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WO/1992/017428A2 |
The present invention is directed to a process for removing impurities from hydrocarbon streams, preferably light ends, such as propylene and ethylene, which is preferably in the liquid phase, by contacting the hydrocarbon stream contain...
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WO/1992/010449A1 |
The present invention is directed to a process for removal of sulfur contaminants from hydrocarbons using processes which rely upon the reaction of organosulfur compounds with N-halogeno compounds. The sulfur removal may be effected by u...
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WO/1992/006938A1 |
This invention relates to a method for removing oxygenated aromatic color bodies from a C¿8-11? aromatic hydrocarbon stream having a boiling range between 70-240 °C, and more particularly a styrenic fraction having a boiling range betw...
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WO/1992/007046A1 |
A process for purifying linear paraffins in which a hydrocarbon feedstream containing linear paraffins contaminated with aromatics, sulfur-, nitrogen-, and oxygen-containing compounds, and color bodies, and also containing up to about 5 ...
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WO/1992/006758A1 |
Polyaromatic hydrocarbons, such as benzo(a)pyrene, are removed from aqueous or organic liquids, such as edible oils or solutions or dispersions thereof, by the use of an organoclay absorbent, the clay having interlayer cation exchange ca...
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WO/1992/007045A1 |
A process for purifying linear paraffins in which a hydrocarbon stream containing linear paraffins contaminated with aromatics, sulfur-, nitrogen-, and oxygen-containing compounds, and color bodies, but essentially free of olefins, is co...
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WO/1991/015559A2 |
A method of removing contaminants from a hydrocarbon stream which involves contacting the hydrocarbon stream containing a heavy-metal contaminant with a porous material under conditions suitable for adsorption of the contaminant by the p...
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WO/1991/015444A1 |
The present invention is directed to the removal of organochlorides from hydrocarbon streams using highly crystalline molecular sieve material, such as zeolites, and particularly zeolite X in a sodium form, and the removal of organochlor...
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WO/1991/005607A1 |
A spent absorbent material comprising a supported mixture of nickel oxide and metallic nickel may be reactivated a limited number of times by heating the material at 150-450 °C under a flow of non-oxidizing gas.
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WO/1991/004096A1 |
A regenerable molecular sieve comprises 0.001 - 15 % elemental silver or gold in or on zeolite A. The molecular sieve is capable of simultaneously removing mercury and water from a fluid. A method for impregnating zeolite A with elementa...
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WO/1990/015039A1 |
Supported metal oxide catalysts such as lead oxide catalysts are rejuvenated after absorbing arsenic compounds from hydrocarbon streams (such as propylene) by heating them in an inert, oxygen-free atmosphere, optionally with moisture pre...
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WO/1990/010684A1 |
Process for eliminating mercury and possibly arsenic from hydrocarbon fillers containing mercury and sulphur, characterized in that said filler is made to pass through in the presence of hydrogen and contact an arsenic-capturing body ("c...
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WO/1990/009363A1 |
The present invention relates to a process for producing a lube oil having a low pour point and excellent viscosity and viscosity index comprising isomerizing a waxy feed over a catalyst comprising an intermediate pore size silicoalumino...
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WO/1990/001528A1 |
A process for treating a by-product oil is disclosed, which comprises treating a raw material containing a heavy oil formed as a by-product in the step of producing alkylbenzene or the like by alkylation of benzene or the like, with a ca...
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WO/1988/005034A1 |
Use for the substantial removal of polynuclear aromatic compounds from hydrocarbon streams containing said compounds of a complex of the general formula (Cu R SO3)2Ar, in which R is a hydrocarbon or substituted hydrocarbon group and Ar i...
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WO/1988/005072A2 |
A system for the substantial removal of polynuclear aromatic compounds from lubricating oil used to lubricate the engine of a motor vehicle comprising a sorbent located within the lubricating system and through which the lubricating oil ...
