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WO/2023/193941A1 |
The present invention relates to a method for the depolymerization of polyethylene terephthalate (PET), in which method PET is reacted with sodium glycolate or potassium glycolate which has been obtained via reactive distillation, to for...
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WO/2023/196469A1 |
In alternative embodiments, provided are processes for producing propylene glycol from glycerol derived from manufacturing biodiesel. Processes as provided herein can reduce color and/or odor from a converted propylene glycol by removing...
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WO/2023/194286A1 |
A methanol plant is provided in which a first feed comprising CO2 and a second feed comprising H2 are provided, the combined feed is shifted in a CO2 shift unit so as to provide a first synthesis gas stream. Water is removed in a water r...
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WO/2023/186840A1 |
A process for producing ethylene glycol from a carbohydrate source by reacting said carbohydrate source with hydrogen in the presence of a catalyst system in a reactor. More specifically, the process uses one or more of ruthenium, pallad...
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WO/2023/190038A1 |
The present invention provides a method for producing a tertiary butyl alcohol, the method comprising (i) a step in which a starting material liquid that contains isobutylene and water is supplied into a reactor that comprises a cation e...
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WO/2023/187226A1 |
The invention relates to a method for the preparation of a cosmetic composition, the method being characterised in that it comprises a step of mixing the volatile mixture of alkanes obtained by a method according to any one of claims 1 t...
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WO/2023/190598A1 |
The purpose of the present invention is to provide a composition in which additive components other than a radical generation source and a radical generation catalyst are stable for a long period of time and do not decompose readily. T...
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WO/2023/182506A1 |
Provided is a method for producing methanol, the method comprising synthesis steps and separation steps. The method has a synthesis loop comprising two synthesis steps and two separation steps, and comprises: a source gas mixing step in ...
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WO/2023/180683A1 |
A method of producing formaldehyde, the method comprising: generating electrolytic hydrogen from the electrolysis of water; providing a feedstock gas stream comprising the electrolytic hydrogen and one or both of carbon monoxide and carb...
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WO/2023/180559A1 |
The invention relates to a photochemical process for selective production of alcohol from CO2 and a hydrogen source, wherein: CO2, a hydrogen source, O2 and a photosensitizer are brought into contact with each other; the photosensitizer ...
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WO/2023/177975A1 |
In one aspect, the disclosure relates to a method for oxidizing alkanes to produce industrially useful solvents and other compounds. In a further aspect, the method includes the steps of contacting an alkane or mixture of alkanes with a ...
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WO/2023/174906A1 |
A process for the production of mono ethylene glycol comprising subjecting an aqueous oxalic acid solution to a hydrogenation reaction in the presence of hydrogen and a metal containing hydrogenation catalyst, wherein the process is a co...
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WO/2023/176572A1 |
This carbon dioxide recovery system comprises: a first distillation column in which an absorption liquid that has absorbed carbon dioxide is heated so as to let carbon dioxide diffuse therefrom; a first reboiler which performs heat trans...
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WO/2023/176641A1 |
A composition containing tricyclodecanedimethanols, said tricyclodecanedimethanols including a chiral compound A of which one mirror isomer is indicated by formula (I), a chiral compound B of which one mirror isomer is indicated by formu...
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WO/2023/170409A1 |
A process for producing a refined 1,4-butanediol stream is disclosed. The process comprises hydrogenolysis of dialkyl succinate in one or more mixed vapour/liquid phase reaction stages to form a crude 1,4-butanediol stream comprising 1,4...
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WO/2023/166438A1 |
Process for producing acetic acid from fossil-type, renewable and/or recoverable organic sources comprising the steps of: a) converting the organic waste source into a mixture comprising syngas, carbon dioxide and water by means of react...
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WO/2023/161884A1 |
The invention relates to an integrated production process of oxo alcohols including 2-ethylhexanol, n-butanol and iso-butanol from natural gas. Production of oxo alcohols requires pure hydrogen for hydrogenation of aldehydes, synthesis g...
