Separation of metals by supported liquid membrane

Patent · Wed Jan 01 00:00:00 EST 1992

OSTI ID:868292

Takigawa, Doreen Y ^[1]

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1. Los Alamos, NM

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.

• Research Organization: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
• DOE Contract Number: W-7405-ENG-36
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 5114579
• OSTI ID: 868292
• Country of Publication: United States
• Language: English

Related Subjects

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
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