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WO/2001/060951A1 |
According to this invention, there is provided a novel process and opposition for catalytic cracking of various petroleum based heavy feed stocks in the presence of solid zeolite catalyst and high pore size acidic components for selectiv...
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WO/2001/051590A1 |
The hydrocarbon to be used, together with water vapour, is subjected to thermal steam cracking, whereby said hydrocarbon is in the vapour state. The hydrocarbon is heated to temperatures ranging from 700 to 1,000 °C during steam crackin...
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WO/2001/044409A1 |
The invention concerns a device and a method for catalytic cracking of a hydrocarbon feedstock in at least two reaction zones, one (30) having an upflow of catalyst, wherein the feedstock and the catalyst derived from the regeneration zo...
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WO/2001/034727A1 |
The invention is related to a catalyst and a process for selectively producing light (i.e., C¿2?-C¿4?) olefins from a catalytically cracked or thermally cracked naphtha stream. The naphtha stream is contacted with a catalyst containing...
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WO/2001/034730A1 |
This invention relates to a process to produce propylene from a hydrocarbon feed stream, preferably a naphtha feed stream, comprising C¿5? and C¿6? components wherein a light portion having a boiling point range of 120 °C or less is i...
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WO/2001/034729A1 |
This invention is related to a catalytically cracked or thermally cracked naphtha stream. The naphtha stream is contacted with a catalyst containing from about 10 to 50 wt.% of a crystalline zeolite having an average pore diameter less t...
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WO/2001/034731A1 |
The invention is related to a two step process wherein the first step comprises cracking an olefinic naphtha resulting in a cracked product having a diminished total concentration of olefinic species. The second step comprises hydroproce...
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WO/2001/032806A1 |
Provided herein is a method and apparatus for selective deep catalytic crracking of petroleum naphthas or other hydrocarbon feedstocks. The feed comprising the hydrocarbons to be cracked and steam, in well-defined proportions, is first s...
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WO/2001/032807A1 |
Apparatus for processing a heavy hydrocarbon feed includes a heater (11) for heating the heavy hydrocarbon feed. The heated feed is fed to an atmospheric fractionating tower (12), producing light atmospheric fractions and atmospheric bot...
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WO/2001/027224A1 |
A two-stage process for converting petroleum residua and other low value oils to high valued gasoline blendstocks and light olefins. The first stage is comprised of a thermal process unit containing a reaction zone comprised of a horizon...
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WO/2001/005908A1 |
The invention relates to a process for producing gasoline and diesel from waste plastics and/or heavy oil and comprises the steps of: (a) mixing waste plastics and/or heavy oil with a first catalyst in a pyrolysis reactor at a high tempe...
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WO/2001/004236A1 |
The invention concerns a method and a device for steam cracking hydrocarbons which consists in heating a mixture of hydrocarbons and water vapour to a desired temperature sufficiently high to crack the hydrocarbons and transform them int...
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WO/2001/000750A1 |
A process for catalytic converting hydrocarbons feedstock to produce prolifically both diesel oil and liquefied gas in the riser or fluidized bed reactor, which comprising: (a) feeding gasoline feedstock, optional pre-lifting media and c...
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WO/2000/078894A1 |
A process for cracking an olefin-containing hydrocarbon feedstock which is selective towards light olefins in the effluent, the process comprising passing a hydrocarbon feedstock containing one or more olefins through a reactor containin...
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WO/2000/040672A1 |
The propylene production of a fluid catalytic cracking unit (10) employing a large pore zeolite cracking catalyst, produces more propylene by adding a naphtha cracking riser (12) and a medium pore zeolite catalytic component to the unit ...
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WO/2000/029508A1 |
The invention concerns a method for catalytic cracking on an entrained bed of a hydrocarbon feed in two reaction zones, one (1) with catalyst descending flow, the other (2) with ascending flow. The method consists in introducing a load (...
