1400results about "Solid solvent extraction" patented technology

The utility model discloses a lucid ganoderma extract preparation device, which comprises a crushing device, a second crushing device and a third crushing device, the crushing device comprises a first crushing tank, a first driving motor is arranged at the upper end of the first crushing tank, a first rotating shaft is arranged at the lower end of the first driving motor, and a first crushing blade is arranged at the lower end of the first rotating shaft; the dissolving device comprises a first dissolving tank, a second driving motor is arranged at the upper end of the first dissolving tank, a second rotating shaft is arranged at the lower end of the second driving motor, and a first stirring paddle is arranged at the lower end of the second rotating shaft; the evaporation device comprises a first evaporation tank, and a heating evaporation mechanism is arranged in the first evaporation tank. The lucid ganoderma extract preparation device provided by the utility model is simple in structure and high in temperature, lucid ganoderma is firstly crushed, then dissolved and finally evaporated and extracted through treatment of the crushing device, the dissolving device and the evaporating device in sequence, the lucid ganoderma extract is prepared, the production speed is higher, and the preparation efficiency is better.

The invention relates to a method for extracting and separating polyether polyol in waste salt slag by a water-based method, and belongs to the technical field of separation and purification. The method comprises the following steps: (1) slurrying extraction: mixing polyether polyol salt slag with water according to a certain mass ratio, and carrying out slurrying extraction under a stirring condition to obtain oil-water-salt mixed slurry; (2) performing centrifugal separation to obtain an oil-water mixture rich in polyether polyol; (3) demulsifying and layering to obtain a polyether polyol phase; and (4) refining and purifying: dehydrating the polyether polyol phase to obtain a recycled polyether polyol product. According to the method, water is used as an extraction solvent, so that the use of toxic and flammable organic solvents is completely avoided, the safety and health hidden dangers are fundamentally eliminated, and secondary organic pollution is avoided. By optimizing parameters such as the temperature and the liquid-solid ratio of extraction water and combining centrifugal separation, the polyether polyol can be efficiently extracted and separated from the thick salt slag, and the recovery rate can reach 95% or above.

The present invention relates to a dandelion active component extraction process optimization method based on an I-WO-SVR model. The method comprises: acquiring factors to be predicted, wherein said factors comprise the ethanol concentration, ultrasonic time, ultrasonic temperature and ultrasonic power; and inputting said factors into an I-WO-SVR model, so as to acquire the extraction rate of chlorogenic acid from dandelion flowers and stems, wherein the I-WO-SVR model is obtained by using a training set to train a support vector regression (SVR) prediction model and using an improved walrus optimizer (I-WO) to optimize a penalty parameter and a nuclear parameter of the SVR prediction model, and the training set comprises original factors and chlorogenic acid extraction rates corresponding to the original factors. The present invention combines modern artificial intelligence technology with the field of traditional Chinese medicine to design a Chinese medicinal material active component extraction optimization method, has broad application prospects, and can provide new ideas for Chinese medicine extraction and intelligent industrial production thereof.

The invention belongs to the technical field of active substance extraction, and discloses a method for extracting boxthorn leaf total flavonoids through an ultrasonic-assisted deep-eutectic solvent and application of the boxthorn leaf total flavonoids. Heating and mixing the hydrogen bond acceptor and the hydrogen bond donor, stirring to be transparent, and adding water to reduce viscosity to obtain the eutectic solvent; mixing the boxthorn leaf powder with a deep-eutectic solvent, performing ultrasonic extraction and centrifugation, and collecting supernate; adsorbing by using macroporous resin, washing and desorbing to obtain an eluent; and performing vacuum freeze drying to constant weight. According to the method disclosed by the invention, the eutectic solvent with low melting point and strong solubility is selected, the flavonoid compounds in the boxthorn leaves are green and efficiently extracted, and the total flavonoid content of the boxthorn leaves obtained by taking the eutectic solvent as an extraction solvent is 123.94 + / -1.04 mg / g and is far higher than the total flavonoid content of the boxthorn leaves obtained by traditional ethanol extraction by 64.60 + / -0.87 mg / g; the method is good in safety, short in time consumption and high in extraction rate.