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WO/1987/006604A1 |
Process for removing arsenic from petroleum fraction, which comprises bringing an arsenic-containing petroleum fraction into contact with an adsorbent comprising a base of activated carbon, bituminous coal, organic high-molecular compoun...
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WO/1986/005800A1 |
Normal paraffins present in high concentrations in light naphtha streams are separated from non-normal paraffins in a four or more bed adsorption system employing, on a cyclic basis, the processing steps of (1) cocurrent purge/adsorption...
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WO/1985/004819A1 |
Free excess charge which is net unipolar is introduced, preferably by charge injection, into the continuous phase. The charge transfers, through the continuous phase, to the dispersed phase and an induced electric field is thereby set up...
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WO/1985/004818A1 |
Particles/droplets/bubbles forming a dispersion in a continuous fluid can be increased in size by conglomeration induced by introducing free excess charge which is net unipolar (for example, by charge injection) into a body of the disper...
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WO/1985/001740A1 |
A process for converting residual oil comprising vacuum bottoms in the presence of a cracking catalyst of high surface are and comprising an ultrastable zeolite. More particularly, a conversion process particularly contributing to produc...
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WO/1982/003226A1 |
A process for the treatment of a hydrocarbon oil feed having significant content of vanadium to provide a higher grade of oil products by contacting the feed under treatment conditions in a treatment zone with sorbent material containing...
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WO/1982/002342A1 |
A process for the removal of hydrocarbon composition(s) from mixtures containing same, whether in liquid, gazeous, or mixed liquid-gazeous phase, comprising contacting the mixture with an elastomer under conditions which cause the elasto...
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WO/1982/002347A1 |
For this purpose, the hydrogen sulfide in the liquid is contacted with iron oxide particles typically containing a crystalline phase of Fe3O4 or Fe2O3 and combinations thereof together with an amorphous Fe2O3 portion, and having a surfac...
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JP7455296B2 |
To provide a remover and a removal method that remove poorly desulfurizable sulfur compounds by treating at a low temperature of not higher than about 50°C, without requiring hydrogen.Poorly desulfurizable sulfur compounds are removed b...
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JP2024008326A |
The present invention provides a method for regenerating used turbine oil. A method for regenerating used turbine oil includes a contacting step of bringing the used turbine oil into contact with an adsorbent, and an addition step of add...
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JP7370731B2 |
To obtain a thermal decomposition oil with a low nitrogen content from a nitrogen-containing plastic.A method of this invention comprises a process of heating a nitrogen-containing plastic in the presence of an alkaline earth metal compo...
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JP2023134382A |
To provide a method for producing a low-amount chloride-containing raw material from a chloride-containing crude oil or fat raw material.There is provided a method for producing a low-amount chloride-containing raw material from a chlori...
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JP7345192B2 |
The present invention provides a method and apparatus for processing to improve the properties of pyrolysis oil and, as a result, the commercial value of the same. The net result is creation of an oil with a much lighter color in lieu of...
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JP2023129451A |
The present invention provides a method and an apparatus for processing to improve the properties of pyrolysis oil and, as a result, enhancing the commercial value of the oil. The net results are creation of oil with a much lighter color...
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JP2023531604A |
A system and method for processing pyrolysis oil is disclosed. The pyrolyzed oil is treated with an adsorbent that captures and/or adsorbs gum and/or gum precursors and other heteroatom-containing components, thereby removing said gum an...
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JP2023525285A |
The present invention is a process for purifying crude nitrogen-, sulfur- and halogen-containing pyrolysis oils originating from the pyrolysis of plastic waste, comprising: (i) (a) 1, 2, 6 of the IUPAC Periodic Table; (b) 1, 2, 6, 7, 8, ...
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JP2023522976A |
Provided, in one embodiment, is a continuous process for converting waste plastics, including polyethylene and/or polypropylene, into recycle for polypropylene polymerization. The process selects waste plastics comprising polyethylene, p...
