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Matches 1 - 50 out of 8,961

Document Document Title
WO/2019/138338A1
The present patent application discloses a new and innovative method for purification of glycerol derivatives, by simulated moving bed chromatography. The method of the present patent application allows the separation of at least one gly...  
WO/2019/137383A1
A method for purifying a solvent used for extractive rectification separation of styrene, comprising: introducing a styrene-containing raw material from a center portion into an extractive rectification column; introducing an extractive ...  
WO/2019/139558A1
The invention relates to the oil-refining industry, in particular, to methods for purifying a fuel from sulfur-containing compounds. The method for purifying liquid hydrocarbon motor fuels from sulfur and for further reducing the sulfur ...  
WO/2019/136283A1
This present disclosure relates to catalytic processes for upgrading crude and/or refined fusel oil mixtures to higher value renewable chemicals, via mixed metal oxide or zeolite catalysts. Disclosed herein are processes passing a vapori...  
WO/2019/135484A1
The present invention relates to a method for preparing paraffin, and can provide a method for preparing paraffin comprising a hydrogenation step of by-products of a process for preparing linear alpha olefins. Since the method for prepar...  
WO/2019/133590A1
A membrane process is provided for separating light olefins from light paraffins to produce a polymer grade light olefin product stream that is 99.5 mol% ethylene or propylene. The process involves multiple stages to achieve the high pur...  
WO/2019/122444A1
The present invention is directed to processes for the manufacture of extracts containing lycopene, as well as to the thus obtained extracts. One process according to the present invention comprises the following steps: a) providing toma...  
WO/2019/122650A1
The present invention relates to zeolitic adsorbents based on agglomerated crystals of zeolite X comprising barium, potassium, sodium and strontium. These adsorbents are used in the separation of fractions of C8 aromatic isomers and in p...  
WO/2019/122649A1
The present invention relates to zeolitic adsorbents comprising agglomerated crystals of zeolite(s) containing barium and strontium. Said adsorbents are suitable for use in the separation of fractions of C8 aromatic isomers and in partic...  
WO/2019/126406A1
Processes for co-production of methyl tertiary-butyl ether (MTBE) and alkylate is disclosed. The process includes comprising passing a hydrocarbon feed stream comprising C4 hydrocarbons to a dehydrogenation unit to generate a dehydrogena...  
WO/2019/120938A1
The invention relates to a pretreatment process for improving the filling of a chamber with solid particles, wherein said solid particles are mixed, before said solid particles are loaded into the chamber, with at least one lubricant tha...  
WO/2019/115627A1
The present invention relates to a dual catalyst composition comprising a component with acid moieties selected from oxides and mixed oxides of aluminum, a component having dehydrogenating moiety selected from oxides of a metal in Group ...  
WO/2019/115251A1
The present invention concerns a method for purifying an olefinic feedstock comprising olefins with 4 carbon atoms and impurities including isobutanal, ethanol and acetone, said method comprising a pre-treatment comprising at least a ste...  
WO/2019/115450A1
Purification of a gas stream for polyolefin synthesis. Preferred gas is ethylene or propylene. Impurities are withdrawn when passing through an inorganic adsorbent, and then alkynes are selectively hydrogenated over a dedicated catalyst ...  
WO/2019/112769A1
A process and related system for producing para-xylene (PX). In an embodiment, the process includes (a) separating a feed stream comprising C6+ aromatic hydrocarbons into a toluene containing stream and a C8+ hydrocarbon containing strea...  
WO/2019/113191A1
A method for retrofitting a system for recovering paraxylene. The system is retrofitted with a pressure swing adsorption unit and a second isomerization reactor. The retrofit lowers the variable cost of the plant, while providing the opp...  
WO/2019/113207A1
A method for recovering paraxylene from a mixture of aromatic hydrocarbons. The process uses a pressure swing adsorption zone followed by a paraxylene recovery zone. The invention provides for lower throughput through the paraxylene reco...  
WO/2019/113230A1
A method of recovering paraxylene in a pressure swing adsorption unit with varying hydrogen purge pressures. The pressure swing adsorption zone is adapted to adsorb and desorb paraxylene based on the cycling of partial pressure in the zo...  
WO/2019/113201A1
A method of recovering paraxylene in a crystallization zone. The crystallization zone includes at least two crystallization stages and two reslurry stages. The method provides for lower throughput through the crystallization zone, result...  
WO/2019/113188A1
A method of recovering paraxyiene in a pressure swing adsorption unit with varying hydrogen purge pressures. The pressure swing adsorption zone is adapted to adsorb and desorb paraxyiene based on the cycling of partial pressure in the zo...  
WO/2019/113218A1
A method for the recovery paraxylene with reduced crystallization. Paraxylene is recovered from a mixture of C8 aromatic hydrocarbons in a pressure swing adsorption zone and a crystallization zone. The invention provides for lower throug...  
WO/2019/107713A1
The present invention relates to a method for oligomerizing olefins, and provided is a method for oligomerizing olefins, comprising the steps of: carrying out the oligomerization reaction of olefins by injecting an oligomerization transi...  
WO/2019/103726A1
Processes and apparatus for making xylenes and phenol are described. Phenol and alkyl phenols are separated from coal derived liquid. The phenol is separated from the alkyl phenols. The alkyl phenols can be reacted with aromatics such as...  
WO/2019/101957A1
The invention relates to a method (100) for obtaining polymerizable aromatic compounds having nine carbon atoms (S), wherein a component mixture (B) is formed at least in part by means of steam cracking, wherein the component mixture is ...  
WO/2019/095028A1
The invention relates to an integrated set of equipment and a process for treating and refining highly contaminated biogas for the purpose of producing biomethane and to the supply thereof in small volumes of up to 10 m3/h to vehicles, s...  
