2296 results about "Ion-exchange resin" patented technology

The invention belongs to the field of medical radioactive isotope preparation, and particularly relates to a method for extracting lead-212 and bismuth-212 from a thorium-232 decay chain, a solution containing a thorium-232 decay chain substance passes through an anion exchange resin column, the solution containing the thorium-232 decay chain substance contains halide ions, and the anion exchange resin column is used for extracting the lead-212 and the bismuth-212 from the thorium-232 decay chain substance. The concentration of hydrogen ions in the solution containing the thorium-232 decay chain substance is greater than 0.01 mol / L, the lead-212 and the bismuth-212 are adsorbed by the anion exchange resin column, other nuclides directly penetrate through the anion exchange resin column and are not adsorbed, a leaching reagent is introduced to desorb the lead-212 and the bismuth-212 from the anion exchange resin column, and the lead-212 and the bismuth-212 are separated and extracted; the method can be used for simultaneously extracting lead-212 and bismuth-212, has the advantages of high extraction speed and high purity, and is not easy to cause organic pollution to products.

The invention belongs to the technical field of active substance extraction, and particularly relates to low-fat, low-cost, high-purity and high-quality elastin peptide and a preparation method thereof. The alkali liquor and the sodium carbonate solution are mixed and matched for use, the overall concentration is low, the degreasing agent is more environmentally friendly, and the degreasing effect is better by using the microwave heating technology. The protease is immobilized by using the microspheres, and the enzyme preparation can be fully recycled and repeatedly used, so that the production cost is greatly reduced. The elastin enzymatic hydrolysate is separated, purified and refined by using an ion exchange resin tandem chromatography technology, other impurities are efficiently removed, and the prepared elastin peptide is relatively high in purity. The high-voltage pulsed electric field technology (PEF) is used for sterilization, the sterilization effect is better, the influence of a traditional heat sterilization mode on the color, luster and taste of the product is avoided, and the quality of elastin peptide is better maintained.

The invention relates to the technical field of municipal sludge treatment, in particular to a method for recycling nitrogen and phosphorus elements from municipal sludge. According to the method, the municipal sludge is subjected to hydrothermal carbonization treatment, the treated solid-phase product is dried and ground to a specific particle size, the solid-phase product is subjected to acid leaching under a specific condition to extract the phosphorus element, and then heavy metal and metal elements such as Al and Fe in the acid leaching liquid are removed by adopting strong-acid ion exchange resin and a chemical precipitant, so that the phosphorus element is obtained. And finally, mixing the struvite with a hydrolyzate which is subjected to hydrothermal carbonization treatment and is rich in ammonia nitrogen, and precipitating by adjusting the element proportion and the pH value to obtain a solid-phase product struvite crystal. According to the method, external nitrogen-containing substances do not need to be added, the content of heavy metal in the solid-phase product struvite can be effectively reduced, the recovery rate of phosphorus can reach 93% or above, the recovery rate of ammonia nitrogen can reach 63% or above, the recovery rate of nitrogen and phosphorus is high, energy consumption is low, and the treatment cost is low.

A method for analyzing a sample includes introducing the sample into a vessel including a cation-exchange resin, where the cation-exchange resin has a high affinity to one or more interferent species in the sample, directing the sample through the cation-exchange resin to thereby capture one or more interference species in the cation-exchange resin to purify the sample, and releasing the purified sample from the vessel. Additionally, a method for analyzing a sample includes receiving an image depicting a diagnostic test region and a color reference chart, converting a test region image portion of the image to an analytical color space, determining first and second coordinate values characterizing the test region image portion in the analytical color space, and providing a quantitative measurement of an analyte of interest in the sample based on the first and / or second coordinate values and a predictive formula based on the color reference chart.

