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165results about How to "High total acid content" patented technology

Electrolyte membrane and application of composite membrane thereof in liquid-flow energy storage battery with acidic electrolyte

The invention relates to an electrolyte membrane and application of a composite membrane thereof in a liquid-flow energy storage battery with acidic electrolyte. The electrolyte membrane uses polybenzimidazole or other aromatic heterocyclic polymers as a base membrane or is doped with a strong-acidity solution through composite techniques comprising an organic / inorganic technique, an organic / organic technique, a blending technique, a crosslinking technique, a strengthening technique and the like so that the acid content, the proton conductivity and the mechanical strength of the composite membrane are improved. Different from the traditional electrolyte membrane containing functional groups, the novel electrolyte membrane does not contain iron conduction groups, but utilizes acid in the electrolyte as the electrolyte to conduct protons. Due to the adoption of a Hopping conduction mechanism, the membrane reduces the iron permeation and the water migration of the liquid-flow energy storage battery, greatly reduces the crossing of anode and cathode electrolyte and prolongs the service life of the electrolyte. The preparation process is simple, and the prepared electrolyte membrane can effectively satisfy the requirements on the performance and the stability of the liquid-flow energy storage battery.
Owner:DALIAN RONGKE POWER

Block koji strengthening method capable of reducing dosage of block koji and improving quality of vinegar

The invention belongs to the technical field of biological materials and application thereof, and provides a block koji strengthening method capable of reducing the dosage of block koji and improving the quality of vinegar, aiming at solving the problems that vinegar which is brewed by pure block koji has a good flavor, but the saccharifying capability and the alcoholization capability are low and the vinegar yield is low. The block koji strengthening method comprises the following steps: separating fungus strains with high yields of cellulase and amylase; culturing single strains and commonly strengthening the block koji through penicillium chrysogenum and saccharomycopsis fibuligera; carrying out acetic acid fermentation. An exogenous catalyst does not need to be added, the dosage of the block koji is reduced and the utilization rate of raw materials is improved. The block koji strengthening method is simple and convenient to operate; unique flavor and quality of Shanxi traditional mature vinegar are kept, and the product yield is also improved; the quality of the vinegar is improved, the cost is reduced and the benefits are increased. When the block koji strengthening method is popularized and applied, the revolution of a Shanxi traditional mature vinegar process is brought, so that the development of Shanxi mature vinegar industries is promoted and corresponding economic and social results are generated; the block koji strengthening method has a wide application and popularization prospect.
Owner:SHANXI AGRI UNIV

Polysulfo-functionalized heteropolyacid ionic hybrid with multiple heteropolyacid negative ions as well as preparation method and application thereof

The invention discloses a polysulfo-functionalized heteropolyacid ionic hybrid with multiple heteropolyacid negative ions as well as a preparation method and an application thereof. Two ionic hybrids with novel structures are built by taking aliphatic polyamine, 1,4-butanesultone, phosphotungstic acid and silicotungstic acid as starting materials and carrying out two steps of atomic economic reaction through quaternization and acidification. Positive ions of the ionic hybrid comprise four or three bissulfo-functionalized long-chain quaternary ammonium positive ions; negative ions matched with the positive ions comprise three Keggin configuration silicotungstic acid negative ions or two Keggin configuration phosphotungstic acid negative ions; the prepared ionic hybrid can be used for preparing cyclohexyl carboxylate. The ionic hybrid has high acid strength and high acid content; the ionic hybrid also shows high amphipathy, so the reaction between substrate cyclohexene and organic carboxylic acid is facilitated; the ionic hybrid has the characteristics of atom economy, mild reaction condition, no backflow water diversion, high separation probability of products and high purity.
Owner:MINJIANG UNIV

Manufacturing method for scorch-aroma selenium-rich purple hybrid glutinous rice wine

