Back to results
US 2022/0177787 A1Published application
Neutralization of hydrogen sulfide and light mercaptanes in hydrocarbon media
AssigneeLyra Energy SRL
InventorsKonstantin Poukalov, SR., Alexander Semenyuk
Life of this patent
Estimating the term…
Abstract
Disclosed is a composition and method for neutralization of hydrogen sulfide and light mercaptanes from hydrocarbon media, and improvement of the copper strip indicator in petroleum products. The composition is an aqueous solution of polysulfides comprising alkali metals and/or polysulfides of primary or secondary ethanolamines, alkali metal hydroxides, water-soluble alkylamines and optionally alkali metal nitrites.
Claims6
A composition for neutralization of hydrogen sulfide and light mercaptans from hydrocarbon media, the composition comprising:
- 3-15% by weight of polysulfides of alkali metals and/or polysulfides of primary or secondary ethanolamines,
- 5-35% by weight of alkali metal hydroxides,
- 2-7% by weight of water soluble alkylamines, and
- water.
1 more element
Dependencies are inferred from the claim text.