Document |
Document Title |
JPH0685876B2 |
|
JPH06306371A |
PURPOSE: To obtain lower olefins and 6-8 C aromatic hydrocarbons useful as a raw material in the chemical industry at good efficiency by bringing a paraffin-based light hydrocarbons into contact with a crystalline metal aluminophosphate....
|
JPH06293887A |
PURPOSE: To improve the yields of aromatic molecules obtained from a hydrocarbon mixture being naphthenic or the like by packing into a first reaction zone a reforming catalyst having a relative acidity higher than that of the subsequent...
|
JPH06509382A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
|
JPH06509381A |
The present invention discloses a process for increasing the selectivity of the production of isobutylene in an admixture of C4 olefins, in a process comprising producing isobutylene, with high selectivity, comprising catalytically produ...
|
JPH06509352A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
|
JPH0681838B2 |
A process to eliminate lead in gasoline, at the same time maintaining a high octane number in the gasoline, by irradiating leaded gasoline, at room temperature and pressure, with U.V. rays, which generate free organo-metallic radicals wh...
|
JPH06508872A |
A process for the preparation of an olefins-containing mixture of hydrocarbons, which process comprises contacting a hydrocarbonaceous feedstock with a zeolitic catalyst at a temperature above 480 degrees C. during less than 10 seconds, ...
|
JPH0678528B2 |
|
JPH06279767A |
PURPOSE: To provide a method for catalytic reforming of naphtha by which BTX-arom. can be produced in a high yield and hence which can be used for advantageously obtaining starting materials for chemical industries. CONSTITUTION: Naphtha...
|
JPH06279765A |
PURPOSE: To obtain a 5C or higher fraction in a high yield from naphtha by using a low-Re-content Pt-Re catalyst in a lead reactor and using a Pt-Ir-Sn catalyst in a tail reactor. CONSTITUTION: This reforming is carried out in a reformin...
|
JPH06279766A |
PURPOSE: To provide a method for catalytic reforming of naphtha by which BTX-arom. can be produced in a high yield and hence which can be used for advantageously obtaining starting materials for chemical industries. CONSTITUTION: Naphtha...
|
JPH0675679B2 |
A highly active and selective zeolitic reforming catalyst comprises a type L zeolite containing platinum metal and at least one promoter selected from iron, cobalt, titanium and the rare earth metals, the catalyst having a platinum to pr...
|
JPH06507342A |
A demetallization process for catalysts used for chemical conversion of hydrocarbons, the catalysts containing at least vanadium as a metal poison, wherein the poisoned catalyst is contacted in a sulfiding zone with a sulfiding agent and...
|
JPH0662455B2 |
The invention relates to a process for the preparation of an aromatic hydrocarbon mixture, wherein one or more monooelfins with two to four carbon atoms per molecule or aliphatic hydrocarbons, at least 50 %wt of which consisting of the s...
|
JPH0662291B2 |
A crystalline zeolite SSZ-26 is prepared using a hexamethyl [4.3.3.0] propellane-8,11-diammonium cation as a template. Also disclosed is a process for converting hydrocarbons with crystalline zeolite SSZ-26.
|
JPH0662957B2 |
|
JPH0660312B2 |
Olefin containing gasolines are upgraded to improve octane number with less than 5 wt.% yield loss by contact at elevated temperatures with acidic catalysts, preferably shape selective zeolites having a Constraint Index of 1 to 12 and ha...
|
JPH0660311B2 |
A process for removing residual sulfur from a hydrotreated naphtha feedstock is disclosed. The feedstock is contacted with molecular hydrogen under reforming conditions in the presence of a less sulfur sensitive reforming catalyst, there...
|
JPH06219706A |
PURPOSE: To improve the thermal efficiency by setting a combustion chamber and a second reforming catalyst layer at the upper part of a reactor and designing so as to introduce the second reformed gas through a bellows tube into a lower ...
|
JPH06211517A |
PURPOSE: To improve the extrudability by maintaining a shapable dough prepd. by mixing and kneading a silica source, a specific dealuminated aluminosilicate zeolite and water acidicty and incorporating silica of a prescribed weight ratio...
|
JPH0653874B2 |
In a catalytic reforming process wherein a charge is circulated successively through a first catalyst bed and then at least one further catalyst bed, the improvement wherein the catalyst of the first bed comprises a carrier of alumina ba...
|
JPH06199707A |
PURPOSE: To convert a light hydrocarbon composed mainly of paraffin into lower olefins and monocyclic aromatic hydrocarbons in high yield. CONSTITUTION: A light hydrocarbon raw material containing 2-12C paraffin as main component (≥70w...
|
JPH06506235A |
The present invention is a process and a catalyst for isomerizing normal and slightly branched C4 to C7 hydrocarbons. The catalyst comprises a Group VIII metal on Beta zeolite.
|
JPH06192135A |
PURPOSE: To convert a light hydrocarbon consisting essentially of a paraffin into a lower olefin and a monocyclic aromatic hydrocarbon in high yield. CONSTITUTION: Catalytic cracking is carried out by using a zeolite selected from ZSM-5s...
|
JPH06190284A |
PURPOSE: To obtain a catalyst for reforming, aromatization or dehydrogenation by making a metal selected from the group consisting of platinum, Ph and Pd, and a metal of the first row of Group VIII of the Periodic Table supported within ...
