530 results about "Hydrogen ion" patented technology

The invention discloses forest steppe fire extinguishing barrier foam and a preparation method thereof.The foam is prepared from 5%-20% of a material A, 0.5%-0.8% of a material B, 1.8%-3% of a coagulant and the balance water through a foam generation system; the material A is prepared from 1 to 10 parts of organic aggregate and 100 to 200 parts of inorganic aggregate; the material B is composed of 2-7 parts of a composite surfactant and 1-6 parts of a cross-linking agent; the coagulant is carbon dioxide gas. The inorganic aggregate is condensed under the action of hydrogen ions generated by dissolution of carbon dioxide to form colloidal particles, the colloidal particles are polymerized and crosslinked with the organic aggregate to form a gel skeleton of a three-dimensional network structure, the foam is converted into gel foam, and a heat-insulating and anti-burning barrier layer is formed on the surface of a combustible. The fire extinguishing agent is high in fire extinguishing efficiency, good in heat insulation effect and environment-friendly, and has wide application prospects in forest and grassland fire disasters.

The invention relates to a K / O co-doped and cyano-grafted graphite phase carbon nitride material as well as a preparation method and application thereof. The material comprises three defect types, namely a C-O-C bond formed by a C-N = C bond in an oxygen substituted triazine skeleton, potassium ions existing between layers and cyano groups generated by protonation of amino groups at the edge. According to the material disclosed by the invention, K ions are doped into the g-C3N4 layer to form K-N bridge connection between layers, the material can be used as an electron channel to effectively accelerate electron migration, cyano groups at the edge have relatively strong electron-withdrawing capability and can be used as sites for adsorbing hydrogen ions, and introduced oxygen can be used as active sites for producing H2O2. The three components cooperate with each other to effectively promote transmission of photo-induced electrons and separation of photo-induced electron hole pairs, so that the photocatalytic effect is remarkably improved, and the photocatalyst is an efficient photocatalyst with excellent performance.

The invention provides a stable perovskite precursor solution and a preparation method and application thereof. The perovskite precursor solution comprises a solute, a solvent and a stabilizer; the stabilizer comprises a compound containing a reducing group and a hydrogen ion group capable of being ionized; the solute comprises bromomethylamine, formamidine iodide, chloromethylamine, cesium iodide, lead iodide and lead bromide. The preparation method comprises the following steps: mixing a solute and a solvent, adding a stabilizer into the mixture, and mixing to obtain the perovskite precursor solution. According to the invention, the specific composition of the perovskite precursor solution is designed, and a specific stabilizer is further used, so that the perovskite precursor solution with relatively high stability and a relatively good storage effect is prepared.

The invention relates to a low-cost high-stability urease inhibitor and a preparation method and application thereof.The preparation method includes the steps that montmorillonite is modified with inorganic acid to obtain inorganic acid modified montmorillonite, then hydrogen ions in the inorganic acid modified montmorillonite are exchanged with a cationic surface active agent to obtain quaternary ammonium salt surface active agent modified organic montmorillonite, and the quaternary ammonium salt surface active agent modified organic montmorillonite is used for preparing the urease inhibitor. After montmorillonite is subjected to organic modification, the hydrophobicity is greatly improved, and the organic modified montmorillonite has hydrophilicity and hydrophobicity. The organic modified montmorillonite interacts with amino acid residues in a urease flap region due to the hydrophobic effect, so that the amino acid residues are gathered in the organic modified montmorillonite due to the hydrophobic effect, urease conformational change is caused, catalytic activity on urea is lost, and the organic modified montmorillonite has a remarkable urease inhibition effect, is stable in chemical property and non-toxic in material, and can be used for preparing a novel urease inhibitor. The fertilizer is easy to disperse in fertilizer and soil and low in price.

The invention relates to the technical field of flow batteries, in particular to a bromine-chromium flow battery electrolyte and a flow battery. The electrolyte is composed of a basic electrolyte and an additive; the additive is an iodine elementary substance or an iodine-containing compound; the basic electrolyte comprises bromide ions, chromium ions and hydrogen ions; the molar concentration ratio of iodine to bromide ions in the electrolyte is (1: 8)-(1: 4), one or two of iodine elementary substances or iodide ions are used as additives, the bromide ions and the iodine elementary substances are complexed in the charging process to form I2nBr <-> to exist in the electrolyte, then the I2nBr <-> generates the bromine elementary substances through an electrochemical reaction, and the electrochemical reaction electrode potential (Egt) of I2nBr <->-Br2; the electrode potential (E = 1.0873 V vs.SHE) is higher than the electrode potential (E = 1.0873 V vs.SHE) of Br <->-> Br2, so that the energy density of the bromine-chromium flow battery is improved.

