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33 results about "Alcohol products" patented technology

A process for preparing a product from a carbon-containing gas stream by microorganisms provided on a plurality of trays

The present invention provides a process and apparatus for producing an alcohol product stream from a gas fermentation process. A feed gas stream comprising hydrogen and a carbon oxide is subjected to fermentation to convert at least a portion of the feed gas stream to an alcohol. Fermentation is conducted in a reactor having a plurality of trays.
Owner:SHELL USA INC +1

Methods for producing higher alcohols from waste plastic pyrolysis oil and the higher alcohols obtained therefrom

ActiveUS12637397B2Preparation by oxo-reaction and reductionHydroxy group formation/introductionPtru catalystDistillation
A method for producing a higher alcohol from a waste plastic feedstock is disclosed, comprising: (a) providing a hydrocarbon feed stream comprising a pyrolysis oil feed obtained from pyrolysis of plastic waste, wherein the pyrolysis oil comprises at least 20 wt % higher olefins with a carbon number in the range C5-C20, based on its total hydrocarbon content; (b) contacting the hydrocarbon feed stream with synthesis gas under hydroformylation conditions in the presence of a hydroformylation catalyst and recovering a hydroformylation product; (c) subjecting the hydroformylation product to hydrogenation and / or a distillation to recover a higher alcohol product.
Owner:EXXONMOBIL CHEMICAL PATENTS INC

A copper-based catalyst, its preparation method, and a method for synthesizing polyols from CO2 / CO

PendingCN122629515APtru catalystPolyol
The application belongs to the technical field of catalysts, and particularly relates to a copper-based catalyst, a preparation method thereof and a method for synthesizing polycarbon alcohol from CO2 / CO. The preparation method of the copper-based catalyst provided by the application comprises the following steps: loading a copper nanoparticle solution into a high-pressure reaction kettle with a stirring rotor, first performing gas washing treatment by using high-purity CO gas, then filling CO, sealing the high-pressure kettle and transferring the high-pressure kettle to a heating container, performing reaction under stirring and heat preservation, performing pressure relief to normal pressure after the reaction, and performing centrifugal separation and drying treatment to obtain copper nanobands. The method adopts CO to assist in growing the copper-based catalyst, and widens the catalyst system for synthesizing polycarbon alcohol products.
Owner:HUANENG CLEAN ENERGY RES INST

A device and process for switchable production of fine methyl acetate or acetic acid and methanol products

The application discloses a device capable of switching production of refined methyl acetate or acetate and methyl alcohol products, which comprises a fourth rectifying tower capable of switching for separating an aqueous solution of acetate or for rectifying and extracting crude methyl acetate, an eighth rectifying tower capable of switching for removing low-boiling impurities or for evaporating and purifying an extractant and a first rectifying tower capable of switching for extractive rectification of methyl acetate or for removing light components; the fourth rectifying tower is connected with the first rectifying tower, a fifth rectifying tower for refining acetate and a decomposition tower for hydrolyzing methyl acetate respectively; the first rectifying tower is connected with a second rectifying tower for purifying methyl alcohol and a third rectifying tower for removing light components again respectively, and the third rectifying tower is connected with a seventh rectifying tower for removing light components for the third time. The device has two functions, i.e. production of acetate, methyl alcohol and refined methyl acetate can be adjusted in time according to market conditions.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Biological resourceful treatment method and system for brine discharge wastewater of retired lithium battery

The invention relates to a biological resourceful treatment method and system for decommissioned lithium battery brine discharge wastewater, and the method comprises the following steps: (1) dividing the pretreated decommissioned lithium battery brine discharge wastewater into a first part of wastewater and a second part of wastewater, inoculating the first part of wastewater with a pre-domesticated salt-tolerant functional flora, hydrolyzing and fermenting organic components to generate fermentation liquor containing short-chain carboxylic acid; and (2) mixing the fermentation liquor with a second part of wastewater, and carrying out carbon chain extension reaction to generate treatment liquor containing medium-chain carboxylic acid and long-chain alcohol products. According to the method, the special pollutant composition and the high-salt characteristic of the discharge wastewater are utilized, the methanogenesis process is inhibited without using expensive chemical agents or treating inoculums at a high temperature and the like, electron donors such as ethanol or lactic acid and the like do not need to be additionally added, the agent or energy consumption cost in the process is greatly reduced while the organic pollutants in the wastewater are subjected to high-value conversion, and the method is suitable for industrial production. The method has the remarkable advantages of simple operation, green process, low cost and the like.
Owner:INSTITUTE OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES

