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JPH05508172A |
The benzene concentration in the gasoline pool of a petroleum refinery is decreased by alkylation of the benzene in a catalytic dewaxing reactor using the olefinic by-products from the dewaxing reaction as alkylating agents. The catalyti...
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JPH05222374A |
PURPOSE: To provide a process to produce a light hydrocarbonaceous liquid in a high yield with a low yield of coke. CONSTITUTION: The process for producing a light hydrocarbonaceous liquid in a delayed coker containing a coke drum compri...
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JPH05212289A |
PURPOSE: To improve the conversion ratio and the aromatic selectivity of a composite catalyst by mixing zeolite MFI or zeolite A/MFI with a matrix, molding a mixture of them to form a supporting body, supporting metals on the supporting ...
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JPH0552353B2 |
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JPH0552352B2 |
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JPH0552351B2 |
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JPH0552354B2 |
A straight-chain paraffin producing material obtained by (i) treating a thermal-cracked oil distillate boiling in the range of 120 DEG to 290 DEG C and containing aliphatic olefins, at a temperature of 0 DEG to 330 DEG C in liquid phase ...
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JPH0546875B2 |
@ A combination process for producing high viscosity index lubes from light olefins is provided wherein light olefins are first passed over a ZSM-23 catalyst and the liquid product therefrom is then processed over a ZSM-5 type catalyst t...
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JPH0535756B2 |
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JPH0535088B2 |
A class of pillared interlayered clay molecular sieves with large pore size were prepared by cross-linking the regularly interstratified mineral clay. Wherein the cross-linked rectorites possess an extraordinary thermal and hydrothermal ...
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JPH0524956B2 |
A continuous catalytic system for converting an olefinic feedstock comprising ethylene and C3+ olefins to heavier liquid hydrocarbon product comprising apparatus for (a) prefractionating the olefinic feedstock to obtain a gaseous stream ...
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JPH0519596B2 |
This invention relates to a process for producing liquid products e.g. gasoline blending components by conversion of a mixed paraffin/olefin gaseous feedstock over two types of catalysts. In a first stage, the mixed feedstock is brought ...
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JPH0559373A |
PURPOSE: To convert an olefinic hydrocarbon into a high-octane gasoline with a high isoparaffin content at high conversion efficiency by carrying out conversion treatment of the olefinic hydrocarbon using a conversion catalyst in which a...
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JPH0558919A |
PURPOSE: To solve problems of lowering in aromatic yield by the lowering in the activity of a catalyst by improving the flow process of a reactional product when 2-7C aliphatic hydrocarbons are converted to aromatic hydrocarbons. CONSTIT...
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JPH0517278B2 |
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JPH0510974B2 |
A natural active stable catalyst for use in the hydrodemetallization (HDM) and the hydroconversion (HC) of heavy crudes and residues and, in particular, a method for the preparation of the catalyst from natural clay and a process for the...
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JPH05434B2 |
PURPOSE:To convert a charge stock contg. 4-10C olefins into fractions having a high value added, such as gasoline, kerosene or gas oil, by producing a low polymer of the charge stock by bringing the same into contact with an amorphous al...
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JPH04507215A |
Liquid compositions of perfluorinated ion-exchange polymers are disclosed along with processes for making such compositions, use of the compositions in preparing supported polymers, and use of the supported polymers in hydrocarbon conver...
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JPH0479980B2 |
Molecular sieve compositions are prepared by extracting aluminum and substituting titanium and/or iron for extracted aluminum to give molecular sieve products containing framework titanium and/or iron atoms. The process of preparing the ...
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JPH04359090A |
PURPOSE: To obtain the title solvent having a low mixed aniline point, excellent solubility and a small amount of evaporation residue at a low cost by reforming kerosine fraction or raffinate to give an oil and hydrogenating the oil in t...
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JPH0465118B2 |
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JPH04244236A |
PURPOSE: To obtain a catalyst having a high aromatic group selectivity ratio in aromatization reaction of hydrocarbons having two to four carbon atoms per molecule by including noble metals from the platinum family and additional metals,...
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JPH0452314B2 |
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JPH04227852A |
PURPOSE: To enhance the selectivity of aromatic production in the contact aromatization of a hydrocarbon containing 2 to 4 carbon atoms per molecule by using a catalyst containing zeolite MFI, a noble metal from the family of platinum, a...
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JPH04225093A |
PURPOSE: To provide a gasolin rich in ether by modifying a lower olefin. CONSTITUTION: A lower olefin is distributed to a hydration region 101 and an oligomerization region 102 to be hydrated in respective regions and isopropyl and t-but...
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JPH04224893A |
PURPOSE: To prepare a synthetic lubricant base stocks in a good yield by oligomerizing a long-chain olefin by using a specified acidic calcium montmorillonite clay catalyst. CONSTITUTION: In the method for preparing oligomers or co-oligo...
