150 results about "Alkaline hydrolysis" patented technology

The invention discloses a preparation method of low-carbon-content high-purity quartz sand, which comprises the following steps: carrying out alkaline hydrolysis and drying on organosilane to obtain alkaline xerogel, putting the alkaline xerogel into a quartz tube of a rotary tube furnace, starting the furnace body, adjusting the rotation rate, heating to a specific low temperature, and introducing nitrogen to replace air; introducing oxygen, controlling the pressure, carrying out oxidation reaction, relieving the pressure to normal pressure after the reaction, pumping and discharging the product, and repeating the oxidation and pumping steps for many times until the tail gas carbon dioxide reaches the standard; raising the temperature, introducing chlorine-containing gas for purification, finally raising the temperature to a sintering temperature, and sintering in an air atmosphere to obtain the low-carbon-content high-purity quartz sand. According to the preparation method, the energy consumption and the equipment cost of the carbon removal procedure are greatly reduced, the specific surface area and the densification performance of the subsequent high-purity quartz sand product can be guaranteed, and a technical path which is low in energy consumption, high in efficiency and capable of giving consideration to the product performance is provided for industrial preparation of the high-purity quartz sand through a sol-gel method.

The invention relates to a strain of Lactobacillus coryniformis ZS-07 and an application of the Lactobacillus coryniformis ZS-07 in preparation of rare ginsenoside through fermentation, and belongs to the field of microbial fermentation, the Lactobacillus coryniformis ZS-07 is preserved in China Center for Type Culture Collection on January 4, 2026, and the preservation number of the Lactobacillus coryniformis ZS-07 is CCTCC NO: M 2026009. According to the invention, ginsenoside Rb1 is used as a raw material, and the rare ginsenosides 20 (S)-Rg3, 20 (R)-Rg3, Rk1 and Rg5 are prepared by fermentation and conversion of Lactobacillus coryniformis ZS-07. The preparation method comprises the following steps: preparing the rare ginsenosides 20 (S)-Rg3, 20 (R)-Rg3, 20 (R)-Rg3, Rk1 and Rg5; the ginsenoside Rb1 can be converted into 20 (S)-Rg3, 20 (R)-Rg3, Rk1 and Rg5 after fermentation, and different from conventional methods depending on alkaline hydrolysis, high temperature and high pressure or steam treatment, the process shows the advantages of excellent mild characteristic, environmental friendliness and low cost, and the content of converted products can be effectively increased. The invention constructs a new strategy for directional synthesis of rare ginsenosides 20 (S)-Rg3, 20 (R)-Rg3, Rk1 and Rg5, thereby widening the application prospect and industrialization potential of the rare ginsenosides 20 (S)-Rg3, 20 (R)-Rg3, Rk1 and Rg5.

The invention relates to the field of biological product preparation, in particular to a preparation method of high-activity oyster-derived small molecule peptide. The method comprises the following steps: selecting fresh meat of pacific oysters or ostrea rivularis as a raw material, degreasing, adding water, crushing, filtering, sequentially carrying out compound protease and neutral protease hydrolysis, implanting a sensor and a probe in hydrolysis, monitoring in real time, and dynamically adjusting reaction conditions; adding a targeting microcapsule wrapping an ascorbic acid glutathione composite protective agent, and releasing the protective agent when a target peptide signal is detected; separating and concentrating through a gradient membrane, and purifying the target peptide by using a molecular imprinting chromatographic column; carrying out alkaline hydrolysis on enzymatic hydrolysis residues to prepare chitosan for cyclic utilization, carrying out enzymatic hydrolysis on residual residues to generate collagen peptide, treating and recycling wastewater, and recovering protease. According to the method, the technical effects that the high-activity and high-purity target peptide is prepared, the resource utilization rate is increased, the production cost is reduced, the target peptide has good oxidation resistance and biological activity, the intestinal enzyme degradation rate is reduced after glycosylation modification, and the blood half-life period is prolonged are achieved.

