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WO/2000/009630A1 |
The instant invention is directed to a process for removing hard sulfurs from hydrocarbon streams comprising: selectively oxidizing hard sulfurs in a hydrotreated stream, under oxidizing conditions in the presence of an effective amount ...
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WO/1999/067345A2 |
A method is provided for manufacturing cleaner fuels, in which NPC (Natural Polar Compounds), naturally existing in small quantities within various petrolic hydrocarbon fractions, are removed from the petrolic hydrocarbon fractions rangi...
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WO/1999/067018A1 |
A fuel processing system is operable to remove substantially all of the sulfur present in an undiluted hydrocarbon fuel stock supply used to power a fuel cell power plant in a mobile environment, such as an automobile, bus, truck, boat, ...
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WO/1999/059943A1 |
Processes using heterogeneous adsorbents are disclosed for purification of relatively impure unsaturated hydrocarbons such as olefins, which are typically produced by thermal cracking of suitable hydrocarbon feedstocks, by passing a feed...
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WO/1999/049001A1 |
The present invention comprises a composition for reducing the sulphur content in a hydrocarbon composition, wherein the composition comprises a hydrotalcite material, which has been impregnated with a Lewis acid, and optionally an FCC-c...
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WO/1999/040999A1 |
The invention concerns a method for eliminating, reducing, and/or suppressing halogenated compounds, and more particularly chlorinated compounds, contained in a gas or liquid, which consists in contacting the gas or liquid with a composi...
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WO/1999/041333A1 |
A method for hydroisomerizing a waxy feed to favor one of VI or yield is described. The method uses a unitized pellet powder catalyst comprising a metal hydrogeneration component, a first catalytic component selected from 8, 10 and 12 ri...
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WO/1999/038936A1 |
Bromine reactive hydrocarbon contaminants are removed from aromatic streams by first providing an aromatic feedstream having a negligible diene level. The feedstream is contacted with an acid active catalyst composition under conditions ...
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WO/1999/034912A1 |
An adsorbent product for the adsorption of trace elements of sulfur, arsenic, mercury, compounds which contain these elements or metal hydrides from a hydrocarbon gas stream, preferably an olefinic or paraffinic stream, wherein the adsor...
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WO/1999/032577A1 |
Severely contaminated white mineral oils which fail the RCS specification are treated using an acid-treated bentonite clay, such as Tonsil CO 630G. The white oil products produced in the treatment may be a USP grade white oil.
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WO/1999/031199A1 |
The present invention is a process to remove a major portion of metals and coke precursors from a hydrocarbon stream. The steps of the process include contacting the feedstream with a hydrocarbon insoluble adsorbent, recovering the oil w...
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WO/1999/004898A1 |
Fluids are treated to remove undesirable chemical species such as sulphur by bringing the fluid into contact with an adsorbent (10) having a crystal structure, such as an SbSn intermetallic; neucleophilic polar heads (13) are attracted t...
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WO/1999/004899A1 |
A solid chloride absorbent which is capable of effeciently absorbing inorganic chlorides such as hydrogen chloride discharged from a process for treating heavy naphtha with a catalyst activated with an organic chloride or the like or ino...
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WO/1999/003951A1 |
A residuum feedstock is upgraded in a short vapor contact time thermal process unit (11) comprised of a horizontal moving bed of fluidized hot particles and is then fed to a fluid catalytic cracking reactor (17). Hot flue gases from the ...
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WO/1998/054091A1 |
The invention relates to a microporous crystalline material of zeolite nature and known as ITQ-3 to the process for preparing such material and its utilization in processes of separation and transformation of organic compounds. In a calc...
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WO/1998/051762A1 |
A process is provided for reducing the sulfur content of a hydrocarbon stream, wherein a hydrocarbon stream containing sulfur constituents is contacted with a sorbent under temperature and pressure conditions of low severity. The sorbent...