Method for treating mto concentrate water

PendingCN122647037AAlcohol contentFluid phase
The present application relates to a kind of MTO concentrated water processing method, the processing device relied on includes circulating liquid phase hydrogenation unit and dehydration unit, and MTO concentrated water is converted into mixed alcohol by circulating liquid phase hydrogenation in aldehyde, ketone component in it, again by flash evaporation degassing, azeotropic rectification and zeolite membrane dehydration treatment, water in mixed alcohol is mostly removed, obtain low water content (about 2wt%) mixed alcohol product and low alcohol content (<0.2wt%) waste water, the technical index of obtained mixed alcohol product is higher than national standard "alcohol-based liquid fuel GB16663-1996", and further separation can obtain ethanol, isopropanol and 2-butanol product, the processing method of the present application not only solves the problem of MTO concentrated water processing, but also improves its added value, to the purpose of quality improvement and efficiency.
Owner:HEFEI JIANGXIN CHEM SCI& TECH CO LTD

A system and method for repairing alcohol compositions, and repaired alcohol products.

PendingJP2026086670AFermented solutions distillation/rectificationBy-product recoveryEthyl acetateAlcohol products
The present invention provides a system and method for removing ethyl acetate from an alcohol composition. [Solution] A system for removing ethyl acetate from an alcohol composition is provided, comprising: a pressure tank 25 defining a pressure-controllable chamber; a liquid inlet port 30 fluidly communicating with the pressure-controllable chamber and configured to receive a certain amount of alcohol composition in the pressure-controllable chamber; a gas outlet port fluidly communicating with the pressure-controllable chamber; a vacuum pump fluidly communicating with the gas outlet port; and a controller configured to operate the vacuum pump to establish a partial pressure in the pressure-controllable chamber for a selected time, and to preferentially remove ethyl acetate from the alcohol composition relative to other homologs in the homologous group to obtain a purified alcohol composition.
Owner:TRUE ESSENCE FOODS INC

Continuous extractive distillation separation method of p-xylene-propanol azeotropic mixture

The invention provides a continuous extractive distillation separation method of a p-xylene-propanol azeotropic mixture, and belongs to the technical field of separation. According to the method disclosed by the invention, any two of dibutyl phthalate, N-methyl pyrrolidone and sulfolane are used as extracting agents. The method comprises the following steps: adding a mixed raw material solution of p-xylene and propanol into an extraction tower, then adding an extraction agent, carrying out extractive distillation, extracting a propanol product from the top of the tower, introducing an extraction tower bottom product containing the extraction agent and p-xylene into a solvent recovery tower, and after distillation, extracting a p-xylene product from the top of the tower and discharging the extraction agent from the bottom of the solvent recovery tower; and introducing the extraction agent into the extraction tower for cyclic utilization. The method provided by the invention realizes the separation of the p-xylene-propanol azeotropic mixture, has high separation efficiency, is easy to regenerate and is environment-friendly, and the mass fraction of p-xylene in the separated propanol can be greater than or equal to 99.9%.
Owner:SINOMA INT ENVIRONMENTAL ENG (BEIJING) CO LTD

Preparation method of 2-(3-isopropyl phenyl) propane-2-alcohol

The invention provides a novel preparation method of 2-(3-isopropyl phenyl) propane-2-alcohol, which comprises the following steps: reacting m-diisopropylbenzene, air and alkali liquor to obtain an oxidation reaction solution, reducing the oxidation reaction solution, and then washing, rectifying and de-weighting to obtain a 2-(3-isopropyl phenyl) propane-2-alcohol product. The method has the advantages of convenience, rapidness, high selectivity and high practical value.
Owner:WANHUA CHEM GRP CO LTD