The invention discloses a vinylene carbonate production waste treatment method, which comprises: dispersing triethylamine hydrochloride waste residue in water, filtering, adding excess alkali into the filtrate to carry out an alkaline hydrolysis reaction, and standing for layering to obtain an oil phase and a water phase, the oil phase containing triethylamine; adding calcium peroxide into the water phase, mixing and stirring to obtain a pretreatment solution; performing electrochemical catalytic oxidation treatment on the pretreatment solution, wherein a graphite felt electrode modified by a specific iron-based activated carbon catalyst is used as a cathode in the electrochemical catalytic oxidation treatment; the method is simple to operate, easy to implement, high in continuity, low in cost, free of high-temperature and high-pressure processes and excellent in treatment effect.

The invention belongs to the technical field of fine chemical engineering, and particularly relates to a method for preparing L-aminopropanol by splitting DL-aminopropanol. The resolution method comprises the following steps: (1) preparing immobilized CALB lipase; (2) preparing a bimetallic catalyst; (3) performing transesterification with vinyl acetate under the action of a bimetallic catalyst and the immobilized CALB lipase; and (4) carrying out alkaline hydrolysis reaction with sodium hydroxide, and then carrying out post-treatment to obtain the L-aminopropanol. According to the method for preparing the L-aminopropanol by splitting the DL-aminopropanol, all the steps have a synergistic effect, and it is ensured that the prepared L-aminopropanol has the high yield and purity.

The process for producing and using polymeric Hydrocells for production of atmospheric water using a superabsorbent polymer derived from alkaline hydrolysis of the polyacrylonitrile (PAN). The Hydrocell adsorbs up to 80% of its weight in atmospheric water under ambient conditions and releases this water when heated to less than 100° C. using renewable energy sources, such as solar energy. This low-temperature operation allows for repeated adsorption and desorption cycles lasting years without degradation. Multiple Hydrocells can be arranged into Hydrobatteries with a surface area greater than 2 m2, capable of adsorbing several kg of water per day. The Hydrocells offer a sustainable and safe solution for producing potable water free of toxic chemicals and pathogenic microorganisms in regions with limited water resources. By drawing water from the vast atmospheric reservoir containing over 13,000 km3, this can help prevent deaths caused by the consumption of contaminated water.

The present application relates to a kind of high efficiency energy-saving preparation process of phloroglucinol.The preparation process uses phenol as raw material, generates 2,6-dichlorophenol and dichlorophenol isomer through chlorination reaction, then is alkaline hydrolysis and acidification into product phloroglucinol, after the intermediate dichlorophenol is generated in the chlorination reaction of raw material phenol, it is not concentrated and separated, directly add base to carry out alkaline hydrolysis reaction, realize chlorination-alkaline hydrolysis two-step reaction continuous production.The present application uses alkaline hydrolysis reaction to also convert the original dichlorophenol isomer impurity in situ into product phloroglucinol, realizes waste to treasure, improves yield about 8-10%;In the preparation process, 2,6-dichlorophenol intermediate is not separated, it is directly used in the next step alkaline hydrolysis reaction, the operation unit such as the solvent, crystallization, centrifugation, drying, packaging etc. for its concentration replacement is saved, at the same time, the pungent odor generated in the large production process of 2,6-dichlorophenol is fundamentally avoided, and the environmental pollution problem in the production process of phloroglucinol is avoided.

The utility model discloses a device for preparing an organic water-soluble fertilizer from kitchen waste pressure filtrate. The device comprises an oil-water separator, an alkaline hydrolysis tank, an acidolysis tank, a mixing and regulating tank and a centrifugal machine, the oil-water separator is used for carrying out grease separation on the injected kitchen waste pressure filtrate and respectively introducing the filtrate into the alkaline hydrolysis tank and the acidolysis tank; alkali liquor is added into the alkaline hydrolysis tank and is used for treating residual grease, protein and colloidal protein in the filtrate; acid liquor is added into the acidolysis tank and is used for treating starch and cellulose in the filtrate; the mixing and regulating tank is used for mixing the alkaline hydrolysis filtrate and the acidolysis filtrate separated in the alkaline hydrolysis tank and the acidolysis tank and regulating the pH value; the centrifugal machine is used for centrifuging the mixed solution and carrying out solid-liquid separation to obtain the supernatant organic water-soluble fertilizer. According to the kitchen waste pressure filtrate treatment device formed by the structural combination, the purpose of preparing organic water-soluble fertilizer by using kitchen waste as raw materials can be achieved, and the resource utilization rate and the economic value of kitchen waste pressure filtrate are effectively improved.