The invention relates to the technical field of polyphenol extraction, and provides a green pear polyphenol extraction method which comprises the following steps: performing steam explosion treatment on pear residue dry powder, and then infiltrating and activating by using an aqueous solution containing L-malic acid; adding betaine and D-gluconic acid into the first part of ultrapure water to prepare a deep eutectic solvent; mixing the eutectic solvent with a second part of ultrapure water to prepare a composite extracting agent; putting the infiltrated and activated raw materials and a composite extracting agent into an extraction device to obtain an extracting solution; carrying out solid-liquid separation on the extracting solution to obtain a clear solution; and adsorbing the clarified liquid through macroporous adsorption resin, then eluting with an ethanol water solution, collecting polyphenol-rich eluent, and carrying out spray drying to obtain the pear polyphenol extract. According to the technical scheme, the quality of an extracted product is improved, and polyphenol oxidation and thermal degradation are reduced; meanwhile, the product storage stability is improved, the phenomena of wall sticking and caking of powder are reduced, and the product yield and physical properties are guaranteed.

The invention discloses an extracting agent for decolorizing a waste PET (Polyethylene Terephthalate) raw material and a decolorizing process, and belongs to the technical field of recycling of waste PET. The extraction agent comprises a main extraction agent and an auxiliary extraction agent, the main extraction agent is oleic acid, and the auxiliary extraction agent is determined according to the dye type in the waste PET raw material; the decolorizing process comprises the following steps: crushing a waste PET raw material into PET particles, mixing the PET particles with an extracting agent, carrying out preliminary decolorizing, and then filtering, washing and drying to obtain preliminarily decolorized PET particles; mixing the preliminarily decolored PET particles with water, adjusting the pH value to 4-5 by using dilute acid, then adding a hydrogen peroxide solution and a Fe-based composite catalyst, carrying out a stirring reaction at 50-80 DEG C for 0.5-2 h to carry out deep oxidation decoloring, and then carrying out filtering, washing and drying so as to obtain the deeply oxidized and decolored particles. According to the method, preliminary decoloration and oxidation decoloration are carried out before PET alcoholysis, so that dye, printing ink and the like in the PET raw material are removed as far as possible, and the BHET finished product obtained through alcoholysis can meet the requirements of high purity and high color value.

The invention relates to the technical field of cosmetics, in particular to a composition for promoting skin microcirculation as well as a preparation method and application thereof, and the key point of the technical scheme is that the composition consists of the following components: rhizoma bletillae, motherwort, poria cocos, moutan bark, ginseng, peach blossom and lotus. According to the composition, the deep-eutectic solvent is combined with a micro-jet extraction technology, so that the extraction efficiency of active ingredients such as flavonoids is remarkably improved, and functional ingredients for resisting oxidation, resisting aging and promoting blood circulation are effectively reserved. According to the composition disclosed by the invention, the comprehensive effects of improving skin microcirculation, relieving dark skin color and delaying senescence are systematically realized by efficiently extracting active substances, activating a microcirculation core pathway and cooperating with coherent effects of a whitening and repairing mechanism.

The invention relates to the field of plant extracts and daily chemicals, in particular to preparation and application of a penthorum chinense pursh leaf and stem extract with acne removing and oxidation resisting effects. The preparation method of the extract comprises the following steps: taking a penthorum chinense leaf and stem dry product, carrying out heating extraction or ultrasonic crushing extraction by taking water as a solvent, carrying out purification and impurity removal or filtration and impurity removal by using a chitosan quaternary ammonium salt-sodium alginate combined biological flocculation method, taking supernate, carrying out vacuum concentration, and carrying out spray drying, so as to obtain the penthorum chinense leaf and stem extract. The content of the quercitrin in the index component is more than or equal to 16mg / g. The effect of the invention is extracted from the characteristic medicinal and edible plant penthorum chinense pursh in China, is high in safety, has obvious acne-removing and anti-oxidation effects, and is a novel functional cosmetic plant raw material with excellent application prospect.