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WO/1998/041596A1 |
The invention concerns a method of purifying contaminated liquids, adsorbents which adsorb the contaminants being added to the liquid. A plurality of adsorbent particles are agglomerated with the contaminants adsorbed therein/thereon to ...
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WO/1998/040450A1 |
Processes using heterogeneous adsorbents are disclosed for purification of olefins such as are typically produced by thermal cracking of suitable hydrocarbon feedstocks, by passing a steam of olefin having from 2 to about 8 carbon atoms,...
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WO/1998/018526A1 |
The process for transforming polychloride-biphenyl (PCB) into inert residue comprises the mixing of two solid absorbent additives, hydrated calcium sulfate also commonly called gypsum, and hydrated magnesium silicate also commonly called...
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WO/1998/017374A1 |
Sulphur compounds are removed from a gas and/or liquid stream by an agent comprising at least one compound of manganese and at least one compound of iron. Desulphurization agent comprising at least one compound of manganese and at least ...
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WO/1998/014402A1 |
The present invention is a process to remove a +2 ionic charged metal from a petroleum feed. The process includes contacting the feed with a resin that includes carboxyl, sulfonic and/or phosphonic groups. In a preferred embodiment the m...
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WO/1998/007805A2 |
The present invention relates to a process for heteroatom removal, particularly during process excursions, from petroleum and chemical hydrocarbon streams. The invention is comprised of at least two zones through which the hydrocarbon st...
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WO/1997/040121A1 |
Process for selectively removing oxygenated contaminants from streams prevalently containing hydrocarbons with from 3 to 8 carbon atoms characterized in that it comprises an adsorption step wherein said contaminants are adsorbed by an ad...
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WO/1997/039994A1 |
A process for selectively removing nitrogenated and/or sulfurated contaminants from streams prevalently containing hydrocarbons with from 3 to 8 carbon atoms characterized in that it comprises an adsorption step wherein said contaminants...
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WO/1997/039084A1 |
A process is provided for in situ mitigation of coke build-up in porous catalyst used for the processing of hydrocarbon feed stocks. The feed is continuously maintained deoxygenated in reactor unit (10) by bubbling helium fed via line (1...
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WO/1997/038065A1 |
A process for the purification of a fluid stream containing a sulphur contaminant, such as hydrogen sulphide, and mercury, phosphine, stibine, and/or arsenic compounds as a second contaminant wherein said fluid stream is passed through a...
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WO/1997/035945A2 |
A process for purifying a liquid hydrocarbon feedstock containing organo-sulfur compounds wherein an aqueous sulfuric acid solution containing ions of a transition metal, such as vanadium, chromium, manganese, cobalt, cerium or mixtures ...
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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...
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WO/1997/007054A1 |
An apparatus (10) and method for treating a liquid hydrocarbon stream useful as a precursor for transportation fuel and which contains an unacceptably high level of heteroatom compounds is provided for the removal of a significant portio...
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WO/1997/004043A1 |
A residuum feedstock (10) is upgraded in a short vapor contact time thermal process unit (11) comprised of a horizontal moving bed of fluidized hot particles. The resulting upgraded product (14) is then fed to a fluid catalytic cracking ...
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WO/1997/004041A1 |
A process for deasphalting a residua feedstock by use of a short vapor contact time thermal process unit comprised of a horizontal moving bed of fluidized hot particles. It is preferred that a mechanical means be used to fluidize a bed o...
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WO/1996/040841A1 |
The invention pertains to the separation of different substances, more specifically, to a method and device for the filtration, degassing and dehydration of, and removal of ageing products from insulation and other petroleum oils. The te...
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WO/1996/033621A1 |
Pre-treatment sorbents suitable for sorptive pre-treatment of edible oils prior to bleaching are produced by mixing a clay mineral composition with a dry granular organic acid.
