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60results about How to "Eliminates the drying step" patented technology

Probiotic ultralow temperature refrigeration technology and applications thereof in probiotic preparation

The invention discloses a probiotic ultralow temperature refrigeration technology, a formula of a total-salt cryoprotectant which is suitable for the probiotic ultralow temperature refrigeration technology, and probiotic ultralow temperature refrigeration particles prepared by using the probiotic ultralow temperature refrigeration technology. The probiotic ultralow temperature refrigeration technology comprises following steps: (1) preparing a fermentation medium; (2) culturing probiotics; (3) centrifuging; (4) preparing the cryoprotectant; (5) adding the cryoprotectant; and (6) quick-freezing and moulding. The invention also provides a probiotic preparation prepared by using the probiotic ultralow temperature refrigeration particles, and a preparation method of the probiotic preparation. The probiotic ultralow temperature refrigeration particles are probiotic refrigerated bacterial strains which do not need to be dried and possesses advantages of fast refrigeration speed, high living bacterial rate and excellent rehydration performance. The probiotic ultralow temperature refrigeration particles contain water, can be dissolved in solutions more quickly, and are capable of preventing probiotic cells from damage caused by rehydration of normal low temperature refrigeration dried probiotic powder, and increasing the living bacterial rate of the probiotic preparation greatly.
Owner:THANKCOME BIOLOGICAL SCI & TECH CO LTD

Method for preparing black fungus puffed ultramicro powder

InactiveCN102763817AGood effectThe solution is hard and not suitable for chewingFood preparationFlavorAdditive ingredient
The invention discloses a method for preparing a black fungus puffed ultramicro powder. The method includes selecting black fungus sporophores to serve as a raw material, puffing black funguses by an instantaneous alternating temperature and pressure difference of a puffing tank of a puffing device, maintaining a valve between the puffing tank of the puffing device and a vacuum tank to be in an opening state all the time, subjecting the black funguses in the puffing tank to a vacuum drying, and subjecting the puffed black funguses to a coarse grinding and a superfine grinding to obtain the black fungus puffed ultramicro powder. According to the method, a high pressure gas serves as a carrier, by means of a puffing wall breaking process, a black fungus organization structure is subjected to a cytoclasis to release whole nutritional ingredients and medicinal effect ingredients which are easy to digest and use by human bodies, and problems that the black funguses are hard and not suitable for being chewed, digested and used are solved. Besides, when the black fungus puffed ultramicro powder can be mixed with foods of flours, cakes and the like, the black fungus puffed ultramicro powder has flavor and nutrition of the black funguses, and smoothing taste is increased. The method is low in production cost and suitable for industrialization production, and products are used for foods, health care foods, medicines and raw material extraction.
Owner:JINAN INST OF FRUIT PRODS CHINA GENERAL SUPPLY & MARKETING COOP

Separation and purification system of organic synthesis feed liquid and separation and purification method thereof

The invention aims at the field of chemical industry and relates to a separation and purification system of organic synthesis feed liquid and a separation and purification method of the organic synthesis feed liquid. The separation and purification system comprises a crystallization system and a solid-liquid separation system which are sequentially arranged from front to back, wherein the crystallization system comprises a mixed suspension-mixed product-removal (MSMPR) crystallizer and a draft-tube-baffled (DTB) crystallizer which are connected with each other in series; the separation and purification system also comprises a liquid processing system used for processing waste liquid produced by the solid-liquid separation system; the liquid processing system comprises a desalting device and a membrane concentration device which are sequentially arranged from front to back. By virtue of the separation and purification system of the organic synthesis feed liquid and the separation and purification method thereof, the organic synthesis feed liquid is separated and purified by using a continuous crystallization technology, an electrodialysis technology and a membrane separation and concentration technology; the produced waste liquid is fully recycled and used, so that the separation and purification efficiency is improved, the purity and the yield of products are improved and the discharge of the waste liquid is reduced; the separation and purification system of the organic synthesis feed liquid and the separation and purification method thereof are strong in production industrialization and low in costs, and are especially suitable for producing iminodiacetonitrile.
Owner:CHONGQING UNISPLENDOUR CHEM

Method for continuously preparing inulin and pectin by using jerusalem artichoke and/or endives

