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WO/2021/137083A1 |
A method for processing pentanes obtained from a DIB unit is disclosed. The process can include separating a first stream containing pentanes obtained from a DIB unit, in a separation column to obtain a second stream comprising iso-penta...
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WO/2021/133272A2 |
The present invention relates to lycopene extraction from the watermelon using surfactants (Span 20 and sucrose monopalmitate) and co-surfactants (glycerol and NaCI).
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WO/2021/124004A1 |
A method of converting one or more alkanes to one or more alkenes that includes providing a first stream containing one or more alkanes and oxygen to an oxidative dehydrogenation reactor; converting at least a portion of the one or more ...
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WO/2021/124008A1 |
Provided are a method of purifying an alpha-olefin and a composition for purifying an alpha-olefin therefor. More specifically, a method of purifying an alpha-olefin having an excellent effect of removing impurities in the alpha-olefin a...
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WO/2021/124219A1 |
The present disclosure provide processes of separating aromatic isomers; liquid-liquid extraction systems and processes; liquid-liquid extraction solvents; cucurbituril macrocycles selective for the extraction of aromatic isomers; relate...
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WO/2021/123950A1 |
Systems and methods for separating a mixture comprising C4 hydrocarbons and a solvent have been disclosed. The mixture is produced as a bottom stream of a rectifier column. The mixture is processed in at least two heating and flash-evapo...
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WO/2021/105038A1 |
The invention relates to a mixture containing (meth)acrylic acid and/or (meth)acrylic acid ester having C1 to C8 alkyl and one or more compounds of the general formula (II) as shelf life- and storage stabilizers.
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WO/2021/104924A1 |
The present invention relates to a method for treating an effluent from an oligomerization step in a vaporization step. In particular, the oligomerization step is a step of dimerizing ethylene to but-1-ene by a nickel-based catalytic sys...
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WO/2021/103460A1 |
Disclosed are a system and a process for the preparation of ethylbenzene by intensified reaction of benzene and ethylene. The system comprises an alkylation reaction unit, a vapor recovery unit, a precipitation unit, a water washing unit...
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WO/2021/104925A1 |
The present invention relates to a method for neutralizing a catalytic composition contained in an effluent from an oligomerization step in a vaporization step. In particular, the oligomerization step is a step of dimerizing ethylene to ...
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WO/2021/101557A1 |
Processes for separating the components in coal derived liquids are described. The coal derived liquid is first separated into polar compounds and non-polar compounds. The polar and non-polar compounds are further separated. Appropriate ...
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WO/2021/099850A1 |
A process is provided for removing a heavy polynuclear aromatic (HPNA) compound from a hydrocarbon oil. The process includes contacting the hydrocarbon oil containing the HPNA compound with a lean hydrocarbon-immiscible liquid stream to ...
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WO/2021/102346A1 |
Systems and processes herein improve the conversion of propylene to ethylene via metathesis. On a mass basis, embodiments herein may be used to convert greater than 40% propylene, on a mass basis, to ethylene, such as 43% to 75%, on a ma...
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WO/2021/102348A1 |
Processes and systems for the conversion of propylene to ethylene may include introducing a propylene feed stream to a C3 metathesis reactor, converting the propylene to ethylene and 2-butene. The metathesis reactor effluent may be recov...
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WO/2021/102351A1 |
A process for producing olefins may include dehydrogenating a first alkane in a first reactor to produce a first effluent comprising at least one of a first n-olefin or a first diolefin; removing the first effluent from the first reactor...
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WO/2021/096886A1 |
Various aspects of this patent document relate to compositions and methods to purify cannabinoids by crystallization in a water-miscible liquid.
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WO/2021/097200A1 |
An alkylation catalyst composition is provided which comprises an acid, an aromatic, and a third component selected from the group consisting of a base capable of forming an ionic liquid with the acid; and an ionic liquid. An alkylation ...
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WO/2021/092306A1 |
A composition having a recycle content value is obtained by reacting a recycle content feedstock to make a recycle content alpha olefin or by deducting from a recycle inventory a recycle content value applied to an alpha olefin compositi...
