59 results about "Extraction Purification" patented technology

The utility model relates to plant extraction technical field discloses a kind of plant exosome extraction and purification machine, including bottom plate, the left side fixedly connected with bracket of bottom plate, the output end fixedly connected with multiple blades of motor one, the outer wall of wall breaking box is connected with filter box, the inner wall fixedly connected with multiple activated carbon plate of filter box, the bottom of filter box is connected with burette, the outer wall fixedly connected with piston of burette, the top fixedly connected with fixed mechanism of bottom plate, the fixed mechanism is used for fast installation.In the utility model, open motor one, blade breaks the wall of plant, activated carbon plate filters out residue and pigment, piston adjusts the flow rate and dosage of juice, let juice drop into mixed test tube, simplify the operation of early separation filtering of plant solvent, reduce the time cost of experiment, improve the efficiency of extraction and purification, increase practicality, expand the scope of application.

The invention belongs to the technical field of plant active component extraction and purification, and particularly provides a plant extract purification method based on a deep-eutectic solvent. A plant extract purification method based on a deep-eutectic solvent comprises the following steps: firstly, crushing and grinding a plant to be extracted to obtain fine powder, then heating and uniformly mixing choline chloride, modified amino acid and lewis acid to prepare the deep-eutectic solvent, then mixing the fine powder, the deep-eutectic solvent and water according to a certain solid-to-liquid ratio, and uniformly mixing to obtain the plant extract based on the deep-eutectic solvent. And carrying out ultrasonic extraction at a certain temperature to obtain an extracting solution, and finally purifying. According to the method, the saponin component in the soapberry can be effectively extracted, the saponin yield is high, and the purity is high.

The invention provides a pulullan refining method, which belongs to the technical field of biology, and specifically comprises the following steps: fermenting a microbial strain for producing pulullan to obtain fermentation liquor, and sterilizing and decoloring the fermentation liquor to obtain a crude pure extracting solution; carrying out a membrane process and a resin process on the obtained crude pure extracting solution to obtain a refined pure solution; the pore diameter of the membrane material is 500-1000Da; according to the method disclosed by the invention, it is found for the first time that the pullulan is extracted and purified by using a small-aperture nanofiltration membrane and is matched with resin adsorption, so that the purification effect can be achieved, the purity of the product is improved, and the yield of the product is also obviously improved.

The invention provides a method for detecting the content of organic acid in super-heavy oil, which comprises the following steps of: 1) separating the super-heavy oil: centrifuging by using a high-speed centrifuge, collecting and combining an upper crude oil phase; 2) organic acid extraction: extracting with normal hexane-cyclohexane for multiple times, and extracting with dichloromethane to obtain an organic acid component; the method comprises the following steps of 1, extracting the organic acid in the super-heavy oil, 2, extracting the organic acid in the super-heavy oil, 3, purifying the organic acid through a chromatographic column to obtain a purified organic acid component, and 4, detecting the organic acid through an ultra-high performance liquid chromatography-mass spectrometer.The organic acid in the super-heavy oil is extracted and purified through super-heavy oil separation, organic acid extraction and organic acid purification, the chromatographic column is not polluted, and detection is accurate.

The invention discloses a preparation process of an ovateleaf holly bark total saponin bulk drug, and particularly relates to the field of traditional Chinese medicine extraction and purification, the preparation process comprises the following steps: S1, extraction: crushing an ovateleaf holly bark medicinal material, and carrying out reflux extraction by using an ethanol aqueous solution as a solvent to obtain an ovateleaf holly bark crude extract; and S2, purification: carrying out solid-liquid separation on the crude ovateleaf holly bark extract, and purifying the filtrate through a recrystallization process and a macroporous resin adsorption process in sequence to obtain the ovateleaf holly bark total saponin bulk drug. According to the invention, an effective component group of ovateleaf holly bark for treating ulcerative colitis is taken as a target, the effective component group comprises syringin, pedunculoside and ziyuglycoside II, and a complete extraction-purification integrated process is constructed; through an orthogonal test, a comprehensive weighted scoring method is combined, and extraction parameters are scientifically optimized, so that the transfer rate of the three functional components is maximized, the extraction efficiency is high, and the pertinence is extremely high.

