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Matches 1 - 50 out of 6,817

Document Document Title
WO/2022/161869A1
The invention relates to a process for removing butenes from C4-hydrocarbon streams that contain butanes in addition to butenes, by extractive distillation with a suitable solvent. The process according to the invention is characterized ...  
WO/2022/161864A1
The invention relates to a method for separating butenes from C4 hydrocarbon streams containing butanes as well as butenes by means of extractive distillation with a suitable solvent. The method according to the invention is characterise...  
WO/2022/161875A1
The invention relates to a process for removing butenes from C4-hydrocarbon streams that contain butanes in addition to butenes, by extractive distillation with a suitable solvent. The process according to the invention is characterized ...  
WO/2022/161871A1
The invention relates to a method for separating butenes from C4 hydrocarbon streams containing butanes as well as butenes by means of extractive distillation with a suitable solvent, and a subsequent adiabatic oligomerisation. The metho...  
WO/2022/161874A1
The invention relates to a process for removing butenes from C4-hydrocarbon streams that contain butanes in addition to butenes, by extractive distillation with a suitable solvent. The process according to the invention is characterized ...  
WO/2022/158937A1
The present invention relates to a method for chlorinating an aromatic compound and, more specifically, to a method for chlorinating an aromatic compound to prevent the phenomenon of decreased responsiveness due to foam generation, and t...  
WO/2022/152749A1
The present invention refers to a method, system and plant for the reduction of energy consumption, preferably a green methanol plant. The present invention provides for a reduced overall energy consumption of the green plant - re-use of...  
WO/2022/154398A1
The present invention relates to a method for preparing an oligomer, comprising the steps of: supplying a monomer stream and a solvent stream to a reactor to prepare a reaction product through an oligomerization reaction; supplying a dis...  
WO/2022/154480A1
The present invention relates to an additive for a dehydration reaction of 1-alcohol and to a method for preparing 1-olefin using same and, more specifically, to: an additive for a dehydration reaction of 1-alcohol which can suppress sid...  
WO/2022/144208A1
A method for purifying 1-hexene is disclosed. The method can include contacting a first stream containing 1-hexene and 2-ethyl-1-butene with an isomerization catalyst containing an comprising an alumina, silica-alumina, a zeolite, or an ...  
WO/2022/147187A1
Some variations provide a pressure vessel comprising: a chamber for processing a material under a chamber pressure up to 5000 bar; an end cap disposed at one end of the pressure chamber; an interior seal plate disposed between the end ca...  
WO/2022/139117A1
A method for producing alpha-methylstyrene according to an embodiment of the present application comprises a step of producing alpha-methylstyrene by dehydration of a dimethylbenzyl alcohol solution under an acid catalyst in a reactor, w...  
WO/2022/140088A1
Disclosed in certain embodiments are processes for heavy hydrocarbon removal that implement a regeneration loop to reduce an amount of liquid hydrocarbons exposed by the separator to the regeneration stream over one or more durations for...  
WO/2022/140749A1
The present disclosure relates to methods and systems for decarboxylation of amino acids. In particular, such methods and systems can employ an organocatalyst to provide favorable reaction conditions.  
WO/2022/135944A2
The present invention relates to a method for capturing siliceous compounds in a gaseous or liquid feedstock, comprising bringing the feedstock into contact with a capture mass with a liquid hourly space velocity (LHSV) of less than 5 h ...  
WO/2022/129361A1
A broad aspect of the present disclosure relates to a process for hydroprocessing of a hydrocarbonaceous feedstock stream comprising the steps ofdirecting said hydrocarbonaceous feedstock stream to contact a material catalytically 5activ...  
WO/2022/132602A1
Disclosed in certain embodiments are processes for heavy hydrocarbon removal that implement a regeneration loop that introduces an absorbent into a regeneration gas stream, and systems for implementing the same.  
WO/2022/124863A1
The present invention relates to a method for recovering and reusing a selective homogeneous hydrogenation catalyst. The present invention relates to a method in which cyclododecene is synthesized through selective hydrogenation from a f...  
WO/2022/126082A1
A method for separating classes of hydrocarbon compounds from a feed stream including a hydrocarbon mixture is disclosed. The method includes the steps of passing a feed stream through a plurality of separation units arranged in a series...  
WO/2022/122459A1
Disclosed is a method for the selective hydrogenation of a C2 steam-cracking fraction comprising acetylene, in the presence of a catalyst comprising an active phase made from at least one group VIII metal and a support in the form of a c...  
WO/2022/101834A1
The present invention and embodiments thereof provide a process to separate ethylene products from impurities such as nitrogen, hydrogen, ethane, propane and isobutane without the need for distillation processes.  
WO/2022/090549A1
The present invention is related to a fermentative production of retinoids, including retinol or retinyl acetate, comprising cultivation of a retinoid- producing host cell, such as fungal host cell, particularly oleaginous host such as e...  
WO/2022/094084A1
A process for the selective dimerization and etherification of isoolefins. The process including feeding a mixed C5 stream to a selective hydrogenation unit to convert dienes to olefins and isoolefins, producing a hydrogenated effluent s...  
WO/2022/094458A1
Systems and methods for the production of a high purity isoamylene product. The isoamylene in a mixed hydrocarbon stream may initially be converted to TAME via etherification, and a subsequent decomposition of the TAME may result in a hi...  
WO/2022/092794A1
The present invention provides a continuous preparation method for cyclododecatriene and a cyclododecatriene composition prepared thereby, wherein in the method, a reaction composition is prepared by mixing butadiene, a main catalyst, a ...  
