12 results about "Ethanol content" patented technology

This invention discloses an energy-saving five-tower methanol distillation method based on multi-effect thermal coupling. Crude methanol is fed to a pre-tower for distillation; the bottom product of the pre-tower is fed to an atmospheric distillation tower, the bottom product of the atmospheric distillation tower is fed to a negative pressure distillation tower, and the bottom product of the negative pressure distillation tower is fed to a pressurized distillation tower; the bottom product of the pressurized distillation tower is fed to a secondary pressure distillation tower; refined methanol is collected from the tops of the pressurized distillation tower, the atmospheric distillation tower, the negative pressure distillation tower, and the secondary pressure distillation tower; the top product of the pressurized distillation tower heats the reboiler of the secondary pressure distillation tower, and the top product of the secondary pressure distillation tower heats both the reboilers of the pre-tower and the atmospheric distillation tower; the top products of the pre-tower and the atmospheric distillation tower heat the reboiler of the negative pressure distillation tower. This process improves the heat recovery efficiency within the system, significantly reduces the condensation load of the top vapor, lowers the overall energy consumption of the distillation process, and achieves efficient multi-stage heat recovery and utilization within the system, reducing the ethanol content in the refined methanol product and improving methanol recovery efficiency.

The present invention relates to a single-serving capsule for preparing a hoppy alcoholic beverage with a foam height. This capsule is characterized in that it comprises at least two compartments, including a first compartment and a second compartment; the first compartment comprising 5-30 mL of an aqueous liquid having an ethanol content of 0-10% ABV and comprising 0.1-25% by weight of protein; the second compartment comprising 5-50 mL of an alcoholic liquid containing 20-99.9% by weight of ethanol, 0-60% by weight of water, and 50-2,000 mg / kg of hop acids selected from iso-alpha acid, hydrogenated iso-alpha acids, hulupones, and combinations thereof; wherein the ethanol and water together constitute at least 80% by weight of the alcoholic liquid.

A process for producing oxygenates from syngas is provided. The process involves mixing syngas with hydrogen sulfide, forming a syngas mixture; contacting the syngas mixture with a catalyst composition in a reactor to obtain a first product stream; splitting the first product stream into a non-condensable material stream and a condensable material stream; directing the non-condensable material stream back into the reactor; and directing the condensable material stream to a distillation column, producing a product stream having a high percentage of ethanol. The catalyst composition includes rhodium, lanthanum, gallium, vanadium and a support.

The application provides a polypeptide with activated ethanol dehydrogenase activity and application thereof, and relates to the technical field of active polypeptides.The application provides a polypeptide with activated ethanol dehydrogenase activity, wherein the amino acid sequence of the polypeptide is shown as SEQ ID No.1.The polypeptide can activate the activity of ethanol dehydrogenase, stably combine with ADH, improve the catalytic efficiency of ADH on ethanol, reduce the ethanol content in the serum of a mouse after drinking, effectively exert the effects of relieving alcohol, effectively relieve the adverse reactions of a drunk person such as hangover, fatigue and dizziness, and can be used in products for relieving alcohol and protecting liver.

The present invention relates to a manufacturing process for a packaged liquid beer concentrate, characterized in that said process comprises: providing an alcoholic beer comprising 3-12% ABV of ethanol; removing at least a portion of the ethanol from the alcoholic beer by means of distillation, thereby producing (i) a low-alcohol beer having an ethanol content of 0-1.5%.5% ABV of alcohol and (ii) an alcoholic liquid containing at least 10% ABV of ethanol; removing at least 70% by weight of the water present in the low-alcohol beer by membrane separation and / or concentration by liquid beer, wherein the membrane separation is selected from nanofiltration, reverse osmosis and forward osmosis; if the alcoholic liquid contains less than 20% ABV of ethanol, concentrating the alcoholic liquid to an ethanol content of at least 30% ABV by distillation, reverse osmosis or forward osmosis; separately packaging the liquid beer concentrate and the alcoholic liquid within a single container or within separate containers which together form a kit of parts.

This invention discloses an automatic heat-insulating sample delivery device for a drop hammer test, relating to the field of impact testing technology. It includes: a sample heat-insulating mechanism comprising a heat-insulating box containing a heat-insulating liquid; and a sample delivery mechanism comprising a delivery track and a robotic arm assembly moving along the delivery track. The heat-insulating box and the drop hammer detection station are both located directly above the displacement path of the robotic arm assembly. The heat-insulating liquid is industrial alcohol, and its chemical composition and mass percentage include: ethanol content ≥95.0%, methanol content ≤0.06%, water content ≤5%, and impurities controlled ≤0.5 mg / L. This invention regulates the temperature of the heat-insulating liquid through a temperature control component, achieving rapid cooling and heating of the industrial alcohol, facilitating the setting of different sample conditions, and ensuring a stable industrial test temperature.