The wastewater treatment system according to an embodiment of the present invention is used for treating wastewater containing a sodium sulfate solution, and comprises: an electrodialysis device for separating the sodium sulfate solution of the wastewater into a first solution containing sulfate ions, a second solution containing sodium ions, and circulating wastewater from which sodium sulfate has been removed; a first membrane distillation device that extracts purified water from the first solution in order to concentrate the first solution; and a second membrane distillation device that extracts purified water from the second solution in order to concentrate the second solution. According to the wastewater treatment system disclosed by the embodiment of the invention, salt compounds and other harmful ions in the wastewater can be selectively separated through the electrodialysis device so as to effectively separate a high-concentration ionic solution. Therefore, not only can substances after wastewater treatment be recycled to the maximum extent, but also the environmental harmfulness of salt compounds can be greatly reduced.

The invention provides a method for intensively extracting and purifying 5N-grade high-purity cobalt and nickel through ionic liquid, and belongs to the technical field of non-ferrous metal separation and purification. According to the method, the specific ionic liquid is selected as the extraction medium, matched with the synergistic extraction agent and combined with the micro-channel reactor to achieve efficient mass transfer, the Co / Ni and Mn / Cu separation coefficient can be remarkably increased, the ionic liquid recovery rate is increased, the 5N-grade high-purity cobalt-nickel product is finally obtained, and the process is easy for large-scale continuous production and has a wide application prospect. The defects of poor Mn and Cu impurity separation selectivity, high solvent loss rate and low process efficiency in the existing Co / Ni paragenic ore extraction and purification process are overcome. And meanwhile, the impurity separation selectivity is remarkably improved, the solvent loss is reduced, the process is efficient and environmentally friendly, the method is suitable for large-scale industrial production of high-purity cobalt and nickel, and key raw material guarantee is provided for the fields of new energy, electronic information and the like. The result of the embodiment shows that the cobalt and the nickel obtained by the invention both meet the 5N-level requirement.

The application relates to the technical field of preparation of shuganbin, and discloses a shuganbin rapid extraction and purification device and process.The device comprises a lower jar body, a filter disc, an assembling rod rotatably installed on the filter disc, an extrusion roller for extruding and dispersing raw materials rotatably installed on the assembling rod, and a transmission assembly; after the filter disc is lifted, the assembling rod is docked with the stirring shaft through the clamping assembly, the stirring shaft rotates to drive the assembling rod to rotate synchronously, the transmission assembly drives a plurality of dispersing wheels to rotate, the plurality of dispersing wheels can disperse the raw materials on the filter screen, then the extrusion roller rotates to the raw materials dispersed by rolling, the solution infiltrated in the shuganpi raw materials after filtration can be extruded, the solution most fully combined with the shuganpi raw materials can be fully extracted, the problem that the solution is wasted and the shuganbin cannot be fully extracted due to the direct removal of the solution after filtration is avoided, and the extraction efficiency of the shuganbin is greatly improved.

The invention discloses an extraction process of chaste tree twig oil in the technical field of plant essential oil extraction. An ethanol aqueous solution is adopted for extraction, ultrasonic treatment and a composite enzymolysis technology are combined, the chaste tree twig cell structure is effectively destroyed, and the grease extraction rate is remarkably increased. And then selectively adsorbing impurities in the extracting solution by using a specially-made cobalt ferrite-deep eutectic solvent-biochar magnetic composite material, and realizing rapid separation through an external magnetic field. And the alkalescent ethanol water solution is adopted for elution, so that the structure stability of the deep eutectic solvent is protected while impurities are effectively desorbed. And finally, carrying out rotary evaporation and column chromatography refining to obtain the high-quality vitex negundo oil. The process integrates various extraction and purification technologies, has the advantages of high extraction efficiency, mild operation conditions, small environmental pollution and the like, and is particularly suitable for efficient extraction and refining of the vitex negundo oil.