The invention provides a cola production process-oriented Chinese herbal medicine active component deep learning optimization extraction control method, and belongs to the technical field of adaptive control systems. The method comprises the following steps: establishing a staged sequential extraction model, and respectively designing distillation and water decoction processes for volatile and non-volatile components; a hybrid intelligent controller based on LSTM and a feedforward neural network is constructed, and real-time optimization control of process parameters is realized; designing a multi-objective comprehensive reward function, fusing extraction efficiency, product quality, energy consumption and taste indexes, and performing model training through reinforcement learning; a layered online detection system is configured, and dynamic monitoring and data fusion of key indexes are achieved; executing staged sequential optimization control, and adjusting process parameters based on real-time data to realize efficient extraction of active components; and establishing an edge and cloud collaboration mechanism, and continuously optimizing a control strategy through federal learning. According to the method, the extraction efficiency, the control precision and the product quality are remarkably improved.

The plant extracting and filtering device comprises an extracting and filtering tank and a crushing mechanism, a filter cartridge assembly is installed in the extracting and filtering tank and comprises a filter screen assembly and a feeding port, a rotary driving base is installed at the bottom end of the extracting and filtering tank, an electric heating pipe is installed on the inner wall of the extracting and filtering tank, and the crushing mechanism is installed on the inner wall of the extracting and filtering tank. A crushing assembly is mounted in the crushing mechanism, and an ultrasonic transducer is mounted at the bottom end of the extracting and filtering tank; the technical key points are as follows: a filter cartridge assembly rotates during extraction, centrifugal force is applied to plant raw materials, the plant raw materials are in full contact with an extraction solvent under the action of the centrifugal force and the gravity of the plant raw materials, and the plant extraction efficiency is improved; the plant raw materials do not need to be crushed by independent crushing equipment, time and labor are saved, the filter cartridge assembly is simple and easy to disassemble, and plant residues in the filter cartridge assembly are convenient to clean.

The invention relates to the technical field of antibiotic preparation production, in particular to livestock and poultry antibiotic preparation production equipment. Comprising a frame, the frame is provided with a first motor and a rotary cylinder which intermittently turns over by 180 degrees, the two ends of the rotary cylinder are rotationally communicated with a first extraction tank and a second extraction tank which are driven by the first motor to rotate respectively, an output shaft of the first motor is provided with a cam mechanism, and the cam mechanism is connected with a vibration frame which circularly vibrates in a variable stroke mode; a main shaft linked with the second extraction tank and a centrifugal net cylinder are rotationally connected to the vibration frame, a crushing shaft is rotationally connected to the interior of the centrifugal net cylinder, a spraying shaft is rotationally connected to the crushing shaft, the crushing shaft and the spraying shaft are driven by the main shaft, and crushing blades are mounted on the crushing shaft in an array manner and correspond to the inner side of the centrifugal net cylinder. The device has the beneficial effects that an integrated circulating operation system is constructed through 180-degree intermittent overturning of the rotary cylinder, a turning transmission system and a double-tank linkage structure.

The invention belongs to the field of daily chemicals, and particularly relates to a body cleaning composition containing folium artemisiae argyi extract and a preparation method of the body cleaning composition. 14%-20% of a surfactant; 0.5-5% of a skin conditioner; 0.01%-0.1% of a metal chelating agent; 0.01%-1.2% of a preservative; 0.01%-1% of a pH regulator; 1 to 1.5 percent of flavoring agent; 0.01%-1% of a viscosity modifier; and the balance of deionized water. The plant functional composition comprises a folium artemisiae argyi extract and a rosa canina fruit extract. The folium artemisiae argyi extract and the rosa canina fruit extract in the composition can achieve a synergistic effect, free radicals can be effectively removed, release of cell factors and inflammatory mediators can be inhibited, and the composition has anti-inflammatory and soothing effects, can relieve uncomfortable symptoms such as skin redness and itching and has a certain whitening effect.

