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7629499 Process for transalkylation of alkyl-aromatic hydrocarbons used in two reaction zones  
A process for transalkylation of an alkyl-aromatic hydrocarbon feedstock that has at least 9 carbon atoms per molecule that comprises a) the introduction of said alkyl-aromatic hydrocarbon...
7626064 Transalkylation process  
This invention embodies a catalyst and a process for transalkylation of C 7 , C 9 , and C 10 aromatics to obtain a high yield of xylenes. The catalyst comprises a novel UZM-14 catalytic material...
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...
7605295 Integrated process yielding xylenes from mixed aromatics  
The subject invention comprises an aromatics complex to improve yields from a mixed aromatics feed. Through the use of a novel catalyst having higher activity and stability in a transalkylation...
7601311 Integrated process for producing xylenes and high purity benzene  
Processes and apparatus are provided that provide high yields of xylenes per unit of aromatic-containing feed while enabling a high purity benzene co-product to be obtained without the need for an...
7576249 Toluene disproportionation process utilizing mild sulfiding during startup  
A process for the disproportionation of toluene over a nickel-modified mordenite catalyst which has been pretreated with mild sulfiding procedure. The sulfur dose is employed in a minor amount...
7572945 Toluene disproportionation catalyst  
A process for the disproportionation of a toluene containing feedstock employing a nickel modified mordenite catalyst comprising particulate mordenite having nickel dispersed throughout the...
7566810 Xylene production processes employing rhenium-containing catalysts  
Processes for making xylene employ catalysts containing rhenium and a molecular sieve component comprising an acidic MFI molecular sieve having a Si/Al 2 molar ratio of less than about 80 and...
7563358 Process for the production of benzene, toluene, and xylenes  
A hydrocarbon conversion process for producing an aromatics product containing of benzene, toluene, xylenes, or mixtures thereof. The process is carried out by converting precursors of benzene,...
7550073 Hydrocarbon conversion using molecular sieve SSZ-70  
The present invention relates to new crystalline molecular sieve SSZ-70 prepared using a N,N′-diisopropyl imidazolium cation as a structure-directing agent, methods for synthesizing SSZ-70 and...
7544848 Integrated process for producing xylenes and high purity benzene  
Processes and apparatus are provided that provide high yields of xylenes per unit of aromatic-containing feed while enabling a high purity benzene co-product to be obtained without the need for an...
7544849 Catalyst treatment useful for aromatics conversion process  
A process for preparing a transalkylation catalyst, the catalyst itself, and a transalkylation process for using the catalyst are herein disclosed. The catalyst comprises rhenium metal on a...
7537685 Hydrocarbon conversion using molecular sieve SSZ-71  
The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent, methods for synthesizing SSZ-71 and...
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...
7488861 Process for the co-production of cumene and secondary butyl benzene  
Cumene and secondary butyl benzene are produced simultaneously in a distillation column reactor by feeding propylene, butylene and benzene to the reactor. Unreacted benzene is removed as overheads...
7485763 Using a catalyst having two different zeolites for transalkylation of a C9+ aromatic feed  
In a process for converting C 9 + aromatic hydrocarbons to lighter aromatic products a feed comprising C 9 + aromatic hydrocarbons is contacted under transalkylation reaction conditions with a...
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...
7432405 Production of diisopropylbenzene by disproportion of cumene in the presence of a TEA-mordenite catalyst  
A process for the disproportionation of cumene is disclosed which comprises the step of contacting a feed containing cumene, under disproportionation conditions, with a catalyst comprising a...
7423190 Synergistic rhenium and germanium-containing catalysts potentiated with tin and alkylaromatic transalkylation processes using such catalysts  
Transalkylation catalysts comprising acidic molecular sieve, rhenium, tin and germanium have good activities and attenuate aromatic ring saturation and lights co-production.
7419931 Catalyst comprising a 10MR zeolite and a 12MR zeolite, and its use in transalkylation of alkylaromatic hydrocarbons  
A catalyst is described which comprises at least one zeolite with channels with openings defined by a ring having 10 oxygen atoms (10 MI), at least one zeolite with at least channels or side...
7414163 Iridium and germanium-containing catalysts and alkylaromatic transalkylation processes using such catalysts  
Transalkylation catalysts comprising acidic molecular sieve, iridium and germanium have good activities and attenuate aromatic ring saturation and lights co-production where high atomic ratios of...
7411102 Palladium and germanium-containing catalysts and alkylaromatic transalkylation processes using such catalysts  
Transalkylation catalysts comprising acidic molecular sieve, palladium and germanium have good activities and attenuate aromatic ring saturation and lights co-production provided that sufficient...
7411101 Production of alkylaromatic compounds  
A process for producing a monoalkylation aromatic product, such as ethylbenzene and cumene, utilizing an alkylation reactor zone and a transalkylation zone in series or a combined alkylation and...
7402545 Catalyst that comprises at least one bog-structured zeolite and its use in transalkylation of alkyl-aromatic hydrocarbons  
This invention relates to a catalyst that contains at least one BOG-structured zeolite that comprises silicon and at least one Element T that is selected from the group that is formed by aluminum,...
7390395 Hydrocarbon conversion using molecular sieve SSZ-56  
The present invention relates to new crystalline molecular sieve SSZ-56 prepared using a N,N-diethyl-2-methyldecahydroquinolinium cation as a structure directing agent, methods for synthesizing...
