Enzymatic Recovery of Elemental Palladium by Using Sulfate-Reducing Bacteria

Author:

Lloyd Jon R.,Yong Ping,Macaskie Lynne E.

Abstract

ABSTRACT Worldwide usage of platinum group metals is increasing, prompting new recovery technologies. Resting cells of Desulfovibrio desulfuricans reduced soluble Pd2+ to elemental, cell-bound Pd0 supported by pyruvate, formate, or H2 as the electron donor without biochemical cofactors. Pd reduction was O2 insensitive, opening the way for recycling and recovery of Pd under oxic conditions.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference22 articles.

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2. Refining of platinum group metals;Demopoulos;CIM Bull.,1989

3. Generation of a proton gradient in Desulfovibrio vulgaris;Fitz;Arch. Microbiol.,1991

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