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WO/2017/093940A1 |
A process for flushing an oligomerization reactor is described, including flushing the oligomerization reactor with a flushing medium comprising C6 linear alpha olefins, C8 linear alpha olefins, C10 linear alpha olefins, or a combination...
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WO/2017/094806A1 |
A method for producing propylene or an aromatic hydrocarbon, wherein the production method includes a conversion reaction step in which a hydrocarbon raw material including a sulfur compound as an impurity and containing at least one C4-...
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WO/2017/095085A1 |
The present invention relates to a ligand compound, a catalyst system for oligomerizing an olefin, and a method for oligomerizing an olefin using same. A catalyst system for oligomerizing an olefin according to the present invention has ...
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WO/2017/095953A1 |
A fluidized catalyst stripping unit for displacing entrained gas from catalyst particles comprising: a vessel housing a two stage cyclonic separation section which comprises one or more primary cyclonic separation devices and one or more...
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WO/2017/094382A1 |
A method for producing butadiene, comprising a step of supplying a raw material gas containing linear butene and an oxygen-containing gas containing molecule oxygen to a reactor and then carrying out an oxidative dehydrogenation reaction...
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WO/2017/093859A1 |
Processes for converting methane into olefins are presented. Certain exemplary processes can involve use of both oxidative dry reforming of methane to syngas and conversion of the syngas to olefins via Fischer-Tropsch synthesis.
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WO/2017/090751A1 |
Provided are a zeolite catalyst that can maintain a high raw material conversion rate over a long period of time, and a method for stably producing a lower olefin over a long period of time using said zeolite catalyst. According to the p...
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WO/2017/089938A1 |
The presently disclosed subject matter provides methods of producing C2-C3 hydrocarbon feedstock from C4-C10 hydrocarbons. In a non-limiting embodiment, the method can include using hydrogenolysis to convert C4-C10 hydrocarbons to C2-C3 ...
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WO/2017/084493A1 |
Disclosed is a method for removing benzo[α]pyrene from a liposoluble natural extract. The method of the present invention comprises adding a suitable solvent to a crude natural extract product so as to obtain a mixed material; heating t...
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WO/2017/086307A1 |
This acetylene separation method for separating acetylene from raw-material ethylene includes: an acetylene separation step of dissolving the acetylene in the raw-material ethylene in an absorbent, so as to separate the acetylene from th...
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WO/2017/086654A1 |
According to the present invention, a deuterium-substituted marker for fuel is synthesized through substitution with deuterium so as to have structurally and chemically similar properties to those of a molecule configuring fuel oil. A mo...
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WO/2017/081471A2 |
A process for migrating C=C double bonds within an unsaturated organic compound is described. The process involves contacting an unsaturated organic compound starting material with a heteropoly acid catalyst in the presence of light havi...
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WO/2017/081611A1 |
The presently disclosed subject matter provides a method for inhibiting the formation of popcorn polymer in the vapor phase of a butadiene extraction/purification system. In a non-limiting embodiment, a method for inhibiting the formatio...
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WO/2017/081578A1 |
The presently disclosed subject matter relates to methods and systems for purifying 1,3-butadiene from a C4 hydrocarbon stream. An example method includes introducing a C4 hydrocarbon stream including 1,3-butadiene and acetlyenes to an o...
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WO/2017/079629A1 |
A process is presented for the production of butadienes. The process includes the separation of oxygenates from the product stream from an oxidative dehydrogenation reactor. The process includes quenching the product stream and solvent a...
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WO/2017/079509A1 |
Propylene production processes are discussed herein. The propylene production processes may include contacting an olefin feed including butene with ethylene in the presence of a catalyst system including a metathesis catalyst under react...
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WO/2017/077863A1 |
As an isomerization catalyst which enables an efficient isomerization reaction of an olefin even in an environment where oxygen or water is substantially present, while being sufficiently suppressed in catalyst deterioration, the present...
