32 results about "Resin extraction" patented technology

The invention discloses an actinide purification method and device, and belongs to the technical field of medical radioactive isotope separation and purification. The method comprises the following steps: passing a thorium target solution containing actinide through a cation exchange column, and leaching with inorganic acid to obtain a first effluent containing Ac < 3 + >; enabling the first effluent containing the Ac < 3 + > to pass through a TK221 resin extraction column to obtain a second effluent containing the Ac < 3 + >; the second effluent containing Ac3 + passes through a TRU resin extraction column, and actinide is obtained. The TK221 resin also contains phosphine oxide and a small amount of long alkyl chain alcohol on the basis of diglycolamide, and shows better performance on purification of Ac < 3 + >. Meanwhile, the elution acidity in the TRU resin separation process is properly improved, and the outflow speed of Ac, La and Ce can be delayed, so that the effect of separating Ac from La and Ce is achieved, and the yield of 225Ac is improved while the concentration of metal impurities is reduced.

The invention relates to a method and a device for preparing piezoelectric catalytic degradation PFAS nano barium titanate from sludge graded extracts, and belongs to the technical field of sludge utilization environments. The method comprises the following steps: uniformly mixing fresh sludge and modified cation resin, and extracting a cation resin extracting solution to obtain the cation resin extracting solution and cation sludge; uniformly mixing the cation mud and the modified anion resin, and extracting an anion resin extracting solution to obtain the anion resin extracting solution and the cation mud; mixing the sludge and alkali for reaction to obtain an alkali extracting solution and extraction residues; mixing barium salt with the cation resin extracting solution to obtain a barium complexing solution, and mixing titanium salt with the anion resin extracting solution to obtain a titanium complexing solution; and mixing the barium complexing solution with the same volume of the alkali extracting solution, then adding the titanium complexing solution with the same molar ratio, heating, drying and calcining to obtain the piezoelectric catalytic degradation PFAS nano barium titanate. According to the method, multi-stage extraction can be carried out according to application property requirements, extraction is sufficient, the comprehensive utilization rate of sludge is high, dispersity is good, the particle size is small, piezoelectric catalysis performance is high, and synthesis cost is low.

The present application relates to a kind of methods for separating actinium from irradiated thorium target, belong to medical radioisotope manufacturing technical field, solve the problem that thorium element and lanthanide element impurity content in final actinium product in prior art is higher.The present application discloses a kind of methods for separating actinium from irradiated thorium target, first, irradiated thorium target is dissolved, then using cation exchange resin column, UTEVA or TK200 resin extraction column, DGA resin extraction column, LN resin extraction column four-stage series separation purification process, obtain final actinium product.Actinium is efficiently and selectively recovered, and the thorium element and lanthanide element impurity content in final actinium product is significantly reduced.

The application provides a preparation method of a rare earth metal adsorption and separation resin and a resin extraction column. The preparation method comprises the following steps: adding an oil phase composed of styrene, divinylbenzene, a pore former and an initiator into an aqueous phase containing a dispersant and an inorganic salt to perform suspension polymerization, so as to obtain a white ball resin; performing phthalimide and hydrolysis on the white ball resin, so as to obtain a primary amine resin; performing reaction on the primary amine resin with chloroacetic acid and an alkaline medium, so as to perform carboxymethylation on part of the primary amine sites; and performing reaction on the obtained intermediate resin with phosphorous acid, formaldehyde and an acidic medium, so as to perform phosphonic acid methylation on the remaining part of the primary amine sites. The white ball resin is first subjected to amination, and then part of the carboxymethylation and part of the phosphonic acid methylation are sequentially performed, so that the carboxyl type chelation sites and the phosphonic acid type chelation sites are simultaneously reserved in the same resin bead, thereby being beneficial to improving the comprehensive adsorption performance and separation performance of the resin on the rare earth metal.