The invention discloses a method for preparing battery-grade iron phosphate by recovering lithium iron phosphate battery black powder, which comprises the following steps of: performing reduction acid leaching on the lithium iron phosphate battery black powder to obtain acid leaching liquid; adding sodium silicate into the acid leaching solution to adjust the pH value of the solution to 2.5-4, removing aluminum and titanium to obtain a primary impurity-removed solution, deeply removing aluminum and titanium from the impurity-removed solution by adopting ion exchange resin, and removing copper and filtering by adopting sulfide to obtain a copper-removed solution; supplementing iron is added into the copper removal liquid, the pH is adjusted to 3.5-6.5, ferrous phosphate reacts and is separated out, and ferrous phosphate is obtained; the method comprises the following steps: carrying out acid leaching on ferrous phosphate to obtain a leaching solution, adjusting the molar ratio of iron to phosphorus in the leaching solution, carrying out oxidation precipitation, adjusting the pH value of the solution again, aging, filtering, washing and drying to obtain iron phosphate dihydrate, and finally calcining to obtain the anhydrous iron phosphate. According to the method, a process route for producing iron phosphate by an ammonium method is used for reference, iron and phosphorus in the black powder of the lithium iron phosphate battery are recycled and converted into battery-grade iron phosphate in a ferrous phosphate form, impurities such as aluminum, titanium and copper are effectively removed, and the impurities are prevented from being entrained in the iron phosphate.

The invention discloses a magnetic ion exchange resin and a preparation method thereof, and the preparation method comprises the following steps: preparing a reaction solution which comprises magnetic particles, glycidyl methacrylate, divinylbenzene and a photoinitiator; the mass ratio of the glycidyl methacrylate to the divinyl benzene is (4.5-10): 1; an ultraviolet-initiated polymerization step: irradiating the reaction solution by ultraviolet light to initiate a polymerization reaction to obtain magnetic microspheres; a functional modification step: mixing the magnetic microspheres with an ammoniation reagent for ammoniation reaction to prepare ammoniated magnetic microspheres; and mixing the ammoniated magnetic microspheres with an alkylation reagent, and carrying out an alkylation reaction to prepare the magnetic ion exchange resin. According to the method, the production time is remarkably shortened, the extra energy consumption is reduced, and the process production flow is effectively simplified.

The invention relates to an alkaline activated carbon multi-stage synergistic potassium removal method, and belongs to the technical field of activated carbon materials. According to the method, a four-step synergistic process of water washing, acid pickling, ion exchange and nitrogen calcination is adopted, and a waste acid recycling closed-loop system is combined. The deep removal of residual potassium is realized through the synergistic effect of countercurrent water washing, pH (Potential of Hydrogen) staged regulation and control acid washing, deep potassium removal by ion exchange resin and nitrogen protection calcination, and meanwhile, the high specific surface area is maintained; the pickling waste liquid is neutralized, concentrated and crystallized to be converted into agricultural potash fertilizer, and mother liquid is recycled to form green circulation.

The invention discloses an integrated thermal management system for an explosion-proof charger, and relates to the technical field of chargers. Comprising the following steps: S100, three-dimensional thermal field modeling: acquiring a heat source point cloud by using a laser radar and a temperature sensor array, and constructing a three-dimensional thermal management model in combination with finite element analysis; the liquid cooling pipeline layout is optimized through three-dimensional thermal field modeling (the error of heat flow density uniformity is smaller than or equal to 10%), the integrated design of a ZL114A aluminum alloy shell and a micro-channel liquid cooling plate (the thermal resistance is reduced by 40%) is combined, a metal sealing structure of an IP68 protection grade and ExdIICT6 anti-explosion certification are matched, safe heat dissipation of the power device with the temperature smaller than or equal to 85 DEG C is achieved in the wide-temperature environment of-20 DEG C to 60 DEG C and the explosive environment of gas dust, and the safety of the power device with the temperature smaller than or equal to 85 DEG C is achieved. And meanwhile, the liquid cooling medium is intelligently managed through the conductivity sensor and the ion exchange resin filtering device, so that equipment faults caused by pollution are avoided.