The invention belongs to the field of analytical chemistry and food safety detection, and discloses a fish oil plasticizer liquid chromatography-tandem mass spectrometry detection method, which is characterized in that a target molecule is structurally modified through a specific chemical derivatization reagent, and the electrospray ionization efficiency is remarkably improved, so that a mass spectrometry response signal is enhanced; solid-phase extraction purification and high-performance reversed-phase chromatography separation are combined, so that effective removal of matrix interference and synchronous detection of various plasticizers are realized; the method does not need a complex solvent system, and is simple in operation flow and good in reproducibility; the detection limit reaches ppb level, the linear range is wide, the method is suitable for conventional and high-throughput detection of the plasticizer in fish oil and fish oil products, and a sensitive and reliable analysis tool is provided for quality safety assessment of related products.

The invention discloses a method for preparing high-purity phycocyanin by coupling supercritical extraction with aqueous two-phase extraction, which comprises the following steps: pretreatment of raw materials: pretreating spirulina powder, and centrifuging to obtain a phycocyanin crude extract; carrying out supercritical CO2 impurity removal: filling the phycocyanin crude extract obtained in the previous step into a supercritical extraction device, carrying out static extraction, and collecting an orange extract rich in carotenoid; then pumping ethanol as a carrying agent, carrying out dynamic extraction, and respectively collecting chlorophyll components and wet algae residues; and two-aqueous-phase extraction purification and post-treatment: purifying the treated wet algae residues by adopting a two-aqueous-phase extraction method, dialyzing by adopting a dialysis bag, and carrying out vacuum freeze drying to obtain a pure product. The phycocyanin distribution selectivity is remarkably improved, and the method is environmentally friendly and efficient; the time is shortened by about 93% compared with that of a traditional method, the phycocyanin purity is stable and is larger than or equal to 4.0, the production cost is greatly reduced, and the method is suitable for large-scale production.

The invention provides a topiramate cleaning chemical residue detection method and kit.The method comprises the steps that sampling is conducted in a specified area to obtain a sample, and the sampling step comprises wiping sampling and / or washing sampling; the method comprises the following steps: adding a mixed extraction solvent into a sample for extraction, filtering an extraction solution, adjusting the extraction solution to alkalescence, and adding a derivatization reagent for reaction to obtain a purified solution to be detected; the purified liquid to be detected is injected into a chromatographic detection system for quantitative detection, a detection result is output, and the detection step comprises chromatographic separation and signal response analysis. Accurate detection and limit judgment on topiramate residues on the surface of equipment are realized through standard sampling, extraction purification and derivatization enhanced response and in combination with chromatographic quantitative analysis, so that collinear production pollution and cross contamination risks of medicines are effectively controlled.

The present application relates to the technical field of traditional Chinese medicine extract, and particularly relates to a method for extracting artabotrine from atractylodes lancea, comprising the following steps: S1, subjecting atractylodes lancea to enzymatic hydrolysis treatment to obtain an enzymatic hydrolysis mixture; S2, subjecting the enzymatic hydrolysis mixture to aqueous two-phase extraction treatment to obtain an extraction liquid; the aqueous two-phase extraction treatment adopts a mixed solution composed of ethanol with a mass fraction of 8-13% and sodium dihydrogen phosphate with a mass fraction of 25-30%; the solid-liquid ratio of the enzymatic hydrolysis mixture and the mixed solution is 1g:(16-24)mL; S3, subjecting the extraction liquid to concentration treatment to obtain an extract, then dissolving the extract with petroleum ether and performing gradient elution through liquid chromatography to obtain artabotrine. The extraction and purification method of the present application can effectively, mildly and efficiently extract artabotrine from atractylodes lancea, and has high extraction purity, high yield, simple process flow, short time consumption and low production cost.