The utility model relates to excess activated sludge peroxy alkaline hydrolysis treatment equipment for sewage treatment, which belongs to the technical field of sewage treatment and comprises a sewage pool and an activated sludge sewage treatment system. A sewage lifting pump communicated with the sewage tank and the activated sludge sewage treatment system through pipelines is arranged between the sewage tank and the activated sludge sewage treatment system, and a sewage regulating tank is arranged between the sewage lifting pump and the sewage tank; a plurality of peroxy alkaline hydrolysis tanks which are communicated through parallel pipelines are arranged between the activated sludge sewage treatment system and the sewage adjusting tank, and alkaline hydrolysis sludge pumps are arranged between the peroxy alkaline hydrolysis tanks and the sewage adjusting tank. The device has the characteristics of simplicity and convenience in operation control, flexibility in operation, energy conservation, environment friendliness and simple structure, and is convenient for continuous production. The low-cost, harmless and reduction treatment on the sludge is realized.

The invention relates to a compound as well as a preparation method and application thereof. The preparation method comprises the following steps: taking a compound 1 as an initial raw material, and sequentially carrying out condensation with thiourea, alkaline hydrolysis and oxidative coupling with pentafluoropentanethiol to obtain the compound 1, the raw materials are easy to obtain, the reaction conditions are mild, the post-treatment process is effectively simplified through an optimized pulping purification technology, the purity of the final product is up to 98.5% or above, and the method is suitable for industrial production. And a key material basis is provided for quality research of fulvestrant bulk drugs.

The application discloses a method for preparing polyaniline with nanotube structure by using an alkaline hydrolysis product of perylene imide as a template agent, and comprises the following steps: preparing perylene imide, preparing the alkaline hydrolysis product of perylene imide, and preparing polyaniline. The perylene imide is a product synthesized by using perylene-3,4,9,10-tetracarboxylic dianhydride and 2,4-diamino-6-phenyl-1,3,5-triazine as raw materials. After the perylene imide is subjected to alkaline hydrolysis treatment, on one hand, the hydrophilicity of the perylene imide can be increased, so that the perylene imide can be fully infiltrated by an aniline solution, and the oxidation polymerization process of the aniline on the perylene imide is promoted; on the other hand, the surface of the polyimide after the alkaline treatment carries a large number of -OH nucleation sites regularly distributed along the molecular axis, so that the polyaniline grown on the polyimide presents a regular micro-nano structure.

The invention provides a cellulose degrading strain for degrading traditional Chinese medicine residues, a microbial agent and a method for degrading the traditional Chinese medicine residues, and relates to the technical field of microorganisms. The invention provides a cellulose degrading strain for degrading traditional Chinese medicine residues, which comprises Cellulomonas X-5 with the preservation number of CGMCC (China General Microbiological Culture Collection Center) No.34614, and Cellulomonas X-5 with the preservation number of CGMCC No.34614; the preservation number of the cellulomicrobacterium X-7 is CGMCC (China General Microbiological Culture Collection Center) No.34615 According to the research and verification of the application, both the cellulomonas X-5 and the cellulomicrobacterium X-7 have good fiber degradation activity, especially for multi-medicinal material mixed traditional Chinese medicine residues, the decomposition rate of the traditional Chinese medicine residues can be remarkably improved, and meanwhile, the contents of quick-acting phosphorus and alkali-hydrolyzable nitrogen in the degraded traditional Chinese medicine residues can also be improved. Therefore, the cellulose degrading strain obtained in the invention not only is helpful for realizing resource utilization of agricultural wastes, but also can effectively improve the soil fertility and reduce the risk of environmental pollution.

The invention relates to the technical field of organic synthesis, in particular to a refining method of a crude product of dextroborneol, which comprises the following steps: sequentially carrying out a rearrangement reaction, an esterification reaction, a salt forming reaction, an alkaline hydrolysis reaction and post-treatment refining on the crude product of dextroborneol in the presence of a solvent and a catalyst on the basis of a reaction product to obtain a refined product of dextroborneol, in the refined dextroborneol product, the content of dextroborneol is greater than or equal to 98.0%, the content of L-borneol is less than or equal to 1.0%, the content of isoborneol is less than or equal to 0.15%, the content of natural camphor is less than or equal to 0.15%, and the content of other impurities is less than or equal to 0.10%. The method has the advantages that the isoborneol structure can be selectively destroyed under mild conditions, impurities are effectively removed through the esterification-salification-alkaline hydrolysis three-step reaction, and the purity and yield of dextroborneol are remarkably improved.