The invention belongs to the technical field of traditional Chinese medicine extraction, and particularly relates to a ginkgo biloba extract, a preparation method and application of the ginkgo biloba extract in improvement of cerebral ischemia. The preparation method of the ginkgo biloba extract comprises the following steps: (1) crushing dried ginkgo biloba, and adding a compound enzyme aqueous solution for soaking to obtain a mixture 1; (2) adding a surfactant and absolute ethyl alcohol into the mixture 1, performing ultrasonic extraction, and filtering to obtain a ginkgo leaf extracting solution; and (3) filtering the ginkgo leaf extracting solution through a ceramic membrane, concentrating until the ginkgo leaf extracting solution has no ethanol smell, adding the ginkgo leaf extracting solution into a polyamide resin and macroporous resin combined resin column for elution, collecting eluent, concentrating and drying to obtain the ginkgo leaf extract. According to the ginkgo biloba extract, the specific compound enzyme, the surfactant and the purified resin are selected, and the ginkgo biloba extract obtained through extraction is high in effective component content and remarkable in cerebral ischemia improving effect.

The invention discloses a method for producing high-purity doxorubicin through fermentation of streptomyces peucedanum var. Peucedanum X121-56-2 and in-situ extraction of LX-20 resin, which comprises the following steps: preparing a high-density seed solution through a specific seed culture medium and a culture process, and then inoculating the high-density seed solution into a fermentation culture medium containing a composite carbon and nitrogen source and LX-20 macroporous adsorption resin; and fermenting under the conditions of controlled temperature, pH, ventilation and dissolved oxygen. In the fermentation process, adriamycin is adsorbed by LX-20 resin in situ, the yield is effectively increased, and the extraction process is simplified. The specific strain is combined with the LX-20 resin technology for the first time, the adriamycin yield can reach 530 mg / L at the maximum under the 15L tank scale, the purity of a crude product directly extracted from the resin can reach 58%, and the method has the outstanding advantages of being high in yield and purity, low in cost, easy to amplify and the like.

An epoxy resin solid waste resin extraction device comprises a reaction kettle (1), an extraction device (2) is arranged on the side edge of the reaction kettle (1), the extraction device (2) comprises a connecting pipe (21) arranged on the side edge of the reaction kettle (1), and a buffer tank (22) is arranged at the end of the connecting pipe (21); due to the fact that the connecting pipe (21) is arranged on the side edge of the reaction kettle (1), aged resin and a toluene solution can be directly extracted from the upper layer, waste water on the lower layer can be discharged through the discharging pipe (4) at the bottom end of the reaction kettle (1) after the aged resin and the toluene solution are extracted, the toluene solution does not need to be recycled in a distillation mode, and the cost is reduced. Clean production of epoxy resin is achieved, energy waste is reduced, and an observation structure (3) is arranged on a connecting pipe (21); and the observation structure (3) is used for judging the material flowing into the connecting pipe (21).

The invention discloses a method for separating and purifying total flavonoids from abelmoschus manihot flowers. The method comprises the following steps: 1) an extraction process; (2) pretreating the feed liquid; 3) a flocculation process; 4) macroporous adsorption resin extraction; (5) dealcoholization; and 6) drying. The method comprises the following steps: extracting an abelmoschus manihot flower material with an ethanol salt solution, filtering, taking a treated soak solution, concentrating, dealcoholizing, diluting with water, and adding sodium lignin sulfonate and chitosan for flocculation reaction to obtain a column loading solution; selecting macroporous resin for separation and purification, carrying out rotary evaporation on the desorbed mixed solution to recover ethanol, and carrying out spray drying or freeze-drying to obtain a high-content flavone product; extraction and separation are carried out by utilizing the property of flavone, an extraction and separation method with high content and high yield is obtained, the use of a large amount of organic solvents is reduced, and environmental protection is facilitated.

This utility model discloses an easy-to-absorb resin bottle, belonging to the field of biomedical products. It includes a bottle body and a cap. The bottle body has an integrally formed opening with a connecting neck. The cap covers the top of the connecting neck for sealing. A straw is embedded in the inner wall of the cap. The bottom of the cap has a double-layer sealing element, consisting of a flat layer and a sloping layer. Not only is a straw added, eliminating the need to use an extra straw for resin extraction, but the seal between the bottle body and cap is designed as a double-layer seal with a height difference. The lower layer is made of silicone to ensure no resin leakage, while the upper layer has a non-threaded structure that uses magnetic attraction for positioning. The two sloping annular plates achieve a flat seal after docking, making it easier to open even if resin residue remains.

