1
Robert S Bridges, Richard B Halsey, Don H Powers: Method of producing olefins from petroleum residua. Equistar Chemicals, Kevin M Carroll, October 16, 2001: US06303842 (82 worldwide citation)

Olefins may be produced by thermally steam cracking residuum containing a short residuum having a boiling point range greater than 565° C. wherein at least 3 weight percent of the short residuum has a boiling point greater than or equal to 650° C. The residuum has pentane insolubles less than or equ ...


2
William H Strong: Method for gasifying toxic and hazardous waste oil. Arthur T Fattibene, August 8, 1989: US04854944 (78 worldwide citation)

A method for treating carbonaceous material, e.g. waste oil containing PCB toxic materials, by effecting the pyrolytic gasification thereof to produce a relatively high BTU content gas that is substantially free of the toxic materials to supplement or substitute for natural gas. This is attained by ...


3
Christopher J Nagel, Thomas P Griffin: Method for producing hydrocarbon gas from waste. Molten Metal Technology, Hamilton Brook Smith & Raynolds, March 7, 1995: US05395405 (72 worldwide citation)

A method for dissociating organic waste to produce a gasified hydrocarbon. The method of the invention includes directing an organic waste, into a reaction zone containing a molten metal bath in a reactor maintained under conditions sufficient to dissociate the organic waste and to form a gasified h ...


4
Andiappan K S Murthy, Kundanbhai M Patel, Alex Y Bekker: Production of light hydrocarbons by treatment of heavy hydrocarbons with water. Allied Corporation, R C Stewart II, A M Doernberg, G H Fuchs, September 24, 1985: US04543177 (59 worldwide citation)

A process is disclosed for converting heavy hydrocarbons into light hydrocarbons which comprises contacting, in a first zone, a heavy hydrocarbon having an API gravity at 25.degree. C. of less than about 20, such as Boscan heavy crude oil and tar sand bitumen, with a liquid comprising water, in the ...


5
John W Gosselink, Jacobus Eilers: Process for the preparation of lower olefins. Shell Oil Company, December 6, 1994: US05371308 (51 worldwide citation)

A process for preparing lower olefins from a hydrocarbon feed having at least a fraction boiling above the boiling point range of the lower olefins, which process includes thermal cracking of the hydrocarbon feed, wherein at least part of the hydrocarbon feed is a hydroprocessed synthetic oil fracti ...


6
Peter H Kosters: Process and apparatus for thermally cracking hydrocarbons. The Dow Chemical Company, V Dean Clausen, January 17, 1984: US04426278 (49 worldwide citation)

A process and apparatus capable of cracking hydrocarbon to produce a reaction product containing a high proportion of ethylene. A hydrocarbon such as naphtha is vaporized and admixed with superheated steam at high temperature in a mixing device. The resulting hydrocarbon-steam mixture is passed thro ...


7
Jorge M Fernandez Baujin, Kandasmy M Sundaram, Jo Lung Chien: Inhibition of coke formation during vaporization of heavy hydrocarbons. Lummus Crest, Richard H Berneike, March 2, 1993: US05190634 (46 worldwide citation)

An improved process for vaporizing a crude petroleum feedstock, preferably one boiling in the vacuum gas oil range or higher, prior to thermal cracking to olefins, wherein such feedstock is preheated, in one or more stages, in the convection section of a tubular steam cracking furnace, characterized ...


8
Richard C Stell, Nicholas G Vidonic: Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks. ExxonMobil Chemical Patents, April 15, 2008: US07358413 (37 worldwide citation)

Hydrocarbon feedstock containing resid is cracked by a process comprising: (a) heating the hydrocarbon feedstock; (b) mixing the heated hydrocarbon feedstock with steam and optionally water to form a mixture stream; (c) introducing the mixture stream to a flash/separation apparatus to form i) a vapo ...


9
Richard C Stell, George J Balinsky, James N McCoy, Paul F Keusenkothen: Process and apparatus for cracking hydrocarbon feedstock containing resid. ExxonMobil Chemical Patents, May 22, 2007: US07220887 (34 worldwide citation)

A process for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form a mixture, flashing the mixture to form a vapor phase and a liquid phase which collect as bottoms and removing the ...


10
Andiappan K S Murthy, Kundanbhai M Patel, Alex Y Bekker: Process for production of light hydrocarbons by treatment of heavy hydrocarbons with water. Allied Corporation, Thomas D Hoffman, Gerhard H Fuchs, May 1, 1984: US04446012 (34 worldwide citation)

A process for converting heavy hydrocarbons into light hydrocarbons which comprises contacting, in a first zone, a heavy hydrocarbon having an API gravity at 25.degree. C. of less than about 20, such as Boscan heavy crude oil and tar sand bitumen, with a liquid comprising water, in the absence of ex ...