The invention discloses a method for separating and recovering fluorine from a waste acid solution, which comprises the following steps: S1, taking a solution to be treated, and adding an extracting agent for extraction to obtain an organic phase and a water phase; the extraction agent is an N235 extraction agent; and S2, adding a cerium (III) salt solution into the organic phase as a stripping agent, layering, and recovering cerium fluoride precipitate in the stripping solution. According to the scheme, cerium salt is adopted as a stripping agent, and fluorine is separated out in a water-insoluble cerium fluoride precipitation form by utilizing the strong coordination effect between Ce < 3 + > and F <->, so that fluorine in an organic phase is directly converted into a high-purity cerium fluoride product. The method breaks through the limitation that only fluorine is separated and direct recycling is difficult in a traditional reverse extraction process, and one-step method recycling of fluorine is achieved. And the organic phase after reverse extraction can be directly regenerated and recycled, so that the medicament consumption is reduced, and the economical efficiency of the process is also improved.

The invention provides a process for removing cyanide from a cyanide-bearing aqueous fluid, the process comprising: (i) adding a solid composition comprising a first mixed-metal cyanide complex comprising copper and iron to a cyanide-bearing aqueous fluid comprising free cyanide and metal-complexed cyanide, wherein at least a portion of the first mixed-metal cyanide complex dissolves, with complexation of the copper by the free cyanide, to produce an aqueous solution comprising cyanometallates, the cyanometallates comprising copper cyanide and iron cyanide complexes derived from the first mixed-metal cyanide complex; (ii) contacting the aqueous solution with an anion-exchange absorbent to absorb the cyanometallates, thereby producing a cyanide-lean aqueous fluid; (iii) extracting the anion-exchange absorbent comprising the absorbed cyanometallates with at least one non-acidic aqueous extractant to produce an aqueous extract comprising the copper cyanide and iron cyanide complexes; and (iv) acidifying the aqueous extract to produce a precipitate comprising a second mixed-metal cyanide complex comprising copper and iron.

The utility model discloses automatic ultramicro instant tea powder extraction equipment which comprises a stirring kettle, an injection pipe is fixedly arranged at the top end of the stirring kettle in an embedded mode, an electromagnetic valve is fixedly arranged at the lower end of the stirring kettle in an embedded mode, a hose is fixedly arranged at the lower end of the electromagnetic valve, and a cover plate is fixedly arranged on the outer side of the lower end of the hose. A fixed cylinder is fixedly arranged at the lower end of the stirring kettle, and a hollow block is fixedly embedded in the center of the interior of the fixed cylinder. When the tea extracting device is used, tea and an extracting agent are poured into the stirring kettle and then stirred and adsorbed, the electromagnetic valve is started, so that a mixture is injected into the screen barrel through the hose, then the first motor is started, the first motor drives the sleeve rod to rotate through the rotating shaft, so that the screen barrel rotates, and the extracting agent on the outer side of the tea is thrown out through centrifugal force; and the extracting agent is thrown on the inner side wall of the fixed barrel through meshes of the screen barrel and then is discharged through the discharging pipe, so that the extracting agent is collected to the maximum extent, and resource waste is prevented.

The utility model relates to the field of concentration device, especially traditional Chinese medicine extraction concentration device, including processing box, feeding port, rubbing crusher, flow channel, decocting barrel, fender net, juice outlet channel, stirring mechanism, the upper end of processing box is provided with the feeding port for traditional chinese medicinal material feeding, the inboard of feeding port is installed the rubbing crusher for the effective component of traditional chinese herbal medicine is smashed and is convenient for the effective component of later decocting, the middle position of processing box is provided with flow channel, the lower end communication of flow channel has the decocting barrel that sets up heating element, the fender net that is used for filtering dregs is provided with in decocting barrel and flow channel junction, the utility model discloses a rubbing crusher is set up in the feeding port, and the medicinal material is smashed into the appropriate size, and it is helpful to the effective component of medicinal material in the decocting process more effectively and thus improves the extraction efficiency, and the fender net is set up in decocting barrel and flow channel junction, and the dregs can be blocked, only allowing the medicinal liquid to pass, and the step of manual dregs removal is optimized.