The present invention relates to a method for isomerizing a product obtained by the condensation reaction of a ketone and a phenol to prepare a bisphenol, the method comprising contacting the product obtained by the condensation reaction of a ketone and a phenol to prepare a bisphenol with an ion exchange resin under aqueous conditions for isomerization of undesirable products and separation of products with a higher bisphenol content, wherein the ion exchange resin is an aromatic polymer having a sulfonic acid group, and the sulfonic acid group is modified by at least one promoter selected from the compound represented by structure (I):

The invention relates to an electrochemical carbon dioxide reduction device without a prefabricated anion exchange membrane and application of the electrochemical carbon dioxide reduction device, and belongs to the fields of electrochemistry, carbon dioxide utilization and renewable energy sources. The device comprises an anode for catalyzing an oxygen evolution reaction, a cathode formed by a gas diffusion electrode, an extraction chamber arranged between the anode and the cathode, a cation exchange membrane covering the surface of the anode, a diaphragm covering the surface of the cathode, and ion exchange resin filled in the extraction chamber and used as a solid electrolyte. The device is used for a carbon dioxide reduction reaction, and an extracting solution can be used in an extracting chamber to extract a liquid product solution of carbon dioxide reduction; the components of the liquid product solution only contain the components of the extracting solution and the components of the liquid product. Based on the invention, the use of expensive prefabricated anion exchange membranes with unstable acidic conditions can be avoided, a product with higher purity of a liquid product can be directly obtained, and an additional operation unit for separating the liquid product from metal cations can be omitted.

The invention provides a nitrogen-containing branched polymer, anion exchange resin, an anion exchange membrane and an electrochemical device. The molecular structure of the nitrogen-containing branched polymer comprises a nitrogen-containing heterocyclic ring, branched structures and biphenyl, the number of branching points of each branched structure is not less than 3, and the biphenyl is connected with the branching points of the branched structures through the nitrogen-containing heterocyclic ring; a represents the molar ratio of biphenyl in the nitrogen-containing branched polymer, B represents the molar ratio of a branched structure in the nitrogen-containing branched polymer, and A: B = (80-99): (1-20); the polydispersity index PDI of the nitrogen-containing branched polymer is less than or equal to 2.6, and the weight-average molecular weight of the nitrogen-containing branched polymer is 40000 g / mol to 50000 g / mol. The nitrogen-containing branched polymer provided by the invention can have excellent ionic conductivity and mechanical properties on the premise of reaching a low-level water absorption swelling rate.

The invention discloses a stone coal vanadium extraction method, and belongs to the technical field of stone coal vanadium extraction, and the method comprises the following steps: crushing stone coal vanadium ore, and simultaneously carrying out microwave irradiation to obtain an activated sample; immersing the activated sample and an oxidizing agent solution into an acid solution, heating and reacting to obtain a suspension, and carrying out solid-liquid separation to obtain a leachate; then, vanadium in the leachate is adsorbed and enriched through ion exchange resin containing quaternary ammonium groups, and an enriched vanadium solution is obtained through desorption with alkali liquor; then adjusting the pH value of the enriched vanadium liquid, adding an impurity removal agent, uniformly stirring, standing, and carrying out solid-liquid separation to obtain a purified liquid; finally, a precipitator is added into the purified liquid, solid-liquid separation is carried out after the reaction is completed, and the ammonium polyvanadate product is obtained.The method not only can remarkably reduce energy consumption, but also can effectively improve the purity of ammonium polyvanadate.

The invention belongs to the technical field of disinfectant fluid preparation, and discloses a purifying device for disinfectant fluid production and preparation, which comprises a connecting pipe, a mixing tank and a purifying tank, and further comprises an ion exchange mechanism comprising a shaking assembly, a driving assembly and a partition plate, a containing groove used for containing ion exchange resin is formed in the outer wall of the fourth round rod, a plurality of first filtering holes are formed in the lower end face of the containing groove, and stirring rods symmetrically abut against the upper end face of the containing groove. The shaking assembly comprises first round rods symmetrically installed on the outer wall of the fourth round rod, the upper end faces of the first round rods abut against fixing blocks, two sets of first slopes and second slopes which are connected end to end are evenly arranged on the outer walls of the fixing blocks along the circumferences of the fixing blocks, and the first slopes are in a step shape; the filter assembly comprises a collecting assembly and a filter screen, and the filter screen is funnel-shaped. The problem that the quality of disinfectant fluid is affected due to the poor deionization effect of an existing device is solved.