This application relates to the field of pesticide intermediate synthesis technology, specifically disclosing a method for synthesizing 2-methylsulfonyl-4-trifluoromethylbenzoic acid. The method for synthesizing 2-methylsulfonyl-4-trifluoromethylbenzoic acid includes the following steps: 1) subjecting 2-nitro-4-trifluoromethylbenzonitrile to a methylsulfonation reaction to obtain 2-methylthio-4-trifluoromethylbenzonitrile; 2) subjecting the 2-methylthio-4-trifluoromethylbenzonitrile obtained in step 1) to an oxidation reaction under the action of a catalyst to obtain 2-methylsulfonyl-4-trifluoromethylbenzonitrile; 3) subjecting the 2-methylsulfonyl-4-trifluoromethylbenzonitrile obtained in step 2) to an alkaline hydrolysis reaction, followed by an acidification reaction to obtain 2-methylsulfonyl-4-trifluoromethylbenzoic acid. The synthesis method of this application has the advantages of high reaction efficiency, few process steps, and high yield.

The invention discloses a method for recovering ethyl pyrimidinol from pirimiphos-methyl synthesis wastewater. The method comprises the following steps: sequentially carrying out primary extraction, alkaline hydrolysis, secondary extraction, decoloration, pH value adjustment to 6-7, reflux and cooling crystallization on the wastewater. According to the method disclosed by the invention, other organic matters in the wastewater can be effectively removed, the product quality is improved, the ethyl pyrimidinol with high purity and high yield can be obtained, the recovery rate is greater than 99%, the purity exceeds 99%, the water content is very low, the obtained ethyl pyrimidinol can be used as a raw material to be directly used for synthesizing a pirimiphos-methyl active compound, the utilization rate of the ethyl pyrimidinol is effectively improved, and the method is suitable for industrial production. The method has the advantages of simple process, convenience in operation, low recovery cost, mild reaction conditions, high recovery efficiency, high purity of recovered products, environment friendliness and the like, effectively solves the problem of stink of the ethyl pyrimidinol recovered by the original method, and obviously reduces the three-waste treatment cost by outsourcing or incineration treatment, and meanwhile, the method has the advantages of simple process, convenience in operation, low recovery cost, mild reaction conditions, high recovery efficiency, high purity of the recovered products, environment friendliness and the like.

The invention discloses a method for treating polychlorinated nitrobenzene-containing wastewater by adopting calcium hydroxide alkaline hydrolysis. The method comprises the following steps: firstly, adding calcium hydroxide into wastewater containing polychlorinated nitrobenzene, carrying out hydrolysis reaction under stirring and temperature control conditions, carrying out nucleophilic substitution on activated chlorine substitution sites and nitro substitution sites in polychlorinated nitrobenzene molecules by utilizing hydroxyl ions to generate phenolic substances such as trinitrodichlorophenol and the like, and separating the phenolic substances to obtain the polychlorinated nitrobenzene-containing wastewater. Performing ultrasonic treatment on the first treatment liquid until the solution turns yellow and the chromaticity is not increased any more to obtain a first treatment liquid, and performing ultrasonic treatment, washing and filtering on the first treatment liquid to remove precipitated solids to obtain the treatment liquid. According to the method disclosed by the invention, the primary attenuation of the polychlorinated nitrobenzene-containing wastewater is realized, and the treatability of the wastewater is improved.