Dihydric alcohol production method

The invention belongs to the field of fine chemical engineering, and particularly relates to a production method of dihydric alcohol, which comprises the following steps: a) olefin, hydrogen peroxide, a titanium silicalite molecular sieve catalyst and a solvent form a uniform system through a static mixer, then the uniform system is sent to a dynamic tubular reactor for epoxidation reaction, and a reaction product is subjected to liquid-solid separation, a liquid phase obtained through separation is sent to a first rectifying tower; b) separating light and heavy components from the liquid phase through a first rectifying tower, and sending the separated heavy components to a microreactor; and c) carrying out hydrolysis reaction on the heavy components in the microreactor, and carrying out second rectification on the reacted material to separate light and heavy components, thereby obtaining a heavy component, namely a dihydric alcohol product. According to the method provided by the invention, a static mixer and continuous equipment are adopted, so that the mixing and dissolving effect of raw materials is enhanced, introduction of formic acid is avoided, and the problem of introduction of impurities is solved from the source; and meanwhile, the method does not adopt an acid / alkali catalyst, so that the introduction of sensitizers is avoided, the process flow is shortened, and the production efficiency is improved.
Owner:SHANDONG CHAMBROAD PETROCHEMICALS CO LTD

A method for preparing a syngas-to-high alcohol catalyst with a hierarchical structure and the reaction

This invention provides a method for preparing a syngas-to-higher alcohols catalyst with a hierarchical pore structure. The preparation method includes: loading an aqueous precursor of the active component ruthenium onto a porous oxide support, and drying it to obtain a catalyst powder precursor; mixing the catalyst powder precursor with a binder, an extrusion aid, PMMA microsphere powder, and water, and mechanically kneading it to form a plastic slurry; extruding the plastic slurry into a wet catalyst preform; drying the wet catalyst preform and calcining it to obtain a shaped Ru-based catalyst with a two-level pore structure of macropores and mesopores. The catalyst prepared by this method achieves a total alcohol selectivity of over 40% in the one-step synthesis of higher alcohols from syngas, and C... 6+ The selectivity of higher alcohols in the total alcohol products reaches over 60%, while maintaining a high CO conversion rate.
Owner:SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI +1

Cascade system and method for preparing alcohol by converting alkane through photoelectrocatalysis and application

The invention relates to a system and method for preparing alcohol through cascade photoelectrocatalysis alkane conversion and application, the system comprises an electro-catalysis reaction tank and a photocatalytic reaction tank, the electro-catalysis reaction tank is sequentially connected with a pump, a three-way valve and the photocatalytic reaction tank through pipelines, and a halogen elementary substance electrolyte generated by the electro-catalysis reaction tank is conveyed to the three-way valve through a peristaltic pump; the preparation method comprises the following steps: mixing a cathode electrolyte with alkane gas, introducing the mixture into a photocatalytic reaction tank, carrying out light source excitation catalytic reaction in the photocatalytic reaction tank, carrying out gas-liquid separation on the obtained mixture, mixing the obtained mixed gas with the cathode electrolyte after the reaction in the electro-catalytic reaction tank, introducing the obtained mixture into a microreactor, and heating to obtain an alcohol product. Compared with the prior art, the method provided by the invention has excellent alcohol selectivity and production efficiency, and is a more efficient and stable reaction system compared with the currently reported electro-catalysis or photocatalysis technology.
Owner:李俊

Method for extracting alcohol from by-products obtained after garlic oil production