|
JPH06192134A |
PURPOSE: To convert a light hydrocarbon consisting essentially of a paraffin into a lower olefin and a monocyclic aromatic hydrocarbon in high yield. CONSTITUTION: Catalytic cracking is carried out by using a zeolite selected from ZSM-5s...
|
JPH06192136A |
PURPOSE: To convert a light hydrocarbon consisting essentially of a paraffin into a lower olefin and a monocyclic aromatic hydrocarbon in high yield. CONSTITUTION: Catalytic cracking is carried out by using a zeolite selected from alumin...
|
JPH06184567A |
PURPOSE: To obtain a fuel oil having a high yield of a gasoline component and a high octane number by reforming an oily or vaporous product obtained by thermally cracking a polyolefinic resin by contact with a packed layer of a specified...
|
JPH06184559A |
PURPOSE: To economically and advantageously produce higher hydrocarbons from natural gas. CONSTITUTION: This process includes the following steps: (i) reacting natural gas with steam in at least one reforming zone containing a reforming ...
|
JPH06184546A |
PURPOSE: To convert the high-boiling component of tar into low-boiling components without subjecting to a high-temperature treatment under pressure. CONSTITUTION: Tar is irradiated with a low-temperature plasma in a hydrogen- containing ...
|
JPH0647671B2 |
Performance of a process, for catalytic conversion of a substantially contaminant-free hydrocarbon feed with a comtaminant-sensitive catalyst using a conversion system having equipment contaminated through contact with a contaminant-cont...
|
JPH06170227A |
PURPOSE: To obtain a stable catalyst composition having increased activity and selectivity for aromatic hydrocarbons without requiring halogen addition by incorporating an amorphous silica-alumina support having a specified metal, a Grou...
|
JPH0645789B2 |
C2-C4 paraffins are converted into aromatic gasoline over a catalyst composition comprising gallium supported on a carrier and a crystalline metal silicate with a special crystal structure, which composition has been subjected once or se...
|
JPH0645788B2 |
C2-C4 paraffins are converted into aromatic gasoline over a crystalline galliumsilicate with a specific crystal structure having a SiO2/Ga2O3 molar ratio between 25 and 250, which silicate has been subjected once or several times to a tw...
|
JPH06166877A |
PURPOSE: To enable preferable alkylation of an isoparaffin with a 2-6C olefin by treating the isoparaffin and the olefin-contg. feedstocks in the presence of a solid catalyst for alkylation under a specified condition. CONSTITUTION: (a) ...
|
JPH06166878A |
PURPOSE: To provide a process for hydroisomerization of supplying raw material of n-paraffin, with high selectivity. CONSTITUTION: In a process for hydroisomerization of supplying raw material of ≥5C normal-paraffin, the raw material i...
|
JPH06504979A |
There is provided a method for preparing a pillared, layered crystalline oxide, said method comprising the steps of: (i) forming a zeolite reaction mixture and effecting crystallization of the mixture; (ii) intercepting the crystalline p...
|
JPH06504712A |
This invention is a process for the alkylation of isoparaffin with olefins using a catalyst system comprising certain transition aluminas promoted with a Lewis acid (preferably BF3), and free Lewis acid. The product alkylate is a complex...
|
JPH06145672A |
PURPOSE: To efficiently obtain the subject fraction useful as a raw material for producing aromatic hydrocarbons such as high-octane number gasoline or BTX by bringing a naphtha fraction into contact with a reforming catalyst and a zeoli...
|
JPH0639400B2 |
|
JPH06504072A |
PCT No. PCT/DE91/00851 Sec. 371 Date May 10, 1993 Sec. 102(e) Date May 10, 1993 PCT Filed Oct. 30, 1991 PCT Pub. No. WO92/07921 PCT Pub. Date May 14, 1992The invention is directed to a process and an installation for the production of li...
|
JPH0631356B2 |
|
JPH0631325B2 |
A process for converting a gaseous feed material including an olefinic mixture comprising primarily ethylene and propylene to higher molecular weight hydrocarbons such as gasoline range products including aromatics. The process comprises...
|
JPH06503582A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
|
JPH06503368A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
|
JPH0688080A |
PURPOSE: To provide a method of producing an unsaturated hydrocarbon compound characterized in that a saturated or lowly unsaturated hydrocarbon compound to be reacted and an oxidizing agent need not coexist, that limitations on equilibr...
|
JPH0671180A |
PURPOSE: To obtain a catalyst particularly suitable for isomerization of an aromatic C8 cut by supporting metals on an omega zeolite by grafting of an organometallic compound in the catalyst containing a matrix, a group VIII metal, a met...
|
JPH0673383A |
PURPOSE: To convert a feedstock consisting of linear olefins into a product enriched in branched olefins by bringing the feedstock into contact with a tectometallosilicate having a ferrierite crystal structure at a specific temperature, ...
|
JPH0615042B2 |
PURPOSE:To inhibit the flocculation of precious metal particles at high temperatures by dispersing the oxide particles of either ones elected from base metals such as Mg, Mn, Ni, Sr, Co, Nb, Zn, Sn, Cr and Zr on the particles of platinum...
|