This invention discloses a resin regeneration detection and bed-cutting feedback system and method for a fine treatment system. The outlets of the cation and anion resin extraction and storage tanks are connected to the inlet of the resin regeneration detection column. The outlet of the resin regeneration detection column is connected to the inlet of the chloride ion detection system and the inlet of the sodium ion detection system in the water. The outlet of the regeneration detection reagent storage tank is connected to the inlet of the resin regeneration detection column. The fine treatment effluent pipe is connected to the inlet of the electro-regeneration cation exchange device. A first conductivity electrode is installed at the inlet of the electro-regeneration cation exchange device, and a second conductivity electrode is installed at the outlet of the electro-regeneration cation exchange device. This system and method can accurately detect the resin regeneration and thus accurately perform bed-cutting operations.

The invention provides a method for extracting scandium oxide based on P507 extraction resin, and particularly relates to a novel method for extracting scandium oxide from titanium white waste acid and a red mud solution. Figure 1 is a product process flow diagram. The method specifically comprises the following steps: adsorbing raw materials, washing with ultrapure water, treating with a potassium hydroxide solution, washing with an acid solution, desorbing and electrolyzing. The concentration of the potassium hydroxide solution is 1N-8N; the P507 extraction-elution enrichment resin comprises P507 extraction-elution resin and silicon-based amidoxime resin; the concentration of the hydrochloric acid solution is 1-3 mol / L; and the resin desorption agent is any one of ultrapure water or a dilute acid solution with the pH value of 1-5. The method is easy to operate and low in cost, and scandium oxide with the purity of 99.99% or above can be obtained through purification.

The invention belongs to the technical field of cosmetics, and discloses a composition with moisturizing, soothing and repairing effects as well as a preparation method and application thereof. The composition disclosed by the invention is prepared from the following components in parts by mass: 1 to 15 parts of peach resin extract, 1 to 15 parts of saccharide isomeride, 0.1 to 2 parts of red-knees herb extract and 0.1 to 5 parts of Ectoin. According to the present invention, the formula contains the peach resin extract, the saccharide isomeride, the red-knees herb extract and the Ectoine, and through the unique formula combination and the scientific ratio, the components produce the good synergistic effect, such that the sensitive skin can be effectively relieved, the skin barrier can be effectively repaired, and the long-acting water locking and moisturizing can be effectively achieved.

To provide a tablet containing Boswellia serrata resin extract, the tablet exhibiting excellent characteristics in both color and disintegration time.SOLUTION: Provided is a tablet containing Boswellia serrata resin extract, crystalline cellulose, and calcium stearate, wherein the content of crystalline cellulose in the tablet is 50 mass% or more, the content of calcium stearate in the tablet is 1 mass% or more and 10 mass% or less, the hardness is 6 to 14 kgf, the total reflectance at a wavelength of 500 nm is 65% or more, and the specular reflection intensity ratio is 1.20 or less.SELECTED DRAWING: None

The invention provides a method for extracting gallium and germanium from alkyl hydroximic acid extraction resin, and relates to the technical field of metal recovery. The preparation method comprises the following specific steps: putting HZ818 macroporous resin into a beaker, adding a mixed extraction solvent of C7-9 alkyl hydroximic acid and absolute ethyl alcohol, heating to 60 DEG C, stirring for 4 hours, filtering, washing and drying to obtain alkyl hydroximic acid extraction resin; the method comprises the following steps: loading alkyl hydroximic acid extraction resin into an ion exchange column, and introducing a zinc hydrometallurgy leaching solution containing low-concentration gallium and germanium to adsorb gallium and germanium; eluting the extraction resin adsorbing gallium and germanium with a sulfuric acid solution and an NH4F solution in sequence to obtain a gallium-rich solution and a germanium-rich solution respectively. The method is easy to operate, the gallium and germanium separation effect is good, the gallium and germanium adsorption rates can reach 84% or above and 95% or above respectively, and meanwhile the gallium and germanium desorption rates exceed 95%.

The utility model relates to a novel 304 stainless steel gantry winding machine resin collection safety device, and relates to the field of gantry winding machine resin collection safety devices. Comprising a transverse rear coaming device, a resin flat plate leak hole, a resin extraction flat plate, a longitudinal coaming device, a manual pull ring device, a transverse front upper coaming device, a transverse front lower coaming device, a resin collecting device outer shell, a resin bottom plate device and an outer shell rotating internal thread round opening. The bottom plate device is provided with a center external thread round hole and a resin extraction flat plate center four-axis short support. The resin collection safety device for the 304 stainless steel gantry winding machine has the advantages that firstly, leaked and dropped resin can be collected by the outer shell of the resin collection device through the resin flat plate leakage holes, and overflow caused by excessive resin can be fully avoided; and secondly, the resin extraction flat plate can be pulled out through the manual pull ring device, so that the cleaning operation can be completed.

