Process for recovering metals from solution utilizing metallopro

Details Process for recovering metals from solution utilizing metallopro Process for recovering metals from solution utilizing metallopro

1995-06-05

1996-10-22

Therkorn, Ernest G.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210656, 210679, 2101982, 2105021, 502403, B01D 1508

Patent

active

055673163

ABSTRACT:
A process for recovering metals from an aqueous metal-ion bearing solution includes the steps of: (a) forming an affinity chromatography matrix by providing a metal bearing protein bound to an insoluble support material to form an immobilized metalloprotein material; (b) introducing into the affinity chromatography matrix a quantity of aqueous metal-containing solution having a pH, redox potential or other property properly adjusted to cause ions of a selected metal entrained within the solution to bind to the immobilized metalloprotein material; (c) washing the matrix with a first buffer which does not elute the metal ions of interest but does remove other species of metal entrained in the solution; and (d) applying a second buffer or solution of appropriate pH, redox potential or other property to the affinity chromatography matrix to elute the metal ions of interest from the immobilized metalloprotein material.

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