WO/2022/087755A1
A system for recovering methane from a biogas comprises a pressure swing adsorption (PSA) unit, a biogas inlet, a gas mixer and a surge tank. The PSA unit recovers methane from the biogas and directs one fraction of the recovered methane...  
WO/2022/087010A1
A method for improving the efficiency of liquefied natural gas (LNG) liquefaction including receiving a gas feed stream at an LNG facility, condensing the gas feed stream into an LNG product stream, removing nitrogen from the LNG product...  
WO/2022/078370A1
Disclosed are a method and system for treating a hydrocarbon-containing mixture. The method comprises the following steps: I) separating the hydrocarbon-containing mixture into a light component and a heavy component; II) reacting the li...  
WO/2022/078362A1
A meta-xylene adsorbate, comprising 94-99.9 wt% of Y molecular sieve and 0.1-6 wt% of matrix. The Y molecular sieve consists of a non-crystal transformed Y molecular sieve and a Y molecular sieve generated by crystal transformation. The ...  
WO/2022/077562A1
Provided are a metal-organic framework material separation membrane and a method for preparing a metal-organic framework material separation membrane. The metal-organic framework material separation membrane comprises a base membrane and...  
WO/2022/077314A1
An energy-saving process and apparatus for recovering C2 from refinery dry gas. The procedure of the process comprises: cooling dry gas, and then delivering same to a multistage absorption tower for treatment; delivering a gas phase of t...  
WO/2022/079057A1
The invention relates to a process for the recovery of aliphatic hydrocarbons from a liquid stream comprising aliphatic hydrocarbons, heteroatom containing organic compounds and optionally aromatic hydrocarbons, involving a) liquid-liqui...  
WO/2022/079046A1
The invention relates to a process for the recovery of aliphatic hydrocarbons from a liquid stream comprising aliphatic hydrocarbons, heteroatom containing organic compounds and optionally aromatic hydrocarbons, involving (i) membrane se...  
WO/2022/079060A1
The invention relates to a process for the recovery of aliphatic hydrocarbons from a liquid stream comprising aliphatic hydrocarbons, heteroatom containing organic compounds and optionally aromatic hydrocarbons, involving a) liquid-liqui...  
WO/2022/075336A1
[Problem] There is demand for devices that synthesize methane from hydrogen and carbon dioxide gas but can remove reaction heat and further reduce the progress and temperature of the reaction to improve percent conversion to methane. [So...  
WO/2022/074591A1
A chemical complex to perform oxidative dehydrogenation of C2-C4 alkanes, to C2-C4 alkenes, the chemical complex involving at least one oxidative dehydrogenation reactor containing one or more mixed metal oxide catalysts and designed to ...  
WO/2022/069479A1
The present invention relates to a method for preparing a purified styrene composition, wherein the method comprises the following steps: a) providing a crude hydrocarbon composition containing styrene, b) subjecting the crude hydrocarbo...  
WO/2022/065645A1
The present invention relates to an apparatus for preparing oligomer. More specifically, provided is an apparatus for preparing oligomer comprising: a reactor including a vapor-phase region that has a first vapor-phase reactant inlet pro...  
WO/2022/063259A1
The present invention relates to an adsorbent composition, and a preparation method therefor and an application thereof. The adsorbent composition in the present invention comprises a molecular sieve, hydrated alumina, and alumina. The a...  
WO/2022/060737A1
Disclosed herein is a process for upgrading a raffinate butene (C4 Raffinate) stream to propylene which can produce polymer grade propylene (PGP) by a metathesis process, without consuming fresh ethylene as a feedstock. By recycling ethy...  
WO/2022/060108A1
The present invention relates to a ligand compound, an organic chromium compound, a catalyst system comprising the organic chromium compound, and a method of oligomerization of ethylene, using same.  
WO/2022/052069A1
Disclosed in the present application are an adsorbent and an application thereof, the adsorbent being selected from organic metal framework material MIL-125. The external specific surface area of the organic metal framework material MIL-...  
WO/2022/053885A1
The present invention, and embodiments thereof, provide a process to separate ethylene products from impurities such as nitrogen, hydrogen, ethane, propane and isobutane without the need for distillation processes.  
WO/2022/050788A1
The present invention relates to a method for preparing an oligomer, the method comprising the steps of: supplying a monomer stream and a solvent stream to a reactor to prepare a reaction product through an oligomerization reaction; supp...  
WO/2022/042278A1
Methods and compositions are described to prevent or reduce fouling associated with aldol polymerization associated with caustic towers in coal to olefins or methanol to olefins processes. A method is provided that includes adding an ami...  
WO/2022/043789A1
The present invention and embodiments thereof provide a process to separate ethylene products from impurities such as nitrogen, hydrogen, ethane, propane and isobutane without the need for distillation processes.  
WO/2022/042508A1
A composite adsorbent for separating ethylbenzene from C8 aromatic hydrocarbons by means of adsorptive rectification, comprising 1-50 mass% of a xylene adsorbent and 50-99 mass% of a carrier liquid, wherein the carrier liquid is one or t...  
WO/2022/043788A1
The present invention describes a process to separate ethylene products from impurities such as nitrogen, hydrogen, ethane, propane and isobutane without the need for distillation processes.  
WO/2022/040000A1
A process for supplying deaerated water to a chemical plant that includes a distillation column for separating a reaction effluent comprising water and a product. The process includes inventorying the distillation column with aerated wat...  
WO/2022/029108A1
The invention relates to a process for the production of ethylene in an integrated configuration comprising (i) a steam cracker configuration which comprises a steam cracker unit, a water condensation unit and a carbon dioxide removal un...  

Matches 1 - 50 out of 6,817