| Document |
Document Title |
|
WO/2003/014263A1 |
A method for inhibiting metal dusting corrosion of surfaces exposed to supersaturated carbon environments comprising constructing said surfaces of, or coating said surfaces with a copper based alloy. The invention is also directed to a c...
|
|
WO/2003/010259A1 |
The invention relates to the production of fuel distillates and can be used for the petroleum industry for producing motor fuels and fuels for jet engines. The inventive method consists in mixing residual oil stock (black strap, tar, hea...
|
|
WO/2003/006579A1 |
In an embodiment, the invention relates to a method for reducing coke in agglomeration in petroleum streams derived form coking processes. In a preferred embodiment, the invention relates to a method for mitigating filter fouling in a co...
|
|
WO/2002/100982A1 |
A pyrolysis heater has the inlet sections of the process coils grouped together and the outlet sections of these same process coils also grouped together. High heat liberation hearth burners are located adjacent to the inlet sections of ...
|
|
WO/2002/099012A1 |
It has been discovered that the tubes within a radiant heating section of a coking furnace can be advantageously arranged differently than in a single vertical column and connected together in a simple, planar serpentine pattern. By arra...
|
|
WO/2002/097161A1 |
The invention relates to a method for coating a seal surface (1) used at an oil refinery by a coating layer (4) of a nickel-based material. In the method according to the invention, the coating layer (4) is formed using a laser coating m...
|
|
WO/2002/094746A1 |
Process for the preparation of a mixture comprising C¿5?+ linear olefins, which process comprises the steps of (a) reacting carbon monoxide and hydrogen in the presence of an effective amount of Fischer-Tropsch catalyst under Fischer-Tr...
|
|
WO/2002/085623A1 |
A pyrolysis heater particularly for the cracking of hydrocarbons in the production of olefins has a burner arrangement in the firebox which directly heats the hearth of the firebox such that it becomes a radiant surface. The base burners...
|
|
WO2001055280A9 |
An improved furnace (2) which provides for multizone (12, 14, 18, 20), separate and independent cracking is provided.
|
|
WO/2002/081595A1 |
Dialkyl polysulfides can be added to hydrocarbon gas fed streams for alkene steam crackers for the petrochemical industry. The polysulfides act as sulfiding agents for surfaces of the steam crackers and thereby reduce coking and CO gener...
|
|
WO/2002/076889A1 |
The present invention is a method to disaggregate asphaltenes in petroleum oils and mixtures by mild heating. The presence of asphaltenes is determined by small angle meutron scattering.
|
|
WO/2002/077127A2 |
A process for producing a diesel fuel stock from bitumen uses steam, naphtha and a hydroisomerized diesel fraction produced by a gas conversion process, to respectively (i) stimulate the bitumen production, (ii) dilute it for pipeline tr...
|
|
WO/2002/077128A2 |
A process for producing a diesel fuel stock from bitumen uses steam and a hydroisomerized diesel fraction produced by a gas conversion process, to respectively stimulate the bitumen production and increase the cetane number of a hydrotre...
|
|
WO/2002/072733A2 |
A process for decreasing fouling in a refinery unit.
|
|
WO/2002/072916A1 |
The invention relates to a method for coating a surface of a workpiece made from copper or copper alloy by means of a laser coater apparatus. In the method, a laser beam (2) is directed to the surface being coated, the laser beam (2) is ...
|
|
WO/2002/070410A2 |
A process for pretreating an oily/water stream for closed loop dilution steam production within an ethylene plant using countercurrent multi-stage extraction within extraction towers (8) to remove organic solutes from in-situ quench wate...
|
|
WO/2002/070626A1 |
The present invention provides a pyrolysis tube for enhancing the yield of olefins and reducing a coking tendency in steam cracking of hydrocarbons. According to the present invention, the pyrolysis tube is characterized in that a plural...