The invention relates to the technical field of hippophae rhamnoides extraction, and provides a hippophae rhamnoides cell sap double-cryogenic critical extraction process. A sea-buckthorn cell sap double-cryogenic critical extraction process comprises the following steps: S1, pretreatment: cleaning sea-buckthorn, and draining water to obtain pretreated sea-buckthorn; s2, performing primary cryogenic treatment, sublimation drying and secondary cryogenic treatment on the pretreated sea-buckthorn, and collecting to obtain sea-buckthorn cell sap; during primary cryogenic treatment, the cryogenic final temperature is less than or equal to-45 DEG C; during secondary cryogenic treatment, the cryogenic final temperature is less than or equal to-70 DEG C; according to the technical scheme, the problems that the recovery rate of the sea-buckthorn cell sap is low, active ingredients in sea-buckthorn are easily damaged, and industrialization of extraction of the sea-buckthorn cell sap is difficult to realize in the prior art are solved.

The application relates to the technical field of medicinal material processing, and particularly discloses a continuous extraction and separation device, which comprises a reaction kettle, a top cover and a first motor, the top end of the reaction kettle is clamped with the top cover, the middle part of the top cover is provided with the first motor, the bottom end of the reaction kettle is fixedly installed with a liquid outlet pipe, and the inner cavity of the reaction kettle is provided with a uniform shaking assembly. The uniform shaking assembly continuously shakes and mixes, prevents solute from settling, keeps raw materials in a uniform suspended state, fully contacts the raw materials with solvents, greatly improves the effective component dissolution efficiency, improves the raw material utilization rate and extraction rate, meanwhile, avoids material adhesion to the inner wall, reduces the loss of effective component residues, filters the extraction liquid in the collection process through the separation mechanism, effectively intercepts impurity particles, guarantees the clarity and purity of the extraction liquid, improves the traditional Chinese medicine stability and shelf life, simultaneously realizes integrated continuous operation of extraction and separation, simplifies the process flow, reduces energy consumption and labor cost, and improves the overall production efficiency.

The utility model belongs to the technical field of material extraction, and discloses percolation extraction equipment. The percolation extraction equipment comprises at least two percolation columns, a first pipe group, a second pipe group and a third pipe group, wherein each percolation column is provided with a bottom inlet, a bottom outlet, a top outlet and a top inlet; the bottom inlet is used for circulating a solvent or an extracting solution, the top inlet is used for circulating the solvent, and the bottom outlet and the top outlet are used for circulating the extracting solution; the first pipe group comprises a plurality of first connecting pipes for connecting the at least two percolation columns in series, and two ends of each first connecting pipe are respectively communicated with the top outlet and the bottom inlet; the second pipe group comprises a plurality of second input pipes which are connected in parallel, and the second input pipes and the percolation columns are communicated with the bottom inlet in a one-to-one correspondence manner; the third pipe group comprises a plurality of third input pipes which are connected in parallel; the third input pipes and the percolation columns are communicated with the top inlet in a one-to-one correspondence manner. The percolation extraction equipment can realize various extraction processes, is suitable for different types of materials, reduces the cost input, and has relatively high process flexibility.

The invention belongs to the technical field of spectral analysis, and particularly relates to a pharmaceutical volatile oil extraction interface detection method and system based on spectral analysis, and the method comprises the following steps: synchronously collecting water transmission light intensity and oil transmission light intensity at a plurality of vertical sampling heights, and combining initial calibration light intensity to obtain a phase state contrast; obtaining a scattering penalty weight in combination with the reference transmission light intensity; acquiring a compensation interface gradient based on the scattering penalty weight and the phase state contrast; performing global peak search on the compensation interface gradient to extract the interface height and the compensation interface gradient extreme value, and further obtaining the emulsification turbidity; and obtaining a safe oil collection index based on the set reference elevation, the interface height and the emulsification turbidity, and carrying out automatic liquid outlet control based on the safe oil collection index. According to the method, physical noise is effectively filtered to accurately lock a real chemical interface, a decision model of comprehensive purity and reserves is constructed, and the extraction purity and batch-to-batch stability of volatile oil are improved.

