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WO/2002/068565A1 |
The present invention relates to a method of reproduction of waste oil and an apparatus for reproducing waste oil such as waste cooking oil or animal fat into fuel for diesel engines or boilers. The method of reproduction of waste oil in...
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WO/2002/066578A2 |
The present invention provides a solid adsorbent comprising at least two metals located upon a support wherein at least one first metal is copper and at least one second metal is cerium and a process for reducing the sulphur content of a...
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WO/2002/064703A2 |
The invention provides a method of purifying hydrocarbon streams from metallic impurities which comprises passing the stream through media comprising alumina with relatively minor amounts of calcia and magnesia.
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WO/2002/062925A2 |
Economical processes are disclosed for production of components for refinery blending of transportation fuels which are liquid at ambient conditions by selective oxygenation of refinery feedstocks comprising a mixture of organic compound...
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WO2002036716B1 |
An adsorptive separation process for preparing the separate feed streams charged to naphtha reforming unit and a steam cracking unit is presented. The feed stream to the overall unit is fractionated to yield a C5 stream and a second stre...
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WO/2002/058823A1 |
The present invention relates to a method for the removal of mercury from a gas stream. The method is characterized in that at a temperature above 170 °C the gas stream is contacted with a sorbent that as the active component is compris...
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WO/2002/055634A1 |
A process for treating nitrogen-containing, substantially paraffinic product derived from a Fischer-Tropsch process. The substantially paraffinic product is purified in a purification process to lower the concentration of oxygen, nitroge...
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WO/2002/053684A1 |
A process for removing sulfur compounds from hydrocarbon feedstreams, particularly those boiling in the naphtha range, by contacting the feedstream with an adsorbent comprised of cobalt and one or more Group VI metals selected from molyb...
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WO/2002/053683A1 |
The invention relates to a selective desulphurisation method for thiophene derivatives contained in the hydrocarbons emitted from the distillation of crude oil, refined or not, consisting in oxidising the atoms of thiophene sulphur in su...
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WO/2002/038705A1 |
An oil feedstock (6) is upgraded by hydrocracking and flashing and/or distilling. A distillate fraction (46) boiling in the diesel range is isolated and dewaxed under high pressure by a medium pore molecular sieve. The dewaxed material i...
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WO/2002/038702A1 |
An oil feedstock (6) is upgraded wherein the feedstock is hydrocracked, flashed and/or distilled. The bottoms are then vacuum distilled to adjust viscosity and volatility. The refined feed (30) is then dewaxed under high pressure by a me...
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WO/2002/038708A1 |
A fuel for a diesel engine is produced by using a fish waste oil or a mixture of a vegetable waste oil and the fish waste oil which have conventionally been wasted as a staring material. Fish oil (virgin oil or fish waste oil) or a mixtu...
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WO/2002/026670A1 |
Two separate paraffinic hydrocarbon products, such as normal and monomethyl branched C¿10? - C¿23? paraffins, are recovered from a mixture comprising the product hydrocarbons and many other hydrocarbons in a process employing two adsor...
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WO/2002/026914A2 |
Tire pyrolysis systems and processes are provided which include feeding tire shreds to a pyrolysis vessel (40) and pyrolyzing the shreds in a pyrolysis vessel (40) to produce a pyrolysis gas and carbon black mixture. The pyrolysis gas pr...
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WO/2002/024834A1 |
While a substantially water-free hydrocarbon feed is being charged to a catalytic reformer reactor, an organic chloride is contacted with the reformer catalyst in an amount and for a time period that are effective to restore at least a p...
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WO/2002/024836A1 |
The invention concerns a complexing agent comprising a $g(p) electron acceptor, characterised in that the $g(p) electron acceptor is an organic compound and has a LUMO energy level not more that - 1 eV, and said electron acceptor is graf...
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WO/2002/024837A1 |
The invention concerns a method for denitrogenation of a fraction containing nitrogenous hydrocarbons. The method comprises at least a step which consists in contacting said fraction with a complexing agent comprising at least a $g(p) el...
