86results about How to "High purification rate" patented technology

The invention belongs to the technical field of production of sodium copper chlorophyllin and in particular relates to a method for producing sodium copper chlorophyllin through supercritical purification. The method for producing sodium copper chlorophyllin through supercritical purification comprises the following steps: (1) saponifying; (2) washing; (3) copperizing; and (4) purifying, namely purifying copperized chlorophyll by adopting supercritical carbon dioxide; and (5) obtaining the finished product. According to the method, the copperized chlorophyll is purified by adopting a supercritical technology, the particularity of a molecular structure of chlorophyll derivatives is overcome, and the yield of the copperized chlorophyll is greatly improved, so that the process of producing the sodium copper chlorophyllin is efficient and friendly to the environment.

The invention discloses a methane purification system and a methane purification technology thereof, solving problems of high investment cost, high operation cost, high fault rate and low purification purity of a conventional system. The system comprises an anaerobic tank (1), a particle filter (2), a drying tower (3), a desulfurizing tower (4), a gasometer (5), a steam-water separation device (6), a low-pressure methane compressor (7), an interception type prefilter (8), a refrigeration drying machine (9), an agglomeration type filter (10), an oil-water separation filter (11), a precise ultimate filter (12), a heater (13), a first CO2/CH4 efficient separation membrane (14), a second CO2/CH4 efficient separation membrane (19) and a methane storage tank (20), wherein a methane-enrichment port (15) of the first CO2/CH4 efficient separation membrane (14) is communicated with a carbon dioxide purification device (16), and a carbon dioxide storage tank (17) is connected with the carbon dioxide purification device (16). The purification technology has high purification rate; and the whole set of technology can realize full-automatic operation.

The invention relates to a method and a device for purifying refined aluminum and high-purity aluminum through continuous segregation and belongs to the field of casting metallurgy. The method and the device for purifying the refined aluminum and the high-purity aluminum through the continuous segregation are characterized in that crystallization of the refined aluminum and the high-purity aluminum is finished in flowing molten aluminum, the method and the device rely on a liquid supply system of production lines including a continuous casing production line, a continuous rolling production line and the like which need continuous liquid supply, the molten aluminum is from molten aluminum flowing out of a standing furnace, the flowing molten aluminum continuously provides a purification raw material, and continuous high-purity aluminum production is really achieved through the match of the method, the device and a rolling wheel crystal-pulling device. By means of the method, a stirring system is not required in the whole purification process, the energy consumption in the heat preservation process is reduced greatly, purified molten aluminum has no influence on follow-up production activities, the flowing molten aluminum enables the stability of purification raw material components to be ensured, and the uniformity of product components is ensured well under a certain process condition. The method greatly improves the production efficiency and simultaneously reduces the energy consumption, and a directional solidification and purification process is not influenced by the atmosphere environment inside a furnace.

The invention belongs to the technical field of biological food, and aims to provide a method for preparing collagen with the skin of cattle as the main raw material. The method for preparing the collagen includes the steps of homogenization digestion, adsorption filtration, ultrafiltration concentration and buffer solution change, ion-exchange column chromatography, ultrafiltration concentration and preservation solution change, and filtration sterilization for preparation of a collagen stock solution, wherein the collagen is obtained after protein precipitation, centrifugation and fiber homogenization. The process is simple and easy to implement; by using serous fluid obtained after treatment of the skin of cattle for extracting the collagen through the process, the purification rate and purity of the collagen can be obviously increased.

The invention discloses a method for extracting active peptides from a Qinzhou yellow pond turtle. The method comprises the following steps of raw material treatment, hydrolysis, enzymolysis, freezing, melting, concentrating and spray drying to obtain a finished product. Compared with the traditional seed solution shaking table activation, inoculation, fermentation liquid culture and wall breaking technologies, the method has the advantage that the time is greatly shortened.

The invention relates to a process for preparing ginsenosides Rh2 and Rh3 by using stems and leaves of pseudoginseng root as raw materials, which comprises the following technical flows: (1), extracting saponin from the leaves of the pseudoginseng root, namely cooking the stems and leaves of the pseudoginseng root with water for extraction, absorbing, eluting and concentrating to obtain a thin extract of the ginsenosides of the pseudoginseng root; (2), preparing diol saponins, namely absorbing, eluting, concentrating, drying and crushing the thin extract of the ginsenosides of the pseudoginseng root to obtain the diol saponins; and (3), acid hydrolysis, namely, performing acid hydrolysis on the diol saponins, absorbing, washing with water, eluting, concentrating and drying to obtain a mixture which contains the ginsenosides Rh2 and Rh3. The process of the invention is simple and feasible, high in purification rate and good in quality, and reaches industry standards.

