Class 208/94 - Plural stages of distillation

Subclass of Class 208 - Mineral oils: processes and products
Definition: Processes wherein the mineral oil to be converted is subjected
No. of patents: 31
Last issue date: 08/05/2008

Number	Title	Issue Date
7407571	Method of and apparatus for upgrading and gasifying heavy hydrocarbon feeds A novel apparatus for producing sweet synthetic crude from a heavy hydrocarbon feed includes: an upgrader for receiving the heavy hydrocarbon feed and producing a distillate fraction including sour products, and high-carbon content by-products; a gasifier for receiv...	08/05/2008
7338924	Oil-in-water-in-oil emulsion An oil-in-water-in-oil emulsion (O/W/O) comprising a first oil-in-water emulsion dispersed in a second oil, and a method of preparing the same. The O/W/O emulsion can be used as a drive fluid in an enhanced oil recovery process. The O/W/O emulsion of this invention ...	03/04/2008
7303664	Delayed coking process for producing free-flowing coke using a metals-containing additive A delayed coking process for making substantially free-flowing coke, preferably shot coke. A coker feedstock, such as a vacuum residuum, is heated in a heating zone to coking temperatures then conducted to a coking zone wherein volatiles are collected overhead and c...	12/04/2007
7297250	Method of and apparatus for processing heavy hydrocarbon feeds The present invention comprises a method for processing a heavy hydrocarbon feed including: supplying the heavy hydrocarbon feed to a heater for heating the heavy hydrocarbon feed; supplying the heated heavy hydrocarbon feed to an atmospheric fractionating tower for...	11/20/2007
7276150	Method of desulfurizing gas oil fraction, desulfurized gas oil, and desulfurizer for gas oil fraction The process for desulfurizing a gas oil fraction according to the invention comprises a low-boiling gas oil fraction hydrodesulfurization step (I) wherein a low-boiling gas oil fraction is desulsurized under the condition of a H2/Oil ratio of 70 to 200 Nm...	10/02/2007
7186673	Stability enhanced water-in-oil emulsion and method for using same A method for enhancing the stability of a water-in-oil emulsion pretreating at least a portion of the oil prior to emulsification. The pretreatment step may consist of adding polymers to the oil, biotreating the oil, photochemically treating the oil, or combinations...	03/06/2007
7121339	Solids-stabilized oil-in-water emulsion and a method for preparing same A solids-stabilized oil-in-water emulsion and a method for preparing the solids-stabilized oil-in-water emulsion. The oil-in-water emulsion is formed by combining oil, water, solid particles and a pH enhancing agent and mixing until the solid-stabilized oil-in-water...	10/17/2006
6699385	Process for converting waxy feeds into low haze heavy base oil The present invention discloses a process for producing a low haze heavy base oil including the steps of: (a) providing a heavy waxy feed stream having an initial boiling point greater than 900° F. and having a paraffin content of at least 80%; (b) separ...	03/02/2004
6329980	Driving circuit for display device A signal driving circuit for an active matrix type display device having display pixels arranged in a matrix, comprises a signal waveform correcting circuit receiving an input pixel signal for generating a corrected output pixel signal to the display devi...	12/11/2001
6017441	Multi-step catalytic process for conversion of a heavy hydrocarbon fraction A process for converting a heavy hydrocarbon fraction comprises treating the hydrocarbon feed in a hydroconversion section in the presence of hydrogen, the section comprising at least one three-phase reactor containing at least one ebullated bed hydroconv...	01/25/2000
5997724	Method of making a shale oil modifier A shale oil modifier is made of a crude shale oil dehydrogenated sufficiently to attain a viscosity of between about 1200-1800 poise at 60° C. The crude shale oil has sufficient basic nitrogen content so that the dehydrogenated crude shale oil exhibits n...	12/07/1999
5980730	Process for converting a heavy hydrocarbon fraction using an ebullated bed hydrodemetallization catalyst A process for converting a heavy hydrocarbon fraction comprises treating the hydrocarbon feed in a hydroconversion section in the presence of hydrogen, the section comprising at least one three-phase reactor containing at least one ebullated bed hydroconv...	11/09/1999
5741414	Method of manufacturing gas oil containing low amounts of sulfur and aromatic compounds There is provided a method of manufacturing gas oil containing low-sulfur and low-aromatic-compound content, said method including a first step of putting distilled petroleum to contact with hydrogen gas in the presence of a hydrotreating catalyst to redu...	04/21/1998
5624548	Heavy naphtha hydroconversion process A straight run naphtha is fractionated to yield on intermediate naphtha and the heaviest 10-25 vol % as heavy naphtha. The heavy naphtha is subjected to hydrocracking to yield liquid fuel and lighter, including C4 isoparaffins and a cracked nap...	04/29/1997
5308470	Non-carcinogenic asphalts and asphalt blending stocks Non-carcinogenic asphalts and asphalt blending stocks are produced from reduced hydrocarbon feedstocks. Such non-carcinogenic products are produced by establishing a functional relationship between mutagenicity index and a physical property correlative of...	05/03/1994