This invention provides a method for quantifying ethanol in water-containing formulations that enables highly reproducible gas chromatography quantitative analysis by removing water in a simple manner without requiring special testing equipment. [Solution] A method for quantifying ethanol in a water-containing formulation, characterized by comprising: 1) a step of uniformly dissolving a water-containing formulation and an organic solvent; 2) a step of adding an inorganic salt or an organic salt to the liquid prepared in step 1 and separating it into an aqueous phase and an organic phase; and 3) a step of separating the organic phase in step 2 and quantitatively analyzing the ethanol contained in the organic phase by gas chromatography analysis.

A method (100) of detecting a percentage of ethanol in fuel used by an engine (26) is provided. The method includes obtaining a heater temperature at a first time t1 at which a slope of the heater temperature as a function of time reaches a predetermined threshold value indicative of fuel boiling; obtaining the heater temperature at a subsequent time t2 at which the slope of the heater temperature approaches a value of the slope prior to the time t1 and which is greater than the predetermined threshold value; and determining the percentage of ethanol in the fuel as a function of the first time t1 and a calculated temperature difference ∆T between the heater temperature at time t2 and the heater temperature at the first time t1. A fuel delivery system (20) that detects a percentage of ethanol in fuel by the method, and a flexible fuel vehicle including the fuel delivery system, are also provided.

The utility model belongs to ethanol detection technical field, concretely relates to a device for rapidly detecting ethanol, including the box, be provided with detection test tube and ultraviolet lamp in the box, be provided with the sealing plug at the port of detection test tube, the inside of detection test tube holds the ethanol detection solution, the ultraviolet lamp is installed in the upper portion of box inner chamber, is used for the light of detection test tube, be provided with the battery in the lower portion of box, the battery is electrically connected with ultraviolet lamp through the wire with switch, the upper end of box is hinged with the box cover, the box cover is fixedly connected with the box through the lock catch, the camera hole is set up in the side of box, the camera hole is opposite detection test tube setting, in order to through the mobile phone to the detection test tube in the box and carry out the photographing. The utility model has the advantages of small, high precision, low cost, simple operation and visual ethanol content.

The present invention relates to a method for producing a top-fermented beer or a beer-like beverage with an ethanol content of between 0.0% and 1.0% by volume, characterized in that it comprises providing a top-fermented base beverage containing ethanol, reducing the ethanol content of the fermented base beverage by a dealcoholization step, followed by the addition of flavoring to the fermented base beverage with reduced ethanol content to produce the top-fermented beer or beer-like beverage, wherein the added flavoring includes 4-vinyl guaiacol (4VG), and wherein the added flavoring further comprises ethyl acetate and isoamyl acetate, added in an amount effective to mask any possible undesirable flavor note caused by the 4VG, wherein the 4VG is added in an amount of between 0.2 and 2.0 ppm, and the isoamyl acetate is added in an amount of between 2.0 and 14 ppm.0 ppm, and wherein ethyl acetate is added in an amount between 40.0 - 80.0 ppm.

The invention relates to a fermented beverage as well as a method of producing a fermented beverage, particularly a beer or beer-like beverage, with an ethanol content of between 0.0% and 1.0% by volume, the method comprising providing an ethanol containing fermented base beverage, reducing the ethanol content of the fermented base beverage by a de-alcoholisation step, followed by adding flavor to the fermented base beverage with reduced ethanol content to produce the fermented beverage, wherein the added flavor includes at least an amount of 4-vinyl guaiacol (4VG).

The application belongs to the technical field of fluorescent probe detection, and particularly relates to a kind of blue fluorescent carbon quantum dots and its application. The application takes thioflavin T as raw material, ethanol as solvent, and synthesizes blue fluorescent carbon quantum dots with large conjugated structure through simple one-step microwave method. The carbon quantum dots are difficult to dissolve in water and easy to dissolve in organic solvents, and have sensitive fluorescence response to ethanol in the mixed solution of ethanol and water. Using the carbon quantum dots as fluorescent probe, the rapid and efficient detection of ethanol content in liquor can be realized by using ordinary fluorescence spectrometer, and the application has the advantages of convenient operation, high sensitivity, short response time and the like, and has broad application potential to develop portable alcohol detection scheme.