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Issue 82, 2017
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A perspective on diverse adsorbent materials to recover precious palladium and the way forward

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Abstract

The removal and recovery of precious noble metals is noteworthy in a variety of applications. The need to recover these precious metals is associated with their high cost and other environmental impacts. The Nobel Prize conferred to Suzuki, Heck and Negishi in 2010 has underlined the remarkable significance of palladium as a catalyst in several important transformations. Palladium is one such platinum group noble metal that finds diverse applications in the automobile industry, electronics, jewelry, pharmaceutics, catalysis, etc. Therefore, the recovery of palladium has acquired importance. Methods such as liquid–liquid extraction and adsorption using biopolymers, polymeric resins, carbonaceous materials and silica based materials are discussed based on their removal efficiency, adsorption capacities, regeneration and other parameters. The review looks at a perspective based on the applicability of certain important adsorbents employed in recent years pertaining to the removal of palladium from aqueous solution, spent catalysts and industrial wastes.

Graphical abstract: A perspective on diverse adsorbent materials to recover precious palladium and the way forward

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Publication details

The article was received on 12 Sep 2017, accepted on 31 Oct 2017 and first published on 09 Nov 2017


Article type: Review Article
DOI: 10.1039/C7RA10153H
RSC Adv., 2017,7, 52133-52142
  • Open access: Creative Commons BY-NC license
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    A perspective on diverse adsorbent materials to recover precious palladium and the way forward

    S. Sharma, A. S. Krishna Kumar and N. Rajesh, RSC Adv., 2017, 7, 52133
    DOI: 10.1039/C7RA10153H

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