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Class 208/76 - With cracking of the first stage bottoms


Subclass of Class 208 - Mineral oils: processes and products
Definition: Processes wherein the product of the initial cracking stage
No. of patents: 37
Last issue date: 11/23/2010


NumberTitleIssue Date
7837859Process and apparatus for upgrading steam cracked tar using steam
A process and apparatus are provided for upgrading steam cracked tars. The invention also relates to a steam cracking process and apparatus for reducing the yields of tars produced from steam cracking while increasing yields of higher value products, heating, in the...
11/23/2010
7820032Method of hydrocarbon material fractionation and installation for its implementation
The main distinctive feature of the method lies in the fact that the hydrocarbon material is affected through primary and principal excitation by means of electromagnetic vibrations. The primary influence upon the hydrocarbon material is carried out prior to its fee...
10/26/2010
7338924Oil-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
7316773Catalytic cracking process and the device used therein
The present invention relates to a catalytic cracking process and a device used in the process in particular, the present invention provides a catalytic cracking process, which comprises which comprises: 1) catalytic cracking a fee...
01/08/2008
7314964Catalytic naphtha cracking catalyst and process
A process is disclosed for enhancing the production of light olefins using a catalyst with small pores. The catalyst comprises a molecular sieve having 10 membered rings with channels of limited length. The molecular sieve has a high silica to alumina ratio and has ...
01/01/2008
7303664Delayed 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
7285697Reduction of total sulfur in crude and condensate cracking
A process for cracking hydrocarbon feedstock comprising at least one sulfur-containing compound comprising: heating the feedstock and a peroxide-containing compound, mixing the heated feedstock and peroxide-containing compound with a fluid and/or a primary dilution ...
10/23/2007
7186673Stability 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
7169293Controllable space velocity reactor and process
Disclosed is an apparatus and process for controlling space velocity in a fluidized catalytic conversion reactor. The catalyst flux rate can be adjusted during the process of the reaction to adjust the space velocity and maintain a fast fluidized flow regime therein...
01/30/2007
7121339Solids-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
7029571Multi stage selective catalytic cracking process and a system for producing high yield of middle distillate products from heavy hydrocarbon feedstocks
According to this invention, there is provided a process and apparatus for catalytic cracking of various petroleum based heavy feed stocks in the presence of solid zeolite catalyst and high pore size acidic components for selective bottom cracking and mixtures there...
04/18/2006
7025872Process for obtaining a feedstock that can be used in an etherification unit
Process for obtaining a hydrocarbon fraction that can be used as a feedstock of an etherification unit and that contains a small amount of diene compounds, nitrogen-containing compounds and sulfur-containing compounds, starting from an initial hydrocarbon feedstock ...
04/11/2006
6869521Process and apparatus for upgrading FCC product with additional reactor with thorough mixing
A process and apparatus are disclosed contacting hydrocarbon feed with catalyst in a reactor vessel under conditions more vigorous than bubbling bed conditions and preferably fast fluidized flow conditions. The vigorous conditions assure thorough mixing of catalyst ...
03/22/2005
6866771Process and apparatus for upgrading FCC product with additional reactor with catalyst recycle
A process and apparatus is disclosed for contacting feed with mixed catalyst in a secondary reactor that is incorporated into an FCC reactor. The mixed catalyst used in the secondary reactor is regenerated catalyst from a regenerator that regenerates spent catalyst ...
03/15/2005
6837989Cycle oil conversion process
The invention relates to a process for converting cycle oils produced in catalytic cracking reactions into olefin and naphtha. More particularly, the invention relates to a process for hydroprocessing a catalytically cracked light cycle oil, and then re-cracking it ...
01/04/2005
6811682Cycle oil conversion process
The invention relates to a process for converting cycle oils produced in catalytic cracking reactions into light olefin and naphtha. More particularly, the invention relates to a process for hydroprocessing a catalytically cracked light cycle oil in order to form a ...
11/02/2004
6767451Procedure and device for cracking of hydrocarbons using two successive reaction chambers
A process for cracking, in a fluidized bed, a hydrocarbon charge wherein the cooling particles, which may optionally also be catalytic particles, circulate in two successive reaction chambers (1; 16), in each of which they are brought into contact with at lea...
07/27/2004
6307117Method for producing ethylene and propylene
Disclosed is a method for producing ethylene and propylene from a hydrocarbon feedstock by catalytic conversion, which comprises contacting, in a reactor, a hydrocarbon feedstock comprising 20% by weight or more, based on the weight of the hydrocarbon fee...
10/23/2001
6123830Integrated staged catalytic cracking and staged hydroprocessing process
Disclosed is a catalytic cracking process that includes more than one catalytic cracking reaction step. The process integrates catalytic cracking steps with hydroprocessing in order to maximize olefins production, distillate quality and octane level of th...
09/26/2000
6048448Delayed coking process and method of formulating delayed coking feed charge
