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Matches 551 - 600 out of 1,657

Document Document Title
WO/1998/020969A1
The invention concerns an alumina based catalyst containing, expressed in weight contents of oxides, 2-10 wt.% of cobalt oxide CoO, 10-30 wt.% of molybdenum oxide MoO�3? and 4-10 wt.% of phosphorus oxide P�2?O�5?, having a BET surf...  
WO/1998/017581A1
The invention concerns IM-5 zeolite of chemical composition expressed on an anhydrous base, in terms of mol ratios of oxides, by the formula: 100 XO�2?, m Y�2?O�3?, p R�2/n?O, in which m is not more than 10, p is between 0 (exclu...  
WO/1998/007807A1
Liquid petroleum or chemical streams are upgraded by passing the stream countercurrent to the flow of a treat gas such as a hydrogen-containing gas in at least one reaction zone (r1, r2, r3). The reaction vessel (R) used in the practice ...  
WO/1998/007490A1
A reaction vessel for processing liquid petroleum or chemical streams wherein the stream flows countercurrent to the flow of a treat gas, such as a hydrogen-containing gas, in at least one interaction zone (r1, r2, or r3). The reaction v...  
WO/1998/004345A1
Catalyst comprising from 0.1 to 15 % by weight of a noble metal selected from one or more of platinum, palladium and iridium, and from 2 to 40 % by weight of manganese and/or rhenium supported on an acidic carrier, said weight percentage...  
WO/1998/002242A1
The present invention relates to a novel platinum palladium alloy catalyst useful in hydrofinishing and hydrocracking non low sulfur content feedstock and the process of hydrofinishing and hydrocracking such non low sulfur content feedst...  
WO/1997/049785A2
The present invention relates to the petroleum industry. More particularly, it relates to a method for production of petroleum and petroleum products. Technical result of the present invention is in the simplifying of the technological p...  
WO/1997/048466A1
The use of a catalyst package which can be produced by the vapour deposition and/or sputtering of at least one substance active as a catalyst and/or promotor on fabrics, knitted materials or foils as substrates in a catalytic distillatio...  
WO/1997/048488A1
The invention provides a process for presulphurizing porous particles of a sulphidable catalyst containing at least one metal or metal oxide, which comprises (a) impregnating the catalyst with an inorganic polysulphide solution to obtain...  
WO/1997/048489A1
The invention provides a process for presulphurizing porous particles of a sulphidable catalyst containing at least one metal or metal oxide, which comprises: (a) impregnating the catalyst with an inorganic polysulphide solution and at l...  
WO/1997/045196A1
There are provided catalysts and conversion processes for converting hydrocarbons using the catalysts. The catalysts comprise a first alumino-phospho-molecular sieves and a binder comprising a second alumino-phospho-molecular sieves. Exe...  
WO/1997/034968A1
A distributor assembly for hydroprocessing a hydrocarbon mixture of hydrogen-containing gas and liquid hydrocarbon is presented. The distributor assembly has a circular plate with a plurality of hollow risers bound thereto for distributi...  
WO/1997/034100A1
A thermowell assembly (11) and method which allows for arresting leakage in the case a thermowell begins to leak in a hydroprocessing process without having to shut down a flow of a hydrocarbon feed stream through a hydroconversion react...  
WO/1997/029841A2
This invention relates to a process of catalytic hydroconversion of a heavy hydrocarbon oil containing a substantial portion of components having an atmospheric boiling point above 565 �C to give a product hydrocarbon oil containing co...  
WO/1997/026078A1
A method is disclosed for optimizing the pressure drop in the catalytic conversion of a feed in a bed of catalyst particles in a vertically arranged reactor by grading the catalyst particles within the bed by pressure drop such that cata...  
WO/1997/025390A1
A delayed coking process in which a flash zone gas oil stream from the bottom of the coker fractionator (18) is upgraded by removing suspended solids using filter (30) and then hydroprocessing the stream to make it more attractive as a f...  
