Document |
Document Title |
JP4637434B2 |
The feed hydrocarbon together with steam is passed as vapor through a thermal steam cracking in which it is heated to temperatures in the range from 700 to 1000° C., where a cracking mixture is produced which contains C2- to C6-olefins ...
|
JP2011504476A |
Process for the selective production of ethylene, propylene and isoprene from light hydrocarbons comprising: a) fractionating a butane fraction in a de-isobutanizer to obtain an enriched iso-butane fraction and an enriched normal-butane ...
|
JP2011502777A |
Process for the preparation of an olefinic product, which process comprises reacting an oxygenate feedstock and an olefinic co-feed in a reactor in the presence of an oxygenate conversion catalyst comprising a molecular sieve having one-...
|
JP4620427B2 |
Integration of gas oil and light olefin catalytic cracking zones with a pyrolytic cracking zone to maximize efficient production of petrochemical feedstocks is disclosed. Integration of the units in parallel allows production of an overa...
|
JP2010285410A |
To efficiently produce naphthalene from methylnaphthalene having low demand.Naphthalene is produced by using a raw material comprising methylnaphthalene containing <1 mass% of base components in terms of quinoline and demethylating in th...
|
JP4594382B2 |
A family of microporous aluminosilicate zeolites and substituted versions thereof which are identified as UZM-8 and UZM-8HS have been prepared. These UZM-8 compositions can be prepared using either only one or more organoammonium cations...
|
JP4590435B2 |
A catalytic pyrolysis process for production of ethylene and propylene from heavy hydrocarbons, comprises that heavy hydrocarbons are contacted with a pillared interlayered clay molecular sieve and/or phosphorus and aluminum or magnesium...
|
JP4585729B2 |
A method and apparatus for steam cracking hydrocarbons, which method consists in heating a mixture of hydrocarbons and steam to a desired temperature that is high enough to crack the hydrocarbons and transform them into olefins, the sour...
|
JP2010534567A |
A catalyst composition which comprises a) a carrier which comprises at least 30 wt% of a binder selected from silica, zirconia and titania; at least 20 wt% of a pentasil zeolite, having a bulk silica to alumina ratio in the range of from...
|
JP2010241826A |
To provide a method for cracking an olefin-containing hydrocarbon feedstock which is selective towards light olefins in the effluent.The method includes passing a hydrocarbon feedstock containing olefins through a reactor containing a cr...
|
JP4562731B2 |
In order to maximize the production of propylene when the external supply of ethylene is limited, the C4 cut from a hydrocarbon cracking process is first subjected to autometathesis prior to any isobutylene removal and without any ethyle...
|
JP4543033B2 |
The invention provides a process for the preparation of lower olefins by a thermal cracking process, a process for the preparation of a synthetic hydrocarbon feedstock for such a process, and a composition of a high performance feedstock...
|
JP4539599B2 |
A method of producing methyl methacrylate comprising the following steps: Thermal decomposition step: a hydrocarbon having 3 or more carbon atoms is thermally decomposed to obtain a decomposed gas having a total content of propyne and pr...
|
JP2010188341A |
To provide catalysts including metal carbene complexes which are useful for synthetic chemical reactions. A catalyst complex includes (a) a metal atom selected from the group consisting of ruthenium and osmium, (b) at least one anionic l...
|
JP4536512B2 |
In a process to crack crude oil in the presence steam, super-heated gases pass through pipes with helical inner ribs which twist the rising gases, progressively forming a core zone with a primarily axial flow. The helical ribs impart a t...
|
JP4524280B2 |
The present invention relates to a process for selectively producing C3 olefins from a catalytically cracked or thermally cracked naphtha stream by fractionating the naphtha feed to obtain at least a C6 rich fraction and feeding the C6 r...
|
JP2010150553A |
To improve an economical efficiency of a tube in a heating furnace for thermally decomposing a hydrocarbon by improving creep resistance, carbonization resistance and a coking velocity of the tube, wherein the life of the tube is conside...
