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WO/1996/005903A1 |
A device for purifying gasoline by separating the paraffins and varnishes that cause air pollution when burned through an internal-combustion engine. The device includes an inlet fitting (1), either a removable cap (2) or a non-removable...
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WO/1995/031516A1 |
The invention relates to a method of separating a multiple phase liquid medium comprising a first liquid phase and a second liquid phase wherein the medium is contacted with a first filter, said filter having been wetted by a wetting age...
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WO/1995/022589A1 |
A process for significantly decreasing the acid sludge settling time in waste oil recovery processes comprising the steps of heating used oil to a high temperature above 725 degrees Fahrenheit (4), cooling the heated oil (6), adding an o...
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WO/1995/014850A1 |
Disclosed is a method and system for recovering energy from low-grade fuels such as industrial, municipal and agricultural waste, low-grade carbonaceous fuels such as lignite and similar solid fuels in which the fuel is comminuted into s...
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WO/1995/008606A1 |
The pervaporative treatment of hydrocarbon feeds which have been exposed to air or oxygen and which contain mixtures of aromatic and non-aromatic hydrocarbons to selectively separate the feed into an aromatics rich stream and a non-aroma...
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WO/1995/007134A1 |
To remove acid components, such as mercaptans, from liquid hydrocarbons, such as light oil fraction, a stream of hydrocarbon (2, 3) and a stream of an aqueous alkali solution (4, 5) are fed either side of a porous membrane, the pores of ...
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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/1994/015689A1 |
A combination filter and evaporator unit (10) for use in small engine applications includes a filter member (12) that is screw threadedly engaged to the evaporator unit (14) to facilitate replaceement of filter media (18) as needed. The ...
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WO/1994/013756A1 |
This invention relates to a method for ultrafiltering heavy hydrocarbons containing detrimental qualities of metals and CCR, said method comprising feeding the heavy hydrocarbons to a first ultrafiltration stage wherein the feed is conta...
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WO/1994/010114A1 |
The present invention is a process for the recovery of normal alcohols, especially C1-C20 n-alcohols, preferably n-C4-C14 alcohols, most preferably n-C6-C11 alcohols from n-paraffins by means of pervaporation through a membrane. The alco...
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WO/1994/007972A1 |
Straight run hydrocarbon distillate streams containing low concentrations of 2-ring aromatics can be processed to remove a high percentage of the 2-ring aromatics by contacting said stream with one side of a polyester imide membrane unde...
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WO/1994/007592A1 |
The selectivity of a membrane pervaporation aromatics/non-aromatics separation process is unexpectedly improved by the recycle of permeate to the separation process for co-processing with fresh feed. The selectivity obtained is greater t...
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WO/1994/007587A1 |
The invention deals with filtering and processing polluted liquids, in particular used oil, but also creosotes or coolants or cooling water. The aim of the invention is to provide a compact, portable and economic device having however a ...
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WO/1993/004143A1 |
Hard asphalts exhibiting acceptable penetration and low temperature properties can be produced from vacuum residua from which such hard asphalts are not normally obtainable via typical vacuum distillate such as that derived from Arab Lig...
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WO/1992/022624A1 |
Apparatus for reclaiming a useful oil product has an evaporation chamber, including an inlet for the waste oil, and an outlet for the vaporized oil, as a useful oil product. Burners are provided for heating the evaporation chamber to vap...
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WO/1992/019376A1 |
A demetallization process for catalysts used for chemical conversion of hydrocarbons, the catalysts containing at least vanadium as a metal poison, wherein the poisoned catalyst is contacted in a sulfiding zone with a sulfiding agent and...
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WO/1992/017427A1 |
The separation of aromatic hydrocarbons from mixtures of aromatic and non-aromatic hydrocarbon feeds under pervaporation conditions, is improved by the control of the amount of oxygen present in the feed. The amount of oxygen in the feed...
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WO/1992/016478A1 |
A semi-permeable membrane process of separating impurities from a hydrocarbon mixture. A fuel gas sweep gas is used to purge and dilute the permeate. Because this reduces the partial pressure of the impurities, the driving force for perm...
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WO/1992/010274A1 |
The present invention is directed to a multi-block polymeric material comprising a first amide acid prepolymer, made by combining A) a diamine with B) a dianhydride or its corresponding tetraacid or diacid-diester in an A/B mole ratio ra...
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WO/1992/010276A1 |
A multi-block polymer comprising an oxazolidone prepolymer chain extended with a second compatible prepolymer, the membrane made therefrom and the use of said membrane in aromatics/non-aromatics separations is disclosed. The multi-block ...
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WO/1992/008770A1 |
Commercially valuable oil is recovered from refinery-produced, Resource Conservation and Recovery Act classified, hazardous waste oil sludges by a series of volatilizing and condensing steps (which may vary depending on the oil, water, a...
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WO/1992/007921A1 |
The invention relates to a process and installation for producing liquid fuels and raw chemicals from petroleum as part of a refinery process with processing stages for distillation, thermal and/or catalytic cracking and reformation wher...
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WO/1992/007649A1 |
A dimensionally stable, composite membrane of a microporous film in laminar contact with a continuous perfluoro ion exchange resin layer is provided. The composite membrane comprises a continuous perfluoro ion exchange polymer layer whic...
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WO/1992/004424A1 |
Commercially valuable oil is recovered from refinery-produced, Resource Conservation and Recovery Act classified, hazardous waste oil sludges by a series of volatilizing and condensing steps (which may vary depending on the oil, water, a...
