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WO/2021/165082A1 |
The invention relates to a process for preparing a mixture of alkylene glycols (e.g. ethylene glycol and/or propylene glycol) from a carbohydrate source by catalytic conversion with hydrogen. More specifically, the catalytic hydrogenolys...
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WO/2021/166985A1 |
This system for producing a synthetic article is provided with: a first supply line; a second supply line; a synthesis plant which is configured so as to produce a synthetic article; and a flow rate control device which is configured so ...
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WO/2021/163236A1 |
The present application provides systems and methods for producing isononanol and gasoline and diesel blending components. In at least one embodiment of the present systems and methods, a hydrocarbon feed is cracked in a steam cracker to...
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WO/2021/156870A1 |
Compositions comprising 3-hexen-l-ol are described herein, as well as odor-imparting formulations comprising same and articles-of-manufacturing comprising such compositions or odor-imparting formulations. The compositions comprise trans-...
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WO/2021/156179A1 |
Process and reaction system for the preparation of methanol. The process comprises the steps of (a) providing a fresh methanol synthesis gas containing hydrogen, carbon monoxide and carbon dioxide;(b)) introducing and reacting the fresh ...
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WO/2021/151790A2 |
Proposed is a catalyst system specifically for the rearrangement of epoxides into allyl alcohols comprising or consisting of (a) a salt of formula (I) XY (I) in which X represents Zn2+ and/or Co2+ and Y represents an anion selected from ...
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WO/2021/154143A1 |
The invention concerns a method for treatment of a stream of mixed compounds (4a) obtained from a process (3) comprising decomposition and/or conversion of a wood or pulp material, the method comprising: feeding the stream (4a-4e) throug...
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WO/2021/153422A1 |
Provided is a method for producing a halogenated hydrocarbon magnesium compound, the method including bringing a halogenated hydrocarbon compound into contact with magnesium having a specific surface area of 1×10-5 to 2×10-4m2/g. Also ...
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WO/2021/153848A1 |
According to the present invention, alcohol components among conversion products are separated and permeated in vapor form by using a pervaporation membrane, water components are primarily condensed and separated by using a low-concentra...
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WO/2021/150942A1 |
Syngas is produced by a steam reforming unit with at least one of a bayonet reactor for reforming steam and a hydrocarbon, a recuperative burner, and a regenerative burner such that the steam reforming unit produces little or no steam in...
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WO/2021/148175A1 |
The present invention relates to a method for producing alkali metal alcoholates in counter flow by means of reactive rectification, the alkali metal being selected from sodium and potassium. In a first step, the alcohol is converted in ...
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WO/2021/148262A1 |
A process for preparing methanol from carbon dioxide and hydrogen in a methanol synthesis unit and working up the reaction mixture obtained stepwise to isolate the methanol, wherein the carbon dioxide, carbon monoxide, dimethyl ether and...
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WO/2021/148174A1 |
The present invention relates to a method for producing sodium and potassium alcoholates. The method is characterised in that two simultaneous but spatially separated reactions of an alcohol ROH with NaOH and KOH are carried out to form ...
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WO/2021/142938A1 |
Disclosed is a catalyst suitable for the continuous production of isopentenal or isopentenol. The catalyst is composed of a ceramic corrugated plate carrier and a metal oxide active layer coated on the surface of the carrier, wherein the...
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WO/2021/144499A1 |
A method for producing mono-ethylene glycol (MEG) from a wood-based raw material, and wherein method comprises: i) providing a wood-based feedstock originating from the wood-based raw material and comprising wood chips, wherein at most 5...
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WO/2021/143354A1 |
Provided is a processing method for preparing 3-methyl-3-butenyl-1-ol from formalin solution and isobutene by means of a reactor, the objective of the method being to react a formalin solution and isobutene in a reactor to implement cont...
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WO/2021/140063A1 |
A process for the preparation of ethylene glycol comprising the steps of: a) supplying a first gas composition comprising ethylene oxide and carbon dioxide to an ethylene oxide absorber and allowing the gas composition to pass upwards th...