|
JP2010138405A |
To provide a process for converting olefins into lighter olefins, in particular into propylene by using less valuable olefins present in refinery and petrochemical plants as a feedstock of a catalytic conversion, a process which produces...
|
JP4477879B2 |
This invention relates to metal complexes which are useful as catalyst components in olefin metathesis reactions, atom or group transfer radical polymerisation or addition reactions and vinylation reactions. It also relates to the direct...
|
JP4477871B2 |
The prsent invention relates to new crystalline zeolite SSZ-60 prepared using a N-ethyl-N-(3,3,5-trimethylcyclohexyl)pyrrolidinium cation or N-ethyl-N-(2,4,4-trimethylcyclopentyl)pyrrolidinium templating agent, and processes employing SS...
|
JP4470276B2 |
|
JP4465851B2 |
To effectively recover an olefin gas, hydrogen, and BTX from a waste plastic. This method comprises a pretreatment step (I) for separating a waste plastic into a polyolefin plastic and other plastics; a thermal decomposition step (II) fo...
|
JP4456876B2 |
A downflow catalytic cracking reactor, comprising the following components: catalyst delivery pipe ( 1 ), reactor top cover ( 2 ), feed nozzle ( 3 ), reactor vessel ( 6 ), downflow reaction pipe ( 9 ), the upper end of the outer body is ...
|
JP4455650B2 |
A vapor/liquid separation apparatus for treating a flow of vapor/liquid mixtures of hydrocarbons and steam comprises a vertical drum with a side inlet to introduce hydrocarbon/steam mixtures, an overhead vapor outlet, and a lower section...
|
JP4438921B2 |
|
JP4432019B2 |
Disclosed are a process for producing aromatic hydrocarbon compounds and liquefied petroleum gas (LPG) from a hydrocarbon feedstock having boiling points of 30-250° C. and a catalyst useful therefor. In the presence of said catalyst, ar...
|
JP2010042343A |
To provide a zeolite type catalyst capable of efficiently manufacturing a lower olefin by suppressing the formation of aromatic components and having high durability under a high temperature steam atmosphere, its manufacturing method and...
|
JP4413919B2 |
The present invention relates to a method for preparing a styrenic olefin. The method of the present invention comprises the steps of: adding a catalyst and a solvent in a reactor and heating the reactor to create a reflux state; adding ...
|
JP2009297715A |
To provide a catalytic method for reduction by the use of a nickel catalyst promoted with silver or gold.The catalytic method for reducing nitrogen oxides with carbon monoxide comprises a process of causing the nitrogen oxides to contact...
|
JP2009545436A |
A doped solid acid catalyst composition comprising at least one solid acid catalyst, at least one metal promoter for solid acid catalyst (a), at least one basic dopant for solid acid catalyst (a), at least one noble metal; and, optionall...
|
JP4383857B2 |
The present invention relates to new crystalline zeolite SSZ-58 prepared using a N-butyl-N-cyclooctylpyrrolidinium cation or N-propyl-cyclooctylpyrrolidinium cation templating agent, and processes employing SSZ-58 in a catalyst.
|
JP4378174B2 |
A catalytic cracking process for selectively producing C2 to C4 olefins is described in which a feedstock containing hydrocarbons having at least 5 carbon atoms is contacted, under catalytic cracking conditions, with a catalyst compositi...
|
JP4373001B2 |
A method and reactor system for catalytic hydrotreating and hydrocracking liquid hydrocarbon feedstock for producing a cracked liquid feedstock having a reduced contaminant level involves introducing the feedstock into the first reaction...
|
JP4348609B2 |
To effectively peel and remove decomposed residues deposited on the heat transfer surface of a pyrolysis vessel which pyrolyses polystyrenes. The pyrolysis apparatus is equipped with a pyrolysis vessel 7 pyrolysing a polystyrene solution...
