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WO/2021/198563A1 |
A method for recovering mono-propylene glycol from a mixture comprising bio-derived diols and an organic impurity is disclosed. The method may comprise: (ia) separating the organic impurity from mono-propylene glycol in a first distillat...
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WO/2021/198782A1 |
The invention relates to a process for the production of ethylene glycol from CO2, comprising the steps of : i) Reducing CO2 to CO; ii) Reacting the CO produced in step i) with an amine to form an oxamide or an oxamate or with an alcohol...
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WO/2021/198806A1 |
Method for lowering aldehyde content in a mixture comprising (i) diethylene glycol (DEG) and/or triethylene glycol (TEG) and (ii) aldehyde are disclosed. An ion exchange resin is soaked in monoethylene glycol. The mixture comprising 5 to...
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WO/2021/196340A1 |
The present invention relates to a method for the liquid-solid phase catalytic synthesis of 1-butene-3,4-diol. The method achieves efficient synthesis of 1-butene-3,4-diol by means of a reaction at 50-120°C for 2-10 h at atmospheric pre...
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WO/2021/191249A1 |
The present invention relates to the use of a catalyst made from rhenium oxide supported by cerium oxide, of formula ReOx/CeO2 (I), for catalysing the deoxydehydration of glycerol to allyl alcohol, the reaction being carried out in heter...
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WO/2021/189639A1 |
The present invention relates to an enhanced reaction system and process for propylene hydration catalyzed by an ionic liquid. The system comprises: a reactor, a micro-interface generator, a pre-heating device, etc. In the present invent...
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WO/2021/193572A1 |
This production method for an organic substance comprises: a step in which waste (G0) is supplied to a dryer (13); a step in which the waste (G0) is dried in the dryer (13); a step in which the waste (G0) that was dried in the dryer (13)...
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WO/2021/189638A1 |
The present invention relates to an immersed micro-interface enhanced reaction system and process for propylene hydration, the system comprising a reactor, a first micro-interface generator, a second micro-interface generator and so on. ...
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WO/2021/184597A1 |
A system for treating ethylene oxide-containing sterilization exhaust gas, the system comprises a reaction column (8) further comprising a column body (80), and an inner cavity (82) configured to contain a liquid substrate for catalyzing...
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WO/2021/186459A1 |
An improved process for photocatalytic hydrocarboxylation of methanol with CO2 to produce acetic acid The present invention discloses a photocatalytic process and methodology for the preparation of acetic acid by a hydrocarboxylation rea...
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WO/2021/186658A1 |
Provided is a methanol production system capable of improving thermal efficiency. This methanol production system (100) is characterized by comprising a carbon monoxide production device (3) which produces carbon monoxide from a first fe...
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WO/2021/180717A1 |
The present invention relates to an improved catalyst on the basis of a shaped catalyst body for hydrogenating carbonyl groups in organic compounds under the effect of acids and water, characterized in that the shaped catalyst body conta...
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WO/2021/181084A1 |
A fermentation process for producing a biomass and/or ethanol using a filamentous fungus, for example Fusarium venenatum, is modified to control the concentration of ethanol in the broth, thereby enabling the fermentation process to run ...
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WO/2021/177287A1 |
The present invention addresses the problem of providing a catalyst which exhibits high reusability and is capable of reducing the amount of residual metals in a reaction liquid in a process wherein an optically active reduction product ...
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WO/2021/175864A1 |
The present invention relates to the field of organic synthesis and, more specifically, it concerns a process for preparing compound of formula (I) by a hydroboration-oxidation reaction of compound of formula (II).
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WO/2021/175908A1 |
The invention relates to a process for producing a target compound (6) using an aldehyde, the target compound being an alcohol constituted of the aldehyde or another compound constituted at least partly of the alcohol, and the aldehyde b...
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WO/2021/178277A1 |
Provided is a process for hydrating and oligomerizing a hydrocarbon feed comprising mixed olefins, by contacting the feed with water and a catalyst in a fixed bed reactor, wherein the catalyst hydrates mixed olefins to mixed alcohols and...
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WO/2021/173823A1 |
We have discovered that addition of water to a mixture of oxygenates increases their volatility relative to methanol. A process and apparatus are disclosed for separating methanol from other oxygenates. Water is separated from a stream c...
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WO/2021/170625A1 |
Sequential and once-through (single pass) process for the co-production of methanol and ammonia and conversion of at least a part of ammonia to urea by reaction of the ammonia with carbon dioxide collected from a primary reformer flue ga...
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WO/2021/164099A1 |
Disclosed are a selective hydrogenation catalyst, a preparation method therefor and a use thereof, which belong to the technical field of catalysts. The selective hydrogenation catalyst comprises an active component and a carrier support...
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WO/2021/166485A1 |
A method for producing an alcohol by hydrating an olefin using a heteropolyacid catalyst is provided, in which the catalyst can be stably used over a long period. The method is for producing an alcohol by supplying water and an olefin ha...
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WO/2021/165084A1 |
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/2021/165082A1 |
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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