The invention provides a method for continuously preparing inulin and pectin by using jerusalem artichoke and/or endives. According to the technical scheme, the method comprises the following steps: cleaning, peeling and crushing the jerusalem artichoke and/or the endives, and pressing so as to obtain juice A and residues A; adding water to the residues A, and pressing again so as to obtain juice B and residues B; combining the juice A and the juice B so as to obtain juice C, filtering the juice C subjected to impurity removal so as to obtain juice D and residues, washing residues by using acidized ethyl alcohol, and carrying out centrifugal separation so as to obtain pectin precipitates A; concentrating the juice D so as to obtain the inulin; carrying out acid extraction on the residues B so as to obtain pectin clear liquor; obtaining pectin precipitates B by using the pectin clear liquor; and carrying out vacuum drying on the pectin precipitates A and the pectin precipitates B so as to obtain pectin. The method provided by the invention has the advantages that the production of the inulin and the pectin is combined through optimization of a preparation technology, the raw materials are fully utilized, the production cost is saved, and the production benefits are increased.
Owner:YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI

A method for directly synthesizing pure solid polycarboxylate high-performance water reducer in one step

The invention relates to a method for directly synthesizing a pure solid high-performance polycarboxylate water-reducer in one step, belonging to the field of water-reducers. According to the method, the pure solid high-performance polycarboxylate water-reducer is prepared by taking an acrylic compound and unsaturated polyoxyethylene ether as polymerization reaction monomers, adding a molecular weight regulator and carrying out free-radical polymerization reaction under the action of an initiator and under a solvent-free environment. The method disclosed by the invention is strong in controllability, high in polymerization degree, low in cost, environment-friendly and pollution-free, achieves the purpose of preparing the absolutely anhydrous pure solid polycarboxylate water-reducer by bulk polymerization, not only has the fluidity and holding property of cement paste, cement adaptability and concrete application performance which are similar to those of a polycarboxylate water-reducer prepared from a common solution by polymerization and can be prepared into any concentration of solution according to actual demands as the pure solid high-performance polycarboxylate water-reducer prepared by direct polymerization is an anhydrous pure solid, but also is free of postprocessing working procedures, such as heat drying or solvent separation and is more convenient to transport, saved in transport cost and favorable in market competitiveness and application prospect.
Owner:HUIZHOU JIANKE IND

Recycling system and recycling method for waste liquor produced in separation and purification of organically synthesized feed liquid

The invention relates to a recycling system and a recycling method for waste liquor produced in separation and purification of an organically synthesized feed liquid, and belongs to the field of chemical engineering. The recycling system for the waste liquor comprises a filter device, a desalting device and a membrane concentrating device which are arranged from the front to the rear in sequence, or the filter device is replaced with a filtrate collecting slot, wherein the filter device is used for filtering and collecting the waste liquor; the filtrate collecting slot is used for stewing and collecting the waste liquor; the desalting device is used for desalting the collected waste liquor; the membrane concentrating device is used for concentrating a liquid which is desalted by virtue of the desalting device; and the desalting device is preferably an electrodialysis device. According to the recycling system and the recycling method, a membrane separating and concentrating technology, an electrodialysis technology and the like are comprehensively utilized to separate and purify the organically synthesized feed liquid, and the produced waste liquor is sufficiently recycled, the separating and purifying efficiency and the purity and the yield of products are improved, discharge of the waste liquor is reduced, the production industrialization is strong and the cost is low, and thus, the recycling system and the recycling method are especially suitable for being applied in production of iminodiacetonitrile.
Owner:CHONGQING UNISPLENDOUR CHEM

Hose sealability detection device

The present invention relates to a hose sealability detection device. The device comprises a box body; an air inflation pump is arranged at the bottom of the inner cavity of the box body; the air outlet of the air inflation pump is connected with a first flow guide tube; one end of the first flow guide tube passes through the other side of the box body; a first sealing ring is disposed at the end opening of the first flow guide tube; a first hose clamp is arranged to one side of the first sealing ring; the first flow guide tube is provided with a first check valve and a pressure relief tubewhich are sequentially arranged from the left side to the right side of the first flow guide tube; one end of the pressure relief tube passes through the lower end of the box body; the pressure relieftube is provided with a solenoid valve; a PLC is disposed above the air inflation pump; a water pump is arranged above the PLC; one side of the water pump is connected with a water incoming tube; thewater incoming tube passes through the top of one side of the box body; and the other side of the water pump is connected with a second flow guide tube. The hose sealability detection device has theadvantages of simple structure and reasonable design. With the hose sealability detection device of the invention adopted, a method that applies direct water injection to realize detection can be avoided, a drying step can be eliminated, work efficiency can be improved, and a leak point can be tracked when a hose leaks.
Owner:扬州尚翔汽车零部件有限公司

