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Patent Searching and Data


Matches 601 - 650 out of 1,813

Document Document Title
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO1987005822A3  
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...  
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...  
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.  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
JP2019512032A
The present invention relates to a method of removing polycyclic aromatic hydrocarbon from oil obtained as a result of oil processing alternatively. Two separate processes are included. That is, they are the filtration through a porous c...  
JP2019070154A
[Subject] Offer of a hydrothermal purification process. [Means for Solution] A high-speed hydrothermal purification (HCU) process and a system for reduction of inorganic matter, such as rapid hydrolysis of renewable oil and renewable oil...  
JP6479816B2  
JP2019031664A
To provide a method and an apparatus for producing desulfurized naphtha, that can suppress an increase in a pipe surface temperature of a heating furnace heating pipe in a naphtha hydrodesulfurization apparatus, allow continuation of a s...  
JP2019505609A
The supercritical improvement reaction machine and reaction machine system for improving an oil system constituent, Having one or more purge fluid entrances in one or more catalyst beds and some embodiments, one or more catalyst beds gen...  
JP2019504145A
The embodiment of the process for upgrading an oil system constituent, decreasing a blockade, Introducing into a supercritical upgrade reaction machine system is provided including mixing a supercritical water stream with the oil system ...  
JP2019018192A
To provide a processing method for a waste liquid containing a crude oil and processing equipment for a waste liquid containing a crude oil which enable a reduction in the usage of a flocculant by efficiently recovering oil and water in ...  
JP2019502795A
The embodiment of the method of generating high grade corks from a crude-oil residue, The step which separates a crude-oil residue partially at least in a solvent extraction unit a deasphalting oil (DAO) content style and in the style of...  
JP2019502794A
It mixes with the oil system constituent which is an embodiment of the method of generating paraffine from the oil system constituent containing a long-chain aromatic series, and pressurized and heated the supercritical water style, The ...  
JP2019006996A
To provide a system including process for upgrading a petroleum-based composition.The present invention comprises a step for forming a combined feed stream by combining a supercritical water stream with a petroleum-based composition; a s...  
JP2019002012A
To provide a supercritical upgrading reactor for upgrading a petroleum-based composition.A supercritical upgrading reaction system of the present invention comprises one or more active supercritical upgrading reactors, which is executing...  
JP2018534396A
A method of removing metal impurities from oil charging stock for using it in an electric power generation process is provided. It is characterized by this method comprising the following. Heating charging stock, A step which mixes a hea...  
JP2018176059A
To provide a treatment method of a water-containing oil waste liquid and a treatment apparatus of the water-containing oil waste liquid where an oil having a low water content can be efficiently recovered from the water-containing oil wa...  
JP6384284B2  
JP6382349B2  
JP2018521162A
The present invention relates to the method of processing hydrocarbon charging stock, and is the above-mentioned method, The following processes: a hydrogen treatment process; in this process, they are hydrocarbon charging stock and hydr...  
JP2018119166A
To provide a favorable high efficiency pour point reduction process.A process and system for converting a high-pour-point organic feedstock to an upgraded product that exhibits good low-temperature properties (cloud point, pour point, an...  
JP6348230B2  
JP2018087355A
To provide a process and system that comprise a step of providing a mixture of an organic feedstock and water, and a step of feeding the mixture into a high-rate reactor, and the process and the system include a step of applying heat and...  
JP2018513892A
The continuation mixer for producing the flow which mixed a heating hydrocarbon style and supercritical fluid and with which the upper stream of the supercritical reaction machine was mixed completely. The main part and; heating hydrocar...  
JP6304801B2  
JP2018039005A
To provide a processing method of a crude oil-containing waste liquid capable of effectively and surely separating and recovering crude oil and water of the crude oil-containing waste liquid in short time, and a processing facility there...  

Matches 601 - 650 out of 1,813