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Patent Searching and Data


Matches 351 - 400 out of 422

Document Document Title
JPH0684500B2
A process and system for the production of olefins from heavy hydrocarbon feedstocks. A heavy hydrocarbon feed is first pretreated at high pressure and moderate temperatures to preferentially remove coke precursors in a liquid product. T...  
JPH0645787B2
An improved process and apparatus is provided for simultaneously, independently catalytically cracking dissimilar hydrocarbon feedstocks at elevated temperatures in separate riser reactors and under respective operating parameters which ...  
JPH0619549Y2  
JPH05222374A
PURPOSE: To provide a process to produce a light hydrocarbonaceous liquid in a high yield with a low yield of coke. CONSTITUTION: The process for producing a light hydrocarbonaceous liquid in a delayed coker containing a coke drum compri...  
JPH04500383A
PCT No. PCT/FR90/00390 Sec. 371 Date Feb. 4, 1991 Sec. 102(e) Date Feb. 4, 1991 PCT Filed Jun. 5, 1990 PCT Pub. No. WO90/15118 PCT Pub. Date Dec. 13, 1990.A method and apparatus for steam cracking hydrocarbons in a furnace (10) having re...  
JPH0359112B2
A continuous process of producing carbonaceous pitch, including heat-treating an aromatic heavy oil for obtaining a first cracked product, and thermally cracking the first product in a cracking zone by direct contact with a gaseous heat ...  
JPH0312599B2  
JPH0245673B2  
JPH0216954B2
An apparatus and process for delivering fluidization gas to a bed of particulate solids to selectively locally fluidize the solids above a delivery conduit in communication with a reaction chamber. Also an apparatus and process for intim...  
JPH0153994B2
Apparatus and process for quenching and cooling reactor effluent. The apparatus includes a section for introducing relatively cool particulate solids into a hot effluent stream to effect initial quenching and a section to further cool th...  
JPH0150274B2
A starting pitch for carbon fibers, obtained by mixing (1) a heavy fraction oil boiling at not lower than 200 DEG C. obtained at the time of steam cracking of petroleum with (2) wax and then heat treating the resulting mixture at a speci...  
JPH0145516B2  
JPH0139716B2
A process and system for vaporizing heavy oil prior to thermal cracking to olefins, by flashing with steam in first mixer, superheating the vapor, and flashing in second mixer the liquid from first mixer.  
JPH01502199A
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.  
JPH0130879B2
A high crystalline coke can be prepared by heat-soaking a petroleum feedstock in the presence of added dissolved sulfur, heating to effect controlled thermal cracking thereof, separating non-crystalline substances as pitch, recovering a ...  
JPH01108296A
PURPOSE: To improve a reaction rate and conversion rate, etc., by adding an aq. ammonium sulfate soln. to heavy hydrocarbon raw material oil before crack ing and executing a pretreatment under prescribed conditions at the time of crackin...  
JPS63304091A
1. A process for the steam cracking, in a fluid bed reaction zone, of a hydrocarbon charge containing at least two carbon atoms per molecule, comprising a step of heating said charge in a first part of said reaction zone by contact with ...  
JPS6329916B2  
JPS6384632A
A catalytic cracking process operates with fragment generation, by thermally or catalytically cracking a hydrogen-rich hydrocarbon feed in the lower region of a riser reactor in the presence of conventional FCC catalyst and, preferably, ...  
JPS62290792A
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 residue. Thermal cracking of the residues...  
JPS62263283A
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 p...  
JPS62232490A
Diesel range fuel is produced in excess of gasoline range fuel from virgin hydrocarbon oils having low carbon content by heat soaking under mild thermal cracking conditions carried out at low pressure wherein the cracked fractions are re...  
JPS6239191B2
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.  
JPS6239192B2
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 cr...  
JPS6160879B2
A process and system for vaporizing heavy oil prior to thermal cracking to olefins, by flashing with steam in first mixer, superheating the vapor, and flashing in second mixer the liquid from first mixer.  
JPS6158515B2
A heavy hydrocarbon feed stock is, after being heat-treated in a first cracking zone, is introduced into a second thermal cracking zone for obtaining a thermally cracked product and a pitch product. The second cracking zone has a plurali...  
JPS6158514B2
A heavy hydrocarbon feed stock is, after being heat-treated in a first cracking zone, introduced into a second thermal cracking zone for obtaining a thermally cracked product and a pitch product. The second cracking zone has a plurality ...  
JPS6158513B2  
JPS61501574A
A process for pretreating residual oil by thermal regenerative vaporizing and pretreatment at short residence times and catalytically cracking the pretreated effluent from the thermal regenerative pretreatment process.  
JPS61163992A
PURPOSE: To continuously produce a pitch suitable for use as a raw material of a carbon fiber with high efficiency, by heat treating a raw aromatic oil to convert it into a pitch, subjecting the pitch to thermal decomposition to form a g...  
JPS61501454A
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...  
JPS6126838B2  
JPS619349B2  
JPS6112789A
PURPOSE: To prevent coking trouble and thermally crack heavy oil, by thermally cracking the heavy oil to separate the oil into the vapor phase component and the liquid phase component, removing the spherulitic component from the liquid p...  
JPS6058279B2  
JPS60223894A
Heavy crudes are demetalized with low solids rejection by sequential oxidation, mild coking and deasphalting.  
JPS60144388A
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.  
JPS6032607B2  
JPS5940187B2  
JPS5927788B2
Maximum conversion of heavy distillates to LPG is achieved through a combination process involving two stage hydrocracking.  
JPS5925886A
PURPOSE: To obtain a thermal cracked oil in high yield, by thermally cracking a heavy oil at a high temperature in the first stage, taking out the resultant thermal cracked oil and decomposition residue, thermally cracking the thermal cr...  
JPS594475B2
PURPOSE:To carry out the catalytic cracking of heavy oil to light oil and an olefin- rich fraction, in high yield, without producing tar, pitch, etc., by adding a low- activity catalyst to the heavy oil, and heating under specific condit...  
JPS593507B2  
JPS591430B2  
JPS58223602A
PURPOSE: To carry out the steam reforming of heavy oil in high efficiency and to obtain hydrogen-rich gas, by connecting plural sets of thermal cracker and reformer in series, and supplying the most part of the reforming steam to the fir...  
JPS58213086A
A fluid coking process is provided in which a carbonaceous feed (10) is first coked in a dense fluidized bed first coking zone (12) and the effluent of the dense bed is passed as a suspension through a transferline second coking zone (18...  
JPS5851980B2  
JPS5850278B2  
JPS58142979A
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.  
JPS582385A
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.  

Matches 351 - 400 out of 422