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US 2019/0100701 A1Published application
Method for weakening and removing coke and carbonaceous deposits
AssigneePraxair Technology, Inc.
InventorWilliam J. Scharmach
Life of this patent
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Abstract
The present invention concerns a method of weakening and removal of coke or carbonaceous material which deposits as a result of thermal cracking of hydrocarbons on the inner walls of coils, piping, tubing, and in general, hydrocarbon processing equipment.
Claims14
A method for the weakening of coke or other carbonaceous deposits on inside walls of hydrocarbon processing equipment including coils, piping, tubing said equipment comprising:
- exposing said equipment to a pressurized gas, introducing a gas into the equipment where the gas is sorbed into the coke or other carbonaceous deposit, and then depressurizing the equipment and contents of said gas, wherein said gas includes carbon dioxide.
Dependencies are inferred from the claim text.