The invention relates to the technical field of resource recycling of industrial waste liquid, in particular to a cyclic treatment and reutilization method of alkali liquor for chitosan preparation, which comprises the following steps: step 1, on-line monitoring and shunting of the state of the alkali liquor; step 2, multi-stage separation and impurity removal; 3, dynamic regulation and control of ion components: adjusting the flow rate based on the change rate of the conductivity value at the inlet of the ion exchange resin column, and triggering resin regeneration when the pH value at the outlet reaches a regeneration critical point; 4, alkali activity compensation: dynamically supplementing alkali according to the effective alkali concentration of regenerated alkali liquor and the demand of a target recycling process section; and 5, sequential control recycling: injecting fresh alkali liquor when the initial-stage deacetylation reaction is started, and proportionally pumping regenerated alkali liquor when the middle-stage reaction reaches a temperature peak value. According to the method, the quality and the reaction efficiency of the alkali liquor are effectively controlled, various parameters in the production process are optimized through accurate dynamic regulation and control, the recycling rate of the alkali liquor is increased, the production cost is reduced, and the dual effects of environmental protection and energy conservation are achieved.

The invention discloses a method for synthesizing electronic-grade ethyl acetate through catalytic esterification of acidic ion exchange resin, and belongs to the technical field of ethyl acetate preparation. The method comprises the following steps: mixing crosslinked polystyrene white balls and a swelling agent, and dropwise adding concentrated sulfuric acid for reaction to obtain S-PS resin; mixing an EDTA disodium salt saturated solution and a polyacrylic acid solution, adding a cross-linking agent and an emulsifier, and carrying out a cross-linking curing reaction to obtain EDTA microcapsules; the preparation method comprises the following steps: dispersing S-PS resin in a solvent, adding EDTA microcapsules, a dehydration condensation agent and a catalyst, reacting under the protection of inert gas, and filtering and recovering after the reaction is finished to obtain S-PS-EDTA resin; mixing glacial acetic acid, absolute ethyl alcohol and S-PS (at) EDTA resin for reaction, and filtering and collecting liquid after the reaction is finished; and rectifying the collected liquid to obtain the product. According to the method provided by the invention, metal impurities can be chelated in the synthesis process, and the electronic-grade ethyl acetate with high purity and low impurity content is produced.

The invention relates to the technical field of industrial waste treatment and silver nitrate preparation, in particular to a method for preparing high-purity silver nitrate from silver-containing waste. The method comprises the following steps: reducing the silver-containing waste by adopting a liquid phase reduction method, pickling to remove impurities, putting the silver-containing waste into a medium-frequency induction furnace, performing high-temperature smelting and ingot casting, performing electrolytic purification to obtain crude silver powder, and performing smelting and ingot casting on the crude silver powder to obtain a raw material national standard No.1 silver ingot for preparing silver nitrate; the method comprises the following steps: putting a national standard No.1 silver ingot and a nitric acid solution into a reaction kettle according to a certain proportion for dissolving silver, carrying out adsorption and impurity removal on a dissolved solution through ion exchange resin, carrying out adsorption and impurity removal on a primary filtrate through chelating type adsorption resin, and carrying out centrifugation, evaporative crystallization, drying and other processes on a secondary filtrate to obtain the high-purity silver nitrate. The method is easy to implement, the recovery rate of the silver-containing waste materials is high, the high-purity silver nitrate product can reach the premium-grade pure standard, and the technological process is environmentally friendly.

A composition for reducing the concentration of cyanuric acid and other contaminants in treated recreational water, including swimming pools and other recreational bathing structures, said composition comprising at least one ion exchange resin and at least one surface-modified activated carbon, a pouch comprising the composition, and a method reducing the concentration of cyanuric acid and other contaminants in treated recreational water, said method comprising adding the composition to or putting the composition in contact with treated recreational water.

