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7622032 |
Hydrocarbon conversion using molecular sieve SSZ-74
The present invention relates to new crystalline molecular sieve SSZ-74 prepared using an hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication as a structure-directing agent, and processes...
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7615143 |
Hydrothermally stable catalyst and its use in catalytic cracking
There is provided a catalyst composition having improved hydrothermal stability for the catalytic cracking of a hydrocarbon feedstock to selectively produce propylene. The catalyst composition...
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7611622 |
FCC process for converting C3/C4 feeds to olefins and aromatics
A dual riser FCC process for converting C 3 /C 4 -containing feedstocks to aromatics. First and second hydrocarbon feeds ( 5, 6 ) are supplied to the respective first and second risers ( 2, 4 ) in...
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7598202 |
Use of cationic layered materials, compositions comprising these materials, and the preparation of cationic layered materials
Novel compositions of matter comprising a cationic layered material and a second compound. The second compound has a reflection in its XRD pattern at 18.5 degrees two-theta, and s second reflection...
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7594995 |
Catalyst composition for treating heavy feedstocks
The present invention provides a catalyst and a process for its preparation and its use in cracking heavy feedstocks. The catalyst comprises one or more zeolites having a controlled silica to...
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7594992 |
Highly homogeneous amorphous silica-alumina catalyst composition
Silica-alumina catalyst compositions and to a process for converting hydrocarbonaceous feed using the catalyst are disclosed. The present invention relates to a highly homogeneous, amorphous...
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7589247 |
Process for cracking an olefin-rich hydrocarbon feedstock
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...
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7579513 |
Method for the direct conversion of a charge containing olefins comprising a minimum of four or five carbon atoms, for producing propylene
The invention concerns a process for producing propylene, especially from a light steam cracking and/or catalytic cracking cut, preferably comprising both butenes and pentenes, said process...
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7576025 |
Composition for reducing Ox emissions in FCC regeneration process
A composition comprising FCC catalyst particles and additive particles suitable for the reduction of NO x emissions from a FCC regenerator, said additive particles comprising a Mg and...
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7547813 |
ZSM-5 additive
A catalyst composition suitable for reacting hydrocarbons such as in fluidized catalytic cracking (FCC) comprises an attrition-resistant particulate having at least 30% of an intermediate pore...
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7510644 |
Zeolites and molecular sieves and the use thereof
A method for making a zeolite includes providing a reaction mixture containing mixed inorganic oxides and an organic templating agent, heating the reaction mixture, removing the templating agent at...
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7504021 |
FCC process using mesoporous catalyst
This invention relates to a FCC process using a mesoporous catalytic cracking catalyst. The mesoporous fluidized catalytic cracking catalyst is selective for minimizing the production of coke and...
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7497942 |
Catalyst additives for the removal of NH3 and HCN
In the regeneration of a cracking catalyst in a regeneration zone operated in a partial combustion mode, NH 3 and HCN in the regenerator flue gas are reduced by incorporating into the regenerator...
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7459073 |
Hydrocarbon conversion using molecular sieve SSZ-47B
The present invention relates to new crystalline molecular sieve SSZ-47B prepared using a N-cyclopentyl-1,4-diazabicyclo[2.2.2] octane cation as a structure-directing agent and an amine too large...
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7459596 |
Nanocrystalline silicalite for catalytic naphtha cracking
A method is provided for converting a hydrocarbon feedstock in the naphtha boiling range to light olefins. The method includes contacting the hydrocarbon feedstock with a zeolitic material having a...
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7449169 |
Microporous crystalline zeolite material (zeolite ITQ-22), synthesis method thereof and use of same as a catalyst
The present invention refers to a microporous crystalline material of zeolitic nature (ITQ-22) which, in the calcined state, has the empirical formula x(M1/nX02):yYO2:zR:wH20 wherein
M is...
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7431826 |
Discarded FCC equilibrium catalyst through reclamation
The invention relates to the partial recovery of discarded, spent, or waste fluid catalytic cracking (FCC) equilibrium catalyst by use of a separation device located off site, away from any FCC...
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7425663 |
Method for production propylene from a flow containing C4 to C8 olefins
In a method for the production of propylene, a charge stream containing C 4 to C 6 olefins is evaporated, superheated, mixed with hot water vapor, the olefins vapor mixture converted on a zeolite...
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7425258 |
C6 recycle for propylene generation in a fluid catalytic cracking unit
The present invention relates to a process for selectively producing C 3 olefins from a catalytically cracked or thermally cracked naphtha stream. The process is practiced by recycling a C 6 rich...
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7414166 |
Minimizing catalyst backflow in fluidized bed reactors
This invention provides feed introduction devices, and processes for using same, which minimize catalyst clogging. In particular, the invention is to a feed introduction device having a first end...
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7381322 |
Resid cracking apparatus with catalyst and adsorbent regenerators and a process thereof
This invention provides a resid cracking apparatus comprising a riser, reactor, stripper cum separator with adjustable outlets in flow communication with adsorbent and catalyst regenerators for...
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7375257 |
Process for cracking an olefin-rich hydrocarbon feedstock
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...
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7371316 |
Production of lower molecular weight hydrocarbons
A catalytic composition useful for cracking and reducing the viscosity of heavy hydrocarbons. The catalytic composition comprises Portland cement, a volcanic ash component, titanium dioxide, and a...
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7347930 |
Process for cracking hydrocarbon oils
A novel process for cracking olefins including contacting a hydrocarbon oil with a catalyst in a riser reactor having multiple reaction zones under cracking reaction conditions; separating reaction...