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WO/2021/087163A1 |
Provided here are systems and methods that integrate a hydrodearylation process and a transalkylation process into an aromatic recovery complex. Various other embodiments may be disclosed and claimed.
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WO/2021/087062A1 |
Processes and systems for making recycle content hydrocarbons, including olefins, using a cracker furnace having enhanced coil design. In some cases, the design of the furnace may prevent coking, so that the run length of the furnace is ...
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WO/2021/087032A1 |
Processes and systems for making recycle content hydrocarbons, including olefins, from recycled waste material. Recycle waste material may be pyrolyzed to form recycle content pyrolysis oil composition (r-pyoil), at least a portion of wh...
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WO/2021/080754A1 |
A process for producing an alkylaromatic compound comprises providing a first feed comprising an alkylatable aromatic compound and a second feed comprising an alkylating agent, wherein at least the first feed contains an impurity compoun...
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WO/2021/073640A1 |
A selective hydrogenation method for an alkyne in a C2 fraction. A hydrogenation material is the C2 fraction from the top of a front deethanizer, and enters a fixed bed reactor and then undergoes gas phase hydrogenation for removing acet...
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WO/2021/073639A1 |
A selective hydrogenation method for an acetylene post-hydrogenation process using crude hydrogen as hydrogen source. Hydrogen used in a hydrogenation reaction is crude hydrogen, the content of H2 is 20 to 50 v/v%, and the content of CO ...
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WO/2021/073641A1 |
An alkyne selective hydrogenation catalyst. A catalyst carrier is aluminum oxide or mainly comprises aluminum oxide, and has a bimodal pore distribution structure; the specific surface area of the catalyst is 20-50 m 2/g; the pore diamet...
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WO/2021/073038A1 |
Disclosed in present invention are an o-hydroxybenzoic acid polyglycol ester compound, and a synthetic preparation method and pharmaceutical use thereof. The o-hydroxybenzoic acid polyglycol ester compound has a structure shown as formul...
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WO/2021/071815A1 |
Systems and processes disclosed may be used to produce a high purity isobutane stream and a high purity 1 -butene stream from mixed C4 streams having disparate starting compositions.
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WO/2021/061780A1 |
A hydrocarbon stabilization apparatus is described herein. The hydrocarbon stabilization apparatus comprises a vessel, a heat source deployed inside the vessel, and a surface area structure located inside the vessel. The surface area str...
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WO/2021/057992A1 |
Provided is a method for producing p-xylene and ethylbenzene from a C8 aromatic hydrocarbon containing ethylbenzene, comprising: sending a C8 aromatic containing ethylbenzene to an ethylbenzene liquid phase adsorption separation apparatu...
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WO/2021/054607A1 |
The present invention relates to a method for decomposing a phenolic by-product and, more specifically, to a method for decomposing a phenolic by-product comprising the steps of: (S10) mixing a mixed by-product stream of a bisphenol-A by...
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WO/2021/054608A1 |
The present invention relates to a method for decomposing phenolic by-products and, more specifically, provides a method for decomposing phenolic by-products, the method comprising the steps of: supplying a phenolic by-product stream to ...
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WO/2021/048657A1 |
Systems and methods for recovering cyclopentadiene and/or isoprene from a mixture comprising C5 hydrocarbons are disclosed. A C5 mixture comprising cyclopentadiene and/or isoprene is flowed into a dimerization unit to form dimers. The di...
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WO/2021/048655A1 |
Systems and methods for producing 1,3 -butadiene from a C4 hydrocarbon mixture are disclosed. The C4 hydrocarbon mixture comprising 1,3 -butadiene, C4 acetylenes, and other C4 hydrocarbons is processed in an extractive distillation colum...
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WO/2021/043560A1 |
The present invention relates to a process of preparing alcohols with at least two C atoms by catalytic reaction of syngas to a mixture that contains alkanes, alkenes and alcohols, alkenes contained in said mixture being reacted to the c...