|
|
WO/2002/068095A1 |
A system and method for the selective catalytic reduction of nitrogen oxide in a furnace exhaust includes cooling the furnace exhaust in a first heat recovery (13') section to a temperature between 400° F and 500° F, introducing a redu...
|
|
WO/2002/066704A1 |
The invention relates to a method for coating a part (1) used in an oil refinery unit by a coating layer (4) of a nickel-based material. In the method according to the invention, the coating layer ( 4) is formed using a laser coating met...
|
|
WO/2002/055632A1 |
Process for the production of thermally converted light products from residual feedstock and electricity from syngas obtained from thermal conversion residue as feedstock, in which process flue gas exiting from the electricity producing ...
|
|
WO/2002/051965A1 |
The invention relates to a method of carrying out a crack reaction in a packed-bed reverse flow reactor. For the purpose of maintaining the temperature of the reverse flow reactor, a less than stoichiometric amount of oxygen is added to ...
|
|
WO/2002/051964A2 |
In this invention the system and processes for organization of oil refinery from gases and heavy admixtures with a separation of purified oil for fractions obtained in the process of thermal distillation, and thermal and catalytic cracki...
|
|
WO/2002/036715A1 |
This invention is a method to inhibit the polymerization of carbonyl compounds in a basic wash unit operation in a hydrocarbon cracking process, wherein a compound selected from the group consisting of alpha-amino acids and esters thereo...
|
|
WO/2002/034862A1 |
A method for minimizing the formation of polymers and other heavy molecular weight products upond heating a hydrocarbon stream in a hydroconversion process is described. Specifically, sufficient hydrogen containing gas (2) is added to th...
|
|
WO/2002/028989A1 |
The invention concerns a moderate pressure hydrocracking method (that is partial hydrogen pressure higher than 70 bars up to a maximum of 100 bars) with conversion of at least 80 % by volume, of a feedstock having a temperature T¿5? ran...
|
|
WO/2002/024835A2 |
The present invention is directed to the upgrading of heavy hydrocarbon feedstock that utilizes a short residence pyrolytic reactor operating under conditions that cracks and chemically upgrades the feedstock. The process of the present ...
|
|
WO/2002/022762A2 |
A method and apparatus for quenching the coke drum vapour line from a coke drum to the main fractionator in a coker unit whereby the volume of quench liquid prevents the drum vapour line from plugging with carbon-based deposits. A differ...
|
|
WO/2002/014454A1 |
A method of reducing the formation of coke deposits on the heat-transfer surfaces of an ethylene dichloride to vinyl chloride pyrolysis furnace comprising exposing the heat transfer surfaces of said pyrolysis furnace to a phosphite selec...
|
|
WO/2002/014581A1 |
A method of reducing the formation of coke deposits on the heat-transfer surfaces of an ethylene dichloride to vinyl chloride pyrolysis furnace comprising exposing the heat transfer surfaces of said pyrolysis furnace to a phosphine selec...
|
|
WO/2002/004388A1 |
A process for the production of an olefin comprising partially combusting in a reaction zone a mixture of a hydrocarbon and an oxygen-containing gas in the presence of a catalyst which is capable of supporting combustion beyond the fuel ...
|
|
WO/2001/096499A1 |
Disclosed are a method for preparing a pure disulfide mixture and its use as a sulfiding agent. Composed essentially of dimethyldisulfide, ethylmethyldisulfide and diethyldisulfide, the disulfide mixture is prepared by the removal of cau...
|
|
WO/2001/096496A1 |
US0118523ng component for a solvated mesophase pitch. The solvated component includes a mixture of aromatic hydrocarbons having boiling points in the atmospheric equivalent boiling point range of about 285° to about 460 °C (about 550 Â...
|
|
WO/2001/090277A1 |
Apparatus for the vaporisation of a heavy hydrocarbon feedstock with steam, said apparatus comprising: (a) a first tubular element which is open at both ends; (b) a second tubular element which is open at one end and surrounds the first ...