A related manufacturing method for scorch-aroma selenium-rich purple hybrid glutinous rice wine comprises the following steps: selecting selenium-rich purple hybrid glutinous rice and common glutinous rice as raw materials according to the weight ratio of 3:1-3.5:1, airing the raw materials for 1 h-3 h and roasting; immersing the roasted raw materials for 3 h-5 h; boiling the immersed raw materials for 20 min-40 min; cooling the cooked raw materials to 30 DEG C-32 DEG C and draining water; weighting a wine starter accounting for 0.8%-1.0% by weight of the raw materials, grinding the wine starter and uniformly spreading into the drained raw materials, uniformly stirring, putting into a container and nesting; putting the container in an environment with the temperature of 30 DEG C-32 DEG C, performing saccharification fermentation for 48 h-50 h, so as to form a mixture of rice wine and wine lees; transferring the mixture subjected to saccharification fermentation to a room-temperature environment, standing for 24 h, and performing after-ripening fermentation; putting the mixture subjected to later-aging fermentation into a wine basket, squeezing at a pressure of 900 Pa-1000 Pa so as to separate rice wine and wine lees, precipitating squeezed-out rice wine for 8 h-10 h, and then putting in a wine jar and sealing.
Owner:XIHUA UNIV

Preparation method of envelopes of phosphoric acid micropore acidulant granules

The invention relates to a preparation method of envelopes of phosphoric acid micropore acidulant granules. The preparation method comprises the following specific steps: (1) mixing 10-15 parts of chitosan, 10-15 parts of citric acid, and 10-15 parts of malic acid to obtain a mixture A, screening the mixture with a sieve of 300 meshes, adding lactic acid and polyethylene glycol, uniformly mixing the screened mixture A, the lactic acid and the polyethylene glycol to obtain a mixture B, spraying the mixture B, and pelleting the sprayed mixture B; (2) uniformly mixing 3-5 parts of phosphoric acid, 1-2 parts of formic acid, 8-10 parts of acetic acid, 3-5 parts of propanoic acid, 8-10 parts of butyric acid, hydroxypropyl methyl cellulose, gas phase silicon dioxide and the pelleted mixture B obtained in the step (1) to obtain a mixture C, pelleting the mixture C by using a screw extruder, and oppositely impacting the pelleted mixture C by using airflows during pelleting; (3) and uniformly mixing 1-3 parts of phosphoric acid, 1-3 parts of fumaric acid, 5-10 parts of ethanol, 1-3 parts of benzoic acid, and 20-25 parts of melted polyacrylic resins to obtain a liquid lagging cover for lagging covers. According to the preparation method disclosed by the invention, the preparation technology is simple, the performance is stable, the storage is easy, the quality guarantee period is long, the preparation method has the notable effect of protecting the health of the alimentary canals of livestock, and the bioactivity of the livestock can be obviously improved.
Owner:无锡华诺威动物保健品有限公司

Production method of acid flavoring liquor

InactiveCN105985877AHigh total acid contentMeet the total acid content requirementsAlcoholic beverage preparationChemistryOrganic acid
The invention provides a production method of acid flavoring liquor. The method comprises the following steps: A) mixing waste Baijiu grains, a saccharifying fermenting agent and ending liquor, and conducting sealed fermentation, so that fermented waste grains are obtained; and B) cross-steaming the fermented waste grains and original liquor, so that acid flavoring liquor is obtained. Since the Baijiu grains are used as a raw material, the raw materials is converted into such organic acids as acetic acid and the like by virtue of the saccharifying fermenting agent, a precursor material is provided for the waste grains by adding the ending liquor which contains a certain amount of alcohol and the original liquid is subjected to cross-steaming, compared with the prior art, the production method disclosed by the invention can effectively extract organic acids from the fermented waste grains, so that the acid flavoring liquor, as a finished product, is relatively high in content of total acids most of which are low-boiling-point volatile fatty acids such as the acetic acid and the like; the flavoring liquor, which is clean in quality, low in content of impurities, low in blending dosage and obvious in blending effect, is capable meeting the requirement of a finished Baijiu product on the content of the total acids; liquor, which is blended with the flavoring liquor, is stronger, more delicious, mellow and softer-sweeter in quality; and the liquor is relatively long in aftertaste and is free from the generation of miscellaneous taste.
Owner:BEIJING RED STAR
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