The invention provides a method for extracting high-purity scandium oxide based on silicon-based tributyl phosphate resin, and belongs to the technical field of purification. The method comprises the following steps: mixing the titanium white waste acid with silicon-based tributyl phosphate resin, adding a pre-prepared acid solution, communicating purified resin and enriched resin with the acid solution, enabling the resin to become poor resin after multiple times of drainage, after one round of adsorption is finished, reversely adding the silicon-based tributyl phosphate resin into an alkali solution, desorbing, and electrolyzing a desorption solution, thereby obtaining the titanium white waste acid. A high-purity scandium oxide compound is obtained; the silicon-based tributyl phosphate resin is added, and a large amount of scandium oxide can be selectively adsorbed by utilizing the high adsorbability of the resin, so that the scandium oxide is separated out, and impurities such as Fe, Si, Ni and Ca are preliminarily removed. The method comprises the following steps: adding an alkaline solution into enrichment resin for desorption to obtain a desorption solution containing high scandium oxide;

The invention relates to the technical field of tire rubber detection, in particular to a resin extraction method, application and device for improving the analysis accuracy of a tire tread rubber formula. The method sequentially comprises the following steps: pre-drying a sample; soxhlet gradient extraction (n-hexane / ethyl acetate / DMF) is carried out according to a low polarity sequence, a medium polarity sequence and a strong polarity sequence, and polarity adjustment and duty-type ultrasonic treatment of 0.5-1 wt% ethanol are matched; then carrying out rotary evaporation at 30-40 DEG C and freeze-drying and desolventizing in a procedure of less than or equal to And judging that the extraction is complete when the relative intensity of the characteristic peak FTIR1600-1800cm <-1 > is less than 0.02. The device integrates a multi-solvent automatic switching module, an ultrasonic and temperature control module, a rotary evaporation and freeze drying module and an FTIR judgment module. According to the scheme, on the premise that a rubber-filler structure is not damaged, the calculation deviation of TGA on carbon black / white carbon black is remarkably reduced, and standardized popularization is facilitated.

The invention discloses a resin cleaning tank capable of achieving thorough cleaning and middle extraction and a resin cleaning method, and belongs to the technical field of resin cleaning equipment. The resin cleaning tank comprises a cleaning tank body, a middle resin extraction pipe, a concave porous plate, a piping system device, a pneumatic negative pressure material extraction assembly, an electric control intelligent monitoring assembly and an external medium regulation and control assembly. The concave porous plate can gather the resin at the center of the tank body to avoid accumulation at dead angles; the middle resin extraction pipe is arranged in the middle and is matched with the purging air nozzle group and the multiple anti-suction structures, so that the smooth extraction of the resin is realized and the material extraction assembly is protected; the piping system device forms a rotational flow gas-liquid field, and ultrasonic and temperature control are combined to achieve multi-physical-field collaborative cleaning. Air sources are uniformly supplied, and the structure is simplified; and an electric control system realizes double-index monitoring and automatic closed-loop control, and graded pollution discharge is free of residues. The device has the advantages of thorough cleaning, smooth material pumping, stable operation and simple and convenient operation and maintenance, and is suitable for resin regeneration cleaning scenes of chemical engineering, water treatment and the like.

The invention discloses a surface treatment method of an oil-proof, water-proof and flame-retardant wood board, which at least comprises the following steps: I, extracting wood by adopting a resin extraction solvent to obtain oil-proof wood; iI, dipping the oil-proof wood obtained in the step I in a sodium hydroxide solution, washing, and drying I to obtain activated wood; step III, dispersing sodium alginate, montmorillonite and cyclodextrin in water to form an ionic dispersion liquid; and IV, spraying the ionic dispersion liquid obtained in the step III on the surface of the activated wood obtained in the step II, drying in the step II, and putting the activated wood dried in the step II into a solution containing trifluoroethyl methacrylate to obtain the waterproof, oil-proof and flame-retardant wood. The hydrophobicity of the wood board obtained through surface treatment is remarkably improved, and the oil-proof and flame-retardant effects are excellent.

