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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/2023/156438A1 |
There is provided a method for the production of one or more biopolyols from a feedstock, the method comprising: (i) providing a feedstock comprising waste biomass and a glycerol- or glyceride-containing composition; (ii) feeding the fee...
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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/2023/153494A1 |
The present invention addresses the problem of providing a new catalyst for selectively generating formamides from urea-based compounds and urethane-based compounds. The present invention pertains to: a complex having a partial structure...
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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/2023/152083A1 |
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/2023/144482A1 |
The present invention relates to a process for hydrogenating esters in the presence of a manganese catalyst, and to a manganese catalyst that can be used for carrying out said process.
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WO/2023/141211A1 |
Integrated processes are disclosed for the catalytic conversion of carbohydrate to ethylene glycol and/or propylene glycol using a homogeneous, tungsten-containing retro-aldol catalyst. In these processes, the carbohydrate is subjected t...
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WO/2023/139175A1 |
The present invention relates to a system for the synthesis of ammonia, wherein the system comprises at least one reformer for converting a hydrocarbon to hydrogen, wherein the system comprises a converter (50) for converting hydrogen an...
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WO/2023/139179A1 |
The present invention relates to an apparatus for the synthesis of ammonia, wherein at least some of the gases produced on the burner side of the primary reformer are used as reactants.
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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/2023/140165A1 |
According to the present invention, a production method for a polyalcohol involves distillation refining a crude reaction liquid obtained by performing a reduction reaction on a starting material that is a polyaldehyde that has an alicyc...
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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/2023/134776A1 |
Methods for asymmetric cis-dihydroxylation ("AD") of quinones to produce cis-diols of quinones with high yield (i.e. a yield ≥ 30%) and high enantioselectivity (i.e. an enantiometric excess ≥ 30%) are disclosed. The method uses an ir...
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WO/2023/134974A1 |
Process and plant for hydrotreating a liquid oil feedstock stream comprising the steps of i) conducting the liquid oil feedstock stream to a stabilization step by reacting the liquid oil stream with hydrogen in the presence of a catalyst...
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WO/2023/135611A1 |
The present disclosure provides a catalyst for thermochemical reduction of CO2 to methanol, the catalyst comprising: a) Pd in the range of 1 to 2.5% (w/w); and b) a mixed oxide comprising: i) CuO in the range of 55 to 63% (w/w); ZnO in t...
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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/2023/123126A1 |
Disclosed are a nitrogen-containing porous organic polymer composite material and preparation method and application thereof. Specifically, using aluminum trichloride as a catalyst, 2,6-bis (benzimidazole) pyridine and biphenyl are copol...
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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/2023/127533A1 |
The purpose of the present invention is to provide a production method of 2-methyl-5,6-dihydro-2H-pyran, by which a high yield can be achieved even in the case of reacting at a relatively low temperature and in which the adhesion of prec...
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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/2023/111279A1 |
The invention relates to a method for obtaining a main product stream (1) with hydrocarbons from a reactant (3), which reactant (3) comprises at least one substance of the group of alcohols and the group of ethers, for the production of ...
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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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WO/2023/111119A1 |
The present invention relates to an improved process for ethynylating specific α,β-unsaturated ketones for producing tertiary acetylenic alcohols.
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WO/2023/111143A1 |
The invention relates to a process for preparing at least one diester of formula (4), said process comprising: • a) a transformation reaction of the acid function of at least one hydroxycarboxylic acid, or of the ester function of at l...
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WO/2023/112800A1 |
A liquid fuel synthesis system (100) comprises a liquid fuel synthesis unit (110) and a sweep gas supply unit (120). The liquid fuel synthesis unit (110) allows permeation of water vapor, which is one product in a reaction for converting...
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WO/2023/109027A1 |
Disclosed is a method for desalting and purifying a 1,3-propanediol fermentation broth. The method comprises: sequentially subjecting a 1,3-propanediol fermentation broth to filtration, sterilization and concentration to obtain a primary...
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WO/2023/114643A1 |
Processes for producing ethylene-based polymers and oligomers from ethanol include the steps of contacting the ethanol and a catalyst to produce a reaction mixture containing ethylene, wherein a first portion of the ethanol is derived fr...
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WO/2023/104328A1 |
The invention relates to a reactor (200, 300, 400) for catalytically producing secondary methanol products, in particular dimethyl ether, from syngas. The reactor is designed in the form of a tube bundle reactor comprising a tube bundle ...
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WO/2023/105216A1 |
A process for obtaining one or more recovered ruthenium triphos complexes from an organic medium. The process finds use in the manufacture of monoethylene glycol, and comprises the steps of (a) providing an organic medium comprising one ...
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WO/2023/102727A1 |
Disclosed is a method for producing ultra-high purity isopropanol by using a resin purification method. The method comprises: sequentially performing molecular sieve dehydration and reverse osmosis treatments on industrial isopropanol, a...
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WO/2023/107322A1 |
An alcohol mixture includes greater than 90 wt% of a linear tridecanol based on the total weight of the alcohol mixture.
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WO/2023/099650A1 |
The present invention relates to a process for separating 1,3- and 1,4-butanediol from a mixture thereof and a composition of 1,3-butanediol that, through this process, simultaneously achieves a high recovery of 1,4-BDO and an increase i...
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