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WO/1996/033148A1 |
A method to minimize catalyst deactivation rate and coke laydown, and maximize desired reaction rate in processing of industrially significant reactions under supercritical conditions to generate a reaction mixture stream including forme...
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WO1996026005A1 |
Described is an adsorbent based on an inorganic carrier material with exchangeable mono- and bivalent cations, characterized in that the surface to volume ratio of the carrier material is > 100 m<2>/g, its cation exchangeability is 30 mV...
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WO/1996/021707A1 |
Magnetic separation of fluid cracking catalyst and magnetic hooks can be improved by adding antimony, in the feed or during catalyst manufacture, to enhance the magnetic susceptibility, thus increasing the separation efficiency of the ol...
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WO/1996/021745A1 |
A regenerative mercury removal process for simultaneously removing high mercury and water content from a fluid comprising: contacting for a sufficient time a high content mercury-containing fluid with an adsorbent bed (21) having suffici...
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WO/1996/010537A1 |
A process for the removal of large molecules from waste or process streams using an M41S material as an adsorbent. The process is useful for the removal of trace amounts of polynuclear aromatics from complex hydrocarbon mixtures in the v...
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WO/1996/008546A1 |
The invention relates to a process for dechlorinating a spent lubricating oil fraction, optionally mixed with another hydrocarbon stock. Upstream of the recycling operation in refining the spent oil, the latter is subjected to a dechlori...
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WO/1996/001685A1 |
The applicant has discovered a new zeolite containing composition and a process for preparing the same. The composition is unique in that the zeolite crystals making up one layer of the composition pack in a manner such that the composit...
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WO/1996/000269A1 |
Provided is a process for catalytically reforming a hydrocarbon feedstock using a highly sulfur sensivite catalyst. The process comprises contacting the hydrocarbon in a reaction zone, with the hydrocarbon feed and catalyst flowing in op...
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WO/1995/032797A1 |
A collapsed composition is described which is substantially composed of microcrystallites collectively of formula (I), where M2+ is a divalent metal, M3+ is a trivalent metal, and T is vanadium, tungsten, or molybdenum. The microcrystall...
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WO/1995/007958A1 |
A method is disclosed for synthesizing a reactive sulfur-containing adsorbent material for removing metals, preferably mercury, from hdyrocarbon fluids. The method includes impregnating a porous polystyrene resin with elemental sulfur, a...
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WO/1994/028089A1 |
Sulfur and mercaptans in hydrocarbon streams comprising reactive unsaturates are removed by contacting the hydrocarbon stream at mild temperatures with a hydrogen reduced metal oxide, such as copper, zinc and/or aluminum oxide, without t...
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WO/1994/025540A1 |
The invention relates to a process for the removal of mercury and/or other heavy metals from a cracker feed with the aid of an adsorbent. The process is characterized in that the feed is also subjected to magnetic filtration.
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WO/1994/017017A1 |
A method for selectively separating benzene from gasoline boiling range streams by first passing the stream (10) to an adsorption zone (1) comprised of an adsorbent capable of selectively adsorbing benzene from the stream. A substantiall...
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WO/1994/015710A1 |
The present invention advantageously provides a desiccant bed with means for removing residual mercury from a gas, such as a natural gas stream. The desiccant bed includes a silver and/or gold-containing layer and a protective layer of p...
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WO/1994/006537A1 |
Apparatus for removing a contaminant from a container (10) having a liquid inventory (12) including the contaminant as a minor ingredient and having an elevated temperature at the top of the liquid inventory. A treatment vessel (20) cont...
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WO/1993/019812A1 |
A process for decontaminating oils and synthetic liquids containing polychlorobiphenyls comprises passing the liquid through a catalytic bed at an elevated temperature.
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WO/1993/012204A1 |
Provided is a method for removing residual sulfur from a hydrotreated naphtha feedstock (1). The process comprises contacting the naphtha feedstock (1) with a first solid sulfur sorbent (2) comprising a metal on a support to thereby form...
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