WO/1997/024413A1
The invention involves a method for treatment of a charge comprising at least hydrocarbons containing at least three carbon atoms per molecule, including acetylenic and diolefinic hydrocarbons. The method entails the passage of the charg...  
WO/1997/022469A1
An improved oxygen scavenging composition and packaging container formed therefrom is disclosed. The container is suitable for storage of oxygen sensitive materials and has as part of its exposed interior surface a composition composed o...  
WO/1997/007255A1
A method of protecting carbon and low-alloy steels from high temperature hydrogen attack. A carbon or low-alloy steel portion of a reactor system that is to be contacted with high pressure hydrogen at elevated temperatures is provided wi...  
WO/1997/006103A1
A crystalline zeolite high-silica SSZ-37 is prepared using a N,N-dimethyl-4-azoniatricyclo(5.2.2.0(2,6) undec-8-ene cation as a template and seed crystals wherein said zeolite is used in hydrocarbon conversion processes.  
WO/1997/000926A1
A method for controlling the manufacture of lubricating oils involving the steps of distillation, extracting, dewaxing and optionally hydrofining; or for controlling operating units associated with refinery or chemical processes with fee...  
WO/1996/041904A2
A process for producing a metallic protective layer whereby a metal-containing plating, cladding, paint or other coating is applied to at least a portion of a reactor system and then contacted with a gaseous stream containing hydrocarbon...  
WO/1996/026993A1
This invention discloses a process for producing a high Viscosity Index lubricant having a VI of at least 125 from a waxy hydrocarbon feed having a wax content of at least 40 wt.%. The process comprises catalytically dewaxing waxy paraff...  
WO/1996/024568A1
A heavy aromatics feed is converted to lighter aromatics products, such as benzene, toluene and xylenes by contacting a C9+ aromatics fraction and benzene and/or toluene over a catalyst comprising a zeolite, such as ZSM-12, and hydrogena...  
WO/1996/018704A1
A process for treating a light cracked naphtha to be used as an etherification feed stock is disclosed in which mercaptans, hydrogen sulfide and diolefins are removed simultaneously in a distillation column reactor (10) using a reduced n...  
WO/1996/017903A1
A hydrotreatment process is described for effecting hydrotreatment of a liquid hydrocarbon feedstock (101) containing a mixture of liquid hydrocarbons together with organic sulphurous impurities which comprises: (a) supplying to the firs...  
WO/1996/009873A1
A liquid distributor (1) for columns comprises liquid outlet apertures (12) with which fine distributor elements (3) each having a guide wall (5) are associated. A predetermined amount of fluid can be discharged through each outlet apert...  
WO/1996/008544A1
A method for thermo-mechanical cracking and hydrogenation of chemical substances such as hydrocarbons in liquid or solid form, waxes, carbonates, lime, oil-shale, oil-sand, oily residue from refineries and crude tank bottoms, plast and t...  
WO/1996/007715A1
Petroleum waxes are converted to high Viscosity Index lubricants by a synergistic process which employs two catalysts. Viscosity Index and yield are greater for product of the integrated catalyst process than they are for the product of ...  
WO/1995/035160A1
A light-weight and easily manufacturable catalyst support structure, which allows fluid flow into a catalyst bed in uniform distribution. The support structure is formed in a cone-like shape in which the diameter enlarges upward. The sup...  
WO/1995/031280A1
Provided are high activity catalysts based upon gamma alumina containing substrates impregnated with one or more catalytically active metals, which catalysts in addition contain a nanocrystalline phase of alumina of a crystallite size at...  
WO/1995/029970A1
This invention makes possible substantially continuous flow of uniformly distributed hydrogen and hydrocarbon liquid across a densely packed catalyst bed (10) to fill substantially the entire volume of the reactor (11) by introducing the...  
WO/1995/026813A1
The present invention provides a continuous process for removing contaminants, comprising oil, coke and iron sulfide deposits, from a spent hydrotreating or hydropocessing catalyst obtained from reactors and recovering the decontaminated...  