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WO/2021/140764A1 |
Provided is a method for purifying a non-aqueous solvent, the method characterized by comprising: a pretreatment step for passing a non-aqueous solvent for dehydration treatment through an ion exchange resin-filled layer prior to dehydra...
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WO/2021/140820A1 |
The purpose of the present invention is to provide a method for producing bis(2-hydroxy-2-propyl)benzene, with which clogging of pipework can be prevented and production efficiency can be improved in a step for drying bis(2-hydroxy-2-pro...
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WO/2021/137172A1 |
Systems and methods for producing methanol are disclosed. A synthesis gas stream is split to form a first synthesis gas stream and a second synthesis gas stream. The first synthesis gas stream is fed into a primary methanol synthesis uni...
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WO/2021/138093A2 |
Processes, systems, and apparatus are provided for producing a compressed process gas comprising light olefin such as ethylene. The process utilizes a pyrolysis reactor to produce the process gas. A power generator utilizes a turbine ope...
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WO/2021/129042A1 |
The present invention relates to a carbon material supported nano palladium alloy catalyst modified by calcium carbonate, a preparation method therefor, and the use of the carbon material supported nano palladium alloy catalyst modified ...
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WO/2021/130059A1 |
The present invention relates to the functionalisation of specific 1,3-alpha-dienes (by hydroboration). These functionalized 1,3-alpha-dienes are important intermediates in organic synthesis (especially in the synthesis of carotenoids, v...
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WO/2021/132876A1 |
The present invention relates to a method for producing 1,4-cyclohexanedimethanol (CHDM) and, more particularly, to a method for producing 1,4-cyclohexanedimethanol having a high proportion of trans isomers, without involving an isomeriz...
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WO/2021/132361A1 |
Provided is a method whereby high-purity 1,3-butylene glycol can be manufactured at high yield, the 1,3-butylene glycol having a high potassium permanganate test value, an extremely low content of a low-boiling component, and a high init...
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WO/2021/132354A1 |
Provided is a method that enables the production of high-purity 1,3-butylene glycol, which has a high potassium permanganate test value, yet contains an extremely small amount of low-boiling point components and has a high initial boilin...
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WO/2021/132343A1 |
Provided is a method whereby high-purity 1,3-butylene glycol having a high initial boiling point and an extremely low content of low-boiling components can be manufactured at a high recovery rate. In the present invention, a crude reac...
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WO/2021/133383A1 |
Precious metal promoted CuCoZnMn based catalysts are described. The catalysts consists essentially of copper, cobalt, zinc, manganese, chromium or zirconium or a combination thereof, a noble metal from groups 7, 8, 9, or 10 of the period...
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WO/2021/133138A1 |
The present invention relates to a method for preparation of 1,4-cyclohexanedimethanol (CHDM) and, more specifically, to a method for preparation of 1,4-cyclohexanedimethanol, wherein two-stage hydrogenation and purification steps are ca...
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WO/2021/133136A1 |
The present invention relates to a method for producing 1,4-cyclohexane dicarboxylic acid (CHDA). More specifically, the present invention relates to a method for producing 1,4-cyclohexane dicarboxylic acid with a high proportion of tran...
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WO/2021/133137A1 |
The present invention relates to a method for preparing 1,4-cyclohexanedimethanol (CHDM) and, more specifically, to a method for preparing 1,4-cyclohexanedimethanol having a high trans isomer ratio even without inclusion of an isomerizat...
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WO/2021/130173A1 |
The present invention relates to a combination of specific alcohol and ester and their use as antifoam and/or defoamer. It also concerns compositions comprising it, and methods for reducing foam formation and for breaking a foam.
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WO/2021/132368A1 |
Provided is a method with which it is possible to produce, at a high yield, high-purity 1,3-butylene glycol which has a high potassium permanganate test value, has an extremely low content of low boiling point components and has a high i...