7371911 Critical phase alkylation and transalkylation process in the presence of a beta zeolite  
A process for the production of ethylbenzene by the ethylation of benzene in the critical phase in a reaction zone containing a molecular sieve aromatic alkylation catalyst comprising...
7368619 Process for the production of diesel and aromatic compounds  
A process for the production of low sulfur diesel and aromatic compounds wherein C 9 + hydrocarbons are hydrocracked to produce low sulfur diesel and a naphtha boiling range stream which is...
7361798 Production of dialkylbenzenes  
The invention relates to a process for producing a desired dialkylbenzene isomer having a formula R 2 C 6 H 4 , where R is an alkyl substituent, by contacting a polyalkylbenzene compound of formula...
7326818 Selectivation of molecular sieve catalysts and use therof in hydrocarbon conversion  
In a process for preparing a selectivated catalyst composition useful in the disproportionation of toluene, a catalyst comprising an acidic molecular sieve is contacted with a boron compound at a...
7304195 Process for increasing production of benzene from hydrocarbon mixture  
A process for increasing the production of benzene from a hydrocarbon mixture. A process for producing an aromatic hydrocarbon mixture and liquefied petroleum gas (LPG) from a hydrocarbon mixture,...
7301063 Process for increasing production of light olefin hydrocarbon from hydrocarbon feedstock  
A process for increasing the production of light olefin hydrocarbons from a hydrocarbon feedstock. A process for producing an aromatic hydrocarbon mixture and liquefied petroleum gas (LPG) from a...
7297831 Process of preparing aromatic hydrocarbons and liquefied petroleum gas from hydrocarbon mixture  
Disclosed is a process of preparing aromatic hydrocarbons and liquefied petroleum gas (LPG) from a hydrocarbon mixture, in which a non-aromatic compound in the hydrocarbon feedstock mixture is...
7271303 Multi-zone process for the production of diesel and aromatic compounds  
A multi-zone process for the production of low sulfur diesel and aromatic compounds wherein C 9 + hydrocarbons are hydrocracked to produce low sulfur diesel and a naphtha boiling range stream...
7268264 Critical phase alkylation process  
A process for the production of ethylbenzene by the ethylation of benzene in the critical phase over a molecular sieve aromatic alkylation catalyst. An aromatic feedstock having a benzene content...
7265252 Process for xylene production  
A process for the conversion of a hydrocarbon feedstock to produce xylene compounds. The feedstock is selectively hydrocracked and introduced into a transalkylation zone with a hydrocarbonaceous...
7249469 Method for separating a multicomponent stream  
This invention relates to a method for separating a stream having benzene, toluene and alkyl benzene, said method comprising: feeding the stream into a first distillation column, wherein the stream...
7241930 Transalkylation of aromatic fluids  
A process for making an ethylated polycyclic aromatic compound in a mixed aromatic fluid, the process comprising contacting the mixed aromatic fluid containing a polycyclic aromatic compound and a...
7230152 Process for selective aromatics disproportionation with increased conversion  
An improved process is disclosed for the selective disproportionation of toluene. The process preferably uses a disproportionation catalyst comprising a pentasil type zeolite such as MFI that is...
7189887 Process for removing naphthalene from alkylaromatics  
A process for the reduction of naphthalene in process streams containing alkylaromatic solvents. Naphthalene is contacted with alkylbenzenes in a distillation column reactor in the presence of...
7154014 Alumina guard bed for aromatics transalkylation process  
A transalkylation process for reacting carbon number nine aromatics with toluene to form carbon number eight aromatics such as para-xylene is herein disclosed. The process is based on the discovery...
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...
7148391 Heavy aromatics processing  
In a process for converting C 9 + aromatic hydrocarbons to lighter aromatic products a feed comprising C 9 + aromatic hydrocarbons is contacted under transalkylation reaction conditions with a...
7128883 Process and apparatus for ethylbenzene production and transalkylation to xylene  
The use of two transalkylation catalysts to react aromatic compounds of carbon number nine (and heavier carbon numbers) with benzene to form carbon number eight aromatics is disclosed. The two...
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...
7109389 Process for the disproportionation and transalkylation of toluene and heavy aromatics  
A process for the disproportionation and transalkylation of toluene and the heavy aromatics comprises: subjecting a first stream of toluene, and a stream enriched in aromatics of nine carbon atoms...
7094941 Selectivated metallosilicate catalyst composite for alkyl aromatic conversion, process for the preparation thereof, use thereof in hydrocarbon conversion  
A repeated “soak and dry” selectivation process for preparing a modified metallosilicate catalyst composite is disclosed comprising of a mixture of amorphous silica, alumina and a pore size...
7091390 Hydrocarbon conversion processes using catalysts comprising UZM-8 and UZM-8HS compositions  
Hydrocarbon conversion processes using a new family of zeolites identified as UZM-8 and UZM-8HS are described. The UZM-8 and UZM-8HS are related in that the UZM-8HS are derived from the UZM-8...
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...
7081556 Aromatics conversion with ITQ-13  
There is provided a process for aromatics conversion by contacting a feed suitable for aromatics conversion under conversion condition and in the presence of a catalyst comprising ITQ-13. Examples...
7029651 Microporous crystalline material (ITQ-19) with laminar characteristics, preparation method and use thereof as a catalyst in the catalytic conversion of organic compounds  
The invention relates to a novel microporous crystalline material ITQ-19 used in the catalytic conversion of organic compounds, such as, for example, the dewaxing and isodewaxing of paraffins and...
Matches 1 - 50 out of 398 1 2 3 4 5 6 7 8 >