C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 217/08 (2006.01) C02F 1/54 (2006.01) C07D 295/088 (2006.01) C10G 21/20 (2006.01) C10G 29/20 (2006.01) C10L 1/222 (2006.01) C10L 1/232 (2006.01) C10L 1/233 (2006.01) C10L 1/238 (2006.01) C10L 1/24 (2006.01) C10L 1/22 (2006.01)
Patent
CA 2239587
A composition and method are disclosed for sweetening gaseous or liquid hydrocarbons, aqueous systems and mixtures thereof with a non-regenerative scavenger having the chemical formula Image wherein n is an integer from 1 to 6 and R1, R2, R3 and R4 are independently selected as straight chain or branched alkyl groups containing from 1 to 20 carbon atoms, aryl groups. alkylaryl groups, heterocyclic groups, cycloalkyl groups, or (CH2)n-OR5 groups with R5 being hydrogen or an alkyl group having from 1 to 8 carbon atoms and n being an integer from 1 to 6. Alternatively. R1 and R2 may be linked together and R3 and R4 may be linked together to form alkylene rings having from 4 to 5 carbon atoms.
On divulgue une composition et une méthode pour adoucir des hydrocarbures gazeux ou liquides, des systèmes aqueux ou encore leurs mélanges, à l'aide d'un agent d'épuration de formule chimique Image , où : n est un entier de 1 à 6; R1, R2, R3 et R4 sont choisis indépendamment parmi des groupes alkyle à chaîne droite ou ramifiée, de 1 à 20 atomes de carbone, des groupes aryle, alkylaryle, hétérocyclyle, cycloalkyle ou (CH2)n-OR5, R5 étant de l'hydrogène ou un groupe alkyle de 1 à 8 atomes de carbone, et n représentant un entier de 1 à 6. R1 et R2 peuvent être liés, tout comme R3 et R4 qui peuvent être liés pour former des cycles d'alkylène comptant de 4 à 5 atomes de carbone.
Nalco/exxon Energy Chemicals L.p.
Ondeo Nalco Energy Services L.p.
Smart & Biggar
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