This invention discloses a phenylnaphthic acid derivative and its application in phosphorescent information encryption. The preparation method involves using 3,5-bis(ethoxycarbonyl)phenylboronic acid and methyl 6-bromo-2-naphthylcarboxylate as raw materials, and then performing a Suzuki coupling reaction under tetra(triphenylphosphine)palladium(O) catalysis to obtain the intermediate ethyl 2-(3,5-bis(ethoxycarbonyl)phenyl)-6-naphthylcarboxylate. This intermediate is then subjected to alkaline hydrolysis and acidification to obtain the target product, 2-(3,5-dicarboxyphenyl)-6-naphthylcarboxylic acid. This phosphorescent material has a simple preparation method, lower cost compared to noble metal phosphorescence systems, a simple guest synthesis method with high yield, and exhibits significant and stable phosphorescence effects. Furthermore, precise emission color control of high-performance doped thin films is achieved through the triplet-to-singlet Förster fluorescence resonance energy transfer (TS-FRET) mechanism, establishing a multicolor long-lifetime emission system. In addition, the material has multi-color adjustable properties and excellent long afterglow emission performance, showing great application potential in cutting-edge application fields such as multi-dimensional information encryption and high-end anti-counterfeiting.

A method for preparing 1,2-pentanediol and co-producing 2,3-epoxypentane, 2,3-epoxy-2-methylbutane, and 1,2-epoxy-2-methylbutane involves using the residual C5 from cracked ethylene as the reactant, an organic peroxide as the oxidant, and a titanium-silicon molecular sieve as the catalyst to undergo a catalytic oxidation reaction. The resulting reaction products are then separated by distillation. The residual C5 component is collected at the top of a first distillation column, and the bottom product is transferred to a second distillation column. Epoxyalkane is collected at the top of the second distillation column. The collected epoxyalkane is transferred to a third distillation column, where 1,2-epoxy-2-methylbutane and 2,3-epoxy-2-methylbutane are collected at the top, and 2,3-epoxypentane and 1,2-epoxypentane are collected at the bottom. The bottom product of the third distillation column is then subjected to an alkaline hydrolysis reaction. The mixture obtained from the alkaline hydrolysis reaction is further distilled to separate 1,2-pentanediol and 2,3-epoxypentane. This invention provides a green and environmentally friendly method for the high-value utilization of C5 residue from cracked ethylene.

The invention relates to the technical field of alkaline hydrolysis tanks, and discloses an alkaline hydrolysis tank for harmlessly treating diseased livestock through an alkalization method, the alkaline hydrolysis tank comprises an outer tank body, an inner tank body is arranged in the outer tank body, a tank cover assembly is arranged at the top of the outer tank body, and two groups of supporting turbulent flow mechanisms are distributed at the bottom of the outer side of the outer tank body in an annular array mode; the supporting turbulent flow mechanism comprises two sets of supporting columns inserted into the inner tank body from the outer side of the outer tank body, pointed cones are arranged at the ends, close to the interior of the inner tank body, of the supporting columns, and livestock is jointly supported between the two sets of pointed cones. According to the alkaline hydrolysis tank, the inner tank body can automatically drive pointed cones on the two sides to synchronously pierce and stably support a dead body in the hoisting and downward moving process through exquisite cooperation of a spiral guide groove and a long round hole, the mechanical self-locking structure fundamentally ensures that the dead body is completely immersed in alkaline liquor, reaction dead corners caused by floating are effectively eradicated, and the dead body is prevented from being damaged. And the uniformity and thoroughness of treatment are ensured.

The invention relates to a sugar-controlling and weight-losing functional food cooperatively conditioned by endogenous enzymes of processing raw materials and a preparation method thereof, and belongs to the technical field of food. The raw materials comprise 6-10 parts of white kidney beans, 4-8 parts of lucid ganoderma, 20-40 parts of black-skin and green-kernel black beans, 3-6 parts of mung beans and 40-60 parts of wheat flour / rice flour. A dual biological activation process is adopted: white kidney beans are subjected to low-temperature enzymolysis by yeast powder and probiotic soybean enzymes (1%, 25-35 DEG C) for 2-4 hours to release an alpha-amylase inhibitor, and ganoderma lucidum is subjected to weak-base hydrolysis by sodium bicarbonate (1-3%) for 2-4 hours to activate a triterpenoid glycosidase inhibitor; and performing compound fermentation on the zymolyte and the alkaline hydrolysis product for 2-4 hours, and then adding a cereal base material to activate the endogenous enzyme activity. High fiber combination (more than 15%) is used for prolonging satiety and reducing fat absorption, resistant starch (heat is only 50% of saccharides) is used for inhibiting lipid synthesis, and quadruple synergy (enzyme inhibition is more than 90% / resistant starch / low GI / high fiber) is combined, so that dual effects of postprandial blood sugar reduction and weight control are realized.