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7326332 |
Multi component catalyst and its use in catalytic cracking
A multi component catalyst and catalytic cracking process for selectively producing C 3 olefins. The catalyst comprises a first molecular sieve having an intermediate pore size, a second molecular...
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7309416 |
Methods and compositions for desulfurization of hydrocarbon fuels
Sulfur is removed from a hydrocarbon fuel via contact with a desulfurization agent; the desulfurization agent is then regenerated (wherein sulfur is released) by exposing it to oxygen. The sulfur...
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7297249 |
Heterogeneously catalyzed reactions and apparatus therefor
A fixed-bed reactor is described for carrying out reactions of fluid reaction mixtures in the presence of a particulate heterogeneous catalyst having a structured packing which forms interstices in...
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7154015 |
Process for the production of propylene from olefinic streams
Process for the production of propylene starting from mixtures of hydrocarbons, prevalently olefins, the above hydrocarbons having a boiling point ranging from −15° C. to +80° C., preferably...
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7153413 |
Gasoline sulfur reduction in fluid catalytic cracking
The sulfur content of liquid cracking products, especially the cracked gasoline, is reduced in a catalytic cracking process employing a cracking catalyst containing a high content of vanadium. The...
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7151199 |
Hydrocarbon conversion processes using non-zeolitic molecular sieve catalysts
Hydrocarbon or oxygenate conversion process in which a feedstock is contacted with a non zeolitic molecular sieve which has been treated to remove most, if not all, of the halogen contained in the...
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7125817 |
Combined cracking and selective hydrogen combustion for catalytic cracking
A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one...
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7122495 |
Combined cracking and selective hydrogen combustion for catalytic cracking
A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst system contains at least one solid acid component and at least one...
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7122492 |
Combined cracking and selective hydrogen combustion for catalytic cracking
A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one...
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7122494 |
Combined cracking and selective hydrogen combustion for catalytic cracking
A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one...
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7115198 |
Hydrocarbon conversion using molecular sieve SSZ-51
A novel crystalline aluminophosphate and metalloaluminophosphate of the molecular sieve type, denominated SSZ-51, is prepared by hydrothermal synthesis from reactive sources of aluminum and...
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7087155 |
Production of olefins
A process for cracking an olefin-rich hydrocarbon feedstock which is selective towards light olefins in the effluent, the process comprising contacting a hydrocarbon feedstock containing olefins...
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7083714 |
Hydrocarbon conversion using molecular sieve SSZ-65
The present invention relates to new crystalline molecular sieve SSZ-65 prepared using 1-[1-(4-chlorophenyl)-cyclopropylmethyl]-1-ethyl-pyrrolidini
um or...
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7045056 |
CO oxidation promoters for use in FCC processes
A composition for controlling CO and NO x emissions during FCC processes comprises (i) acidic oxide support, (ii) cerium oxide, (iii) lanthanide oxide other than ceria such as praseodymium oxide...
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7041866 |
Solid-acid isomerization catalyst and process
A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated...
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7033487 |
FCC catalyst for reducing the sulfur content in gasoline and diesel
A catalyst composition comprising about 5–55 wt % metal-doped anionic clay, about 10–50 wt % zeolite, about 5–40 wt % matrix alumina, about 0–10 wt % silica, about 0–10 wt % of other...
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7025873 |
Use of cationic layered materials, compositions, comprising these materials, and the preparation of cationic layered materials
Cationic layered materials, a process for their preparation and their use in hydrocarbon conversion, purification, and synthesis processes, such as fluid catalytic cracking. Cationic layered...
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6998037 |
Use of zeolite ITQ-21 in the catalytic cracking of organic compounds
The present invention relates to the use of zeolite ITQ-21 in a process of catalytic cracking of organic compounds. In said cracking process the zeolite ITQ-21 can be present in the catalyst as the...
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6977321 |
Production of propylene
A process for the production of propylene from an olefinic feedstock containing at least one olefin of C 4 or greater, the process comprising contacting the olefinic feedstock with a catalyst of...
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6977322 |
Isomerization catalyst and processes
A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a tungstated...
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6953872 |
Process of producing C2 to C4 olefins from a feed mixture containg C4 to C8 olefins
This invention relates to a process of producing C2- to C4-olefins from steam and a feed mixture containing C4- to C8-olefins, wherein the feed mixture containing steam is introduced into a reactor...
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6942783 |
Enhanced FCC catalysts for gas oil and resid applications
A fluid catalytic cracking catalyst is provided with a high porosity by in-situ crystallizing an aluminosilicate zeolite from a reactive microsphere comprising metakaolin and hydrous kaolin. Any...
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6930217 |
Catalyst containing microporous zeolite in mesoporous support and method for making same
A catalytic material includes a microporous zeolite supported on a mesoporous inorganic oxide support. The microporous zeolite can include zeolite beta, zeolite Y or ZSM-5. The mesoporous inorganic...
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6916459 |
Zeolite ITQ-16
This invention refers to a new zeolitic material included under the ITQ-16 denomination, to the method for obtaining them and their use as catalysts. This material, ITQ-16 zeolite, is...
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6908544 |
Cracking catalyst comprising layered clays and a process for cracking hydrocarbon oils using the same
The present invention relates to a cracking catalyst comprising layered clays and a process for cracking hydrocarbon oils using said catalyst. Said catalyst is prepared by the process comprising...
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6902665 |
Reduced NOx combustion promoter for use in FCC processes
Compositions comprising a component containing (i) an acidic oxide support, (ii) an alkali metal and/or alkaline earth metal or mixtures thereof, (iii) a transition metal oxide having oxygen...
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