Composition and method for inhibiting coke formation and deposition during pyrolytic hydrocarbon processing
AssigneeBetz Laboratories, Inc.
InventorsDwight K. Reid, Daniel E. Fields
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Abstract
Methods and compositions are provided for inhibiting the formation and deposition of pyrolytic coke on metal surfaces in contact with a hydrocarbon feedstock undergoing pyrolytic processing. Coke inhibition is achieved by adding a coke inhibiting amount of a combination of a boron compound and a dihydroxybenzene compound.
Claims8
A composition for inhibiting the formation and deposition of coke on the heated metal surfaces in contact with a hydrocarbon feedstock which is undergoing pyrolytic processing to produce lower hydrocarbon fractions and said metal surfaces having a temperature of about 1600.degree. F. or higher, which improvement comprises a synergistic combination of a boron compound and dihydroxybenzene compound selected from the group consisting of hydroquinone, resorcinol, catechol, and 4-tert-butyl resorcinol.
A composition for inhibiting the formation and deposition for coke on the heated metal surfaces in contact with a hydrocarbon feedstock which is undergoing pyrolytic processing to produce lower hydrocarbon fractions and said metal surfaces having a temperature of about 1600.degree. F. or higher, which improvement comprises a synergistic combination of a boron compound and a dihydroxybenzene compound selected from the group consisting of hydroquinone, resorcinol, catechol, and 4-tert-butyl resorcinol, wherein said boron compound is contained in a glycolic carrier selected from the group consisting essentially of ethylene glycol, propylene glycol, glycerol, hexylene glycols and polyethylene glycols.
A composition for inhibiting the formation and deposition of coke on the heated metal surfaces in contact with a hydrocarbon feedstock which is undergoing pyrolytic processing to produce lower hydrocarbon fractions and said metal surfaces having a temperature of about 1600.degree. F. or higher, which improvement comprises a synergistic combination of a boron compound and a dihydroxybenzene compound selected from the group consisting of hydroquinone, resorcinol, catechol, and 4-tert-butyl resorcinol, wherein said dihydroxybenzene compound is contained in a co-solvent carrier selected from the group consisting of water:diethylene glycol monobutyl ether and water:ethylene glycol.
Dependencies are inferred from the claim text.