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JP2023522977A |
Provided, in one embodiment, is a continuous process for converting waste plastics, including polyethylene and/or polypropylene, into recycle for polyethylene polymerization. The process selects waste plastics comprising polyethylene, po...
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JP2023506852A |
The present invention describes a mass for scavenging thiols, which is particularly suitable for treating olefin-containing and sulfur-laden gasoline fractions, such as gasoline from catalytic cracking. The entrapped mass consists of par...
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JP2023024393A |
To provide a device and method for refining a waste plastic pyrolysis oil.There is provided a device and method for refining a pyrolysis oil, in which a de-chlorination reaction is performed at a first temperature under a first hydrotrea...
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JP7185993B2 |
To provide an adsorbent in which a hydrocarbon containing a sulfur compound is easily diffused inside an adsorbent, by solving the problem that a conventional adsorbent is insufficiently diffused into an adsorbent.An adsorbent for removi...
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JP2022539002A |
CS2A hydrocarbon stream containing a solid reactive CS containing primary and/or secondary amino group-bearing hydrocarbon residues attached to a solid support at temperatures ranging from 0 to 300 °C.2-CS obtained in contact with scave...
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JP2022534554A |
A method and system for treating a hydrotreating unit off-gas stream for recycling comprises introducing the off-gas stream into a hydrogen refining zone, producing a hydrogen-rich gas stream and C1-C4 hydrocarbons and H2recovering a liq...
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JP2022530180A |
The present invention relates to an adsorbent for separating an organic chloride compound from a liquid hydrocarbon and a process thereof. The adsorbent has a permeation structure in which surface properties are modified by using a small...
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JP7083991B2 |
To provide a property improvement method of light oil that can improve properties of the light oil by removing polycyclic aromatic compounds to reduce coloration.Provided is a property improvement method of light oil comprising contact-t...
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JP6937832B2 |
Embodiments provide a method and apparatus for recovering components from a hydrocarbon feedstock. According to at least one embodiment, the method includes supplying a hydrocarbon feedstock to an oxidation reactor, wherein the hydrocarb...
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JP6923557B2 |
Process embodiments for producing high grade coke and fuel grade coke from residual oil comprises: introducing the residual oil and a first paraffinic solvent having a carbon number Cn to a first solvent deasphalting unit to produce a hi...
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JP6867494B2 |
A process for the treatment of a hydrocracking unit bottoms recycle stream, and preferably the fresh hydrocracker feed to remove heavy poly-nuclear aromatic (HPNA) compounds and HPNA precursors employs, in the alternative, an adsorption ...
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JP6849504B2 |
To provide a purification method of a jet fuel transportation product capable of effectively improving quality of the jet fuel transportation product which is reduced during storage in a tank to which inert gas obtained by using exhaust ...
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JP6840325B2 |
The method for regenerating a waste insulating oil according to the present invention comprises: step A in which an adsorbent 10 comprising one or more substances selected from among plaster, diatomaceous earth, bentonite, and marine sil...
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JP6818737B2 |
An integrated process is provided for producing deasphalted oil, high quality petroleum green coke and liquid coker products. An enhanced solvent deasphalting process is used to treat the feedstock to reduce the level of asphaltenes , N,...
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JP6716590B2 |
This invention provides a process for removing mercury, from a mercury-containing hydrocarbon fluid. More specifically, the invention relates to a process for the removal of mercury from a mercury-containing hydrocarbon fluid feed compri...
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JP6706730B1 |
The present invention discloses a fixed adsorbent reactor for removing low-distilled alkaline nitrogen in crude oil. However, in this reactor, a temperature-sensitive alkaline nitrogen adsorbent with a three-dimensional braided structure...
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JP2020514484A |
Methods and devices for improving the quality of hydrocarbon raw materials are provided. This method uses a catalyst to supply a hydrocarbon raw material to an oxidation reactor to oxidize the sulfur compound in the hydrocarbon raw mater...
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