The invention provides a method for uniformly preparing an aluminum-scandium alloy, and relates to the technical field of aluminum-scandium alloy preparation. The method comprises the following steps: carrying out alkaline leaching on the aluminum-scandium enrichment to obtain a sodium metaaluminate solution and scandium-rich slag; performing a seed precipitation method on the sodium metaaluminate solution to obtain aluminum hydroxide; the scandium-rich slag is subjected to normal-pressure acid leaching through sulfuric acid, and scandium-rich liquid is obtained; extracting and purifying the scandium-rich solution to obtain a pure scandium sulfate solution; dissolving aluminum hydroxide in a pure scandium sulfate solution according to a certain aluminum-scandium ratio to obtain an aluminum scandium sulfate solution; adding sodium hydroxide into the aluminum scandium sulfate solution for precipitating aluminum and scandium to obtain aluminum scandium hydroxide; calcining the aluminum hydroxide scandium at high temperature to obtain aluminum oxide scandium; cryolite is added into the aluminum oxide scandium, and the aluminum-scandium alloy is obtained through high-temperature electrolysis. The method has the advantages of efficient and simple process flow, low investment, low cost, no discharge of a large amount of wastewater, greenness, low carbon, environmental protection and the like, has huge social and economic values, and is beneficial to industrial large-scale application and popularization.

This invention relates to the field of wastewater treatment and zero-discharge technology, providing an in-situ coupled synergistic system for hardening removal and resource utilization. The system includes a hardening removal process section and a concentration and desalination process section connected in sequence. The hardening removal process section removes hardness from water, while the concentration and desalination process section extracts and purifies inorganic salts from the water, with the inorganic salts serving as the desorbent and / or precipitant in the hardening removal process. The hardening removal process section includes a hardness adsorption module and a desorption module. The hardness adsorption module extracts hardness from the incoming water. The desorption module is connected to the hardness adsorption module and desorbs the hardness adsorption module, restoring the adsorption function of the adsorbent in the hardness adsorption module. The hardness adsorption module consists of hardness adsorption components filled with a hardening adsorbent, and these components have a columnar structure. This invention couples adsorption technology with desalination and purification technology, synergizing with particle membrane filtration technology to shorten the process flow and achieve waste resource utilization.

This invention discloses a method for extracting and purifying lutein extract based on a composite solvent system, specifically relating to the field of natural product separation and extraction. The method involves mixing a crude extract containing lutein esters from marigold with a first composite solvent system. This allows lutein esters, oils, and resinous impurities in the crude extract to enter the liquid phase. Waxes are then precipitated by lowering the system temperature, resulting in a dispersion system containing the precipitated waxes. The first composite solvent system consists of a first organic solvent and a second organic solvent. By first introducing lutein esters, oils, and resinous impurities into the liquid phase in the first composite solvent system, then allowing the waxes to precipitate and separate, and subsequently transferring the lutein esters to a lutein ester-enriched phase, lutein can be separated from major accompanying impurities before entering the saponification and purification processes. This relatively reduces the burden on subsequent processes and alleviates issues such as slow stratification, increased entrainment, and batch fluctuations.

The utility model discloses a perfluorinated sulfonic acid resin refining and purifying device, which belongs to the technical field of purification and comprises a purifying tank, a top cover is arranged at the upper end of the purifying tank, a feed port is arranged on the top cover, a support is mounted on the top cover, a stirring motor is fixed on the support, a stirring frame is arranged in the purifying tank, and an ultrasonic interface sensor is mounted on the top cover. By arranging the upper-layer light liquid extraction structure, a servo motor, a lead screw and other structures, the height of an installation assembly can be adjusted, then a lifting suction pipe is driven to move, the end of the lifting suction pipe can be ensured to be close to the interface of two kinds of extracted and purified liquid in cooperation with an ultrasonic interface sensor, the suction accuracy is ensured, and the extraction efficiency is improved. The screw rod and the adjusting rod have the self-locking effect, the stability after adjustment can be guaranteed, the suction effect is guaranteed, the lifting suction pipe is installed through the installation assembly, and the initial height of the lifting suction pipe can be adjusted.

The invention relates to the field of radix cynanchi bungei polysaccharide extraction and purification, and particularly discloses a coastal radix cynanchi bungei polysaccharide extraction and purification device which comprises a stirring and mixing tank, the bottom of the stirring and mixing tank is connected with a first conveying pipeline, the other end of the first conveying pipeline is connected with a vibration screening tank, and the bottom of the vibration screening tank is connected with a second conveying pipeline. Impurity separation is enhanced through multi-stage vibration screening and anti-blocking design, the vibration screening tank is of a layered filtering structure with a first-stage screen plate and a second-stage screen plate, high-frequency vibration is matched, and the multi-stage vibration screening and anti-blocking design is adopted, so that the multi-stage vibration screening and anti-blocking design is achieved, and the multi-stage vibration screening and anti-blocking design is achieved. Large-particle residues and fine impurities can be removed step by step; the scraping plate cleans the sieve plate, the blockage rate of sieve pores is reduced, the subsequent purification burden is relieved, the purity of crude extract is improved, and the problems of poor screening effect and easy blockage are solved; the purification reaction is accelerated through the coaxial reverse paddle stirring mechanism, the mixing time is shortened, and the problem of low purification efficiency is solved.

