Class 208/81 - With contacting vapor porducts with liquid feed (i.e., product scrubbing and feed stripping)

Subclass of Class 208 - Mineral oils: processes and products
Definition: Processes wherein a conversion operation is combined with
No. of patents: 22
Last issue date: 05/20/2008

Number	Title	Issue Date
7374662	Method for jointly producing propylene and petrol from a relatively heavy charge A process for conversion of a hydrocarbon feedstock comprising a relatively heavy main feedstock with a boiling point above approximately 350° C., and a relatively light secondary feedstock with a boiling point below approximately 320° C., wherein, ...	05/20/2008
7250107	Flexible method for producing oil bases and distillates from feedstock containing heteroatoms For producing basic oils and in particular very high quality oils, i.e. oils possessing a high viscosity index (VI), a low aromatics content, good UV stability and a low pour point, from oil cuts having an initial boiling point higher than 340° C., possibly with si...	07/31/2007
7229547	Retort heating systems and methods of use A retort heating apparatus includes a perimeter wall bounding a central compartment. A partition wall is disposed within the central compartment so as to separate the central compartment into at least a heating chamber and a vapor chamber. The partition wall has a p...	06/12/2007
7074322	System and method for liquefying variable selected quantities of light hydrocarbon gas with a plurality of light hydrocarbon gas liquefaction trains An improved system and method for providing reduced acid gas/dewatered light hydrocarbon gas to a light hydrocarbon gas liquefaction process wherein a plurality of light hydrocarbon gas liquefaction trains are used. ...	07/11/2006
6235961	Process for pretreating cracked gas before caustic tower treatment in ehtylene plants An inline, high-shear mixer is provided in a cracked gas stream upstream of a caustic tower in an ethylene production unit. Spent caustic is withdrawn from the bottom of the caustic tower and pumped to the mixer, where the spent caustic mixes with and abs...	05/22/2001
6171473	Integrated residue thermal cracking and partial oxidation process A residue from petroleum refining is thermally cracked to convert the residue to useful cracked products and to generate fuel gas. The residue is cracked by contact with hot synthesis gas produced by the gasification on the tar/pitch residue remaining aft...	01/09/2001
5976354	Integrated lube oil hydrorefining process In an integrated lube oil process, a lube oil stock is hydrotreated over a non-noble metal containing hydrotreating catalyst in an HDN/HDS unit to remove sulfur and nitrogen from the lube oil stock and produce an HDN/HDS unit effluent. The effluent compri...	11/02/1999
5968346	Two stage hydroprocessing with vapor-liquid interstage contacting for vapor heteroatom removal A hydroprocessing process includes two hydroprocessing reaction stages, both of which produce a liquid and a vapor effluent, and a liquid-vapor contacting stage. The first stage vapor effluent contains impurities, such as heteroatom compounds, which are r...	10/19/1999
5846405	Process oils and manufacturing process for such using aromatic enrichment and two pass hydrofinishing A method for producing a process oil is provided in which an aromatic extract oil is added to a napthenic rich feed. The combined feed is then hydrotreated in a first hydrotreating stage to convert at least a portion of sulfur and nitrogen in the feed to ...	12/08/1998
5736484	Nickel-containing hydrogenation catalysts A catalyst suitable for hydrogenating organic compounds, essentially containing from 65 to 80% of nickel, calculated as nickel oxide, from 10 to 25% of silicon, calculated as silicon dioxide, from 2 to 10% of zirconium, calculated as zirconium oxide, and ...	04/07/1998
5549831	Method for processing chemical cleaning solvent waste A method for processing chemical cleaning solvent waste that combines evaporation, purification, and detoxification. The method is mobile and thus allows the processing to be done at the site of the cleaning where the entire processing can be completed. E...	08/27/1996
5258117	Means for and methods of removing heavy bottoms from an effluent of a high temperature flash drum A process for improving the performance of heavy oil refining units in a resid hydrotreating unit equipped for resid hydrotreating. The partially refined resid stream issuing from a train of ebullated bed reactor is first separated into high, medium, and ...	11/02/1993
5110447	Process and apparatus for partial upgrading of a heavy oil feedstock The invention involves visbreaking heavy oil under mild conditions in a vertical vessel containing a vertical elongate ring spaced inwardly from the vessel wall to form an outer open-ended annular chamber and an inner open-ended soak chamber. Heavy oil at...	05/05/1992
5107055	Method for simultaneous recovery of pure benzene and pure toluene A simultaneous recovery of pure benzene and pure toluene is performed by extractive distillation with N-formylmorpholine and/or other N-substituted morpholines whose substituents contain not more than seven C-atoms as a solvent. From the entry product by ...	04/21/1992
5039396	Hydrotreater feed/effluent heat exchange A heat integrated hydrotreating process has been invented. The feedstock is a cracked hydrocarbon stock which is mixed with hydrogen to suppress coking before heating in a multiple tube furnace to reactor inlet temperature. A minor portion of the feedstoc...	08/13/1991
5004533	Process for treating an organic stream containing a non-distillable component to produce an organic vapor and a solid A process for treating an organic stream containing a non-distillable component to produce an organic vapor stream and a solid which process comprises the steps of: (a) contacting the organic stream containing a non-distillable component with a hydrogen-r...	04/02/1991
4980051	Process and apparatus for preheating heavy feed to a catalytic cracking unit A process and apparatus for preheating and catalytic cracking of heavy oils is disclosed. Direct contact heat exchange of heavy feed, such as a resid, with hot product vapor from the cracking reactor provides an efficient way to preheat a heavy feed to an...	12/25/1990
4938862	Process for the thermal cracking of residual hydrocarbon oils Process for thermal cracking of residual hydrocarbon oils by (1) feeding the oil and a synthesis gas to a thermal cracking zone, the gas having a temperature sufficiently high to maintain the temperature in the cracking zone by direct heat exchange at 420°-64...	07/03/1990
4840721	Process for treating a temperature-sensitive hydrocarbonaceous stream containing a non-distillable component to produce a hydrogenated distillable hydrocarbonaceous product A process for treating a temperature-sensitive hydrocarbonaceous stream containing a non-distillable component to produce a hydrogenated distillable hydrocarbonaceous product and a heavy product comprising the non-distillable component while minimizing th...	06/20/1989
4702818	Process for recovering heat of a tar-containing high-temperature gas A process for recovering heat from a tar-containing gas while simultaneously cooling the gas in a 3-stage cooling step by (1) directing a tar-containing gas through a jet cooler comprising a bed of solid particles so that the gas contacts the solid partic...	10/27/1987
4433947	Slurry feed pump for coal liquefaction reactors A slurry feed pump which delivers a highly pressurized suspension of coal particles, coal oil and a catalyst to a liquefaction reactor is installed in a plenum chamber which is filled with pressurized coal oil and surrounds the pump housing. The suspensio...	02/28/1984
4057487	Fluid coking process A hydrocarbonaceous oil is introduced to a quench and scrubbing zone mounted on a fluid coking reactor. Heat from the coker vapor product vaporizes a portion of the hydrocarbonaceous oil. The unvaporized portion of the oil is used to quench and scrub the ...	11/08/1977

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Class 208/81 - With contacting vapor porducts with liquid feed (i.e., product scrubbing and feed stripping)