The invention provides a method for extracting alcohol by using a by-product after garlic oil production, which comprises a pretreatment step, a fermentation step, a distillation step and a refining step, and through the combination of crushing and high-temperature cooking, starch in the garlic by-product is fully gelatinized, the cell wall structure is destroyed, and the alcohol content is reduced; more importantly, infectious microbes possibly carried in the raw materials are effectively killed, and a solid foundation is laid for subsequent pure fermentation; amylase and saccharifying enzyme are selectively added for enzymolysis, so that macromolecular carbohydrates are further accurately degraded into fermentable sugars which can be directly utilized by yeast, the saccharification rate of the raw materials is remarkably improved, and a core guarantee is directly provided for improving the final ethanol yield. Through combination of normal pressure rectification and pressurized rectification, ethanol is separated and concentrated, and through deep processing units such as molecular sieve dehydration or blending and aging, diversified alcohol products from industrial fuel and medical disinfection to high-end drinking can be flexibly produced by the same basic process, so that the application range and the economic value are expanded.
Owner:张庆源

Device for dehydrating and recovering excessive alcohol in esterification reaction

The utility model relates to an esterification reaction excess alcohol dehydration recovery device which comprises a deacidification tower and a dehydration assembly, a feed port of the deacidification tower is communicated with a raw material pipe, the dehydration assembly is divided into an evaporator and a membrane filter, an input end of the evaporator is communicated with a discharge pipe of the deacidification tower, and an output pipe of the evaporator is communicated with the inside of the membrane filter. A drainage pipe is arranged on one side of the membrane filter; a heat compensation assembly is also arranged in the deacidification tower and is communicated with the interior of the evaporator through a pipeline; according to the application, the deacidified material is firstly heated by the evaporator to be in a gaseous state, then the deacidified material is pressurized by the heat pump and conveyed into the membrane filter, and water in the steam-state material is separated by the pervaporation membrane, so that the anhydrous alcohol product is obtained, the anhydrous alcohol steam can be effectively utilized for the second time, and the energy consumption is reduced. Therefore, only the heat pump needs to be powered, and in the process, the whole equipment can be maintained without shutdown, so that the recovery efficiency is greatly improved.
Owner:WUHAN ZHIHONG PHARMACEUTICAL ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Platinum group metal supported catalyst, its preparation method and application in carbon dioxide hydrogenation

The application provides a platinum group metal supported catalyst, a preparation method thereof and application of the catalyst in carbon dioxide hydrogenation. The preparation method comprises the following steps: mixing a salt of a platinum group metal active component, alkali and ethylene glycol to obtain platinum group metal particle colloid; and mixing the obtained platinum group metal particle colloid with a chromium carrier and a promoter to obtain the platinum group metal supported catalyst. The catalyst prepared by the preparation method has the following advantages: the particle size of the active component of the catalyst is easy to control, the dispersion is good, the structure is stable, no impurity phase is introduced, and the alcohol product is specifically generated in the catalytic carbon dioxide hydrogenation reaction, the selectivity of the alcohol product reaches more than 90%, and the preparation method is easy to repeat.
Owner:THE NAT CENT FOR NANOSCI & TECH NCNST OF CHINA

Traditional Chinese medicine composition capable of relieving alcoholic brain injury and preparation method of traditional Chinese medicine composition

The invention discloses a traditional Chinese medicine composition for relieving alcoholic brain injury and a preparation method, and belongs to the technical field of traditional Chinese medicines and functional foods. Aiming at the problems of single target spot, low compliance and lack of scientific verification of a formula of an existing anti-alcohol product, the radix puerariae, the semen hoveniae, the ampelopsis grossedentata and the like are used as core raw materials and are compounded according to a specific weight part ratio, the traditional Chinese medicine principle of monarch, minister, assistant and guide is followed, the modern pharmacological mechanism is combined, and various dosage forms such as tea bags, solid beverages, oral liquid and functional wine can be prepared. According to the embodiment and contrast verification, the composition disclosed by the invention can synergistically resist oxidative stress, neuroinflammation and other pathological links of alcoholic brain injury at multiple targets, and the medicinal liquor dosage form realizes drinking synchronous protection, so that the use compliance is improved. The product quality is stable and controllable, the preparation process is simple, and the method has remarkable industrial application value.
Owner:JING BRAND