The utility model relates to a resin containing container, a water softening system and water softening machine equipment, the resin containing container is applied to the water softening system, the water softening system comprises a softening cavity, a liquid flow channel of the softening cavity is used for storing ion exchange resin, and the total transverse length of the liquid flow channel in the softening cavity is larger than the total longitudinal length of the liquid flow channel; and the liquid moves in the horizontal direction when passing through the ion exchange part in the softening cavity. According to the embodiment of the invention, through the softening cavity of the resin container of which the total transverse length of the liquid flow channel is greater than the total longitudinal length of the liquid flow channel, the size of the space occupied by the resin container can be reduced while the dissolved salt flow channel of the resin container can be effectively prolonged, and the exchange efficiency of hardness ions in a water body is improved while the miniaturization of water softener equipment is facilitated.

The present invention is related to the orodispersible pharmaceutical composition of safinamide comprising safinamide or its pharmaceutically acceptable salt thereof, ion exchange resin and one or more pharmaceutical acceptable excipients, wherein the said orodispersible pharmaceutical composition of safinamide is used for the treatment of Parkinson's disease.

To provide a diaphragm for a redox flow battery which has good proton conductivity, selective permeability, low internal resistance, excellent active material permeation prevention function, and good handleability.SOLUTION: A diaphragm 1 for a redox flow battery is configured such that the outside of a sheet-like core material B made of a polyester nonwoven fabric is covered with a protective layer Lp made of an acrylic water-absorbing polymer, and a resin film Li made of an ion-exchange resin (mainly composed of rosin and shellac resin) containing porous inorganic granules (diatomaceous earth) carrying a metal sulfide compound is laminated on the outside of the protective layer Lp.SELECTED DRAWING: Figure 3

The invention discloses a furan distillation and purification device for tetrahydrofuran raw materials, which comprises a distillation box, a preheating channel, a distillate flow guide assembly and a multi-stage filter assembly, and the multi-stage filter assembly comprises a first ultrafiltration membrane treatment mechanism, a second ion exchange resin treatment mechanism and a third molecular sieve treatment mechanism. The upper part of the feeding end of the distillation box is connected with a preheating channel, and inner inclined plates are arranged at the bottom of the distillation box and below the preheating channel. According to the furan distillation and purification device for the tetrahydrofuran raw material, when an existing furan distillation and purification device is used for treating a furan solution, although part of impurities can be removed, the purification effect is not thorough, and impurity residues still exist; meanwhile, the device is high in energy consumption in the distillation and extraction process and needs to depend on the combined use of a plurality of devices, so that the operation complexity is increased, the large loss is caused in the material conveying process, and the overall purification efficiency and the product quality are influenced.

The invention discloses a method for preparing a high-performance AEM water-electrolyzed hydrogen production membrane electrode, which comprises the following steps: respectively preparing an AEM water-electrolyzed hydrogen production anode and an AEM water-electrolyzed hydrogen production membrane cathode, then placing the AEM water-electrolyzed hydrogen production anode and the AEM water-electrolyzed hydrogen production cathode on two sides of an anion exchange membrane, and sealing edges to prepare the AEM water-electrolyzed hydrogen production membrane electrode, the preparation method comprises the following steps: mixing catalyst powder with a solvent to prepare catalyst prefabricated slurry, adding an anion exchange resin solution in batches, adding a hydrophobic binder to prepare catalyst slurry, coating the surface of a hydrophobic modified diffusion layer with the slurry, and finally coating the surface of the diffusion layer with the anion exchange resin solution to prepare the hydrophobic modified diffusion layer. And soaking in an organic solvent, and washing. According to the prepared AEM water electrolysis hydrogen production membrane electrode, on the basis that oxygen bubble retention can be reduced, the stability is improved, and meanwhile the activity of the membrane electrode is improved.