The application belongs to an extraction and purification process, and discloses a capsaicin extraction and purification method. The method comprises the following steps: mixing crushed chili powder with a composite enzyme, dispersing the mixture in a plasma active eutectic solvent, and simultaneously performing enzymolysis, extraction and purification; after extraction, centrifuging and collecting the supernatant, and freeze-drying after concentration. The application performs targeted extraction and purification by preparing and applying a plasma active eutectic solvent with high selectivity for capsaicin, and the purity of the extract is high. The yield and purity of capsaicin extracted by the method are 222.04% and 36.36% higher than those of 70% (v / v) ethanol extraction, respectively, and the use of a large amount of organic reagents is avoided, which meets the requirements of green chemistry and is conducive to the industrialized production and application of capsaicin.

The utility model relates to an extraction and purification device for green synthesis of chloramine, which belongs to the technical field of extraction equipment and comprises an extraction tank, a feed pipe, an extraction agent inlet pipe, a stirring shaft, a stirring impeller, a stirring motor, a three-way pipe I, a material receiving tank, a recovery tank, a discharge pipe, a circulating pipe, a circulating pump and a premixing box, a distribution cone disc is fixed to the lower portion in the premixing box, distribution holes are evenly formed in the distribution cone disc, the other end of the circulating pipe is connected to the top of the premixing box, and an outlet of the circulating pipe faces the top of the distribution cone disc. Separating liquid can enter the recycling tank after primary extraction, then the separating liquid is pumped into the extraction tank again through the circulating pipe and the circulating pump for next extraction, automation is achieved, labor intensity is reduced, efficiency is improved, in addition, a mixture and an extracting agent which are fed initially, and the circulating separating liquid and the extracting agent can be distributed and premixed in the premixing box, and the efficiency is improved. Mixing is accelerated and the extraction efficiency is improved.

The utility model belongs to the technical field of purification devices, and particularly relates to a medical intermediate purification device which comprises a centrifugal extraction purification tank, a support is fixedly connected to the outer wall of the centrifugal extraction purification tank, a discharging pipe is arranged at the bottom of the centrifugal extraction purification tank, and a communicating box is fixedly connected to the side wall of the top of the centrifugal extraction purification tank. And the communicating box is connected with a raw material pipe and an extraction pipe. Through the atomization nozzles at the front ends of the raw material pipe and the extraction pipe, the contact area of the raw material and the extraction agent is increased, the extraction efficiency is improved, the unique stirring structure is adopted, the four rings of stirring blades on the stirring monomer are opposite pairwise, and the stirring diameter is sequentially increased from top to bottom, so that the materials can be fully mixed in all directions, and the mass transfer effect is enhanced; due to the conical design of the bottom of the centrifugal extraction and purification tank, materials can be conveniently gathered and discharged, stable support is provided for the stirring monomer, the whole device is reasonable in structure, the purification effect of the medical intermediate is effectively improved, and the product quality is guaranteed.

The utility model relates to the field of nucleic acid purification, and discloses a nucleic acid extraction and purification device which comprises a purification machine, the top of the purification machine is electrically connected with a display screen, the bottom of the purification machine is fixedly connected with a plurality of supporting pads, one side of the purification machine is rotatably connected with a rotating shaft, and a plurality of liquid guide assemblies are arranged in the purification machine. A box door is rotatably connected to the outer wall of the rotating shaft, an observation window is formed in the box door, a handle is fixedly connected to one side of the box door, a plurality of fixing columns are fixedly connected to one side of the purifier, and a fixing assembly is arranged in each fixing column. According to the utility model, firstly, the handle is held to lift the box door upwards, and when the box door is completely closed, the fixing pin is popped out under the action of the spring I, so that the effect of easily opening the box door is achieved, and the problem of solution purification failure caused by complex opening of the box door due to failure of internal equipment is avoided; therefore, the high efficiency of the nucleic acid extraction and purification device is improved.

