C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/17 (2006.01)
Patent
CA 2718758
A method for reducing hydrogen sulfide in asphalt includes adding a hydrogen scavenger composition to the asphalt. The hydrogen sulfide scavenger includes a polyaliphatic amine having the formula I: (I); R is an aliphatic radical and n is from about 0 to about 15. A method for treating asphalt and a hydrogen sulfide scavenger are also provided.
L'invention porte sur un procédé de réduction du sulfure d'hydrogène dans de l'asphalte, lequel procédé comprend l'addition à l'asphalte d'une composition d'agent de piégeage du sulfure d'hydrogène. L'agent de piégeage du sulfure d'hydrogène comprend une amine polyaliphatique ayant la formule I : (I); R est un radical aliphatique et n est d'environ 0 à environ 15. L'invention porte également sur un procédé pour traiter l'asphalte et sur un agent de piégeage du sulfure d'hydrogène.
Eldin Sherif
Karas Lawrence John
Company General Electric
Craig Wilson And Company
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