Title: Process for recovering pertechnetate ions from an aqueous solution also containing other ions

Abstract

A solid/liquid process for the separation and recovery of TcO.sub.4.sup.-1 ions from an aqueous solution is disclosed. The solid support comprises separation particles having surface-bonded poly(ethylene glycol) groups; whereas the aqueous solution from which the TcO.sub.4.sup.-1 ions are separated contains a poly(ethylene glycol) liquid/liquid biphase-forming amount of a dissolved salt. A solid/liquid phase admixture of separation particles containing bound TcO.sub.4.sup.-1 ions in such an aqueous solution that is free from MoO.sub.4.sup.-2 ions is also contemplated, as is a chromatography apparatus containing that solid/liquid phase admixture.

Inventors:

Rogers, Robin ^[1]; Horwitz, E Philip ^[2]; Bond, Andrew H ^[3]

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1. DeKalb, IL
2. Naperville, IL
3. Tallahassee, FL

Issue Date:

1997-01-01

Research Org.:

Argonne National Lab. (ANL), Argonne, IL (United States)

OSTI Identifier:

870837

Patent Number(s):

5603834

Assignee:

Arch Development Corp. (Chicago, IL); Board of Regents for Northern Illinois University (DeKalb, IL)

Patent Classifications (CPCs):

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION

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B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

B01J20/3204 - {Inorganic carriers, supports or substrates}
B01J20/3212 - {consisting of a polymer obtained by reactions otherwise than involving only carbon to carbon unsaturated bonds}
B01J20/3227 - {by end-capping, i.e. with or after the introduction of functional or ligand groups}
B01J20/3219 - {involving a particular spacer or linking group, e.g. for attaching an active group}
B01J20/321 - {consisting of a polymer obtained by reactions involving only carbon to carbon unsaturated bonds}
B01J20/3276 - {Copolymers}

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION

B01D15/08 - Selective adsorption, e.g. chromatography

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

B01J20/3278 - {Polymers being grafted on the carrier}
B01J20/3272 - {Polymers obtained by reactions otherwise than involving only carbon to carbon unsaturated bonds}

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DOE Contract Number:  

W-31109-ENG-38

Resource Type:

Patent

Country of Publication:

United States

Language:

English

Subject:

process; recovering; pertechnetate; aqueous; solution; containing; solid; liquid; separation; recovery; tco; -1; disclosed; support; comprises; particles; surface-bonded; poly; ethylene; glycol; separated; contains; biphase-forming; amount; dissolved; salt; phase; admixture; bound; free; moo; -2; contemplated; chromatography; apparatus; separation particles; ethylene glycol; solid support; particles containing; aqueous solution; liquid phase; separated contains; surface-bonded poly; comprises separation; support comprises; biphase-forming amount; liquid process; liquid biphase-forming; apparatus containing; dissolved salt; particles contain; /210/