The present invention relates mainly to a method for producing a plastic material, the method comprising the steps of: (i) providing a corn gluten source and a first liquid phase comprising an organic solvent; (ii) extracting solvent-soluble components of the corn gluten source into the first liquid phase; (iii) precipitating a first portion of the solvent-soluble components from the first liquid phase, resulting in a second solid phase comprising the first portion of the solvent-soluble components and a second liquid phase comprising a second portion of the solvent-soluble components; (iv) separating the second solid phase and the second liquid phase, and (v) recovering a flexible plastic material from the second liquid phase or a hard plastic material from the second solid phase.

The invention belongs to the technical field of extraction of plant essential oil, and particularly relates to an extraction process of cumin essential oil. The extraction process specifically comprises the following steps: pretreating cumin seeds, and then carrying out supercritical CO2 gradient subsection extraction to obtain crude oil of a first incense section and crude oil of a body incense and a bottom incense section in sequence; respectively carrying out degassing, cold precipitation, filtration and clarification on the two sections of crude oil, carrying out molecular distillation, and cutting according to an accumulative distillation ratio to obtain light, medium and heavy fractions and residual liquid; and finally, directionally blending all fractions from different crude oils according to a ratio to obtain a final product. The method comprises the following steps: carrying out gradient extraction on first incense and base incense components in cumin through a process of segmented enrichment, segmented refining and directional blending, respectively rectifying the first incense and base incense components into functional fractions, and then carrying out directional combination; the process can synergistically improve the aroma level integrity, processing adaptability and storage stability of the essential oil under conventional equipment, and realizes designable flavor.

The utility model provides efficient extraction and separation equipment for 2-methyl-4-chlorophenoxyacetic acid raw materials, and relates to the technical field of 2-methyl-4-chlorophenoxyacetic acid raw material extraction, the efficient extraction and separation equipment comprises a heating cylinder and an extraction hopper, the upper side of the heating cylinder is provided with a top seat, the top seat is covered with a cylinder cover, and the front part of the upper end surface of the cylinder cover is provided with a front feed port; a rear feeding port is formed in the rear portion of the upper end face of the barrel cover, a heating layer is arranged on the outer side of the heating barrel, an outer barrel body is arranged on the outer side of the heating layer, an output pipe is arranged at the bottom of the heating barrel, the other port of the output pipe is led into an extraction hopper, and a refrigerator is installed on the left portion of the upper end face of the extraction hopper; and a heat insulation layer is arranged on the outer side of the extraction hopper. According to the utility model, heat preservation is carried out on a solution in the preparation heating process, the solution is uniformly stirred and mixed in a large range, the loss of heat is reduced, cold air is used for rapidly cooling the liquid medicine in the hopper, the speed of separating and extracting raw materials is accelerated, and the device is more efficient, stable and practical.

The utility model discloses an intelligent device for efficiently extracting mulberry anthocyanin, which belongs to the technical field of anthocyanin and comprises a crushing box, a mixing box, a collecting box, a crushing component, a mixing component and an evaporating component. The crushed mulberry puree enters the mixing box, an ethanol solution is injected and mixed, the mixed liquid is injected into the evaporation boxes to be evaporated, evaporation can be conducted at the same time through the multiple evaporation boxes, the mulberries are continuously treated through the crushing box and the mixing box, and the mulberry puree is more uniform. The evaporation assembly enables filtrate filtered by the filtering assembly to enter one evaporation box to be evaporated, and a third driving motor rotates to drive a rotating disc to rotate, so that a new evaporation box is located below a second electromagnetic valve to receive new filtrate; after the evaporated evaporation box is moved to the position above the collection box, a third driving motor is started, and the extracting solution is put into the collection box to be stored.

A plant extract production method comprising: an extraction step for obtaining an extract by extraction from a plant dispersion containing a plant; a filtration step for obtaining a filtrate by filtering the extract by means of cross-flow filtration; and a dialysis step for dialyzing the filtrate by means of electrodyalysis.