A method for hydrolyzing cellulose into sugar to produce spherical capacitive carbon for the deep utilization of biomass and carbon materials. The present disclosure includes the following steps of: (1) crude cellulose pretreatment; (2) alkaline hydrolysis of cellulose; (3) separation of the cellulose from a hydrolyzed sugar liquor; (4) drying of an alkali-containing hydrolyzed sugar; (5) sintering of spherical capacitive carbon; (6) capacitive carbon post-processing; and (7) alkali recycling. In the method, biomass is used as a raw material, high-purity cellulose and hydrolyzed sugar are obtained through deep hydrolysis, the spherical capacitive carbon is sintered with the hydrolyzed sugar instead of sucrose and starch, and alkali is recycled. Pollution and waste are not generated, and more than 80% of the alkali can be recycled.

This invention provides an extract of *Hedyotis diffusa*, its preparation method, and its uses. When the extract is measured under reversed-phase high-performance liquid chromatography, the peak area A of 6''-malonyl *Hedyotis diffusa* I is... M Peak area A with cypermethrin I B The ratio is less than 0.1, and the peak area A of free kaempferol is... K With A B The ratio shall not exceed 0.15. The preparation method includes: adjusting the pH of the aqueous extract of *Kaempferia galanga* to 11-13.5, and performing alkaline hydrolysis at 25-65°C for 20-60 minutes. This invention utilizes the difference in stability of malonyl bonds and glycosidic bonds under alkaline conditions to achieve the selective conversion of 6''-malonylkaempferol I to kaempferol I, increasing the content of kaempferol I while maintaining the integrity of the glycosidic bonds and inhibiting or controlling the formation of free kaempferol. The resulting extract can be used to prepare anti-inflammatory and antioxidant drugs or health foods.

The application discloses a mineralization treatment method of organic waste liquid, and belongs to the technical field of radioactive waste treatment. The organic waste liquid contains uranium, tributyl phosphate and diluent. The mineralization treatment method comprises the following steps: the organic waste liquid is separated through short-path molecular rectification to obtain a diluent fraction and a tributyl phosphate fraction; the tributyl phosphate fraction is reacted with alkali liquor to generate an alkaline hydrolysis product containing dibutyl phosphate salt, n-butanol, water and uranium; the n-butanol is collected through condensation reflux; and the remaining alkaline hydrolysis product is treated through two-stage oxygen-controlled incineration, so that phosphate glass and qualified flue gas are finally obtained. The mineralization treatment method has the advantages of no corrosion, short process, high-efficiency mineralization and stabilization of the waste liquid, direct disposal of the product, consideration of resource recovery and radioactive safety, and easy industrialization.

The application discloses a kind of 3-(cholic acid pentanoyl amide) cyclobutane-1,1-dicarboxylic acid purification method, belong to the technical field of pharmaceutical chemistry intermediate purification.The method includes: (1) its precursor diethyl ester is hydrolyzed in methanol and / or acetonitrile, concentrated after dissolving with water, with organic solvent extraction is discarded organic phase, water phase is adjusted to 2-4 to pH, again with organic solvent extraction, concentrated and obtained crude product;(2) the crude product is dissolved in alcohol solvent, after filtration, ester solvent is added to crystallize, alcohol ester volume ratio 1:2-1:10, filtration, washing, drying.The application removes unreacted ester, monocarboxylic acid byproduct and cholic acid analogue amide and other impurities by alkaline hydrolysis combined with "alkali dissolving acid extracting" and "alcohol dissolving-ester crystallizing" recrystallization.The product obtained by the method has HPLC purity ≥98.2%, yield ≥80%, and the process is stable, simple to operate, suitable for large-scale production.

The invention relates to a treatment method of HNIW wastewater, and belongs to the technical field of wastewater treatment. The invention provides a method for treating HNIW wastewater. The method mainly comprises the steps of physical adsorption, alkaline hydrolysis, microbial immobilization, microbial domestication and the like. Macroporous adsorption resin and fluorine-containing silane are adopted for adsorption, and the COD value can be reduced under mutual promotion of the macroporous adsorption resin and the fluorine-containing silane; meanwhile, the macroporous adsorption resin can be used as an implantation point or an attachment point of compound microorganisms, and a biological membrane can be formed on the macroporous adsorption resin.