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WO/2002/022763A1 |
Processes are disclosed for removing sulfur, including cyclic and polycyclic organic sulfur components such as thiophenes and benzothiophenes, from a hydrocarbon feedstock including fuels and fuel components. The feedstock is contacted w...
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WO/2002/018517A1 |
A sorbent composition is provided which can be used for the desulfurization of a hydrocarbon-containing fluid such as cracked-gasoline or diesel fuel. The sorbent composition contains a support component, an attrition-resistance-enhancin...
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WO/2002/008160A1 |
A process to regenerate metal oxide desulfurization sorbents using an oxidizing and reducing atmosphere. The sorbents may be mono- or multi-metallic in nature, and preferably comprise Cu, Ni and/or Co. If desired, secondary metals may be...
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WO/2002/008362A1 |
A process to regenerate iron-based hydrogen sulfide sorbents using steam. The steam is preferably mixed with hydrogen-containing gas and/or an inert gas, such as nitrogen. In a preferred embodiemtn, the sorbent is first exposed to the st...
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WO/2002/008361A1 |
A process to regenerate metal oxide desulfurization sorbents using hydrogen gas. The sorbents may be mono- or multi-metallic in nature, and preferably comprise Ni and/or Co. If desired, secondary metals may be incorporated to increase re...
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WO/2001/093989A2 |
Sample processing methods that utilize a graphitized carbon matrix are useful for determining the relative amounts polyhalogenated biphenyls (PHBs), polyhalogenated dibenzofurans (PHDFs), and polyhalogenated dibenzo-p-dioxins (PHDDs) in ...
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WO/2001/091899A1 |
Sorbent compositions for the removal of sulfur and sulfur compounds, such as hydrogen sulfide, carbonyl sulfide and mercaptans, out of cracked gasoline and diesel fuels are prepared by impregnation of a sorbent support containing zinc ox...
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WO/2001/072417A1 |
A desulfurizing agent for hydrocarbons derived from petroleum comprising a silica-alumina carrier having a Si/Al molar ratio of 10 or less and nickel carried thereon; a desulfurizing agent for hydrocarbons derived from petroleum which co...
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WO/2001/070907A1 |
Particulate sorbent compositions consisting essentially of zinc ferrite, nickel and an inorganic binder, wherein the zinc ferrite and nickel of reduced valence, are provided for the desulfurization of a feedstream of cracked-gasoline or ...
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WO/2001/070393A1 |
Particulate sorbent compositions consisting essentially of zinc ferrite and a binder, wherein the zinc ferrite is of reduced valence, are provided for the desulfurization of a feedstream of cracked-gasoline or diesel fuels in a desulfuri...
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WO/2001/062870A1 |
Mercury is removed from crude oils, natural gas condensates and other liquid hydrocarbons by first removing colloidal mercury and solids that contain ad-sorbed mercury and then treating the hydrocarbons with an organic or inorganic compo...
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WO/2001/049408A1 |
The invention provides media for absorption of phosphate and metal contaminants from a hydrocarbon stream and a method of making such media. The media comprise alumina with relatively minor amounts of calcia and magnesia and are made by ...
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WO/2001/044407A1 |
Novel sorbent systems for the desulfurization of cracked-gasoline are provided which are comprised of a bimetallic promotor on a particulate support such as that formed of zinc oxide and an inorganic or organic carrier. Such bimetallic p...
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WO/2001/042392A2 |
The demercaptanization of petroleum distillates can be carried out by sorption of the mercaptan with activated carbon and oxidation of the sorbed mercaptan to disulfide at between approximately 20°C to 55°C. The activated carbon used i...
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WO/2001/042397A1 |
The desulfurization of petroleum distillates can be carried out by cyclic low-temperature adsorption of oxidized sulfur compounds with activated carbon followed by regeneration of the activated carbon using an organic solvent. The activa...
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WO/2001/039878A2 |
An adsorbent for organic sulfur compound removal from mineral, vegetable or animal oils useful to protect a hydrogenation catalyst against poisoning, wherein the adsorbent is a zinc-exchanged form of low silica faujasite with a silica to...