The invention discloses a waste heat recycling system in the cobalt extraction, purification and iron removal process and application of the waste heat recycling system, and the process application process of the whole device is as follows: after a solution from an iron-removed liquid is pumped to a waste heat exchange plate for exchange, heat is transferred to chilled water on the evaporation side of a heat pump unit; the temperature of chilled water on the evaporation side of the heat pump is increased through waste heat from the iron-removed liquid; the heat pump transfers heat to the heat pump condenser side through a refrigerant medium; the temperature from the evaporation side of the heat pump and the heat of a heat pump compressor increase the temperature of circulating water on the condenser side of the heat pump; and the cobalt raw material leachate is heated by circulating water from a heat pump condenser side through heat supply plate exchange. And the iron-removed liquid enters an extraction process due to the fact that heat is taken away and the temperature is reduced, the waste heat of the iron-removed liquid is recycled for heating the cobalt raw material dissolving solution through the technology, and the processing cost of cobalt extraction is reduced.

The invention discloses a sodium alginate coating film and a preparation method thereof in the technical field of coating film materials. The sodium alginate coating film is formed by crosslinking sodium alginate derived from seaweed or seaweed and soluble calcium. The preparation method comprises the following two steps: sodium alginate extraction and coating preparation: firstly, extracting sodium alginate powder from seaweed or sea grass through raw material pretreatment, alkali liquor extraction and purification treatment; and dissolving the powder in cold water to prepare a coating liquid, coating the coating liquid on the surface of paper, drying, immersing into a calcium solution, cross-linking, and drying again to obtain the sodium alginate coated paper product. The covering film is prepared from food-grade natural raw materials, has no chemical substance migration risk, can be completely degraded, has toughness equivalent to that of a traditional plastic covering film and good water resistance, oil resistance and high temperature resistance, is wide in raw material source and simple in preparation process, is suitable for various paper products such as paper boxes for food, and has wide application prospects. The problems that a traditional plastic film pollutes the environment, harms human health and is difficult to recycle are solved.

The application discloses a rice gene expression and function verification integrated detection device, which comprises a box body, a liquid nitrogen freezing assembly for freezing rice is installed in the box body, a gene extraction assembly for extracting rice genes is installed in the box body, and a gene detection assembly for detecting and verifying rice genes is installed at the top of the box body; a plurality of steps such as liquid nitrogen freezing, sample grinding, nucleic acid extraction, purification and qPCR detection are integrated, full-process automatic operation is realized through a control module, manual frequent intervention is not needed, human operation errors are greatly reduced, the accuracy and repeatability of detection results are improved, a high-concentration saline solution is combined, a low-salt elution process design is adopted, automatic magnetic bead adsorption and cleaning processes are combined, interference substances such as proteins and impurities in samples are effectively removed, the nucleic acid purity can reach more than 95%, the recovery rate can reach more than 85%, and the reliability of gene expression and function verification results is ensured.

The utility model discloses a continuous extraction and purification device for composite natural green pigment, which comprises a treatment tank, the surface of the treatment tank is fixedly connected with a support frame, the top surface of the treatment tank is fixedly connected with a tank cover, the inner wall of the tank cover is fixedly connected with a crushing box, and the inner wall of the treatment tank is fixedly connected with a discharge pipe. The extraction mechanism is used for filtering and separating pigment liquid and raw material residues; the driving mechanism is started to drive the fixed shaft and the purification assembly to rotate and stir the pigment liquid; meanwhile, the purification assembly is started to evaporate and purify the pigment liquid, and meanwhile, the pigment liquid is prevented from adhering and remaining; after purification is completed, the electromagnetic valve is opened, and pigment liquid can be discharged through the discharging pipe, so that the aim of conveniently and continuously extracting and purifying the composite natural green pigment is achieved, and the problem that the production and processing efficiency of the pigment is greatly reduced due to the fact that existing pigment extraction and purification are performed in different procedures is solved.