Methods for aging alcohol products using intelligent ultrasonic technology

Disclosed is a method for aging an alcohol product by using intelligent ultrasonic technology. A sealed stainless-steel aging cylinder is arranged on a bracket in advance, and the bracket is arranged above a stainless-steel tank provided with an ultrasonic generator at the bottom, so that indirect ultrasonic aging is performed on a new alcohol product in the stainless-steel aging cylinder. Firstly, a water-injecting sub-process is initiated; an alcohol product-feeding sub-process is initiated and a specific aging sub-process is initiated; a temperature control sub-process is synchronously performed during the aging process; and an alcohol product-discharging sub-process is initiated. After the alcohol product-discharging sub-process, determining whether the alcohol product is required to replace can be added. If yes, a gas-washing sub-process is initiated, and if not, the alcohol product-feeding sub-process is directly performed to continue aging. Such a cycle is repeated to automatically perform the alcohol product-aging process.
Owner:SHENZHEN CODYSON ELECTRICAL

System and method for cascaded photoelectrocatalytic conversion of alkane into alcohol, and use thereof

Provided are a system and method for the cascaded photoelectrocatalytic conversion of an alkane into an alcohol, and the use thereof. The system comprises an electrocatalytic reaction tank and a photocatalytic reaction tank, wherein the electrocatalytic reaction tank is sequentially connected to a peristaltic pump (2), a three-way valve (3) and the photocatalytic reaction tank via pipelines; a halogen electrolyte generated by the electrocatalytic reaction tank is conveyed to the three-way valve (3) via the peristaltic pump (2) and mixed with an alkane gas; the resulting mixture then enters the photocatalytic reaction tank and undergoes a catalytic reaction in the photocatalytic reaction tank under excitation by a light source (5); the obtained mixture is subjected to gas-liquid separation; a mixed gas obtained therefrom is mixed with a reacted catholyte in the electrocatalytic reaction tank; and the resulting mixture is introduced into a microreactor (8) and heated therein, so as to obtain an alcohol product. Compared with the prior art, the system has a good alcohol selectivity and production efficiency; and the system is a more efficient and stable reaction system compared with existing electrocatalytic or photocatalytic techniques.
Owner:SHANGHAI JIAOTONG UNIV

Method for producing diol compound by synthesis gas one-step method

The invention discloses a method for producing a diol compound from synthesis gas by a one-step method, and belongs to the technical field of catalytic chemistry. The method comprises the following steps: contacting and reacting raw material gas containing water, carbon monoxide and hydrogen with a catalyst to obtain the diol compound, the catalyst is selected from at least one of mordenite, ZSM-5, ZSM-23, a Na-type Y molecular sieve and an H-type Y molecular sieve. According to the method disclosed by the invention, one-step continuous production of the diol compound can be realized in the fixed bed reactor by taking the synthesis gas and the water as raw materials, and the conversion rate of carbon monoxide and the selectivity of the diol compound are effectively improved by adjusting the ratio of the synthesis gas to the water, the catalyst activation condition and the catalytic reaction condition; according to the present invention, the continuous production of one or more diol compounds such as methylene glycol, ethylene glycol and 1, 4-butanediol, and one or more alcohol products such as methanol and ethanol can be achieved, and the high selectivity is provided.
Owner:YANCHANG ZHONGKE (DALIAN) ENERGY TECH CO LTD

A membrane teichoic acid modified strain for producing short-chain alcohol and a construction method and application thereof

ActiveCN116925988BBacteriaTransferasesNucleotideAlcohol products
The application discloses a membrane teichoic acid modified strain for producing short-chain alcohol and a construction method and application thereof, and belongs to the technical field of biology. The membrane teichoic acid modified strain is a recombinant Clostridium autoethanogenum with overexpressed membrane teichoic acid synthetase, and specifically, the nucleotide sequence of a membrane teichoic acid synthetase coding gene is SEQ ID NO. 1, and the amino acid sequence of a protein coded by the membrane teichoic acid synthetase coding gene is SEQ ID NO. 2. The membrane teichoic acid modified strain for producing short-chain alcohol provided by the application is used for anaerobic fermentation to produce short-chain alcohol products, the number of living cells in a logarithmic growth phase is increased, substrate utilization is accelerated, the concentration, yield and production rate of ethanol and butanol products are improved, the tolerance to toxic inhibitors and high-temperature stress is enhanced, and efficient production of biological ethanol and butanol and other short-chain alcohol products is realized.
Owner:DALIAN UNIV OF TECH +1