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WO/2023/162352A1 |
A reactor module (2) comprises a housing (3) and a plurality of reactors (1) which are disposed around the central axis (AX) in the housing (3). In a cross section along the radial direction perpendicular to the central axis (AX), the sh...
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WO/2023/157835A1 |
A reactor module (15) comprises: a pre-reactor (20); and a membrane reactor (30) which is disposed downstream of the pre-reactor (20) and includes separation membranes (34). The pre-reactor (20) generates an intermediate gas from a raw m...
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WO/2023/158996A1 |
Recycled content monoethylene glycol (r-MEG) is produced using a process and system that applies physical and/or credit-based recycled content from one or more feed materials to the MEG produced from the feed materials. Recycled content ...
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WO/2023/156764A1 |
A process for producing a feedstock chemical. The process comprising hydrogenolysis of a glycolate compound in one or more reactors in the presence of a ruthenium catalyst, wherein the hydrogenolysis is carried out at a glycolate convers...
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WO/2023/157861A1 |
A reactor (1) is equipped with a porous support body (10), a plurality of first cells (11) through which a source gas flows, a plurality of second cells (12) through which a sweep gas flows, a separation membrane (20), and a catalyst (30...
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WO/2023/155279A1 |
The invention provides a production method and an apparatus for converting glycerol into a polyol and co-producing propanol. The method comprises: providing a fixed bed reactor with a catalyst bed layer having a height-to-diameter ratio ...
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WO/2023/153133A1 |
A reactor (1) comprises: a separating membrane (10) allowing water vapor to pass therethrough; an impermeable-side flow channel (30) extending in a substantially vertical direction on an impermeable side of the separating membrane (10); ...
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WO/2023/153053A1 |
In the present invention, a reactor (1) includes second flow paths (12) on the permeation side of a separation membrane (30). The second flow paths (12) include: inlets (d1) that open into a first space (P1) between a first sealing part ...
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WO/2023/153054A1 |
According to the present invention, a reactor (1) has a second channel (12) on the permeation side of a separation membrane (30). The second channel (12) comprises: an inlet (d1) which opens to a first space (P1) between a first sealing ...
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WO/2023/153092A1 |
A separation membrane module (1) comprises: a monolithic reactor (1); a housing (3); a ring-shaped first sealing part (4) for sealing between the housing (3) and a first end portion (1a) of the reactor; and a ring-shaped second sealing p...
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WO/2023/152400A1 |
The invention relates to a method for the coupled production of polyurethanes. Polyurethane can be produced with a reduced CO2 footprint by means of the energetic combination of the polyurethane synthesis with preceding process steps.
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WO/2023/152083A1 |
The present invention relates to a process for preparing an 1,2-alkanediol from the corresponding alkene and hydrogen peroxide which does not require isolation and purification of the intermediate alkene oxide.
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WO/2023/153134A1 |
This reactor (1) comprises a separation membrane (10) that allows water vapor to permeate, a non-permeated-side flow path (30) that is provided on a non-permeated side of the separation membrane (10), and a catalyst (60) that fills the i...
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WO/2023/148605A1 |
A method for heat integration between a chemical synthesis plant that runs an exothermic reaction and (ii) and a partner plant that generates a working fluid such as steam (e.g., runs a power cycle). The present disclosure describes both...
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WO/2023/150656A1 |
A process for the production of glycol from a saccharide-containing feedstock in the presence a catalyst system having a retro-aldol catalyst and a hydrogenation catalyst has a conditioning step for the hydrogenation catalyst. The hydrog...
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WO/2023/142671A1 |
Disclosed in the present application are a Cu-Al-Ni-Co-based catalyst, and a preparation method therefor and the use thereof. The composition of the Cu-Al-Ni-Co-based catalyst of the present application comprises CuO, Al2O3, Co3O4 and Ni...
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WO/2023/139032A1 |
The invention relates to a porous permanently polarized hydroxyapatite having a mean pore diameter from 10 nm to 10.000 nm. Further, the invention relates to a process for obtaining the porous permanently polarized hydroxyapatite, a comp...