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JPH0444362B2 |
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JPH04136092A |
PURPOSE: To impart a desired low pour point necessary for a product having a high viscosity index capable of being put on the market by hydroisomerizing petroleum wax or synthetic wax in the presence of a specified hydroisomerizing catal...
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JPH04132793A |
PURPOSE: To produce hydrocarbon good in catalyst stability and liquid in normal state by passing a hydrocarbonaceous supply raw material containing an olefin through a reactor containing catalyst particles upwardly at a specified temp. a...
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JPH0423678B2 |
A hydrocarbon conversion process is disclosed having a very high selectivity for dehydrocyclization. In one aspect of this process, a hydrocarbon feed is subjected to hydrotreating, then the hydrocarbon feed is passed through a sulfur re...
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JPH0417165B2 |
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JPH04501579A |
Process and apparatus for upgrading light olefinic crackate gas from a fluidized catalytic cracking unit having a riser reactor for contacting hot solid cracking catalyst with a heavy hydrocarbon feedstock, said light crackate gas contai...
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JPH0412318B2 |
An unsaturated C5 fraction comprising at least 10% of a mixture (A) of 2-methyl-1-butene with 2-methyl-2-butene and optionally isoprene and at least 10% of a mixture (B) of other mono-olefins and diolefins is hydrogenated under controlle...
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JPH04500231A |
PCT No. PCT/BE90/00028 Sec. 371 Date Mar. 22, 1991 Sec. 102(e) Date Mar. 22, 1991 PCT Filed Jun. 8, 1990 PCT Pub. No. WO90/15121 PCT Pub. Date Dec. 12, 1990.Process for producing gasolines having improved RON and MON which consists in su...
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JPH0376356B2 |
Hydrocarbon streams containing primarily olefins such as ethylene up to and inclusive of C16 olefins are converted to high viscosity index lubricating oil base stock by contacting them with a ZSM-5 type zeolite catalyst which has been co...
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JPH0374650B2 |
The process for the oligomerization of linear and/or branched chain C2 to C12 olefins with non-zeolitic molecular sieves having a framework structure of MO2, AlO2 and PO2 tetrahedra and having an empirical chemical composition on an anhy...
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JPH03505343A |
Compositions and methods of preparation for a lubricant mixture having enhanced viscosity index comprising: (a) a low viscosity C20-C60 lubricant range liquid comprising substantially linear hydrocarbons prepared by shape selective catal...
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JPH03210392A |
PURPOSE: To upgrade an olefinic raw material constituted by containing 2-10C olefin containing a basic N compd. formed by the pyrolysis or catalytic decomposition of heavy liquid hydrocarbons including a process performing oligomerizatio...
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JPH03504136A |
An integrated process is disclosed for the conversion of C2+ normal olefins into methyl tertiaryalkyl ethers and high octane gasoline. The process combines olefins interconversion with etherification and conversion of unreacted methanol ...
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JPH03199293A |
PURPOSE: To fractionate a stream of 3C, 5C-olefinic hydrocarbons in the presence of an intermediate pore shape-selective solid catalyst under oligomerization conditions to efficiently convert the lower olefins into 5C+ gasoline. CONSTITU...
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JPH0354648B2 |
Disclosed is a process for polymerizing cationically polymerizable monomers comprising:(A) providing a solution containing an activated catalyst, said catalyst comprising(a) an aluminum compound having the formula RnAlX3-n, wherein n is ...
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JPH03503656A |
Method and means are described for the conversion of lower molecular weight paraffins and olefins to high octane gasoline rich in alkylated aromatics. In a two stage process catalyzed by metallosilicate, crystalline, shape selective zeol...
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JPH03503064A |
An improved olefin upgrading technique has been developed for increasing production of premium heavy hydrocarbons, such as distillate fuel, from lower olefinic feedstock. During recovery and recycle of intermediate range hydrocarbons pro...
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JPH0324518B2 |
A multistep process for preparing high-boiling hydrocarbons from normally gaseous hydrocarbons is disclosed.
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JPH0338532A |
PURPOSE: To inexpensively obtain the high-quality subject compound for polyester raw material, etc., by separating and recovering dimethylnaphthalene rich in 2,6-isomer from a fraction containing dimethylnaphthalenes and then subjecting ...
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JPH035436B2 |
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JPH032850B2 |
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JPH03332B2 |
Hydrocarbon conversion processes with crystalline silicates surrounded by an alumina containing isostructural shell are claimed.
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JPH0258313B2 |
An oxidation-resistant hydrocarbon oil composition is made by catalytically hydrogen-refining under relatively severe conditions a hydrocarbon oil basestock boiling in the lube oil boiling range and separately catalytically hydrogen-refi...
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JPH02283794A |
PURPOSE: To obtain a polyolefin lubricant excellent in flowability, viscosity characteristics, low-temp. properties, etc., at a low cost by separating a linear olefin component from a sulfur-contg. coker distillate feed material obtd. by...
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