The utility model relates to the technical field of dairy product processing, and provides a dairy product fat detection workstation which comprises a test bed, and a manipulator, a plurality of accommodating stations, a balance, an alkaline hydrolysis unit and an extraction unit which are arranged on the test bed, the plurality of accommodating stations are respectively used for accommodating various containers and bottle plugs, and the alkaline hydrolysis unit is used for extracting a to-be-detected sample, adding a first reagent into the to-be-detected sample, and oscillating, heating and cooling the to-be-detected sample; the extraction unit is used for adding a second reagent into the to-be-detected sample to obtain a mixed solution, oscillating the mixed solution, extracting an upper-layer separation solution, and heating and drying the separation solution to obtain an extracting solution; the manipulator is used for clamping the container and is also used for cooperating with the alkaline hydrolysis unit and the extraction unit to act. According to the dairy product fat detection workstation, manual operation is not needed in the whole process, the detection efficiency of fat content detection on dairy products is improved, and the labor intensity of operators is also reduced.

The present invention relates to a cremation apparatus for animals or humans, and a method for cremating animals or humans. The water cremation apparatus for animals or humans comprises a freshwater supply source (100), a first container (30) designed to contain a liquid suitable for alkaline hydrolysis of an animal or human corpse, a second container (70) designed to contain a liquid suitable for alkaline hydrolysis of an animal or human corpse, heating means (42) for heating the liquids in the first and second containers, and means for transferring hot waste liquid from the first container to the second container (70), or vice versa. The containers (30, 70) are designed to heat the liquid to a temperature of about 70 to about 100 degrees and maintain the liquid at that temperature, and are also designed to maintain a gaseous liquid at a pressure between 0.8 bar and 1.1 bar.

The invention discloses a production method and a production device of bio-based pentamethylene diamine, and the production method comprises the following steps: by taking pentamethylene diamine fermentation liquor and / or treating fluid thereof as raw materials, carrying out decarburization treatment on the raw materials to obtain decarburized liquor, and then carrying out alkaline hydrolysis treatment on the decarburized liquor to obtain alkaline hydrolysis liquor; extracting the alkaline hydrolysis solution by adopting an extracting agent and an auxiliary agent, and collecting an oil phase to obtain an extracting solution; carrying out light component removal treatment on the extract liquor, and then separating pentamethylene diamine and the extracting agent through rectification to obtain high-purity pentamethylene diamine; and enabling the raffinate to pass through a crystallization evaporation system to obtain crystal salt and organic fertilizer. The continuous industrial production of pentamethylene diamine can be realized, pentamethylene diamine can be transferred to an oil phase by extracting through the multi-component extraction agent and the auxiliary agent, emulsification entrainment in the oil phase is controlled, salt is prevented from entering the oil phase, equipment and pipeline blockage caused by salt precipitation in the subsequent refining process is avoided, and the production efficiency is improved. The high-purity pentamethylene diamine product is prepared by rectifying the oil phase, so that huge energy consumption in a water distillation and concentration process of a traditional method is avoided.

The application provides a preparation method and application of bovine collagen peptide, and belongs to the technical field of collagen peptide; the preparation method comprises the steps of freeze-thaw-microwave treatment, alkaline hydrolysis, enzyme hydrolysis 1, enzyme hydrolysis 2, enzyme hydrolysis 3, enzyme hydrolysis 4 and antiseptic filtration; in the freeze-thaw-microwave treatment step, bovine skin powder is added into a mixed solution, stirred uniformly, and then soaked for 15-20 min; the mixed solution is placed in a sealed container for freeze-thaw treatment, frozen at-24 to-20 DEG C for 5-6 h, naturally thawed, and then the freeze-thaw treatment is repeated for 1-2 times; the water content is controlled to be 50-52 wt %, and wet material is obtained; the wet material is placed into a microwave device for microwave treatment, and the temperature of the wet material is controlled to be lower than 55 DEG C, so that freeze-thaw-microwave treated bovine skin powder is obtained; the product obtained by the method has high polypeptide content, and when the product is applied to soybeans, potatoes and lettuce, the yield and quality can be effectively improved.