The invention relates to the technical field of traditional Chinese medicine extraction and concentration, and discloses an efficient and energy-saving traditional Chinese medicine micro powder extraction and concentration system. Firstly, plant cell walls are fully destroyed through a traditional Chinese medicine micro-powder wall breaking technology, and complete and quantitative conveying of micro-powder materials is ensured in combination with an air pressure balance residue removing system which is arranged in a storage tank and composed of an air disc, an air blowing pipe and an air blowing plug. And secondly, direct contact type hot air heating and stirring are adopted in the extraction tank, and a two-stage dust suppression structure of spraying and wet dust removal is arranged, so that efficient extraction and dust control are realized. And finally, the system recycles the residual components of the decoction dregs through a secondary extraction process, and adopts a membrane filtration and membrane concentration technology to replace the traditional heating concentration, so that the filtration and concentration of the decoction are completed at normal temperature. The method effectively solves the problems of low extraction rate, high energy consumption, easy damage of thermosensitive components and dust pollution in the traditional process, and realizes high efficiency, energy conservation and high quality of production of the traditional Chinese medicine extraction preparation.

Single-stage and multi-stage systems and methods for the recovery of critical elements in substantially pure form from lithium ion batteries are provided. The systems and methods include supported membrane solvent extraction using an immobilized organic phase within the pores of permeable hollow fibers. The permeable hollow fibers are contacted by a feed solution on one side, and a strip solution on another side, to provide the simultaneous extraction and stripping of elements from dissolved lithium ion cathode materials, while rejecting other elements from the feed solution. The single- and multi-stage systems and methods can selectively recover cobalt, manganese, nickel, lithium, aluminum and other elements from spent battery cathodes and are not limited by equilibrium constraints as compared to traditional solvent extraction processes.

This invention belongs to the field of cosmetic raw material preparation technology, specifically relating to a method for preparing a low-odor Xinjiang Lithospermum extract, its product, and its application. The method includes: raw material pretreatment: drying and pulverizing Xinjiang Lithospermum raw material to obtain pretreated material; first-stage extraction: loading the pretreated material into a supercritical fluid extraction device, adding a composite entrainer for extraction, and collecting the first fraction in a first separator; second-stage extraction: collecting a second fraction rich in naphthoquinone components in a second separator; and post-treatment: concentrating the second fraction and removing the alcohol solvent to obtain the low-odor Xinjiang Lithospermum extract. This invention can separate and discard most of the odor-causing volatile components in the raw material under mild conditions in the first stage, and then efficiently extract the core active substances of naphthoquinone in the second stage, achieving a significant reduction in the odor of the extract and a significant improvement in its sensory quality.

The utility model provides an anti-clogging stirring device for granule processing, which comprises a mounting frame, a processing tank is rotatably connected to the lower end of the mounting frame, a filter cartridge is coaxially arranged in the processing tank, a sealing top cover connected with the mounting frame is coaxially arranged at the top of the processing tank, and a filter plate coaxial with the sealing top cover is connected to the lower part of the sealing top cover through a second electric telescopic rod. The diameter of the filter plate is equal to the inner diameter of the filter cartridge; a connecting shaft in sealed connection with the processing tank is rotatably arranged at the bottom of the processing tank, a plurality of first stirring rods are fastened on the outer wall of the upper end of the connecting shaft in the circumferential direction, the tail end of the connecting shaft extends to the bottom of the processing tank and is connected with a driving mechanism, and a heating wire is connected in a space formed between the sealed inner barrel and the inner wall of the processing tank. Medicinal materials in the filter cylinder are extruded through the filter plate, and an extracting solution in the processing tank can be stirred through the first stirring rod and the second stirring rod, so that precipitation is avoided, and meanwhile, medicine residues are conveniently discharged.

It is provided a process for extracting nickel sulfate from mining ores, such as serpentine, comprising the steps of conducting a magnetic separation of the mining ores producing a magnetic fraction and a non magnetic fraction; leaching the non magnetic fraction with HCI producing a slurry comprising metals chloride; filtrating the slurry producing a metals chloride liquor; purifying the metals chloride liquor producing a magnesium chloride solution; separating an iron-nickel cake from the magnesium chloride solution; leaching the cake together with the magnetic fraction producing a metallic sulfate solution; extracting nickel and cobalt from the metallic sulfate solution by a ion exchange resin extraction and stripping producing an inorganic stripped phase; submitting the inorganic stripped phase to a liquid-liquid extraction producing a nickel concentrated phase; and evaporating and drying the nickel concentrated phase to recuperate nickel sulfate.