one preselected chemical species therein, a stripping compartment containing a stripping solution therein, and a microporous polybenzimidazole membrane situated between the compartments, the microporous polybenzimidazole membrane containing an extractant mixture selective for the preselected chemical species within the membrane pores is disclosed along with a method of separating preselected chemical species from a feedstream with such a system, and a supported liquid membrane for use in such a system.},
doi = {},
url = {https://www.osti.gov/biblio/868292}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Jan 01 00:00:00 EST 1992},
month = {Wed Jan 01 00:00:00 EST 1992}
}
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Works referenced in this record:

A composite supported liquid membrane for ultraclean Co—Ni separations
journal, July 1986

Supported liquid membranes for copper transport
journal, June 1989

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