Claims
- 1. A combination useful for reducing or preventing coke formation in thermal cracking furnaces such as ethylene steam crackers, the combination being comprised of
(A) one or more compound of the formulaR—Sx—R′wherein R & R′ are independently H, alkyl with 1 to 24 carbons straight chain or branched, aryl and x=1 to 5; and (B) one or more compound selected from the following group: 8wherein R and R′ are independently H, alkyl with 1 to 24 carbons straight chain or branched, aryl; 9wherein R and R′ are independently H, alkyl with 1 to 24 carbons straight chain or branched, aryl; and 10wherein R is H, alkyl and R′ & R″ are alkyl of 1 to 24 carbon atoms.
- 2. An improved process for producing olefinic materials by the introduction of the combination of claim 1 to a hydrocarbon feed stream to be cracked or to another feed stream prior to either of the streams entering the thermal cracking furnace.
REFERENCE TO RELATED APPLICATION
[0001] This application claims the benefit of U.S. Provisional Application Serial No. 60/221,304 filed Jul. 28, 2000.
Provisional Applications (1)
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Number |
Date |
Country |
|
60221304 |
Jul 2000 |
US |