The invention relates to the technical field of synthesis of a polymerization inhibitor DNBP, in particular to an efficient production method of the polymerization inhibitor DNBP, which comprises the following steps: step 1, material preparation: selecting corresponding raw materials, weighing and classifying the raw materials, and dividing the raw materials into three main materials, auxiliary materials and additives, the auxiliary material comprises a sulfonic acid type ion exchange resin catalyst, the additive is an ethanol-water mixed solvent, and during weighing, weighing and proportioning are performed according to the molar ratio of nitric acid to o-tert-butylphenol being 2.15: 1 and the mass ratio of o-tert-butylphenol to carbon tetrachloride being 0.15: 1; according to the method, a gradient temperature control strategy is adopted, and a multi-stage microchannel reactor is combined, so that efficient mass and heat transfer of nitration reaction is realized, deep nitration side reaction is inhibited, the content of dinitro isomer impurities is greatly reduced, meanwhile, the total residence time can be accurately controlled, the explosion risk caused by local overheating in a traditional process is avoided, and the method is suitable for industrial production. The reaction selectivity and the safety are obviously improved.

The invention relates to the technical field of biology, and particularly discloses a method for removing lactulose-based isomers in an oligosaccharide separation and purification process. The method comprises the following steps: taking oligosaccharide fermentation liquor for producing oligosaccharide through fermentation by using lactose as a substrate, sequentially carrying out thallus removal, decoloration, electrodialysis desalination, ion exchange resin desalination, concentration, sequential simulated moving bed chromatographic purification, ultrafiltration, re-concentration and spray drying, and detecting the oligosaccharide and the lactulose-based isomer in the oligosaccharide. According to the method disclosed by the invention, the content of lactulose-based isomers in the separation and purification process is greatly reduced, so that the product purity is effectively improved; the method can be applied to the synthesis process of other milk oligosaccharides such as fucose lactose (FL), lactose-N-tetraose (LNT), lactose-N-neotetraose (LNnT), lactose-N-fucopentasaccharide (LNPFI) and the like or other carbohydrates containing a lactosyl group, has a very high application value, and accords with laws and regulations.

The invention discloses a microwave digestion-liquid flash spectrometer strontium isotope rapid detection system for multiple types of samples. The automatic sample injection module automatically identifies, grabs and conveys a sample by means of an image and radio frequency identification technology. The microwave digestion module is provided with a self-adaptive program, temperature and pressure are dynamically regulated and controlled through a PID algorithm according to sample characteristics, and efficient and safe digestion is ensured. The automatic separation and purification module intelligently selects a solid-phase extraction column or an ion exchange resin column to purify a sample by matching spectral analysis with a database. The liquid flash spectrometer detection module accurately collects signals by means of a high-sensitivity element and an algorithm. The data processing and control system adopts a multi-layer perceptron neural network, so that the strontium isotope content can be intelligently judged, and the source of abnormal data can be traced. In addition, the system has the functions of automatic cleaning and maintenance, emergency detection flow and remote monitoring, all the modules are connected through standardized interfaces, and the expansibility is high. The system is high in automation degree and accurate in detection, and an efficient and reliable scheme is provided for strontium isotope detection.

The invention discloses a preparation method of an ion exchange nanofiber membrane with high ion exchange capacity, which comprises the following steps: grinding and sieving a certain amount of strongly acidic cation exchange resin, adding the cation exchange resin into a PVDF (Polyvinylidene Fluoride) solution with DMAc as a solvent, uniformly mixing and stirring, and obtaining a nanoscale out-phase PVDF cation exchange membrane by adopting an electrostatic spinning processing method. A large number of ion exchange resin particles are dispersed in the heterogeneous PVDF cation exchange membrane and on the surface of the heterogeneous PVDF cation exchange membrane, and when the resin particles are in an aqueous solution, sulfonic acid groups (HSO3 < 2->) in the resin can exchange with ions in water, namely, a replacement reaction is carried out, so that metal ions dissolved in the water are removed. The prepared ion exchange membrane can remove alkali metal and alkaline earth metal ions in an aqueous solution, so that the total content of the alkali metal and alkaline earth metal ions in the solution is lower than 300mg / L.