Process for preparing a product

PCT designated stageWO2026010837A2BiofuelsGas production bioreactorsOxocarbonProcess engineering
The present invention provides a process and apparatus for producing an alcohol product stream from a gas fermentation process. A feed gas stream comprising hydrogen and a carbon oxide is subjected to fermentation to convert at least a portion of the feed gas stream to an alcohol. Fermentation is conducted in a reactor having a plurality of trays.
Owner:SHELL USA INC +1

A method for the electrocatalytic hydrogenation of carbonyl compounds to synthesize the corresponding alcohols

ActiveCN116555785BDiacetone alcoholElectrolytic agent
The present application relates to a kind of methods for synthesizing corresponding alcohol by electrocatalytic hydrogenation of carbonyl compound, using flow electrolytic cell or split H-type electrolytic cell, adding carbonyl compound in cathode electrolyte, collecting liquid phase alcohol product at reaction output end.The carbonyl compound includes formaldehyde, acetaldehyde, acetone, n-propyl aldehyde, n-butyl aldehyde, n-pentanal, 4-hydroxy-2-butanone, diacetone alcohol, 2-pentanone, cyclobutanone, furfural and other carbonyl-containing compounds.Different types of electrolytic cell are used, and the iron-based electrocatalyst constructed has the characteristics of low cost, high activity and high selectivity.Compared with traditional thermal catalytic technology, the electrocatalytic hydrogenation of carbonyl compound to synthesize corresponding alcohol technology is carried out at room temperature and normal pressure, using water as hydrogen source, which not only reduces energy consumption and production cost, but also is green, safe and efficient, in line with the requirements of green chemical industry.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Information processing system

To obtain an information processing device, an information processing system, and an information processing program capable of presenting alcoholic beverages that suit the user's preferences. [Solution] The information processing device 20 includes a processor, and when the processor receives user data which includes at least one of the following: alcohol product evaluation data relating to brands the user has drunk in the past and the user's evaluation of those brands; sensory preference data relating to the user's sensory preferences for alcoholic beverages; snack data relating to snacks the user plans to eat while drinking; favorite food data relating to the user's favorite foods; disliked food data relating to foods the user dislikes; and attribute data indicating the user's attributes, the processor uses a pre-trained model that has been trained to output suitable alcoholic beverage data relating to one or more types of alcoholic beverages that are suited to the user's preferences, and by inputting new user data for estimating suitable alcoholic beverages into the pre-trained model, the processor estimates suitable alcoholic beverage data corresponding to the new user data.
Owner:SPACECREATION CO LTD

Praseodymium copper hetero catalyst for efficient electroreduction of carbon dioxide to synthesize multi-carbon alcohol products and preparation method thereof

The application discloses a praseodymium-copper heterogeneous catalyst for efficiently electro-reducing carbon dioxide to synthesize a multi-carbon alcohol product and a preparation method thereof. The praseodymium-copper heterogeneous catalyst is a composite material of praseodymium oxide and copper oxide, wherein praseodymium, copper and oxygen are uniformly distributed in the praseodymium-copper heterogeneous catalyst; the praseodymium oxide is an oxide with a praseodymium-oxygen molar ratio of 6:11; and the molar ratio of praseodymium to copper is not less than 2. The application provides a method for electro-catalytically reducing carbon dioxide to prepare a multi-carbon alcohol product, which comprises the following steps: taking a mercury / mercury oxide electrode as a reference electrode, taking a nickel foam electrode as a counter electrode, taking the praseodymium-copper heterogeneous catalyst as a working electrode, and performing electrochemical reduction in a gas diffusion type flow electrolytic cell to obtain the multi-carbon alcohol product. The praseodymium-copper heterogeneous catalyst material is designed, the interaction relationship between metals and carriers and between the metal-carrier and reaction intermediates in the catalyst is adjusted by introducing the rare earth element praseodymium, so that the reaction activity and the selectivity of the target product are improved.
Owner:INST OF CHEM CHINESE ACAD OF SCI