|
JP2009235248A |
To provide a method for economically producing 6-8C aromatic hydrocarbons such as BTX i.e. benzene, toluene and xylene from heavy oil, and to provide an economically advantageous process.Naphthalene or alkylnaphthalene included in raw ma...
|
JP2009235247A |
To provide a method for economically producing 6-8C aromatic hydrocarbons such as BTX i.e. benzene, toluene and 8C aromatic hydrocarbons from LCO which is heavy oil.The method for economically producing 6-8C aromatic hydrocarbons by: con...
|
JP4344853B2 |
A process for the catalytic conversion of hydrocarbons, in particular for the oligomerization of olefins wherein the catalyst comprises a zeolite which is at least partially in its acid form. The zeolite is a NU-86 zeolite comprising sil...
|
JP2009227614A |
To provide a method of efficiently producing a norbornene derivative of high purity upon producing a specific norbornene derivative.The method of producing the norbornene derivative is characterized by forming cyclopentadiene by subjecti...
|
JP4339551B2 |
A method is provided for conversion of heavy alkylaromatic compounds, particularly those in the C8 - C12 range, into more valuable aromatics of benzene, toluene and xylene utilizing a toluene disproportionation unit containing a nickel, ...
|
JP4337517B2 |
To ensure stable continuous operations of plants in a chemical recycling method for pyrolyzing waste plastics to reutilize them as raw materials for petrochemistry. A plurality of catalytic decomposition tanks filled with a silicate cata...
|
JP4335144B2 |
A method for producing a lower olefin product containing ethylene and propylene as main components in which a hydrocarbon raw material containing olefins is subjected to a catalytic cracking by the use of a zeolite catalyst to produce an...
|
JP2009531530A |
A process for making lower olefins from a heavy hydrocarbon feed by use of a combination of thermal cracking and vapor-liquid separation, and, then, pyrolytically cracking the light fraction of the thermally-cracked heavy hydrocarbon fee...
|
JP4314546B2 |
To provide a processing method for waste plastics capable of enhancing efficiency of a catalyst reaction in a decomposition treatment of the waste plastics using a catalyst. This processing method for waste plastics reclaims a catalytic ...
|
JP2009528426A |
A method for utilizing natural gas condensate as a feedstock for an olefin production plant wherein the feedstock is subjected to vaporization and separation conditions that remove light hydrocarbons from the condensate for thermal crack...
|
JP4284146B2 |
A catalyst regenerator comprises a regenerator vessel housing dense phase catalyst bed, a central upright standpipe portion for receiving spent catalyst to be regenerated, and a center well receiving a lower end of standpipe portion and ...
|
JP4279873B2 |
Provided are a catalyst for hydrocarbon steam cracking for light olefin production and a method for preparing the same. The catalyst is a simple KMgPO4 catalyst, a supported KMgPO4 catalyst, or a KMgPO4-sintered catalyst. The supported K...
|
JP4267722B2 |
The viscosity of quench oil circulated in a pyrolysis fractionation unit is controlled by contacting pyrolysis furnace effluent with a slip stream of 0.1-0.5 kg/kg of the quench oil, separating the resulting vapor-liquid mixture to remov...
|
JP2009518470A |
Processing scheme and arrangement for increasing the relative yield of light olefins involves integration of the cracking a heavy hydrocarbon feedstock to produce an effluent comprising a range of hydrocarbon products including C4-C7 ole...
|
JP2009084227A |
To provide a method for producing benzene by converting ethylbenzene in a C8 aromatic hydrocarbon mixture raw material composed of non-aromatic hydrocarbons, ethylbenzene and mixed xylene to benzene and recovering high-purity benzene sim...
|
JP2009073986A |
To provide a continuous pyrolysis method of plastics which continuously processes a large amount of plastics without repolymerization of reaction products when the plastics are pyrolized to decomposed substances composed mainly of monome...
|