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WO/2017/079633A1 |
The process to recover heat in oxidative dehydrogenation of butene to butadiene is presented. The process utilizes heat recovered in oxidative dehydrogenation of butene to butadiene to generate steam. The process utilizes the circulated ...
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WO/2017/072086A1 |
The invention concerns a process for oxidative dehydrogenation of ethane. In the process an ethane comprising stream is fed to a distillation column to remove propane. The purified ethane stream is subjected to oxidative dehydrogenation ...
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WO/2017/075209A1 |
Methods of converting olefins include the steps of providing propane and isobutane to a dehydrogenation reactor to produce effluent that is sequentially cooled, compressed and passed to a distillation zone under conditions to fractionate...
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WO/2017/073926A1 |
Provided are a diacetylene aqueous ink, a hydrochromic polydiacetylene test paper manufactured using the same, and a use thereof. The aqueous ink contains a diacetylene monomer and a mixed solvent of water and an alcohol. The diacetylene...
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WO/2017/068489A1 |
Systems for purifying 1,3-butadiene are provided. An exemplary system includes a first distillation column, a second distillation column, and interconnections between the first and second distillation columns. A first interconnection can...
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WO/2017/069446A1 |
Disclosed is a method for separating an ethylene oligomerization reactant, the method which, in separation and purification of a product produced from ethylene oligomerization reaction, enables enhancement of energy efficiency by means o...
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WO/2017/069575A1 |
The present invention relates to a ligand compound, a catalyst system for olefin oligomerization, and an olefin oligomerization method using same. The ligand compound according to the present invention has substituents substituted in a t...
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WO/2017/069119A1 |
[Problem] To provide: a catalyst capable of suppressing generation of coke-like substances and improving the long-term stability of a reaction, in a reaction for producing a conjugated diolefin by catalytic oxidative dehydrogenation from...
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WO/2017/064255A1 |
The invention relates to a process for the oxidative coupling of methane to one or more C2+ hydrocarbons which comprises subjecting a gas stream comprising methane, ethylene, optionally ethane and optionally nitrogen, resulting from subj...
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WO/2017/065946A1 |
Disclosed are methods and systems of catalyzing the reaction of alkyl halides to light olefins using a mixed-tempi ated SAPO-34 molecular sieve catalyst prepared from a mixture of tetraethylammonium hydroxide (TEAOH) and one or more of m...
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WO/2017/065944A1 |
Disclosed is a SAPO-34 molecular sieve having platelet morphology with the smallest dimension on the order of a few nanometers. Also disclosed are methods and systems of using said molecular sieve for catalyzing the reaction of alkyl hal...
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WO/2017/055565A1 |
The present invention relates to a catalytic composition built up from a ceramic material comprising a catalytic material and a first and second inorganic binder and a catalytic structure made thereof. Preferably, said structure is made ...
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WO/2017/057452A1 |
The present invention relates to a method and device for manufacturing an α-olefin oligomer by low polymerization reaction of an α-olefin in a liquid phase part in a reactor in the presence of a catalyst, and more particularly relates ...
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WO/2017/054460A1 |
The present invention relates to a method for chlorination and dehydrogenation of ethane, involving mixing and reacting a metal chloride with a low boiling point and C2H6, such that the metal chloride with a low boiling point is reduced ...
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WO/2017/053501A1 |
This present disclosure relates to processes for removing contaminants from hydrocarbon streams, e.g. removing chlorides, CO2, COS, H2S, AsH3, methanol, mercaptans and other S- or O- containing organic compounds from olefins, paraffins, ...
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WO/2017/052190A1 |
The present invention relates to a method for preparing isobutylene by dehydrating tert-butanol. According to the present invention, the method for preparing isobutylene can inhibit the oligomerization of isobutylene and side reactions w...