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WO/2021/043452A1 |
The present invention relates to a method for processing a gaseous composition which has been obtained by catalytic reaction of synthesis gas, wherein this composition contains at least alkenes, optionally alcohols and optionally alkanes...
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WO/2021/041049A1 |
A hydrocarbon separation system comprises a MOF of M2(4,6-dioxido-l,3- enzenedicarboxyiate(m-dobdc)), 1 -butene and 2-butene, wherein the M2 is Co2 or Ni2, and the -butene is selectively adsorbed to the MOF over the 2 -butene.
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WO/2021/039273A1 |
Provided is a method for recovering, by pressure swing adsorption, unreacted olefins from a stream of a chemical reaction process in which an olefin is used as a material, the method enables desorption of gas at a relatively high desorpt...
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WO/2021/033972A1 |
The present invention relates to a process for producing oligomers. Provided are a process and an apparatus for producing oligomers, the process comprising the steps of: supplying a feed stream containing monomers to a reactor so as to c...
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WO/2021/033957A1 |
The present invention relates to a method for preparing an alpha olefin, the method comprising the steps of: supplying a feed stream containing a gas-phase ethylene monomer to a monomer dissolving device to dissolve same in a solvent pro...
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WO/2021/033993A1 |
The present invention relates to an oligomer preparation method, and provides an oligomer preparation method and preparation apparatus, the preparation method comprising the steps of: supplying, to a reactor, a feed stream comprising mon...
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WO/2021/033971A1 |
The present invention relates to an oligomer preparation method and provides an oligomer preparation method and preparation device, the oligomer preparation method comprising the steps of: carrying out an oligomerization reaction by supp...
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WO/2021/029981A1 |
Selective removal of non-aromatic hydrocarbons from a xylene isomerization process for para-xylene production is accomplished using a membrane unit positioned within a xylene recovery loop. The membrane unit may include a one-stage or mu...
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WO/2021/029377A1 |
The present invention provides: a propylene tetramer which is able to be used as a starting material for various olefin derivatives each having a high degree of branching; and a method for producing a propylene tetramer. A propylene te...
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WO/2021/022550A1 |
The polymerization-inhibiting composition comprising or consisting of pyrocatechol (PC) and hydroquinone (HQ), and optionally phenothiazine (PTZ), wherein the weight ratio of PC: HQ is in the range of (0.3-3):1, preferably (0.4-1.6):1. T...
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WO/2021/021394A1 |
A method for reducing fouling in an upgrading reactor that includes upgrading C2 to C4 hydrocarbons within the upgrading reactor in the presence of a fouling inhibitor having a particle size D50 of less than 100 μm and forming linear al...
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WO/2021/015541A1 |
Provided is a method of recovering unreacted ethylene in an ethylene oligomerization process and reusing the ethylene as a raw material, and more particularly, to a method of recovering unreacted ethylene with an increased recovery rate ...
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WO/2021/015898A1 |
Alkyl-demethylation of C2+-hydrocarbyl substituted aromatic hydrocarbons can be utilized to treat one or more of a heavy naphtha reformate stream, a hydrotreated SCN stream, a C8 aromatic hydrocarbon isomerization feed stream, a C9+ arom...
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WO/2021/015901A1 |
Alkyl-demethylation of C2+-hydrocarbyl substituted aromatic hydrocarbons can be utilized to treat one or more of a heavy naphtha reformate stream, a hydrotreated SCN stream, a C8 aromatic hydrocarbon isomerization feed stream, a C9+ arom...
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WO/2021/015900A1 |
Alkyl-demethylation of C2+-hydrocarbyl substituted aromatic hydrocarbons can be utilized to treat one or more of a heavy naphtha reformate stream, a hydrotreated SCN stream, a C8 aromatic hydrocarbon isomerization feed stream, a C9+ arom...
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WO/2021/015945A1 |
An integrated process for maximizing recovery of aromatics is provided. The process comprises passing at least a portion of a xylene column bottoms stream to a heavy aromatics column to provide a heavy aromatics column bottoms stream com...
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