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Matches 1 - 50 out of 8,810

Document Document Title
WO/2018/185629A1
A process for producing natural gasoline. The process includes increasing the n-pentane concentration of debutanized natural gasoline. The process may include a first concentration process that includes distillation and a second concentr...  
WO/2018/185310A1
The invention relates to a method (100, 200) for obtaining one or more olefins, wherein a gas mixture which contains hydrogen, methane, carbon monoxide, and hydrocarbons which boil at a higher temperature than methane is formed using an ...  
WO/2018/185628A1
A method of producing methyl tertiary butyl ether (MTBE) and propylene is disclosed. The method involves the use of a crude C4 stream and the integration of a MTBE synthesis process and a cracking process. The method may include processi...  
WO/2018/185613A1
The present invention relates to an additive composition for controlling and inhibiting polymerization of monomers, wherein the composition comprises a combination of (a) a phenol compound comprising catechol compound with (b1) an alipha...  
WO/2018/177498A1
The invention relates to the extraction of organic compounds from mixtures of said compounds with water, using a nanoporous carbon membrane. The invention can be used in any field where it is desired to separate an organic compound of in...  
WO/2018/175388A1
The invention relates to a system, method and apparatus for removing heavies from natural gas. Natural gas and an external rich reflux gas feed are processed in a single column refluxed absorber. A bottoms stream is routed to a first hea...  
WO/2018/173929A1
Provided is a method for separating hydrocarbon compounds, the method comprising a separation step for supplying mixed fluid that includes two or more hydrocarbon compounds to one surface side of a separation membrane that includes a zeo...  
WO/2018/175405A1
The invention relates to various nonlimiting embodiments that include methods, apparatuses or systems for processing natural gas comprising a heavies removal column processing natural gas and light oil reflux. The overhead stream goes to...  
WO/2018/173676A1
Provided is a method for purifying propylene from a raw material comprising propylene and impurities. In an absorption column 1 having a temperature adjustment function, a first step is carried out in which the raw material is placed in ...  
WO/2018/166961A1
The invention relates to a method for obtaining pure 1,3-butadiene from a raw C4 cut, said 1,3-butadiene having a specified maximum content of at least one low-boiling fraction and a specified maximum content of 1,2-butadiene, in each ca...  
WO/2018/163828A1
This hydrocarbon production method for producing hydrocarbons from a hydrocarbon mixture comprises: a first extractive distillation step for extracting and distilling a substance to be extractively distilled to obtain a fraction (A) that...  
WO/2018/165531A1
A method for reducing the mutagenicity of polycyclic aromatic compounds (PAC's) having one or more bay regions which involves alkylating the PAC's with an alkylating agent in the presence of a catalyst to lower the mutagenicity down to a...  
WO/2018/156731A1
Compositions and methods are described for self-assembled polymer materials having at least one of macro, meso, or micro pores.  
WO/2018/148145A1
A process for producing ethylene comprising: (a) reacting a reactant mixture in a reactor to yield a product mixture, wherein the reactor comprises a catalyst, wherein the reactant mixture comprises ethane, oxygen, and a chlorine interme...  
WO/2018/143041A1
Provided is an isolation and recovery method for isoprene. The method makes it possible to reduce the amount of polymers of isoprene generated when isoprene is isolated and recovered from a mixed fluid that includes isoprene. According t...  
WO/2018/143042A1
Provided is an isolation and recovery method for 1,3-butadiene. The method makes it possible to reduce the amount of polymers of 1,3-butadiene generated when 1,3-butadiene is isolated and recovered from a mixed fluid that includes 1,3-bu...  
WO/2018/144740A1
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/2018/138100A1
The invention relates to a method for obtaining pure 1,3-butadiene from a raw C4 cut by extractive distillation with a selective solvent, wherein (a) the raw C4 cut is introduced into a predistillation column, a first low-boiling fractio...  
WO/2018/132884A1
The present invention relates to a process comprising the following steps: controlled pressurization according to the type of gaseous compound to be treated; controlled cooling of the pressurized gaseous compound according to its composi...  
WO/2018/135712A2
The present invention relates to a method for dehydrogenating alkane, the method comprising: a step for dehydrogenating propane by supplying hydrogen, steam, and a supply gas stream including a hydrocarbon to be dehydrogenated to a dehyd...  
WO/2018/135712A3
The present invention relates to a method for dehydrogenating alkane, the method comprising: a step for dehydrogenating propane by supplying hydrogen, steam, and a supply gas stream including a hydrocarbon to be dehydrogenated to a dehyd...  
WO/2018/136628A1
A method for continuously removing a vapor, which would be considered an impurity, from a carrier gas is disclosed. Preferably, the vapor is either water vapor or carbon dioxide vapor. This method includes, first, causing direct contact ...  
WO/2018/128681A1
Provided herein are methods of reducing phosphorus content of a liquid hydrocarbon. The liquid hydrocarbon may be contacted with a catalyst that includes copper (II) oxide to produce a low-phosphorus liquid hydrocarbon.  
WO/2018/125359A1
Systems and processes for heat recovery associated with the separation of hydrocarbon components. Two compressors are used to compress a portion of an overhead vapor stream from a fractionation column. A pressure of the liquid portion of...  
WO/2018/124575A1
The present invention relates to a method and an apparatus for producing butadiene. According to the present invention, since butane is used as a diluent gas, there is an effect of providing a method and an apparatus for producing butadi...  
WO/2018/124580A1
The present invention relates to a method for producing butadiene and an apparatus for producing the same. According to the present invention, a C4 mixture and a gas product can be easily separated by cooling and condensation by using bu...  