This invention relates to a water-cooling continuous carbonization machine for producing carbon powder from stalk. Multi-stage carbonization pipes are set in a carbonization chamber. A screw conveyer is set in each carbonization pipe. The screw conveyers are connected via double wheels and double chains. The screw conveyers in two carbonization pipes in upper and lower stages have reverse propelling directions. The propelling endpoint of the upper stage carbonization pipe and the propelling start point are through connected via a discharge passage. A gas collection chamber is set in the carbonization chamber to recover and recycle residual gas by an injection blower. An adjustment valve and a pressure reducer are set on the air return pipe. A discharge hopper is set in the circulating cooling water tank, and isolated from the circulating cooling water tank to realize dry cooling of carbon powder. The machine can ensure even speed continuous propelling of the raw material. The flue gas can be re-combusted, thus can avoid coal tar harm. The machine has such advantages as high carbonization temperature, no exhaust gas, low labor intensity, high production efficiency and high carbon powder quality.

A disclosed biomass biogas purification method comprises: introducing unprocessed biogas into a particle filter to separate particles and condensate in the gas flow, then drying to remove water by passing through a drying tower, then removing sulfides at normal temperature under normal pressure by passing through a desulfurization tower, and compressing desulfurized biogas to 21-24.5 MPa by passing through a compressor, then processing in a recooler to reduce the temperature of the biogas, then enabling the biogas to flow into a low-temperature purification tower, controlling the temperature in the low-temperature purification tower to be -56 DEG C, so as to liquidize CO2 in the biogas and separate out from the bottom of the low-temperature purification tower, and further to obtain purified methane gas; enabling purified methane gas to flow into the recooler through the upward side of the low-temperature purification tower, performing heat exchange in the recooler and controlling the temperature to be 11-14 DEG C, discharging through a control valve, and collecting by a CNG (compressed natural gas) storage tank, so as to obtain purified methane. The method is high in purification rate, is capable of effectively removing H2S, H2O, CO2, halogenated mixed gas and the like, and enables the concentration of methane to be 99% or more.

The invention provides a method for re-purifying and recovering liquid paraffin obtained after solvent extraction. By the recovery method, the liquid paraffin recovered after solvent extraction is performed and the solvent is removed is re-purified. The method mainly comprises the steps of acid washing, neutralizing, washing and settling; impurities such as inorganic salt, gelatin, and surfactant are removed, the heavy-component proportion of the obtained high-purity liquid paraffin is basically consistent with that of the unused industrial liquid paraffin, and the high-purity liquid paraffin can be applied to polymerization reaction of a macroporous ion exchange resin again. The technical scheme has the technical characteristics of simple and short process, and high purification rate.

The invention discloses a device for extracting and grinding wormwood. The device comprises a shell; a discharging port is formed on a middle position on the bottom of the shell; a feeding port is formed on the top of the shell; a first rotating shaft is arranged in the feeding port; multiple sets of smashing blades are arranged on the two sides of the first rotating shaft; a driven wheel is arranged on the bottom of the first rotating shaft; a driving wheel is arranged on one side of the driven wheel; the driving wheel is connected with the driven wheel through a belt; a second rotating shaftis penetrated through the middle of the driving wheel; the top of the second rotating shaft is penetrated through the shell and is connected with a first driving motor on one side of the top of the shell; a first filter screen is arranged on the inner top of the shell. The device disclosed by the invention has the beneficial effects of reasonable design, simple structure and convenience in use. Compared with the traditional extracting device, the device disclosed by the invention has the advantages that the sufficient grinding property is effectively promoted, so that the purifying rate can be effectively increased and the use ratio can be effectively increased.

The invention belongs to the technical field of metal mineral resources development, in particular to an ore dressing method of pyrite. The method comprises the following steps: taking pyrite, addingdepressant, adjusting PH, grinding; adding water to obtain raw ore slurry; roughing the slurry, adding butyl xanthate and No.2 oil, and performing ultrasonic treatment to obtain roughed sulfur ore andtailings; adding activator into tailings, carrying out secondary roughing, adding butyl xanthate and No.2 oil, and carrying out ultrasonic treatment to obtain roughed sulfur ore and tailings; treating the roughed sulphur ore by ultrasonic wave, and repeatedly cleaning the obtained tailings twice, and scavenging the tailings, adding butyl xanthate and No.2 oil to the tailings for ultrasonic wave treatment, and continuously roughing and scavenging the obtained tailings once. By this method, the production cost can be reduced and the recovery rate can be increased, a good application prospect can be obtained.

