CA2030596A1 - Process of removing and concentrating desired molecules from solutions - Google Patents

Process of removing and concentrating desired molecules from solutions

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Publication number
CA2030596A1
CA2030596A1 CA002030596A CA2030596A CA2030596A1 CA 2030596 A1 CA2030596 A1 CA 2030596A1 CA 002030596 A CA002030596 A CA 002030596A CA 2030596 A CA2030596 A CA 2030596A CA 2030596 A1 CA2030596 A1 CA 2030596A1
Authority
CA
Canada
Prior art keywords
molecules
cation
ligand
solid
desired molecules
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002030596A
Other languages
French (fr)
Other versions
CA2030596C (en
Inventor
Jerald S. Bradshaw
Bryon J. Tarbet
Ronald L. Bruening
Reed M. Izatt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brigham Young University
Original Assignee
Brigham Young University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Brigham Young University filed Critical Brigham Young University
Priority to CA002030596A priority Critical patent/CA2030596C/en
Publication of CA2030596A1 publication Critical patent/CA2030596A1/en
Application granted granted Critical
Publication of CA2030596C publication Critical patent/CA2030596C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

A method is disclosed for the quantitative removal and concentration of desired molecules or ions, such as gases, anions and amino acids, from a source solution which may contain larger concentrations of other molecules. The method comprises bringing the source solution into contact with a solid cation-ligand-matrix consisting of a cation complexed to a ligand molecule covalently bonded to a matrix consisting of an organic spacer bonded to a solid inorganic support through a silicon atom. The cation has an affinity for the desired molecules to form a complex between the desired molecules and the cation portion of the solid cation-ligand-matrix at binding sites initially held by H2O or other weakly coordinated ligands or via ion pairing. The desired molecule complex is broken releasing either the desired molecules or desired molecules complexed with the cation by contacting the solid cation-ligand-matrix-desired molecule complex with a much smaller volume of a receiving solution in which said desired molecules are soluble. The concentrated ions or molecules thus removed may be analyzed and/or recovered by known methods. The process is useful in measuring the concentrations of molecules originally present at parts per billion levels; in the removal of low levels of toxic molecules such as ammonia or anions such as chromate from potable and saline water; in the preparation of ultrapure salts and gases; and in the recovery of valuable molecules present in low concentrations as in the separation of amino acids, etc.
CA002030596A 1990-11-23 1990-11-23 Process of removing and concentrating desired molecules from solutions Expired - Fee Related CA2030596C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002030596A CA2030596C (en) 1990-11-23 1990-11-23 Process of removing and concentrating desired molecules from solutions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002030596A CA2030596C (en) 1990-11-23 1990-11-23 Process of removing and concentrating desired molecules from solutions

Publications (2)

Publication Number Publication Date
CA2030596A1 true CA2030596A1 (en) 1992-05-24
CA2030596C CA2030596C (en) 2003-08-12

Family

ID=4146501

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002030596A Expired - Fee Related CA2030596C (en) 1990-11-23 1990-11-23 Process of removing and concentrating desired molecules from solutions

Country Status (1)

Country Link
CA (1) CA2030596C (en)

Also Published As

Publication number Publication date
CA2030596C (en) 2003-08-12

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