A method of separating excess resin from at least one object, includes: (a) stereolithographically producing at least one object on at least one carrier platform, each carrier platform having a planar build surface to which at least one object is connected, each object carrying excess resin on a surface thereof; then (b) mounting each carrier platform to a rotor; (c) centrifugally separating excess resin from each object by spinning the rotor with each carrier platform connected thereto while each object remains connected to each carrier platform; and then (d) removing each carrier platform from the rotor with each object thereon, with excess resin separated therefrom.

This invention provides a continuous extraction device for extracting chili oil resin, including an extraction tank. An extraction auxiliary device is installed inside the extraction tank and fixed to a top cover. The top cover is fixedly installed inside the extraction tank. A support leg is fixedly installed below the extraction tank, with an injection port and a discharge port respectively located at the top and bottom of one side. A support frame is fixedly installed above the extraction tank. Hydraulic cylinders are fixedly installed at the bottom of the extraction tank and above the support frame, with the output ends of two opposing hydraulic cylinders connected to the extraction auxiliary device. An ultrasonic generator is fixedly installed outside the extraction tank and connected to an ultrasonic bar installed inside. This invention uses hydraulic cylinders to drive the extrusion disc to reciprocate, accelerating the dissolution of chili oil resin and shortening the extraction time. Its special structure adapts to different raw materials, improving the extraction rate. The annular space isolates impurities and stabilizes the solvent concentration. Convenient raw material feeding and precise control ensure continuous and efficient production.

The invention belongs to the field of natural pigment preparation, and discloses a cherry pigment preparation method and application thereof, and the cherry pigment preparation method comprises the four steps of cherry extract preparation, macroporous resin extraction, concentration and drying. According to the method, fresh cherries are adopted as raw materials, a cherry extracting solution is obtained through cellulase enzymolysis, high-speed centrifugation and other processes, and finally cherry pigment powder is obtained through vacuum concentration and spray drying. The invention also discloses an application of the cherry pigment prepared by the method in preparation of a multi-color lipstick convenient to color, and a lipstick product which is bright in color and easy to color can be obtained through a specific formula and a preparation process. The method has the advantages of being environmentally friendly, high in cherry anthocyanin content, red and bright in obtained cherry pigment color, high in color value and the like, lipsticks of different color systems from bright red to red purple can be obtained only through one coloring agent and a small amount of pH adjusting agent in the lipstick preparation process, the requirements of the market for high-quality and natural-source lipstick products are met, and the market prospect is wide. Wide application prospects are realized.

The utility model relates to the field of resin extraction and separation, and discloses a resin extraction and separation device for urokinase preparation, which comprises a separation box, the inner wall of the upper end of the separation box is fixedly connected with a partition plate, the outer wall of the bottom end of the partition plate is fixedly connected with a filter plate, and the inner wall of the upper end of the separation box is rotatably connected with a rotating pipe in a penetrating manner; a fixed pipe is rotationally connected to the inner wall of the upper end of the rotating pipe, and a stirring box is fixedly connected to the outer wall of the upper end of the fixed pipe. According to the urine and resin filtering device, fixing of the rotating pipe is relieved by moving the embedded block, after the rotating pipe is rotated by 180 degrees, the embedded block is released to be clamped on the inner wall of the fixed pipe to fix the position of the rotating pipe, and at the moment, a mixture of urine and resin flows to the other side to be continuously filtered; and then the collection box is removed by rotating the clamping block, the collection box is taken out, resin separation is completed, continuous resin extraction and separation can be achieved, and the separation efficiency is high.

The invention relates to a composite comprising fibrous materials with a density less than or equal to 450 kg / m3 bonded by an aqueous adhesive composition. It comprises a thermosetting resin based on: - at least one aromatic compound A1 comprising at least one aromatic ring bearing at least two functional groups, one of these functional groups being an aldehyde or a hydroxymethyl group, the other being an aldehyde or a hydroxymethyl group; - at least one aromatic phenol compound A2 bearing at least one aromatic ring bearing at least two hydroxyl groups, the latter being in meta positions relative to each other, the two ortho positions of at least one of the hydroxyl groups being unsubstituted; wherein the amount of resin is at least 3.5% by weight of dry resin extract relative to the total weight of the composition.

