Patent ID: 9573081
Date: 2017-02-21
CPC Classifications: B01D,C01B

Claim:
1. A process for producing liquid sulfur that is degassed of H 2 S, wherein the process comprises: a) providing a sulfur degassing catalyst and liquid sulfur into a vessel wherein the sulfur degassing catalyst and liquid sulfur define a contact zone; b) directing condensed products from a Claus plant into the contact zone of the vessel wherein the condensed products include elemental sulfur, dissolved H c) catalyzing the conversion of H d) directing agitation gas at an elevated pressure into the contact zone of the vessel to agitate the sulfur degassing catalyst and liquid sulfur and carry H e) blending process gas drawn from an intermediate step of the Claus plant into the agitation gas prior to the agitation gas being directed into the contact zone; f) exhausting the agitation gas along with H g) extracting liquid sulfur that is degassed of H