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WO/2003/012010A2 |
Economical processes are disclosed for the production of fuels of reduced sulfur content from a feedstock, typically derived from natural petroleum, wherein the feedstock is comprised of limited amounts of sulfur-containing organic compo...
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WO/2003/006363A2 |
The present invention relastes to a process for preparing zeolites using quaternary ammonium cations having the following formula as structure directing agents: wherein: X is-H, methyl,-F,-C1,-F and C1, okr methoxy; R¿1? and R¿2? are e...
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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...
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WO/2003/006369A1 |
The prsent invention relates to new crystalline zeolite SSZ-60 prepared using a N-ethyl-N-(3,3,5-trimethylcyclohexyl)pyrrolidinium cation or N-ethyl-N-(2,4,4-trimethylcyclopentyl)pyrrolidinium templating agent, and processes employing SS...
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WO/2003/006376A1 |
The present invention relates to a process for preparing zeolites using pyrrolidinium cations as structure directing agents.
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WO/2003/006364A2 |
The present invention relates to new crystalline zeolite SSZ-59 prepared using a N-methyl-N-[(1-phenylcyclopentyl)methyl!heptamethyleneiminiu
m cation, N-methyl-N-[(1-(4-chlorophenyl)cyclopentyl)methyl]heptamethy
leneiminium cation, N-me...
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WO/2003/006370A1 |
The present invention relates to new crystalline zeolite SSZ-58 prepared using a N-butyl-N-cyclooctylpyrrolidinium cation or N-propyl-cyclooctylpyrrolidinium cation templating agent, and processes employing SSZ-58 in a catalyst.
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WO/2002/102714A1 |
The present invention relates to the disposal of fluid waste containing organic matter and water in a manner that utilizes the energy potential and the heat capacity of the contaminating matter in the waste. The energy potential and the ...
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WO/2002/097014A1 |
The invention relates to a method of refining crude oils having high acidity by neutralising the organic acidity thereof. The inventive method consists in adding a nitrogenous compound to the crude oil. Said method is characterised in th...
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WO/2002/092511A1 |
The invention relates to a porous crystalline material (ITQ-21) which, in its calcinated form, has chemical composition (1) wherein (n + m) is at least 5; X is a trivalent element; Z is Ge; y is at least one tetravalent element different...
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WO/2002/087743A1 |
Methods for removing sulfur from syngas in a Fischer-Tropsch reactor, and reactors including means for removing sulfur from syngas are disclosed. Sulfur-reactive metals can be used in the Fischer-Tropsch unit to sequester the sulfur. For...
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WO/2002/086022A1 |
A method of desulphurizing and cracking of hydrocarbons to produce fuel oil. The fuel oil is first admixed with a sensitizer and solid source of hydrogen and, preferably, with a catalyst and a desulphurizing agent. The admixture is then ...
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WO/2002/086021A1 |
Potassium formate is used together with a sulfide scavenger to remove and otherwise treat sulfhydryl compounds such as hydrogen sulfide present in hydrocarbons and aqueous substrates.
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WO/2002/083818A2 |
The present invention is directed to a method of desulfurization of a sulfur laden hydrocarbon liquid that comprises contacting the liquid with a sponge nickel metal alloy, removing the sulfur free liquid, regeneration of the alloy by co...
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WO/2002/072739A1 |
The invention relates to a method for producing low-sulphur petrol comprising at least one sulphur compound transformation step consisting of the alkylation or adsorption of the sulphur compounds and/or in increasing the weight of the li...
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WO/2002/072738A1 |
The invention relates to a method for producing petrol having a low sulphur content comprising at least one selective hydrogenation of diolefins, optionally at least one transformation stage, preferably an increase stage, of light sulphu...
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WO/2002/072740A1 |
The invention relates to a method for producing low-sulphur petrol from an initial petrol containing sulphur compounds comprising the following steps: a) the selective hydrogenation of the non-aromatic polyunsaturated compounds present i...
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WO/2002/064705A1 |
A method for removing the mercury in an ionic state from a liquid hydrocarbon, characterized in that it comprises circulating the liquid hydrocarbon containing the mercury in an ionic state held in a vessel having a circulation means to ...
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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/2002/059234A1 |
A process for upgrading oil feedstock wherein the feedstock is hydrotreated, hydrocracked, and flashed and/or distilled. The bottoms are then vacuum distilled to adjust viscosity and volatility. The refined feed is then extracted, dewaxe...