WO/2019/099362A1
Processes and apparatus for isomerizing hydrocarbons are provided. The process comprises isomerizing at least a portion of the hydrocarbon feed stream comprising at least one of?#191 C4 to C7 hydrocarbons in the presence of an isomerizat...  
WO/2019/098502A1
The present invention provides a method for decomposing a byproduct of phenol generated in a phenol production process, whereby acetophenone separated via a distillation tower is mixed with tar separately recovered from a decomposition r...  
WO/2019/098501A1
The present invention relates to a process for decomposing a by-product of a phenol production process by using a reactive distillation column in which a reactor and a distillation column are integrated, wherein acetophenone is mixed and...  
WO/2019/089684A1
A process is provided for removing contaminants from olefin containing C4 streams. The streams are contacted with an X based zeolite adsorbent comprising greater than 88% X zeolite at a SiO2/Al2O3 ratio of less than 2.5 and an alkali met...  
WO/2019/089087A1
A carbon molecular sieve (CMS) membrane having improved separation characteristics for separating olefins from their corresponding paraffins is comprised of carbon with at most trace amounts of sulfur and a group 13 metal. The CMS membra...  
WO/2019/060324A3
The invention is directed to a combined naphtha hydrotreating (NHT) and isomerization process scheme, which includes dividing wall columns (DWC) that replace multiple distillation columns and allow optimized heat integration within the s...  
WO/2019/081628A1
The invention relates to a method for removing dienes from a material stream containing C3 to C5 hydrocarbons by selective hydrogenation at a predefined reaction pressure and a predefined reaction temperature in the presence of a hydroge...  
WO/2019/083561A1
A methane conversion process for producing C2+ hydrocarbons comprising (a) introducing a reactant mixture comprising methane (>20 mol%) and an inert compound to a reaction unit to produce a reactor effluent stream comprising C2+ hydrocar...  
WO/2019/079659A1
The present invention relates to a process and apparatus for reducing the desorbent recovery cost in a light desorbent system. More specifically, the present invention relates to an alternate flow scheme that for pre-fractionation of the...  
WO/2019/076984A1
The invention relates to a process (100) for producing ethylene, in which process a first gas mixture (1) is formed by means of a method for the oxidative coupling of methane (10), part of the first gas mixture (1) is used to form a seco...  
WO/2019/075196A1
The present invention relates to minimizing benzene, toluene, and an A9/A10 recycle loop in a zero benzene aromatics complex. More specifically, the present invention relates to a minimizing benzene, toluene, and an A9/A10 recycle loop i...  
WO/2019/071869A1
A device and a method using stepped cooling to recover ethane from natural gas. The recovering device comprises: a cold box (1), a low-temperature separator (2), a demethanizer (4), a de-ethanizer (6), a propane heat exchange system (14)...  
WO/2019/075194A1
The present invention relates to minimizing benzene, toluene, and an A9/A10 recycle loop in a zero benzene aromatics complex. More specifically, the present invention relates to a minimizing benzene, toluene, and an A9/A10 recycle loop i...  
WO/2019/066224A1
The present invention relates to a method for olefin oligomerization, and can provide a method for olefin oligomerization, the method comprising the steps of: introducing an oligomerization transition metal catalyst, olefin monomers, and...  
WO/2019/067191A1
The present invention relates to dual extract flush for feeds for xylene extraction processes. More specifically, the present invention relates to dual extract flush for feeds for simulated moving bed extraction processes. It decouples l...  
WO/2019/067237A1
A process is provided for separation of light olefins and paraffins and particular for the separation of propylene and propane comprising sending at least one olefin/paraffin stream to a distillation column and a membrane unit to produce...  
WO/2019/060153A1
A process for recovering a steam cracking feed from FCC absorber off-gas comprising ethylene, ethane and heavier hydrocarbons and light gases involves removing hydrogen, nitrogen, sulfur species, carbon monoxide/dioxide, methane and othe...  
WO/2019/055449A1
A composition comprising a supported hydrogenation catalyst comprising palladium and a support, wherein the supported hydrogenation catalyst is capable of selectively hydrogenating highly unsaturated hydrocarbons to unsaturated hydrocarb...  
WO/2019/053122A1
The invention relates to a method for producing ethylene, in which a process gas is formed using a dehydrogenation of ethane and contains at least ethane, ethylene and compounds having a lower boiling point than ethane and ethylene, and ...  
WO/2019/051744A1
Disclosed is a method for preparing a coal-based activated charcoal complex adsorbent, the method comprising the following steps: adding 10-20 parts of coal-based activated charcoal to 50-60 parts of distilled water, stirring same in a w...  
WO/2018/144740A8
A method including contacting an organic stream with water and carbon dioxide, whereby sodium is extracted from the organic stream, and separating an aqueous sodium salt-containing phase from an organic phase comprising a reduced sodium ...  
WO/2019/043249A1
The present invention relates to a hybrid process for producing high-purity para-xylene from a feedstock of fractions of aromatic hydrocarbon isomers containing 8 carbon atoms, in liquid phase, comprising: a) a step of simulated counterc...  
WO/2019/046073A1
A process for separating xylene from a feedstock in which the feedstock is separated into a xylene stream, a benzene rich stream and a light ends stream. Two separation zones may be utilized in which liquid from both is sent to a compres...  
WO/2019/046072A1
A process for separating xylenes from a feedstock in which the feedstock is separated into a xylene stream, a benzene rich stream and a light ends stream. Two separation zones may be utilized in which liquid from the first zone sent to a...  
WO/2019/044914A1
The present invention addresses the problem of providing a drug solution purification method with which it is possible to obtain a drug solution exhibiting excellent impairment suppression performance. The present invention also addresse...  

Matches 1 - 50 out of 8,961