Process for removing heavy metals from process streams

  • US 9,908,084 B2
  • Filed: 07/10/2013
  • Issued: 03/06/2018
  • Est. Priority Date: 07/26/2012
  • Status: Active Grant
First Claim
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1. A process for removing heavy metals from process fluids, comprising passing a heavy-metal-containing process fluid comprising a reductant that is hydrogen or carbon monoxide at an inlet temperature of 125°

  • C. or less over a sorbent having a form of extrudates or granules, wherein the sorbent comprises;

    (i) 5-50% by weight of sulfided basic copper carbonate powder,(ii) a powdered support material, and(iii) 5-30% by weight of a binder,wherein essentially all of the sulfided copper is in the form of CuS and the total metal sulfide content of the sorbent, other than copper sulfide, is 5% wt or less.

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