The invention discloses a preparation method and application of high-purity silicon dioxide sol, and belongs to the technical field of functional inorganic nano-material manufacturing, and the method comprises the following steps: firstly, carrying out dilute acid preliminary impurity removal treatment on monatomic silicon powder, washing with water, drying, forming a reaction system by the monatomic silicon powder, water, a catalyst and a recoverable solid defoaming agent, and carrying out solid-liquid separation to obtain high-purity silicon dioxide sol; carrying out two-stage gradient heating reaction to obtain a silica sol primary product; recovering the solid defoaming agent in the silica sol primary product, filtering, carrying out oxidation treatment on the filtered silica sol by adding hydrogen peroxide to carry out two-stage heating oxidation treatment or ultraviolet ozone combined oxidation treatment, and then further removing impurities and concentrating by using mixed bed ion exchange resin and an ultrafiltration process to obtain the silica sol. The silicon dioxide sol is low in conductivity and good in polishing effect, and has a good application prospect in the field of electronic polishing.

The invention belongs to the technical field of pouring sealants, and particularly relates to a high-adhesion organic silicon electronic pouring sealant and a preparation method thereof. Comprising the following raw materials, the silicone rubber is prepared from alpha, omega-dihydroxyl polydimethylsiloxane, dimethyl silicone oil, hydroxyl silicone oil, methyltriacetoxysilane, ethyltriacetoxysilane, white oil, dibutyltin diacetate, fumed silica, methacryloyloxypropyl polyhedral oligomeric silsesquioxane, octahydro polyhedral oligomeric silsesquioxane, a platinum complex catalyst and an inhibitor. Acidic ion exchange resin and activated carbon. According to the invention, the octahydro polyhedral oligomeric silsesquioxane and the methacryloyloxypropyl polyhedral oligomeric silsesquioxane are subjected to a hydrosilylation reaction, so that a polyfunctional polyhedral oligomeric silsesquioxane material is introduced into the silicone rubber, the interaction force between the pouring sealant and a base material is greatly enhanced, and the adhesion is remarkably improved.

The utility model provides a high-salt-content organic wastewater treatment system. The system comprises a biochemical treatment system, an electrolytic oxidation system, a sludge contact reactor, a sludge concentration tank and a sludge filter press which are connected in sequence, water produced by the biochemical treatment system enters an electrolytic oxidation system, water produced by the electrolytic oxidation system enters a sludge contact reactor, sludge produced by the sludge contact reactor is fed into a sludge concentration tank, and water produced by the sludge contact reactor is directly used for hot disintegration of steel slag; or directly feeding into a membrane filtration system and / or an adsorption resin system and / or an ion exchange resin system for subsequent treatment. According to the utility model, the residual oxidability of water produced by electrolytic oxidation is reduced with lower cost, and meanwhile, the removal of water in cells by sludge is promoted, so that the sludge dewatering efficiency is improved; the residual chlorine content of the water produced by the system does not exceed the standard, and can be directly used for steel slag hot disintegration or a subsequent membrane treatment process, so that the service life of membrane treatment equipment is prolonged.

The utility model belongs to the technical field of ion exchange resin tanks, and particularly relates to an ion exchange resin tank cleaning device which comprises a base, a protective cover is arranged on the outer wall of the top of the base, a box door is hinged to the outer wall of the protective cover, a cleaning assembly is arranged on the inner wall of the protective cover, and the cleaning assembly is matched with the protective cover. The cleaning assembly comprises supporting blocks welded to the bottoms of the inner walls of the two sides of the protective cover, and threads are rotationally installed between the supporting blocks and the inner wall of the top of the protective cover. According to the ion exchange resin tank cleaning device, a servo motor drives a threaded rod to rotate so as to drive a spraying ring to descend gradually, and a high-pressure spraying head arranged on the inner wall of the spraying ring sprays out cleaning liquid, so that the cleaning liquid is attached to the outer wall of the tank body, and stains and pollutants on the outer wall of the tank body are dissolved; and the cleaning pad on the inner wall of the cleaning ring wipes the outer wall of the tank body from top to bottom, and compared with a traditional flushing and cleaning mode, the tank body is wiped again after flushing, so that the tank body is cleaner.