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WO/2017/053870A1 |
Processes and apparatuses for the production of butadienes are provided. In an embodiment, a process for production of butadienes includes passing a reactor feed stream comprising a hydrocarbon stream comprising butene, a steam stream an...
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WO/2017/052188A1 |
The present invention relates to a method for continuously recovering high-purity isoprene. According to the present invention, the method for continuously recovering isoprene enables the continuous and stable recovery of high-purity iso...
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WO/2017/046701A1 |
A process for deactivation of an olefin oligomerization catalyst is described, including contacting a catalyst composition with a catalyst quenching medium to form a deactivated catalyst composition, and recovering excess catalyst quench...
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WO/2017/046315A1 |
The invention relates to a process of the oxidative dehydrogenation of a C2-6 alkane, comprising subjecting a stream comprising methane and the C2-6 alkane, in which stream the volume ratio of methane to the C2-6 alkane is of from 0.005:...
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WO/2017/044711A1 |
Improved methods of oxidative dehydrogenation (ODH) of short chain alkanes or ethylbenzene to the corresponding olefins, and improved methods of oxidative coupling of methane (OCM) to ethylene and/or ethane, are disclosed. The disclosed ...
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WO/2017/039477A1 |
The invention refers to a method for the pyrolysis of C2-C4 alkanes to produce ethylene, propylene, butylene, hydrogen and unsaturated hydrocarbons, which can be widely used in the chemical and petrochemical industry. Described is a meth...
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WO/2017/037067A1 |
The invention relates to a thermally integrated method for producing butadiene from butanol, which includes at least the following steps: a) dehydrating butanol, which process is supplied by a dehydration supply made up of at least said ...
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WO/2017/037218A1 |
A process for working up a gas mixture comprising butanes, butenes and low boilers, which comprises the steps of: (a) feeding a gas stream (1) comprising butanes, butenes and low boilers, and a solvent stream (9) comprising N-methyl pyrr...
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WO/2017/040165A1 |
A process is presented for the oxidative dehydrogenation of butenes to butadienes. The process includes the use of parallel reactors, wherein the reactors are operated at different pressures. A butene feedstream is split into several por...
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WO/2017/031635A1 |
Disclosed is an iron-based catalyst prepared by using a coprecipitation-melting method. The catalyst comprises the iron element Fe, a metallic element A, and a metallic element B. The metallic element A is selected from at least one of a...
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WO/2017/034842A1 |
Disclosed are methods and systems for converting chloromethane to olefins. A method includes contacting an aluminosilicate catalyst having a chabazite zeolite structure with a feed that includes an alkyl halide and is substantially free ...
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WO/2017/034949A1 |
A method for producing C2 hydrocarbons comprising (a) introducing a reactant mixture to a reactor comprising a catalyst, wherein the reactant mixture comprises CH4/O2 and a heavy diluent, and wherein the reactant mixture is characterized...
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WO/2017/029868A1 |
A method according to the present disclosure is a method for separating an unsaturated hydrocarbon that has 2 to 3 carbon atoms from a halogenated unsaturated carbon compound that is produced by substituting at least one of hydrogen atom...
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WO/2017/021233A1 |
The invention relates to an olefin metathesis method carried out using a catalyst comprising a mesoporous matrix and at least the elements molybdenum and silicon, said elements being incorporated into said matrix by means of at least two...
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WO/2017/021234A1 |
The invention relates to an olefin metathesis method carried out using a catalyst comprising a mesoporous matrix and at least the elements molybdenum and aluminium, said elements being incorporated into said matrix by means of at least o...
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WO/2017/021232A1 |
The invention relates to an olefin metathesis method carried out using a catalyst comprising a mesoporous matrix and at least the elements molybdenum and aluminium, said elements being incorporated into said matrix by means of at least t...
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WO/2017/021235A1 |
The invention relates to an olefin metathesis method carried out using a catalyst comprising a mesoporous matrix and at least the elements molybdenum and silicon, said elements being incorporated into said matrix by means of at least one...
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