WO/2018/124579A1
The present invention relates to a butadiene preparation method and preparation apparatus. According to the present invention, there is an effect of providing a butadiene preparation method and preparation apparatus, which use butane as ...  
WO/2018/118623A1
Processes for separating methane from a gas mixture that comprises methane and C2 gas, including C2+ gas, and other gases, including CO2 and H2S, that are based upon formation of gas hydrates, and systems useful for implementing such pro...  
WO/2018/118557A3
Processes and apparatuses for producing para-xylenes are provided. The processes comprises providing a reformate stream comprising aromatic hydrocarbons to a reformate splitter to provide a reformate bottoms stream and a reformate overhe...  
WO/2018/116183A1
A method of column control includes: passing a feed stream and a make-up stream through a column; withdrawing an overhead fraction from the column; purging at least a portion of the overhead fraction; cooling at least a portion of the ov...  
WO/2018/118612A1
Processes for separating carbon dioxide from a gas mixture that comprises CO2 and N2 that are based upon formation of gas hydrates, and systems useful for implementing such processes, are disclosed.  
WO/2018/116181A1
A method of separating linear alpha olefins includes: passing a feed stream comprising linear alpha olefins through a first column; distributing a C10- fraction to a top portion of the first column; distributing a C12+ fraction to a bott...  
WO/2018/116081A1
Certain embodiments are directed to an integrated process for the production of Maleic Anhydride (MAN), 1,4 Butanediol (BDO), Gamma-ButyroLactone (GBL), and PolyButylene Terephthalate (PBT) utilizing NC4 rich stream from a recycle stream...  
WO/2018/118557A2
Processes and apparatuses for producing para-xylenes are provided. The processes comprises providing a reformate stream comprising aromatic hydrocarbons to a reformate splitter to provide a reformate bottoms stream and a reformate overhe...  
WO/2018/116177A1
A method of separating linear alpha olefins includes: passing a feed stream comprising linear alpha olefins through a first column; distributing a C8- fraction to a top portion of the first column; distributing a C9+ fraction to a bottom...  
WO/2018/118422A1
A method of recovering C2+ or C3+ hydrocarbons and/or producing sales gas from a natural gas feed gas, the method comprising routing the feed gas at a pressure P1 over an adsorbent bed to adsorb water to provide a dry natural gas stream ...  
WO/2018/116174A1
A method of separating linear alpha olefins, comprising: passing a feed stream comprising linear alpha olefins through a first column; distributing a C4- fraction to a top portion of the first column; withdrawing a C6+ fraction from a bo...  
WO/2018/108066A1
A process for separating and recycling refinery dry gas. At least a one-stage pressure swing adsorption unit is provided; at least two adsorption beds filled with an adsorbent are disposed in the one-stage pressure swing adsorption unit;...  
WO/2018/111535A1
A process for component separation in a polymer production system, comprising: separating a polymerization product stream into a gas stream and a polymer stream; contacting the polymer stream with a purge gas to yield a purged polymer st...  
WO/2018/106357A1
A process for producing paraxylene by the catalytic alkylation of benzene and/or toluene with methanol. In prior art processes, water is typically co-injected with the methanol to improve the utilization of methanol, increase the amount ...  
WO/2018/103248A1
A system used to recycle exhaust gas during olefin polymer production, comprising: a compression cooling mechanism (101); a hydrocarbon membrane separation mechanism (102) and a hydrogen membrane separation mechanism (103), both connecte...  
WO/2018/104056A1
In a process for hydrotreatment of a gas stream containing both olefins and diolefins as well as organic sulfur compounds, the gas stream is introduced into a pre-treatment reactor, where diolefins are reacted with hydrogen in the presen...  
WO/2018/095776A1
The invention relates to a method for producing butadiene from n-butenes, comprising the following steps: A) providing a feed gas flow a containing n-butenes; B) feeding the feed gas flow a containing n-butenes and feeding a gas containi...  
WO/2018/094466A1
A particulate material for removing an acid gas and/or mercury contaminant from a hydrocarbon gas is disclosed. The particulate material comprises a superabsorbent hydrogel comprising a cross-linked hydrophilic polymer network having fro...  
WO/2018/095840A1
The invention relates to a method for producing butadiene from n-butenes, having the following steps: A) providing a feed gas flow a containing n-butenes; B) feeding the feed gas flow a containing n-butenes and feeding a gas containing o...  
WO/2018/095856A1
The invention relates to a method for preparing butadiene from n-butenes, comprising the steps of: A) providing an input gas stream a containing n-butenes; B) feeding the input gas stream a comprising n-butenes and a gas containing oxyge...  
WO/2018/092803A1
A method for producing an α-olefin oligomer, which comprises a process wherein: an α-olefin oligomer mixture is produced by performing an oligomerization reaction of an α-olefin; subsequently, a distillation residue containing α-olef...  
WO/2018/094327A1
Process scheme configurations are disclosed that enable conversion of crude oil feeds with several processing units in an integrated manner into petrochemicals. The designs utilize minimum capital expenditures to prepare suitable feedsto...  
WO/2018/092910A1
The purpose of the present invention is to provide a method for treating an unsaturated hydrocarbon, the method being capable of effectively treating the unsaturated hydrocarbon for a long period of time. This method for treating unsatur...  
WO/2018/093487A1
A novel high flux, cross-linked, fumed silica reinforced polyorganosiloxane thin film composite (TFC) membrane comprising a selective layer of a high flux, cross-linked, fumed silica reinforced polyorganosiloxane polymer supported by a p...  

Matches 1 - 50 out of 8,810