|
|
WO/2001/090441A2 |
There is provided a surface alloyed component which comprises a base alloy with a diffusion barrier layer enriched in silicon and chromium being provided adjacent thereto. An enrichment pool layer is created adjacent the diffusion barrie...
|
|
WO/2001/083643A2 |
A process for upgrading a residua feedstock using a short vapor contact time thermal process unit comprised of a horizontal moving bed of fluidized hot particles. The residua feedstock is preferably atomized so that the Sauter mean diame...
|
|
WO2000077120A9 |
The invention may be used to evaluate suitability of hydrocarbon materials to various types of processing methodologies, or to determine processing parameters, either prior to processing or during processing. Prediction of proximity to f...
|
|
WO/2001/066672A1 |
A crude oil feedstock or crude oil fractions containing pitch feedstock is pyrolyzed in a pyrolysis furnace by feeding the crude oil or crude oil fractions containing pitch feedstock to a first stage preheater within the convection zone ...
|
|
WO/2001/066225A2 |
A vapour/liquid separator comprising: a vessel having an inlet for receiving a vapour/liquid mixture; a hub located within the vessel at a position below the inlet wherein the hub supports a plurality of vane elements at its near end for...
|
|
WO/2001/064609A1 |
A method for removing polymer from an acid gas treating system comprising contacting an acid containing stream with an aqueous alkanolamine solution and hydrocarbon solvent to form a mixture of an alkanolamine rich solution having the ac...
|
|
WO/2001/054829A1 |
A method of on-line coating a coat film on the inner wall of a reaction tube in a hydrocarbon pyrolysis reactor for preventing the formation and the deposit of coke on the inner walls. This method comprises the steps of vapor depositing ...
|
|
WO/2001/051590A1 |
The hydrocarbon to be used, together with water vapour, is subjected to thermal steam cracking, whereby said hydrocarbon is in the vapour state. The hydrocarbon is heated to temperatures ranging from 700 to 1,000 °C during steam crackin...
|
|
WO/2001/047844A1 |
A composition comprising a nitroxide or dinitroxide and an aromatic amine is used as an additive for preventing polymeric fouling in petrochemical apparatuses for producing, storing, refining, fractionating, pressurizing and extracting o...
|
|
WO/2001/046340A1 |
Processes for converting C¿1? to C¿3? alkanes into high purity C¿6? to C¿24? normal alpha olefins and internal combustion engine grade fuels and/or lubricating oils comprising a sequence of fractionation and thermal cracking and/or h...
|
|
WO/2001/042394A1 |
The invention relates to a residual oil caused by the treatment of crude oil, natural bitumen or oil sand. The residual oil is mixed with grained, hot coke acting as a heat transfer medium (thermal coke) in a mixer and at a weight ratio ...
|
|
WO/2001/039875A1 |
Water vapour is used as medium-carrier and supplied to an evaporation tank (10) in order to ensure a uniform distribution of an introduced compound in pyrotubes equipped with branching and to eliminate the danger of destruction of the py...
|
|
WO/2001/038458A1 |
A system for refining hydrocarbon containing materials in a continuous coking mode may provide a pyrolyzer (1) which may be inclined to effect a liquid seal between a liquid conduction environment (6) and a gaseous conduction environment...
|
|
WO/2001/038459A1 |
A method and a system are disclosed for improving thermal cracking of heavy hydrocarbons by measuring the asphaltene colloidal stability and/or the amount of coke of the bottoms fraction of the product. If the parameters are outside of p...
|
|
WO/2001/036563A1 |
A method for mitigating the condensation of liquid hydrocarbons and subsequent coke deposition in refinery reactor units by dew point suppression.
|
|
WO/2001/036562A1 |
A method for removing or reducing coke deposits in a refinery reactor unit utilizing a reactant gas, preferably steam, and catalyst.
|
|
WO/2001/032305A1 |
A process for the preparation of a catalyst for carbon monoxide hydrogenation particularly Fischer-Tropsch reactions; the catalyst compositions, use of the catalyst compositions for conducting such reactions. The process for producing th...
|
