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US 12,305,123 B2Granted
Hydrogen sulfide scavengers
AssigneeEcolab USA Inc.
InventorsDaniel Robert Dreyer, Elizabeth Balapitiya
Life of this patent
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Abstract
Scavenging compounds and compositions useful for scavenging hydrogen sulfide from streams are disclosed. The scavenging compositions may include a suspension of a metal component, a carrier solvent, and a polymer comprising styrene, propylene and ethylene. The streams may include asphalt, crude oil, naphtha, liquefied petroleum gas, vacuum gas oil, fuel oil, atmospheric tower bottoms, bitumen, and any combination of these streams.
Claims20
A composition for scavenging hydrogen sulfide from a stream, comprising:
- (a) a suspension of a metal component;
- (b) a carrier solvent;
- and
- (c) a polymer comprising styrene, propylene and ethylene;
- wherein the polymer comprises about 1 wt. % to about 90 wt. % of the ethylene;
- and
- wherein the composition comprises from about 10 wt. % to about 70 wt. % of the metal component.
4 more elements
A composition for scavenging hydrogen sulfide from a stream, comprising:
- (a) a suspension of a metal component;
- (b) a carrier solvent;
- and
- (c) a polymer comprising styrene, propylene and ethylene;
- wherein the polymer does not comprise elemental sulfur or a sulfur-containing crosslinking agent.
2 more elements
Dependencies are inferred from the claim text.