Energy-saving and environment-friendly chemical raw material mixing and stirring device

The invention relates to the technical field of chemical equipment, and discloses an energy-saving and environment-friendly chemical raw material mixing and stirring device. The device comprises a boxbody, a motor is fixedly connected to the bottom of the box body, a rotating shaft is rotatably connected to the top of the motor, a rotating cylinder is fixedly connected to the top of the rotatingshaft, a hot air box and two feeding hoppers are fixedly connected to the top of the box body, two material receiving boxes are fixedly connected to the inner top wall of the box body, a rotating circular plate is arranged at the bottoms of the material receiving boxes, cylinder bodies are fixedly connected to the front inner wall and the rear inner wall of the box body correspondingly, pistons are movably connected to the interiors of the two cylinder bodies correspondingly, and a movable rod is fixedly connected between the two pistons. The motor drives the rotating shaft to rotate reversely, the rotating shaft drives the rotating circular plate to rotate through a rotating cylinder, a discharging hole alternately penetrates through the bottoms of the two material receiving boxes, then chemical raw materials in the two material receiving boxes alternately fall into the box body from the discharging hole, and therefore the effect of improving the initial mixing degree when the two chemical raw materials enter the box body is achieved.
Owner:景昊文案策划(温州)有限公司

Refining method for microalgae biodiesel

The invention relates to a refining method for microalgae biodiesel. The method includes the following steps that microalgae smashing is carried out, wherein after microalgae are harvested, algae liquid is introduced into a smashing tank, and the microalgae are smashed with ultrasonic waves; the algae liquid obtained after the microalgae are smashed is made to flow into a settling tank through a water pump, natural settling is performed, upper and lower layers are formed with upper-layer liquid being water and lower-layer liquid being algae slurry, and the lower-layer algae slurry is pumped into a reaction tank; in-situ extraction is carried out, wherein a reactant and an extraction agent are added into the reaction tank with the algae slurry, the mixture is heated to 60-80 DEG C and stirred constantly, and in-situ extraction starts; separation and purification are carried out, wherein after extraction is completed, upper-layer liquid is pumped into a collecting tank, heating and stirring are carried out at the same time, the extraction agent evaporates and enters a condenser, and the material remaining in the reaction tank is biodiesel. The method has the advantages that the material loss is reduced, the steps are simple, operation is easy and convenient, and the yield is close to 100%.
Owner:KUNSHAN QINGXU ENVIRONMENT TECH

Thymalfasin peptide resin pyrolysis method

The invention discloses a thymalfasin peptide resin pyrolysis method, and belongs to the field of polypeptide solid-phase synthesis. The method comprises the steps of taking thymalfasin peptide resin,adding a lysate which is 6-12 times the volume of the resin, conducting pyrolysis at 10-30 DEG C for 1-3 h, and filtering out resin to obtain a filtrate; adding the filtrate into ether which accountsfor 6 times or more of the volume of the filtrate; adding a 0.5M-1.5M sodium bicaronate or ammonium hydroxide solution which is 0.5-1 time the volume of the solution into the solution; adding an alkaline solution until the solution is clarified; conducting standing and layering, taking an upper-layer organic phase, adding a moderate amount of water for washing, merging the upper-layer organic phase with a lower-layer aqueous phase, and conducting vacuum pressure reduction to remove residual ether; adding acid to adjust the pH value to 2-8, and conducting filtering and purification. By means of the method, there is no need to use ether to wash crude peptide, the use amount of the ether is greatly reduced, the centrifuging operation is omitted at the same time, and the fire blast risk of the ether is lowered; the crude peptide drying step is omitted, the production labor hour is shortened, the risk of thymalfasin degradation is also lowered, and the purity of crude products is improved.
Owner:SINOPEP ALLSINO BIOPHARMACEUTICAL CO LTD

