US 12,291,664 B1
Reducing slurry emulsion and foaming in oxidation-reduction sulfur removal processes
Peter J Photos, El Campo, TX (US); Franklin Hailey Brown, II, San Antonio, TX (US); and David Sisk, San Antonio, TX (US)
Assigned to STREAMLINE INNOVATIONS, INC., San Antonio, TX (US)
Filed by STREAMLINE INNOVATIONS, INC., San Antonio, TX (US)
Filed on Nov. 18, 2021, as Appl. No. 17/529,342.
Application 17/529,342 is a continuation of application No. 16/425,254, filed on May 29, 2019, abandoned.
Claims priority of provisional application 62/678,647, filed on May 31, 2018.
Int. Cl. C09K 23/00 (2022.01); B01D 53/48 (2006.01); B01D 53/78 (2006.01); C02F 1/54 (2023.01); C02F 101/10 (2006.01); C09K 23/42 (2022.01)
CPC C09K 23/018 (2022.01) [B01D 53/48 (2013.01); B01D 53/78 (2013.01); C02F 1/547 (2013.01); C09K 23/42 (2022.01); C02F 2101/101 (2013.01)] 20 Claims
 
1. A method for converting sulfur species that are present in a sour gas stream into at least one of solid sulfur or solid sulfur species, comprising the steps of:
introducing a surfactant to the sour gas stream, comprising introducing an aqueous surfactant composition comprising 0.5% to 15% by weight of an alkoxylated block copolymer and 0.5% to 15% by weight of an alcohol ethoxylate;
introducing a reagent to the sour gas stream; and
introducing an oxidizer to the sour gas stream.