WO/1995/016744A2
The present invention relates to a process comprising reacting an aminated polyolefin with a polyketone polymer. Preferably, the aminated polyolefin has been obtained by reacting a polyolefin containing carboxylic acid groups, e.g. a pol...  
WO/1995/012562A1
A process for production of lower olefins, especially propylene, isobutylene and isoamylene, and high octane number gasoline through catalytic conversion which comprises contacting the petroleum hydrocarbon with a solid catalyst for 0.1-...  
WO/1995/011753A1
Hydrotreating catalyst having improved hydrodesulphurization and hydrodenitrification activity comprising an alumina supported Group VIB and/or Group VIII metal-containing hydrogenating catalyst which has been impregnated with a liquid f...  
WO/1995/009049A2
A catalyst containing an overlayer of a catalytic promoter on a porous refractory support containing an underbedded Group VIII metal-containing component. The catalyst is prepared by sequential incorporation of the Group VIII metal follo...  
WO/1994/026847A1
Process for the (mild) hydrocracking of hydrocarbon feeds without any preparatory hydrodesulphurisation/hydrodenitrogenation, using a hydrocracking catalyst containing an inorganic, crystalline, non-layered aluminosilicate with pores of ...  
WO/1994/025157A1
Self-heating characteristics of a spontaneously combustible catalyst are reduced by treating the catalyst with an oxygen-containing hydrocarbon having at least 12 carbon atoms. The treatment is particularly suitable for reducing the self...  
WO/1994/019425A1
Proposed is a method of producing coke for use in the manufacture of iron and steel, in particular foundry coke, by mixing charge coal and about 0.5 to 10 %, relative to the coal in the water-free and ash-free state, of a binder, and the...  
WO/1994/016812A1
A method of recovering catalyst material from latent catalyst material solids includes: a) combining latent catalyst material solids with a liquid acid anolyte solution and a redox material which is soluble in the acid anolyte solution t...  
WO/1994/000534A1
A crystalline zeolite SSZ-37 is prepared using an N,N-dimethyl-4-azoniatricyclo [5.2.2.O(2,6)] undec-8-ene cation as a template wherein said zeolite is used in hydrocarbon conversion processes.  
WO/1993/002793A1
The invention relates to an improved method of presulfurizing a sulfidable metal or metal oxide-containing catalyst which minimizes sulfur stripping upon start-up of a reactor and improves catalyst activity. The method comprises contacti...  
WO/1993/003117A1
A process for converting a heavy hydrocarbonaceous chargestock to lower boiling products which process comprises reacting the chargestock with a catalyst concentrate in the presence of hydrogen, at hydroconversion conditions, said cataly...  
WO/1992/020758A1
Lube oils of increased VI are prepared by hydrotreating using bulk Ni/Mn/No or Cr/Ni/Mo sulfide catalysts prepared from ligated, e.g., ethylene diamine, metal complexes. In particular the Ni/Mn/Mo sulfide catalyst is prepared from the ox...  
WO/1992/019376A1
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...  
WO/1992/011935A1
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...  
WO/1992/011934A1
There is provided a crystalline oxide material with a characteristic X-ray diffraction pattern comprising the above lines. This material may be a layered material, which is swollen or pillared. Upon calcination of the swollen material, t...  
WO/1992/008772A1
A hydrodesulphurisation process for continuously effecting hydrodesulphurisation of a liquid sulphur-containing hydrocarbon feedstock comprises: (a) providing a plurality of hydrodesulphurisation zones connected in series each containing...  
WO/1992/006921A1
A synthetic porous crystalline material MCM-35 has an X-ray diffraction pattern including the lines (I). It has a composition comprising the molar relationship X2O3:(n)YO2 wherein n is at least 30, X is a trivalent element and Y is a tet...  

Matches 551 - 600 out of 1,657