The invention relates to a snail enzyme preparation method and solves problems that an existing snail enzyme extraction method is complex in process, poor in operability, low in purification rate and high in cost. The snail enzyme preparation method includes the steps of selection of fresh achatina fulica, cleaning, shelling, digestive gland removal, digestive juice pumping, primary filtering, centrifuging, secondary filtering, vacuum freeze dehydration, glue milling and storage. The method is widely applicable to preparation of snail enzyme.

The invention provides a method for preparing high-content tuna anserine by adopting membrane separation and application of the tuna anserine, and belongs to the technical field of protein peptide extraction and purification. The method comprises the steps: smashing and pulping tuna meat, then placing tuna pulp in boiling water, performing screening and filtering twice, combining filtrates obtained twice, performing ultrafiltration membrane filtering three times, taking trapped fluid obtained in the third time, and performing concentration, smashing, heating, and reflux extraction to obtain the tuna anserine. According to the method, rich tuna fishery resources in China and the medical health care functions of the anserine contained in tuna meat are fully utilized, the industrial production and processing technology level and additional value of tuna anserine products are effectively improved, the production and preparation process is simplified, and the production efficiency is improved. Meanwhile, the pollution problem and the production cost for producing the product are reduced, and the varieties of tuna anserine products on the market are enriched, so that the high-content tuna anserine has a good practical application value.

The invention discloses a nano-scale collagen purification method capable of reaching the absorption rate of 96%. The method includes the steps: crushing fish skins, and removing impurities; placing crushed materials into a low-temperature stirrer, stirring and mixing mixture for 30 minutes according to the volume ratio of the crushed materials to deionized water, standing for 10 minutes, removingupper floats, and placing mixture into a filter device to perform adsorption filtration; collecting filtered crushed materials, and performing first purification, second decomposition and third purification. The volume ratio of the crushed materials to deionized water is 1:3. Nano-scale collagen acquired through three purification steps and a particle collisions instrument is detected by SGS andPUNY, so that the nano-scale collagen is free from oestrone, chloramphenicol, progesterone, salmonella, methyltestosterone, macrodantin metabolite, fat, estradiol and estriol. According to the method,slurry acquired after treatment of the fish skins is used for extraction of the collagen, the purification rate and the purity of the collagen can be obviously increased, the slurry is purified by anano-scale collagen purification device to obtain nano-scale mixed powder, collision of the nano-scale mixed powder is implemented by the particle collisions instrument to obtain the nano-scale collagen with uniform molecular weight, and the absorption rate of the nano-scale collagen can reach 96%.

The invention discloses a method for extracting bioactive peptide from a black-bone chicken. The method comprises the following steps: treating raw materials so as to obtain meat paste; hydrolyzing the obtained meat paste so as to obtain a solution; grinding the solution so as to obtain a pasty slurry; fermenting the pasty slurry and liquid spawn of lactic acid bacteria so as to obtain fermented liquor; performing enzymolysis on the fermented liquor and protease so as to obtain a solution on which the enzymolysis is performed; performing enzyme deactivation on the solution on which the enzymolysis is performed so as to obtain a solution on which the enzyme deactivation is performed; filtering a mixed solution after standing, of the solution on which the enzyme deactivation is performed, diatomite and/or active carbon so as to obtain filtrate, and concentrating the filtrate so as to obtain extracts; drying the extracts; and packaging the dried extracts so as to obtain finished products. According to the method disclosed by the invention, firstly a superfine grinding technology is utilized to treat hydrolysate of the black-bone chicken, then a lactic acid bacteria fermentation technology is utilized to treat the treated hydrolysate of the black-bone chicken so as to obtain solution particles of which the particle sizes are uniformly distributed, the decomposition of protein and monosaccharide and absorption of nutrient substances such as calcium and magnesium can be facilitated, and a large number of beneficial substances such as vitamin B can be generated; then the solution particles are treated into micro-molecular peptide substances through enzymolysis, and the micro-molecular peptide substances can be directly absorbed by a human body without gastrointestinal digestion, so that the problems of absorbing and utilizing macromolecular proteins by the human body are effectively solved. By the method disclosed by the invention, the extraction rate is higher than 20%, and the proportion of micro-molecular peptide is higher than 95%.