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WO/2021/132342A1 |
Provided is a method with which it is possible to produce, at a high recovery rate, high-purity 1,3-butylene glycol having an extremely low high-boiling-point component content and a low dry point. A method for producing 1,3-butylene g...
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WO/2021/130171A1 |
The present invention relates to the use of specific alcohols as antifoam and/or defoamer. It also concerns compositions comprising it, and methods for destabilizing a foam.
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WO/2021/132360A1 |
Provided is a method whereby 1,3-butylene glycol having a high potassium permanganate test value can be produced. This method for producing 1,3-butylene glycol, whereby purified 1,3-butylene glycol is obtained from a 1,3-butylene glyco...
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WO/2021/132370A1 |
The present invention enables the achievement of a high-purity 1, 3-butylene glycol product which is colorless and odorless (or almost colorless and odorless), while being not susceptible to the occurrence or increase of coloring or odor...
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WO/2021/132340A1 |
Provided is a high purity 1,3-butylene glycol product which is colorless and odorless (or almost colorless and odorless), is unlikely to discolor or generate an odor over time, and in which an increase in acid concentration is unlikely t...
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WO/2021/132369A1 |
Provided is a high-purity 1,3-butylene glycol product which is colorless/odorless (or substantially colorless/odorless), and in which discoloration or odor is not prone to occur over time, and/or is not prone to cause an increase in acid...
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WO/2021/122702A1 |
The invention relates to a method for producing metal alcoholates by means of re-alcoholisation, wherein a low metal alcoholate is fed via a lateral inlet into a reactive distillation column having an enriching section situated above the...
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WO/2021/122853A1 |
A process for the production of a high purity first diol from a product stream comprising two or more C2 to C7 diols, said process comprising the steps of: (i) providing the product stream to a first distillation column; (ii) providing a...
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WO/2021/125989A1 |
Disclosed is a high yield, high selectivity and high conversion method to produce Dimethyl Carbonate (DMC) from carbon dioxide (CO2) and methanol (MeOH) using optimized concentration of ethylene oxide as water scavenger. The method provi...
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WO/2021/126421A1 |
The present invention relates to processes for preparing isoprene and mono-olefins comprising at least six carbon atoms. In one aspect, a process comprises (a) hydroformylating a mixed C4 olefin stream, wherein the mixed C4 olefin stream...
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WO/2021/120133A1 |
Provided is a method for treating production wastewater from the preparation of propylene oxide with a co-oxidation method, wherein the production wastewater includes a first portion of wastewater with a peroxide content of 2000 mg/L or ...
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WO/2021/120839A1 |
Provided by the present invention are a catalyst for the hydrogenation of carbon dioxide to produce methanol and a preparation method therefor. A framework-modified metal organic framework material MIL-101(Cr)-NH2 is used as a carrier, a...
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WO/2021/122584A1 |
The invention relates to a power-to-X system (1) for the utilization of off-gases, comprising an electrolyzer (2) for generating hydrogen H2 and oxygen O2, a unit, connected to the electrolyzer (2), for processing the hydrogen H2 (3), fo...
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WO/2021/125322A1 |
[1] This manufacturing method of Guerbet alcohol involves reacting a raw alcohol with a carbon number 8-22 in the presence of a catalyst (A) that contains the first component, the second component and the third component described below....
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WO/2021/122955A1 |
The invention concerns a method for preparing a mixture containing cyclohexanol and cyclohexanone, comprising the step of hydrogenating cyclohexyl hydroperoxide in cyclohexane in the presence of a Raney nickel catalyst to give cyclohexan...
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WO/2021/122658A1 |
A system for methanol synthesis from a synthesis gas rich in hydrogen and CO2/CO that comprises a first adiabatic reactor (11) with a structure comprising an inlet stream (10), a first catalytic bed (12), one Venturi type mixing element ...
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WO/2021/115813A1 |
The invention relates to an improved process for producing 1,4-butanediol, tetrahydrofuran and gamma-butyrolactone, wherein in the presence of hydrogen in a single reactor having at least two separately consecutive catalyst layers, one o...
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