A process for upgrading petroleum residua to more valuable products by visbreaking or otherwise thermally cracking a petroleum residuum to produce a thermally cracked bottoms stream, vacuum distilling at least a portion of the thermally cracked bottoms st...
04/11/2000
5824208Short contact time catalytic cracking process
Disclosed is a catalytic cracking process which incorporates a short contact time catalytic cracking step. The short contact time cracking step provides for an overall increase in distillate quality as well as provides for an overall increase in the quant...
10/20/1998
5773676Process for producing olefins and aromatics from non-aromatics
A multi-step process for converting non-aromatic hydrocarbons (preferably a gasoline-type hydrocarbon mixture) to lower olefins (preferably, ethylene and propylene) and aromatic hydrocarbons (preferably benzene, toluene and xylene) comprises, in sequence,...
06/30/1998
5770043Integrated staged catalytic cracking and hydroprocessing process
Disclosed is a catalytic cracking process which includes more than one catalytic cracking reaction step. The process integrates a hydroprocessing process step between the catalytic cracking reaction steps in order to maximize olefins production, mid-disti...
06/23/1998
5770044Integrated staged catalytic cracking and hydroprocessing process (JHT-9614)
Disclosed is a catalytic cracking process which includes more than one catalytic cracking reaction step. The process integrates a hydroprocessing step between the catalytic cracking reaction steps in order to maximize olefins production, distillate qualit...
06/23/1998
5611912Production of high cetane diesel fuel by employing hydrocracking and catalytic dewaxing techniques
A process for the production of diesel fuel with a high cetane number at a low cloud point, which involves hydrocracking highly aromatic fractions obtained from catalytic cracking operations. The fraction of hydrocracker effluent which boils between about...
03/18/1997
5582711Integrated staged catalytic cracking and hydroprocessing process
Disclosed is a catalytic cracking process which includes more than one catalytic cracking reaction step. The process integrates a hydroprocessing step between the catalytic cracking reaction steps in order to maximize olefins production, distillate qualit...
12/10/1996
5498326Process for and apparatus for catalytic cracking in two successive reaction zones
The invention relates to a process for catalytic cracking and the associated apparatus in which the cracking reaction takes place in two substantially vertical and successive reaction zones, the loads being introduced into the first zone where it circulat...
03/12/1996
5401387Catalytic cracking in two stages
A process for multi-stage catalytic cracking is disclosed. A first stage cracks a first feed at atmospheric to 100 psig over a shape selective zeolite to convert from 10 to 90%, by volume, to lighter products rich in iso-compounds which may be used to mak...
03/28/1995
5316660Hydrodelayed thermal cracking process
The present invention provides a process for hydrodelayed thermal cracking in combination with hydrostripping, which comprises feeding crude oil from a surge tank to a crude oil stripper via a feed line; separating the crude oil into a lighter fraction an...
05/31/1994
4990314Process and apparatus for two-phase fluid catalytic cracking system
A fluid catalytic cracking (FCC) process and apparatus which employs relatively more elutriatable catalyst particles comprising intermediate pore zeolite, particularly ZSM-5, and relatively less elutriatable catalyst particles comprising large pore zeolit...
02/05/1991
4792389Process to produce light products and fuel oils for conventional use from heavy metal- and sulfur-rich crude oil residues
The invention describes a process for producing light products, such as engine and diesel fuels, and fuel oils for conventional use by thermal conversion of heavy metal- and sulfur-rich-crude oil residues. Thermal cracking of the residues is done by mild ...
12/20/1988
4721557Combination process for the conversion of a residual asphaltene-containing hydrocarbonaceous stream to maximize middle distillate production
A process for the conversion of residual asphaltene-containing hydrocarbonaceous charge stock to selectively produce large quantities of high quality middle distillate while minimizing hydrogen consumption....
01/26/1988
4606810FCC processing scheme with multiple risers
A novel FCC method and apparatus, wherein a fresh hydrocarbon feed of relatively poor crackability is fed to one riser of a two riser system. The spent catalyst from the other of the two risers is fed to the inlet of the first riser to produce relatively ...
08/19/1986
4551229Cracking of heavy hydrocarbons with improved yields of valuable liquid products
Hydrocarbon feedstocks, especially those high in Ramsbottom carbon, are vaporized by contact with a relatively inactive coked cracking catalyst, separating the resulting intermediate into a high and low boiling fraction, and cracking the high boiling frac...
11/05/1985
4462895Combination visbreaking and hydrorefining with recycle of hydrorefined bottoms
A heavy hydrocarbon oil comprising constituents boiling above 1050° F. is upgraded by a combination visbreaking or hydrovisbreaking and hydrorefining process in which at least a portion of the hydrorefined bottoms fraction is recycled to the visbreaking ...
07/31/1984
4441989Process and apparatus for thermal cracking and fractionation of hydrocarbons
A method and apparatus for the thermal cracking and fractionation of petroleum heavy gas oil and simultaneously heavy crude oil feedstock below atmospheric pressure. The feedstock is fed to a fractionator after heat exchange with distillate fractions with...
04/10/1984
4428822Fluid catalytic cracking
A method for maintaining a desired catalyst regeneration temperature in a fluid catalytic cracking unit operating with complete combustion of coke to carbon dioxide when the coke content of the spent catalyst supplied to the regeneration zone from the rea...
01/31/1984
 
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