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WO/1991/018676A1 |
Cyclone separator for the stabilization of gas or vapour saturated fluid or a fluid mixture. The fluid phase is led from one separator chamber (14) to a second chamber (15) at a lower pressure, through one or more nozzle ducts (18) in or...
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WO/1990/012633A1 |
The invention concerns a method of breaking oil/water emulsions by the addition of cationic polymers. The method is characterized by the fact that a synthetic cationic organic polymer made from (a) 5-70 % by wt. of a monomer of the gener...
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WO/1989/001508A1 |
Used oils, in particular spent lubricating oils, are coarse filtered and then mixed with an aqueous solution of sodium or potassium silicate and an aqueous solution of polyalkylene glycol at high temperature with stirring. The mixture ob...
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WO/1988/003836A1 |
Apparatus for treating asphaltene bearing fuels, and a method for treating asphaltene bearing fuels. Known apparatus for treating asphaltene bearing fuels suffer from the drawback of not being able to sufficiently reduce the size of unde...
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WO/1987/005822A2 |
Oil emerging from a storage tank and containing all forms of pollution is placed in extensive surface contact with an underlying washing liquid having a greater specific gravity, on to which it diffuses, gives up to it material soluble t...
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WO/1986/000242A1 |
A filter assembly (10) and associated filter unit (12) includes a repelling-action filter media (52) for use in vacuum or suction side fuel filter applications. In particular, the filter unit is a screw on unit with centrally located thr...
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WO/1980/002384A1 |
The rate of filtration of a coal liquid slurry is increased by adding polyisobutylene to the slurry prior to filtration or by washing a precoat cake of filter aid with an oil solution of polyisobutylene prior to filtration.
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WO/1980/002386A1 |
The rate of filtration of a coal liquid slurry is increased by adding an alkylmethacrylate copolymer and an alcohol containing 2 to 10 carbon atoms to the slurry prior to filtration or by adding the alcohol to the slurry and washing a pr...
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WO/1980/002382A1 |
The rate of filtration of a coal liquid slurry is increased by adding ethylene vinyl acetate copolymer to the slurry prior to filtration or by washing a precoat cake of filter aid with an oil solution of ethylene vinyl acetate copolymer ...
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WO/1980/002381A1 |
The rate of filtration of a coal liquid slurry is increased by adding polyisobutylene and an alcohol containing 2 to 10 carbon atoms to the slurry prior to filtration or by adding the alcohol to the slurry and washing a precoat cake of f...
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WO/1980/002383A1 |
The rate of filtration of a coal liquid slurry is increased by adding an ethylene vinyl acetate copolymer and an alcohol containing 2 to 10carbon atoms to the slurry prior to filtration or by adding the alcohol to the slurry and washing ...
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WO/1980/002385A1 |
The rate of filtration of a coal liquid slurry is increased by adding an alkylmethacrylate copolymer to the slurry prior to filtration or by washing a precoat cake of filter aid with an oil solution of the alkylmethacrylate copolymer pri...
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WO/1980/001388A1 |
Process for desalting fuel oil by mixing the fuel oil with clean water to thereby separate and remove sodium and potassium salts contained in the fuel oil, comprising the steps of separating and removing the heavy content and salt-contai...
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JP2024504957A |
By hydroprocessing the unconverted oil from the hydrocracker in an unconverted oil upgrading reactor to produce an upgraded unconverted oil and by dewaxing the upgraded unconverted oil to produce a base oil product. A method of producing...
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JP2024504568A |
Embodiments of the present disclosure are directed to a process for producing an upgraded product from a residue, including upgrading an atmospheric residue or a vacuum residue, the process comprising converting the residue to solvent de...
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JP2024502545A |
A process for upgrading a hydrocarbon-based composition comprising combining a stream of supercritical water with a pressurized and heated hydrocarbon-based composition in a mixing device to create a mixed feed stream. This mixed feed st...
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JP2023549603A |
A broad aspect of the disclosure provides that in the presence of a catalytically active material and amount of hydrogen in a hydroprocessing process, at least 10 ppmw, at least 100ppmwor at least 500ppmw, and 1000ppmwLess than 5000ppmwL...
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JP7383447B2 |
To provide a hydrodesulfurization method for treating heavy oil having high residual carbon content and high density with an indirect desulfurization apparatus.The hydrodesulfurization method comprises: a mixed oil preparation step of mi...
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JP7351445B2 |
Products from a high pressure processing system are separated and purified. The processing system is adapted for pressurizing and heating a feed mixture comprising carbonaceous material(-s) in the presence of homogeneous catalysts and li...
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JP2023530341A |
A process for forming petroleum products includes introducing a feedstream of petroleum feedstock into a supercritical water reactor. The feed stream is reacted with supercritical water in the supercritical water reactor, thereby forming...
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JP2023083016A |
To provide a base oil production method, a base oil production apparatus, and a base oil production and logistics complex system with the same that can efficiently meet supply of various waste oils and recycled oils and demand for the va...
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JP2023524209A |
introducing the mixed flow into a supercritical reactor, wherein the volume ratio of water and oil in the mixed flow is in the range of 10:1 to 2:1; reacting to produce a reactor effluent, wherein the oil undergoes a conversion reaction ...
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JP7286209B2 |
Provided is a method of removing a metal substance in a petrochemical product including: supplying a petrochemical product stream to an incoming tank through a supply pipe, circulating the stream through an incoming tank circulation pipe...
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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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JP2023027759A |
To provide a high quality lubricant oil manufacturing process utilizing a waste lubricant oil purification fraction.Provided is a high quality lubricant oil manufacturing process utilizing a waste lubricant oil purification fraction, inc...
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