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WO/2000/014036A1 |
This invention relates to a process for the production of olefins from a hydrocarbon, said process comprising the steps of: a) providing a first feed stream comprising a gaseous fuel and an oxygen-containing gas, b) contacting said first...
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WO/1999/057224A1 |
A three stage hydroprocessing process includes two liquid and one vapor reaction stages, with a hydrogen containing vapor effluent produced in both liquid stages. The second liquid stage vapor effluent comprises part of the first liquid ...
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WO/1999/057086A1 |
A process for selectively producing C¿2?-C¿4? olefins from a catalytically cracked or thermally cracked naphtha stream. The naphtha stream is contacted with a catalyst containing from about 10 to 50 wt.% of a crystalline zeolite having...
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WO/1999/057230A1 |
A two stage process for selectively producing C¿2? to C¿4? olefins from a gas oil or resid. The gas oil or resid is reacted in a first stage comprised of a fluid catalytic cracking unit wherein it is converted in the presence of conven...
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WO/1999/041331A1 |
The invention relates to a method for cracking hydrocarbons, according to which in a first process step a cracking stock (I) is subjected to essentially catalytic cracking on a fluidized fixed-bed catalyst (FCC method). To obtain the gre...
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WO/1999/003951A1 |
A residuum feedstock is upgraded in a short vapor contact time thermal process unit (11) comprised of a horizontal moving bed of fluidized hot particles and is then fed to a fluid catalytic cracking reactor (17). Hot flue gases from the ...
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WO/1998/058040A1 |
A residuum feedstock is subjected to a fluidized bed coking process wherein the feedstock is introduced into a first stage short vapor contact time reactor (1) containing a horizontal moving bed of fluidized hot particles to partially co...
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WO/1998/056740A1 |
The invention provides a process for improving the conversion of a hydrocarbon feedstock to light olefins comprising the steps of thermally converting the hydrocarbon feedstock to produce an effluent; quenching the effluent to produce a ...
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WO/1998/056877A1 |
The invention provides a process for improving the conversion of a hydrocarbon feedstock to light olefins comprising the steps of first contacting the hydrocarbon feedstock with a light olefin producing cracking catalyst and subsequently...
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WO/1998/056873A1 |
The invention provides an improvement in processes for cracking hydrocarbons to prime olefins, ethylene and propylene, which comprises applying a positive temperature gradient across a catalyst contact zone. The temperature gradient may ...
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WO/1998/027032A1 |
A two-stage process for obtaining a substantial amount of olefinic product from a residua feedstock. The first stage is comprised of a thermal process unit containing a reaction zone comprised of a horizontal moving bed of fluidized hot ...
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WO/1998/027031A1 |
A two-stage process for obtaining a substantial amount of olefinic product from a residua feedstock includes a first stage and a second stage. The first stage, having a short residence time, includes a thermal process unit containing a r...
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WO/1998/005738A1 |
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) compri...
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WO/1997/031083A1 |
A process for obtaining a substantial amount of olefinic products from a residual and other heavy feedstocks by use of a vapor short contact time thermal process unit comprised of a horizontal moving bed of fluidized heat transfer solids...
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WO/1997/028233A1 |
Disclosed is a method for improving fluid cracking catalyst performance by increasing metal contamination incrementally while cracking two different feedstocks that have different concentrations of metal contaminants. The relative amount...
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WO/1997/027273A1 |
The present invention is directed to a process and apparatus for the reclaiming and re-refining of waste oils. The process comprises raising a temperature of a feed mixture of fresh waste oil and a recycled non-volatile residue to a rang...
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WO/1997/004043A1 |
A residuum feedstock (10) is upgraded in a short vapor contact time thermal process unit (11) comprised of a horizontal moving bed of fluidized hot particles. The resulting upgraded product (14) is then fed to a fluid catalytic cracking ...
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WO/1995/013255A1 |
A novel process having improved flexibility in olefins production is provided which integrates a deep catalytic cracking with a steam cracking process, and optionally, also including steps of disproportionation and C-4 hydrocarbon proces...