A kind of ultra-low temperature freezing process of probiotics and its application in probiotic preparations

The invention discloses a probiotic ultralow temperature refrigeration technology, a formula of a total-salt cryoprotectant which is suitable for the probiotic ultralow temperature refrigeration technology, and probiotic ultralow temperature refrigeration particles prepared by using the probiotic ultralow temperature refrigeration technology. The probiotic ultralow temperature refrigeration technology comprises following steps: (1) preparing a fermentation medium; (2) culturing probiotics; (3) centrifuging; (4) preparing the cryoprotectant; (5) adding the cryoprotectant; and (6) quick-freezing and moulding. The invention also provides a probiotic preparation prepared by using the probiotic ultralow temperature refrigeration particles, and a preparation method of the probiotic preparation. The probiotic ultralow temperature refrigeration particles are probiotic refrigerated bacterial strains which do not need to be dried and possesses advantages of fast refrigeration speed, high living bacterial rate and excellent rehydration performance. The probiotic ultralow temperature refrigeration particles contain water, can be dissolved in solutions more quickly, and are capable of preventing probiotic cells from damage caused by rehydration of normal low temperature refrigeration dried probiotic powder, and increasing the living bacterial rate of the probiotic preparation greatly.
Owner:THANKCOME BIOLOGICAL SCI & TECH CO LTD

Purifying method for acetylacetonatodicarbonyl rhodium

InactiveCN104610369AReduce Chloride ContentNo extra economic costRhodium organic compoundsIonChemistry
The invention relates to a purifying method for acetylacetonatodicarbonyl rhodium. The method comprises the following concrete steps: (1) adding deionized water into a crude acetylacetonatodicarbonyl rhodium product, carrying out full stirring, then carrying out standing, dropwise adding a silver nitrate solution until supernatant is no longer turbid, then replenishing a certain amount of the silver nitrate solution, carrying out stirring and filtering, and washing the obtained filter cake with water; and (2) adding the filter cake into an appropriate organic solvent, adding a moisture scavenger under stirring, carrying out filtering, and treating the obtained filtrate in the manners like concentrating crystallization or cooling crystallization so as to obtain solid acetylacetonatodicarbonyl rhodium, or using the obtained filtrate as a further reaction solution for the preparation of acetylacetonatocarbonyltriphenylp hosphinerhodium. The method provided by the invention omits the step of drying in conventional preparation of acetylacetonatodicarbonyl rhodium; under the condition of no additional operation process, the problem of inactivation of an acetylacetonatodicarbonyl rhodium catalyst in hydroformylation reaction due to susceptibility to affection by chloride ions can be conveniently, quickly and effectively overcome; meanwhile, the method is applicable to industrial production.
Owner:KUNMING INST OF PRECIOUS METALS

Method for extracting and purifying microalgae biodiesel

The invention relates to a method for extracting and purifying microalgae biodiesel. The method comprises the following steps: crushing microalgae, namely, introducing an algae liquid into a crushing tank, crushing microalgae with ultrasonic waves, feeding into a settling pond, performing natural precipitation to form an upper layer and a lower layer, and sucking algae slurry of the lower layer into a reaction tank, wherein the upper layer is water, and the lower layer is algae slurry; performing in-situ extraction, namely, adding a reaction agent and an extraction agent into the reaction tank with the algae slurry, heating till the temperature is 60-70 DEG C, and stirring all the time; performing separation purification, wherein n-hexane is adopted as an extraction agent; the volume ratio of the reaction agent to the extraction agent is 1:1; the volume ratio of the reaction agent to the algae slurry is (1-2):1; and the extraction agent needs to be replaced once every 4-6 hours; and after extraction is completed, sucking the upper liquid obtained after extraction into a collecting tank, stirring while heating, and evaporating the extraction agent into a condenser, thereby obtaining the biodiesel which is left in the reaction tank. The method has the advantages that material consumption is reduced, the steps are simple, the operation is simple and convenient, and the yield can be approximate to 100%.
Owner:QINGDAO WINCHANCE TECH
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