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US 12,220,690 B2Granted
Method of equipment decontamination
AssigneeUnited Laboratories International, LLC
InventorsStephen D. Matza, Elisa Rice
Life of this patent
Estimating the term…
Abstract
A method of equipment decontamination may include: introducing a cleaning stream comprising hydrogen and a solvent comprising a fatty acid methyl ester and an oxygenated solvent, or alternatively comprising a carrier fluid and a hydrocarbon solvent, into the equipment; and introducing a stream comprising nitrogen into the equipment, wherein the equipment comprises deposits and other contaminants.
Claims20
A method of equipment decontamination comprising:
- (A) introducing a cleaning stream comprising hydrogen and a solvent composition comprising a hydrocarbon solvent and a cutting fluid into the equipment;
- and
- (B) introducing a stream comprising nitrogen into the equipment, wherein the equipment comprises deposits.
A method comprising:
- (A) introducing a stream comprising hydrogen into a reactor, wherein the reactor comprises a catalyst, deposits on the catalyst, and other contaminants;
- (B) introducing into the stream comprising hydrogen a solvent composition stream comprising a hydrocarbon solvent and a cutting fluid;
- (C) vaporizing the solvent composition stream into the stream comprising hydrogen to produce a cleaning stream;
- (D) contacting the deposits with the cleaning stream and removing at least a portion of the deposits and/or other contaminants with the cleaning stream;
- and
- (E) introducing a nitrogen stream into the reactor.
3 more elements
Dependencies are inferred from the claim text.