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WO/2001/032805A1 |
Particulate sorbent compositions comprising zinc titanate support having thereon a substantially reduced valence promoter metal selected from the group consisting of cobalt, nickel, iron, manganese, copper, molybdenum, tungsten, silver, ...
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WO/2001/032304A1 |
Particulate sorbent compositions which are suitable for the removal of sulfur from streams of cracked-gasoline or diesel fuel are provided which have increased porosity, improved resistance to deactivation through the addition of a calci...
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WO/2001/016256A1 |
A process for the hydrodesulfurization (HDS) of the multiple condensed ring heterocyclic organosulfur compounds present in petroleum and chemical streams. The stream is passed through at least one reaction zone countercurrent to the flow...
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WO/2001/014051A1 |
Particulate sorbent compositions comprising a mixture of zinc oxide, silica, alumina and a substantially reduced valence cobalt are provided for the desulfurization of a feedstream of cracked-gasoline or diesel fuels in a desulfurization...
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WO/2001/014052A1 |
Particulate sorbent compositions comprising a mixture of zinc oxide, silica, alumina and a substantially reduced valence nickel are provided for the desulfurization of a feedstrean of cracked-gasoline or diesel fuels in a desulfurization...
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WO/2000/077124A1 |
The instant invention is directed to a method for reducing the amount of sulfur in hydrocarbon streams comprising the steps of: (a) contacting a hydrocarbon stream comprising hydrocarbons and sulfur compounds with an adsorbent selective ...
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WO/2000/077125A1 |
A base oil feed having a tendency to form a haze at ambient or sub-ambient temperatures is contacted with a solid adsorbent to remove at least a portion of the haze precursors, thereby reducing the haze-forming tendency of the base oil f...
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WO/2000/071249A1 |
An adsorbent-catalyst for removal of sulphur compounds from sulfur compound contaminated gas and liquid feed streams, wherein the adsorbent-catalyst is a synthetic X or Y faujasite with a silica to alumina ratio from 1.8:1 to about 5:1 a...
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WO/2000/069991A1 |
The present invention relates to the removal of mercury and other heavy metals from a hydrocarbon feedstream. The process involves contacting the hydrocarbon feedstream with a feedstream-soluble sulfur compound and then contacting the hy...
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WO/2000/067897A1 |
The present invention relates to a molecular sieve adsorbing desulfurizer for removal of organic sulfides from hydrocarbon liquid streams and methods of making them. The main ingredient of the desulfurizer comprises X- or Y-type molecula...
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WO/2000/067898A1 |
The present invention relates to a molecular sieve desulfurizer for removing organic sulfur compounds contained in liquid petroleum gas or light oil and methods for preparing the same. The main component of the desulfurizer is a X- or Y-...
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WO/2000/064556A1 |
Disclosed is a liquid phase adsorption process for removing and concentrating heteroatom compounds in hydrocarbons (HCH), comprising the steps of adsorption, copurging and regeneration. In the adsorption step, a liquid hydrocarbon stream...
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WO/2000/063321A1 |
The present invention provides apparatus and a process capable of reducing the sulphur content of the gasoline product resulting from the cracking of a high molecular weight hydrocarbon feed comprising sulphur which comprises at least th...
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WO/2000/048733A1 |
A method for producing a desulfurizing agent characterized in that it comprises admixing a mixed aqueous solution containing a copper compound and a zinc compound with an alkaline aqueous solution to thereby form a precipitate, calcining...
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WO2000001482A9 |
A composition for trapping vanadium containing compounds comprising a porous support and an oxide of an element selected from the group consisting of Ba, Sr, Ca, Mg, and La, or combinations thereof.
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WO/2000/039252A1 |
A fuel processing system is disclosed that is operable to remove substantially all of the sulfur present in gasoline or diesel fuel used for operating an internal combustion engine. The fuel supply (6) is passed through a nickel reactant...
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WO/2000/024847A1 |
A hydroprocessing process for removing impurities from a feed (22) comprising a hydrocarbonaceous liquid comprises at least two cocurrent, upflow hydroprocessing reaction stages (14, 16) and a non-catalytic, vapor-liquid contacting stage...
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