The application provides a kind of based on liquid silicone rubber and SAP high water-absorbing resin extraction borehole plugging method, by being respectively set in the front end and tail end of gas extraction pipe air bag, injection pipe is inserted between two air bags, two air bags are communicated by gas injection pipe, one end of gas extraction pipe is sent into gas extraction borehole, SAP high water-absorbing resin particles are injected into two air bags by gas injection pipe, after filling a certain amount, change injection air, until air bag inflation reaches the requirement;Water is injected into two air bags again through the gas injection pipe, SAP high water-absorbing resin swells to form a more compact plug;Liquid silicone rubber and SAP high water-absorbing resin composite liquid are injected into the gas extraction borehole through the injection pipe until the plugging is completed. To solve the problems of insufficient sealing, poor water absorption and swelling, and insufficient durability of traditional plugging materials and methods. It belongs to the technical field of plugging materials.

A glue receiving groove is arranged at one end of a vehicle underframe, two limiting cavities are formed on the upper surface of the vehicle underframe through six stand columns and a plurality of cross rods, a glue storage tank is arranged in each limiting cavity, and the glue storage tanks are connected with a vacuum pump through a three-way valve. Resin in a resin barrel can be recycled, cost is saved, a glue receiving groove can support a glue suction pipe, the situation that the resin in the glue suction pipe flows to the ground after glue pumping, and consequently the environment is polluted is avoided, a glue discharging valve at the bottom of a glue storage tank is connected with a glue discharging pipe, and the glue discharging pipe extends to the glue receiving groove. And the universal wheels are arranged at the bottom of the trolley underframe, so that good maneuverability is achieved, the trolley can move according to the position of the resin barrel, and the flexibility is greatly improved.

The invention provides a levextrel resin, a preparation method and an application of the levextrel resin in purification of ammonium molybdate, and the levextrel resin is prepared by loading an alkyl phosphine oxide-primary amine mixed extraction agent on an inert support through vacuum stirring. Specifically, the specific surface area and porosity of the inert support are increased through swelling treatment, and the selective adsorption capacity of impurities in molybdate is enhanced through the synergistic effect of the mixed extraction agent; and the extraction agent is uniformly dispersed and firmly combined with the resin through vacuum stirring. The preparation method effectively solves the problems of non-uniform dispersion, easy loss, easy saturation and the like of the traditional extraction resin extraction agent, and provides a more efficient separation material for high-purity molybdenum production.

This invention discloses an on-site molding device and method for expanding the anchorage end of FRP (Fiberglass Reinforced Plastic) bars, belonging to the field of building engineering technology. The molding device includes a mold with a hot-melt cavity inside. The inner wall of the hot-melt cavity is provided with several inner cavity ribs and a heater. The upper part of the mold has an injection channel communicating with the hot-melt cavity, and the lower part has a resin extraction channel communicating with the hot-melt cavity. The outlet of the resin extraction channel is connected to a self-priming booster pump. This invention enables FRP bars to achieve the necessary anchorage effect without bending, laying the foundation for the widespread application of FRP bars.

The invention discloses a method for extracting puerarin from radix puerariae based on a resin extraction technology, and relates to the field of plant extraction. The method comprises the following steps: firstly, crushing a radix puerariae raw material, pre-extracting by using a hydrous ethanol liquid, and then carrying out dynamic adsorption and elution treatment by using a modified resin adsorbent. And eluting the puerarin adsorbed by the resin from the eluent by using ethanol with a certain concentration, then removing the ethanol through vacuum concentration, and further purifying to finally obtain the puerarin. Compared with a traditional solvent soaking or water boiling method, the method has the advantages of high extraction efficiency, good purity, short operation time, strong environmental protection property, cost reduction and the like, and is suitable for industrial scale production.

A method of separating excess resin from at least one object, includes: (a) stereolithographically producing at least one object on at least one carrier platform, each carrier platform having a planar build surface to which at least one object is connected, each object carrying excess resin on a surface thereof; then (b) mounting each carrier platform to a rotor; (c) centrifugally separating excess resin from each object by spinning the rotor with each carrier platform connected thereto while each object remains connected to each carrier platform; and then (d) removing each carrier platform from the rotor with each object thereon, with excess resin separated therefrom.