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WO/2023/134779A1 |
Provided are a hydrogenation catalyst for preparing isohexanediol and methyl isobutyl carbinol, and a preparation method therefor. In addition, also provided is a method for preparing isohexanediol and methyl isobutyl carbinol. The hydro...
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WO/2023/135302A1 |
The invention relates to a method for synthesizing methanol (1). A synthesis gas flow (2) comprising hydrogen and carbon oxides are supplied to a methanol reactor assembly (3) for synthesizing methanol (1), wherein a residual gas flow (4...
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WO/2023/124396A1 |
The present invention relates to a refinement system for xylitol fermented liquid. The refinement system comprises a fermentation tank, a post-fermentation tank, a ceramic membrane filter, a nanofiltration membrane filter, an activated c...
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WO/2023/125060A1 |
The present application provides a gas-phase aldehyde hydrogenation catalyst, a preparation method therefor and an application thereof. The preparation method comprises the following steps: mixing an aluminum salt, a first zinc salt, a s...
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WO/2023/124395A1 |
The present invention relates to a system for co-producing xylitol and caramel color by using a xylose mother liquor, said system comprising a raw material tank, a filter, a nanofiltration membrane device, a first ion exchange device, a ...
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WO/2023/126186A1 |
Use of a membrane which is permeable to the enantiomers present in a starting racemic or scalemic mixture, for isolating on one side of said membrane a first mixture optically enriched in a first enantiomer and on the other side of the m...
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WO/2023/126310A1 |
The invention relates to a process for the production of methanol from hydrogen and carbon monoxide, both of which are present in gaseous form. For this purpose, hydrogen and carbon monoxide are contacted with a liquid in at least one bu...
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WO/2023/126620A1 |
A method of producing methanol, the method comprising: providing a syngas comprising carbon dioxide, carbon monoxide, hydrogen and sulphur-containing gas; forming a sulphur-depleted syngas by removing at least some of the sulphur-contain...
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WO/2023/120494A1 |
A reactor 1 is provided with a separation membrane (30), a first flow path (11), and a second flow path (12). The first flow path (11) is provided on a non-permeable side of the separation membrane (30), and the second flow path (12) is ...
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WO/2023/117601A1 |
The present invention relates to a method for producing neopentyl glycol pellets, the method comprising at least the following method steps: a) providing a fill of NPG flakes; b) compressing the fill in a mold to form a pellet, the compr...
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WO/2023/116302A1 |
The present invention relates to a method for co-producing erythritol and arabinose from a xylose mother liquor. Xylose is separated by means of first chromatographic separation to obtain an extract solution and a raffinate, the extract ...
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WO/2023/120628A1 |
Provided is an effective method for adjusting a hydrogen/carbon ratio of a synthetic gas serving as a raw material for efficiently and directly manufacturing paraxylene. Provided is a method for manufacturing paraxylene from a synthetic ...
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WO/2023/115843A1 |
Disclosed in the present invention is a method for producing 1,4-butanediol and co-producing succinic anhydride by means of direct hydrogenation of maleic anhydride. Maleic anhydride and hydrogen are used as raw materials to obtain 1,4-b...
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WO/2023/110479A1 |
An integrated plant and a process for the production of methanol from a carbon dioxide and hydrogen, and its start-up, in which an electrical heater or a heat exchanger connected to an electrical heater is used for the provision of therm...
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WO/2023/108799A1 |
A co-production process method for synthesizing methyl propionate and other polyesters and alcohols from methanol and CO, comprising the following steps: subjecting a reducing alcohol obtained by a system and raw material CO to a carbony...
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WO/2023/110526A1 |
Process (100) for the synthesis of methanol (1) comprising the steps of: subjecting a biomass (2) to a gasification process (6) in presence of steam (5) and an oxidant (48); subjecting the so obtained gasifier stream (7) to water gas shi...
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