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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/2002/053685A1 |
A method of removing low boiling sulfur compounds from naphtha boiling range streams. The naphtha boiling range stream is contacted with a high silica zeolite at effective conditions to convert lower boiling sulfur compounds to higher bo...
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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/2002/048284A1 |
A process for scavenging hydrogen sulphide from a mixed phase system, in particular a hydrocarbon fluid having a liquid phase and a gaseous phase, is described. The hydrocarbon fluid contains a high level of hydrogen sulphide, which can ...
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WO/2002/042395A1 |
The invention relates to a method for treating aromatic residues by means of elemental sulphur, whereby the aromatic residues react with the added elemental sulphur forming H2S. The invention also relates to products of said method in th...
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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/2002/036717A1 |
A continuous process for removing mercury from a liquid hydrocarbon, which comprises a step of feeding a liquid hydrocarbon containing mercury continuously to an ionization treatment zone to ionize simple mercury and a step of feeding th...
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WO/2002/032812A2 |
An improved zeolite having a high number of strong acid sites wherein said zeolite has an AAI of at least (1.0). In a preferred embodiment, such zeolite is produced by controlling conditions after production of the crystalline structure ...
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WO/2002/031086A1 |
The invention relates to a process for eliminating sulfur compounds from the gasoline fraction, which is characterized in that an oxidation reaction of said sulfur compounds is carried out using at least one organic-inorganic composite a...
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WO/2002/030819A1 |
The invention relates to a zeolitic microporous crystalline material corresponding to empirical formula (I): X (M¿1/n?XO¿2?): yYO¿2?: zGeO¿2?: (1-z)TO¿2?, wherein x has a value of between 0 and 0.2; y has a value of between 0 and 0....
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WO/2002/030821A1 |
The invention relates to a new family of zeolitic materials included under the name ITQ-16, to a method for obtaining it and to the use thereof as catalyst. This family of materials, zeolite ITQ-16, is characterized in that it has differ...
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WO/2002/026357A2 |
Provided is a trap and method for removing hydrogen sulfide from a gas stream. The hydrogen sulfide trap includes a monolith substrate on which is disposed zinc oxide, and a second metal or oxide thereof. In some aspects, the hydrogen su...
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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/2002/021623A1 |
A fuel processing method is operable to remove substantially all of the sulphur in an undiluted oxygenated hydrocarbon fuel stock supply which contains an oxygenate and which is used to power a fuel cell power plant in a mobile environme...
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WO/2002/018044A1 |
An FCC catalyst which deactivates catalyst-poisoning metals, such as nickel and vanadium, contained in a feedstock oil, inhibits the generation of hydrogen or coke, has excellent cracking activity and the high ability to treat a bottom, ...
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WO/2002/018518A1 |
A process for desulfurizing fuels such as diesel oil and similar petroleum products to reduce the sulfur content to a range of from about 2 to 15 ppm sulfur is described. The sulfur containing fuel is contacted at slightly elevated tempe...
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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/2001/098239A1 |
Methods for separating olefins from non-olefins, such as paraffins, including cycloparaffins, oxygenates and aromatics, are provided. The methods use metal salts to complex olefins, allowing the non-olefins to be separated by a variety o...
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WO/2001/096498A1 |
The invention concerns a sequence of steps for desulphurizing gasoline for example from catalytic cracking comprising the elimination of thiophenic compounds by alkylating said compounds, Said method enables to cut out the step of elimin...
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WO/2001/094502A1 |
The invention relates to naphtha hydrodesulfurization incorporating either high temperature depressurization or controlled heating for mercaptan removal. More particularly, the invention relates to a naphtha hydrodesulfurization process,...
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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/2001/092155A1 |
The present invention relates to a new crystalline zeolite SSZ-53 prepared by using phenylcycloalkylmethyl ammonium cations as structure directing agents.
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WO/2001/072931A1 |
Freshly picked plant material of Halopetalea Integrifolia is suspended in water containing Citric Acid, Sodium Chloride, Aluminium Silicate, Zinc Sulphate and Copper Sulphate. This mixture is allowed to stand for about seventy-two hours....
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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/2001/066464A2 |
The present invention relates to new crystalline zeolite SSZ-55 prepared using a phenylcycloalkylmethyl ammonium or N-cyclohexyl-N-(2-methylpropyl)pyrrolidinium cation templating agents.
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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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