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WO/1995/007959A1 |
The invention relates to a process and device with a convection zone (A) and a radiation zone (B) in which the process has a first stage for the precracking of a charge of light hydrocarbons (1) and a second stage for the subsequent co-c...
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WO/1990/015118A1 |
A process and device for the vapour-phase cracking of hydrocarbons in a furnace (10) with rectilinear monopass tubes (12) which are connected to each other at their outlet end by a collector (18). In said collector a limited pre-quenchin...
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WO/1990/011340A1 |
A catalytic cracking process is provided featuring multiple risers (26, 27) in which a variety of hydrocarbon conversion reactions take place, a stripping unit (36) in which entrained hydrocarbon material is removed from catalyst and a r...
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WO/1988/001638A1 |
Activation of heavy hydrocarbon feeds, preferably by thermal treatment, improves downstream catalytic processing. One embodiment of such thermal treatment is shown in figure 2. A hydrocarbon resid (209) is first pretreated in a microwave...
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WO/1986/002376A1 |
Process for the production of olefins from heavy oils. Heavy feed is first cracked at high temperatures and low residence times then separated into three fractions of light, medium and heavy oils. The light and medium fractions are crack...
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WO/1985/004181A1 |
Hydrocarbon feedstock (16), especially those high in Ramsbottom carbon, are vaporized by contact with a relatively inactive coke catalyst in a decarbonization zone (14), separating the resulting intermediate into a high boiling fraction ...
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WO/1985/004182A1 |
A process for pretreating residual oil and subsequently catalytically cracking the same as depicted in figure 2. Said process comprising introducing the hydrocarbon feed (20) into reaction zone (6) of the pretreatment zone wherein the fe...
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WO/1984/001581A1 |
Process for the production of enhanced benzene, toluene, xylene (BTX) yields from heavy hydrocarbon. A heavy hydrocarbon, such as kerosene or heavier hydrocarbon, is partially cracked in a conventional pyrolysis furnace. At the same time...
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WO/1984/001310A1 |
Process and apparatus for cracking light hydrocarbon feedstock and heavy hydrocarbon feedstock in a combined system. The light hydrocarbon feedstock is completely cracked while the heavy hydrocarbon feedstock is partially cracked with a ...
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WO/1982/004062A1 |
A combination process for upgrading residual oils and high boiling portions thereof comprising metal contaminants and high boiling Conradson carbon forming compounds comprising a thermal visbreaking operation with fluidizable inert solid...
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JP2024501053A |
Methods and systems for producing raw materials and for producing truly circular polymers. The system and method includes treating a waste-derived hydrocarbon stream, such as a plastic waste pyrolysis oil, with a catalyst mixture in a fi...
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JP2023529258A |
A mixture of hydrocarbons with an olefin content between 5 and 50% by weight and boiling more than 90 vol. A process for preparing propylene from a hydrocarbon feed containing up to 10 wt. It is directed to contacting cracking catalyst w...
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JP7281473B2 |
Systems and processes are disclosed for producing petrochemical products, such as ethylene, propene and other olefins from crude oil in high severity fluid catalytic cracking (HSFCC) units. Processes include separating a crude oil into a...
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JP2023517244A |
A reactor system configured to efficiently remove contaminants (CCR, nickel, vanadium, nitrogen, sodium, iron, calcium, chlorine, etc.) from the heavy fraction of crude oil. The product is transferred to a common main fractionation secti...
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JP7238203B2 |
Apparatus and processes herein provide for converting hydrocarbon feeds to light olefins and other hydrocarbons. The processes and apparatus include a conventional riser reactor in combination with a mixed flow (e.g., including both coun...
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JP2022540497A |
The apparatus and processes in the present disclosure provide for converting hydrocarbon feeds to light olefins and other hydrocarbons. The process and apparatus, in some embodiments, include feeding a hydrocarbon, a first catalyst, and ...
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