The invention relates to a cyclic utilization device for recycling, finely-steaming and purifying NMP in coating process of a lithium ion battery. The cyclic utilization device comprises a coating machine, a heat exchanger, a rotating wheel, finely-steaming and purifying equipment, a waste liquid tank, automatic liquid feeding equipment and an NMP solution storage tank. The device is characterized in that the heat exchanger comprises a heat exchanger high-temperature inlet, a heat exchanger low-temperature inlet, a heat exchanger dry air inlet and a heat exchanger dry air outlet; and a coating machine head and a coating machine tail are arranged on the left and right sides of the coating machine, respectively, an exhaust pipeline is arranged above the coating machine and is connected with an exhaust fan, the exhaust fan is connected with the heat exchanger high-temperature inlet through the exhaust pipeline, and an air supply pipeline is arranged below the coating machine. The cyclic utilization device is used for adsorbing NMP exhaust gas exhausted in a coating production process of the lithium ion battery and converting NMP in the exhaust gas into liquid to be recycled by virtue of a condenser so as to realize recycle and reuse, the concentration of NMP is high, and the purifying rate is high; and the automation degree of the device is high, and the recycling rate of liquid is high.

The invention relates to trimethyl orthoacetate continuous distillation equipment and a distillation technology thereof, and belongs to the technical field of the trimethyl orthoacetate continuous distillation equipment and the distillation technology thereof. The continuous distillation equipment comprises a first-level distillation device, a second-level distillation device and a third-level distillation device which are in series connection with one another, wherein the first-level distillation device comprises a first-level separation tower; first-level separation tower reboilers are communicated with the bottom of the first-level separation tower; first-level separation tower circulation pumps are mounted on a circulation pipeline I between the first-level separation tower and the first-level separation tower reboilers; the circulation pipeline I is communicated with the second-level distillation device; a discharging pipeline at the top of the first-level separation tower is communicated with a first-level separation tower condenser; the first-level separation tower condenser is communicated with a first-level separation tower receiving tank; the discharge opening of the first-level separation tower receiving tank is communicated with the first-level separation tower through a pipeline; first-level separation tower reflux pumps and a branch pipeline which is communicated with a low-boiling-point substance storing tank are mounted on the pipeline. The continuous distillation equipment is small in occupied area, low in energy consumption, simple and convenient to operate, high in distillation purity and less in environmental pollution.

The invention discloses a recycling process and method for all metal elements in abandoned power lithium batteries, and specifically relates to the field of recycling of metal in the lithium batteries. The recycling process and method specifically includes the following steps of raw material processing, high-temperature roasting, oxygen injection stirring, waste gas processing, acid pickling, precipitation and drying. In the raw material roasting process, internal raw materials are subjected to reduction of carbon powder in advance, the oxygen injection stirring step is then conducted, oxide formed by manganese, lithium and cobalt is independently taken out in batches within all temperature ranges of heating, and therefore the metal elements in the raw materials can be sufficiently oxidized, sufficient purification of the metal elements is ensured, and the purification rate of the metal elements is increased. Compared with the existing poor effect of recycling the metal elements in theabandoned lithium batteries, the method is simple in process, low in operation cost and high in recycling rate of metal elements in railings, the utilization rate of the device is greatly increased,and no secondary pollution is caused.

The invention provides a method and a device for preparing high purity metal or alloy through an efficient distillation method, relates to the technical field of metal or alloy purification, and solves the technical problem that in the prior art, the efficiency of purifying metal or alloy through an existing distillation method is low. The device comprises a purifying plant body provided with a distillation chamber and a centrifugal cavity provided with a centrifugal chamber, wherein the centrifugal chamber is communicated with the distillation chamber; and a to-be-purified metal or alloy inlet, a metal or alloy vapor outlet and a metal or alloy discharging port are formed in the purifying plant body. The method and the device are suitable for metal or alloy with the melting point below 1500 DEG C, purification is achieved by means of different boiling points and saturation vapor pressures of impurity elements contained in the metal or alloy, a gas-liquid interface is improved by conducting droplet formation and atomization on the molten metal or alloy, the vaporization efficiency is improved, and the purification efficiency is high on the basis that the purification effect is guaranteed.

The invention discloses a preparation method of copper glycinate. The preparation method comprises the following steps: (1) dissolving copper oxide: dissolving the copper oxide into ammonia water to form a copper-ammonia complex; (2) carrying out a synthetic reaction: adding glycine and the copper-ammonia complex into a reaction kettle according to a certain ratio and reacting; heating and reacting for a period of time to obtain reaction liquid; (3) purifying a product: cooling the reaction liquid and centrifuging to obtain a copper glycinate solid 1 and filtrate; decompressing and distilling the filtrate to obtain a copper glycinate solid 2 and a liquid fraction; drying the copper glycinate solid 1 and the copper glycinate solid 2 to obtain a product; (4) recycling ammonia: absorbing ammonia gas generated in a reaction process by an absorbent, so as to obtain recycling liquid; using the recycling liquid to the step (1) to replace ammonia water for dissolving copper oxide. The invention provides the preparation method of the copper glycinate, which can avoid interference of foreign ions and can also improve the reaction speed.