The fermentation tank with the tail gas purification device comprises an assembly support, assembly rotating shafts are rotatably connected to the two sides of the inner wall of the assembly support, a fermentation tank body is fixedly connected between one ends of the two assembly rotating shafts, an assembly motor is fixedly connected to the side wall of the assembly support, and the assembly motor is fixedly connected to the side wall of the assembly support. The output end of the assembly motor penetrates through the assembly bracket and is fixedly connected with one of the assembly rotating shafts, and the back surface of the fermentation tank body is fixedly connected with a discharge pipe. According to the waste gas treatment device, the second water pump drives the first movable pipe to pump waste liquid in the purification shell, so that the waste liquid is discharged into the treatment shell through the second movable pipe, then waste gas which is not fully purified is discharged into the inner bottom of the treatment shell and is filtered again through the waste liquid, and then the exhaust valve on the exhaust pipe is started; the filtered gas is discharged, and the tail gas is fully and thoroughly purified, so that the use effect is improved.

The invention belongs to the technical field of thymol preparation, and particularly relates to a multi-stage alkali washing counter-current extraction and purification method for a thymol synthetic crude product. Comprising the following steps: preparing a thymol crude product through Friedel-Crafts alkylation reaction, diluting with an organic solvent, adding water and separating an oil-water phase to obtain liquid acid with relatively high concentration, carrying out alkali washing to obtain an alkaline phenate aqueous solution, layering multi-stage mixed oil and water, neutralizing, crystallizing and refining to obtain the thymol. According to the purification method, water washing is directly used, an acid catalyst which is high in concentration and easy to post-treat can be recycled with a small amount of water, the problem that the environmental protection pressure is large when thymol is synthesized through a liquid acid catalysis method is solved, a low-cost liquid phase method has a practical space, the technical threshold of synthesis and separation steps is lowered, and the method is suitable for industrial production. The industrial production of the thymol is facilitated.

This utility model discloses a chlorogenic acid extraction, purification, and filtration device, relating to the field of chlorogenic acid production technology. It includes a cylindrical body with a funnel-shaped lower end pointing downwards. A filter plate is fixedly installed inside the cylindrical body. A rotating shaft is coaxially mounted inside the cylindrical body, with a lifting mechanism at its upper end. A pressure plate is fixedly connected to the lower end of the rotating shaft, and the pressure plate is slidably connected to the inner wall of the cylindrical body. Multiple extrusion blocks are fixedly installed at the lower end of the pressure plate. Each extrusion block is a right-angled trapezoid with its smaller end pointing downwards, and the multiple extrusion blocks are evenly distributed along the circumference of the pressure plate. The beneficial effects are: the pressure plate descends and extrudes the raw material, while the rotating shaft drives the multiple extrusion blocks to rotate through the pressure plate, causing the inclined surfaces of the extrusion blocks to flatten the upper end of the raw material, facilitating even force distribution during downward pressure. As the volume of the raw material decreases, the lifting mechanism continues to drive the pressure plate downwards, while the rotating shaft drives the extrusion blocks to rotate and crush the raw material, thereby pushing the raw material and preventing it from adhering to the filter plate, further expelling the juice from the raw material.

This utility model discloses an extraction and purification device for ganoderic acid, belonging to the field of medicinal material processing technology. It solves the problem that unmelted ganoderic acid particles easily accumulate on the surface of the filter membrane of existing devices, and the surface of the particles easily adsorbs ganoderic acid solution, leading to waste of ganoderic acid solution. The device includes a filter box with a cover fixedly installed on the top surface and a connecting pipe fixedly connected to the bottom surface of the filter box. The connecting pipe is connected to a preparative chromatography device. The filter box contains a filter assembly, which includes a motor, a filter cylinder, and a liquid inlet pipe. The filter cylinder is hollow inside and has a liquid inlet hole in the middle of the right end face. Ganoderic acid solution is added to the inside of the filter cylinder through the liquid inlet pipe. The motor drives the filter cylinder to rotate, which can throw out the ganoderic acid solution inside the filter cylinder and adhering to the ganoderic acid particles, so as to fully filter out the ganoderic acid solution and avoid waste of ganoderic acid solution.