5302282	Integrated process for the production of high quality lube oil blending stock A process for the production of high quality lube oil blending stock from atmospheric fractionation residue and waste lubricants by means of contacting the waste lubricant with a hot hydrogen-rich gaseous stream to increase the temperature of this feed st...	04/12/1994
5244565	Integrated process for the production of distillate hydrocarbon A process for the production of distillate hydrocarbon from atmospheric fractionation residue and waste lubricants by means of contacting the waste lubricant with a hot hydrogen-rich gaseous stream to increase the temperature of this feed stream to vapori...	09/14/1993
5242578	Means for and methods of deasphalting low sulfur and hydrotreated resids A refining process uses a two or four stage solvent separator coupled to receive an incoming feedstream of low sulfur resid and a solvent. In the preferred two stage separator, the mixture at the top of the first separator stage is fed to the second stage...	09/07/1993
5228978	Means for and methods of low sulfur and hydrotreated resids as input feedstreams The inventive solvent extraction process uses hydrotreated (HTR) and low sulfur (LSR) resids feedstreams in a single deasphalter unit and in a way that optimizes the disposition of the oils, resins, and asphaltene fractions of each resid for downstream pr...	07/20/1993
5203987	Method of upgrading residua Residua comprises upgraded by first partitioning a hydrocracked residua into a vapor fraction and a liquid fraction. The vapor fraction is hydrotreated forming a first hydrotreated product. The liquid fraction is partitioned into a residua fraction and a ...	04/20/1993
5110446	Integrated products separation from fluid catalytic cracking and aromatization processes The present invention provides a process for decreasing the energy consumption of a catalytic cracking process product recovery section while improving gasoline yield by integrating multistage vapor compression and product recovery with deacidification an...	05/05/1992
5034119	Non-carcinogenic bright stock extracts and deasphalted oils Non-carcinogenic bright stock extracts and/or deasphalted oils are produced from reduced hydrocarbon feedstocks. Such non-carcinogenic products are produced by establishing a functional relationship between mutagenicity index and a physical property corre...	07/23/1991
4950387	Upgrading of cracking gasoline A process is disclosed for increasing the octane number of an FCC unit gasoline pool by upgrading selected gasoline boiling-range streams. FCC gasoline is mixed with the feed to a light olefin upgrading reactor. Upgraded gasoline is then fractionated in a...	08/21/1990
4882037	Process for treating a temperature-sensitive hydrocarbonaceous stream containing a non-distillable component to produce a selected hydrogenated distillable light hydrocarbonaceous product A process for treating a temperature-sensitive hydrocarbonaceous stream containing a non-distillable component and a distillable, hydrogenatable hydrocarbonaceous fraction to produce a selected hydrogenated distillable light hydrocarbonaceous product, a d...	11/21/1989
4676888	Hydrocarbon conversion process with product quenching A hydrocarbon chargestock (11) is separated by distillation (12, 16), e.g. at least in part under reduced pressure, into a conversion feedstream (22, 24) and a vacuum residuum (17). The feedstream is converted at an elevated temperature in a conversion un...	06/30/1987
4673488	Hydrocarbon-conversion process with fractionator overhead vapor recycle An improved method for processing the effluent of a hydrocarbon conversion zone. The invention is particularly useful in a catalytic reforming reaction, wherein practice of the invention results in an increased recovery of butane and propane. The effluent...	06/16/1987
4620920	Catalytic cracking of hydrocarbon oils from two mixtures boiling above the gasoline range This invention concerns a process for the preparation of a gasoline boiling hydrocarbon from a mixture of hydrocarbons specifically defined. The hydrocarbon feedstock is a mixture of two hydrocarbon oils with the first hydrocarbon oil having a Conradson c...	11/04/1986
4592830	Hydrovisbreaking process for hydrocarbon containing feed streams A hydrogen donor solvent selected from the group consisting of a full range crude oil and an atmospheric topped crude oil is used in a hydrovisbreaking process. The heavy fraction being processed is heated in the presence of hydrogen and the solvent under...	06/03/1986
4201659	Process for the preparation of gas oil A process is disclosed for the conversion of asphaltines-containing mineral hydrocarbon oil to distillate gas oil by a processing sequence comprising thermal cracking, flashing, atmospheric fractionation, vacuum fractionation, thermal cracking, catalytic ...	05/06/1980
4200519	Process for the preparation of gas oil A process for the preparation of gas oil from residual oils by combination of two stages of thermal cracking, cyclone separation, vacuum distillation, deasphalting, atmospheric distillation, and recycling of certain streams....	04/29/1980
4192734	Production of high quality fuel oils A processing arrangement for upgrading crude oil by the combination of hydrodewaxing, and fluid catalytic cracking or hydrocracking to maximize the production of low pour, high quality distillate fuel oil is particularly described. Cracking of atmospheric...	03/11/1980

PatentStorm

Quotables

PatentStorm News

Class 208/94 - Plural stages of distillation