system

PendingJP2026073407APayment architectureCommerceAlcohol drinkAlcohol products
We provide the system. [Solution] A means for acquiring user data and generating a taste profile, A means for selecting new alcoholic beverage products based on the aforementioned taste profile, A means of proposing the selected alcoholic beverages to the user, obtaining their approval, and then processing the payment, A means for delivering the aforementioned alcoholic beverages to the user, A means for obtaining feedback information from users, correcting the aforementioned taste profile, and improving the accuracy of alcohol product selection, A system that includes this.
Owner:SOFTBANK GROUP CORP

A method for preparing 1,3-cyclopentanediol from cyclopentadiene

ActiveCN116283499BOrganic compound preparationPreparation by OH group eliminationOrganic acidPtru catalyst
This invention provides a method for preparing 1,3-cyclopentanediol from cyclopentadiene and an apparatus system for implementing the method. The method includes: performing a hydroxylation reaction on a mixture of cyclopentadiene and a peroxide and an organic acid to obtain a hydroxylated mixed intermediate product; distilling the hydroxylated mixed intermediate product to obtain a hydroxylated mixed product and an aqueous solution of the organic acid; reacting the hydroxylated mixed product with hydrogen in the presence of a hydrogenation catalyst to obtain a hydrogenated mixed alcohol product; and distilling the hydrogenated mixed alcohol product to obtain high-purity 1,3-cyclopentanediol. The method of this invention features mild reaction conditions, high efficiency and environmental friendliness, and can obtain 1,3-cyclopentanediol in high yield.
Owner:SYNFUELS CHINA TECH CO LTD +1

Systems and methods for reconditioning alcoholic compositions and reconditioning alcoholic products

ActiveJP7819175B2Fermented solutions distillation/rectificationBy-product recoveryEngineeringAlcohol products
1. A method for removing one or more congeners from an alcohol composition, comprising the steps of: placing a quantity of an alcohol composition into a pressure-controllable environment; reducing the pressure of the pressure-controllable environment; removing one or more undesirable congeners from the alcohol composition to produce a purified alcohol composition; and removing the purified alcohol composition from the pressure-controllable environment.
Owner:TRUE ESSENCE FOODS INC

Catalyst for synthesizing isobutanol, preparation method and application thereof

PendingCN122273531AIsobutanolPtru catalyst
This invention discloses a catalyst for the synthesis of isobutanol from syngas, its preparation method, and its application, belonging to the technical field of catalysts for chemical products. The catalyst consists of a composite support, an active component of Cu oxide, and an alkali metal oxide promoter; the support is a high specific surface area ZrO2-SiO2 support and a ZnCrO2 support. x A mixture of carriers; the active component is CuO; the alkali metal auxiliaries are either K2O or Cs2O; the weight percentages of each component are as follows: ZrO2-SiO2 composite carrier: 28.69%~37.70%; ZnCrO x Composite support: 53.80%~65.54%; Active component CuO: 2.95%~6.13%; Alkali metal oxide auxiliaries: 2.58%~5.87%. The catalyst provided by this invention can efficiently synthesize isobutanol at relatively low reaction temperatures and pressures. Methanol and isobutanol are the main alcohol products, accounting for over 96% of the total alcohols, with other alcohols being less abundant. Subsequent separation consumes low energy. When the catalyst of this invention is applied to the direct synthesis of isobutanol from catalytic syngas, the CO conversion rate is greater than 60%, and the selectivity for isobutanol in the products reaches up to 47.6%, demonstrating significant potential for industrial application.
Owner:INST OF COAL CHEM CHINESE ACAD OF SCI