The invention relates to a novel composite bipolar membrane for preparing low-carbon alcohol alkali metal salt and an electrodialysis process of the novel composite bipolar membrane, and belongs to the technical field of membrane separation and electrochemical synthesis. The composite bipolar membrane comprises a cation exchange layer, a middle catalyst layer and an anion exchange layer which are sequentially laminated and compounded, the process comprises the following steps: introducing a salt solution containing alkali metal ions into an anode chamber of a bipolar membrane electrodialysis system, and introducing a low-carbon alcohol solution into a cathode chamber; applying a direct-current electric field to the two sides of the composite bipolar membrane, so that the low-carbon alcohol is dissociated at the membrane interface to generate alkoxy ions and hydrogen ions; the alkoxy ions migrate to an anode chamber to be combined with the alkali metal ions to generate low-carbon alcohol alkali metal salt; the membrane material is high in adaptability, the membrane structure is good in stability, technological parameters are mature, and the system integration degree is high.

The invention provides a microporous cathode electrochemical induced crystallization precipitation system and application thereof.The system comprises an anode chamber and a cathode chamber, an anode plate is a Ru / Ir mesh electrode, and a cathode plate is a stainless steel mesh cathode with the high mesh number of 100-300 meshs.According to the microporous cathode electrochemical induced crystallization precipitation system, the mesh cathode with the high mesh number is used for replacing a traditional anion exchange membrane; the high-mesh-number net-shaped cathode prevents hydrogen ions generated by the anode from migrating to the cathode chamber, the high-pH environment of the cathode chamber is guaranteed, the pH of the cathode chamber reaches up to 10.90, the phosphorus recovery efficiency reaches 93.14%, meanwhile, the cost is greatly reduced and is only 1.25% of that of an ion exchange membrane, needle-shaped nano-hydroxyapatite serves as an additional seed crystal, the needle-shaped nano-hydroxyapatite (ANHD) is put into the cathode chamber, and the yield of phosphorus is greatly increased. The seed crystal effect of ANHD is fully exerted, and the recovery efficiency of orthophosphorus is improved by 24.40%.

The invention provides a solar cell half-piece passivation coating method and a solar cell, a material box comprises a cover plate, a bottom plate and a side plate, the material of the cover plate and the bottom plate comprises a conductive material, the material of the side plate comprises an insulating material, a plurality of stacked cell pieces are arranged in the material box, at least one cell piece is in contact with the cover plate, and at least one cell piece is in contact with the insulating material. At least one battery piece is in contact with the bottom plate, the hydrogen passivation cavity comprises a heating cavity, a process cavity and a discharging cavity which are sequentially communicated, and the method comprises the steps that a material box is conveyed to the heating cavity, so that the heating cavity heats the material box; and the heated material box is conveyed to a process cavity, ATM gas is introduced into the process cavity so as to conduct film coating on the cutting faces of the multiple battery pieces, and in the film coating process of the multiple cutting faces, voltage is provided for the cover plate and the bottom plate so as to activate hydrogen ions in the multiple battery pieces. The problem that in the prior art, the passivation efficiency is low due to the fact that the passivation process duration of the half battery piece is long is solved.

The invention relates to the technical field of batteries, in particular to an all-vanadium redox flow battery SOC dual monitoring correction method and system. The method comprises the following steps: acquiring first SOC data through potential monitoring, wherein the first SOC data comprises a positive charge-discharge state SOC positive, n and a negative charge-discharge state SOC negative, n; second SOC data including SOC positive ', n and SOC negative', n are obtained through electrolyte valence state concentration monitoring; calculating correction coefficients kappa positive and kappa negative according to the first SOC data and the second SOC data; and finally, correcting the third SOC data by using the correction coefficient to obtain an actual SOC value. According to the method, a dual monitoring mode is adopted, the real-time online characteristic of potential monitoring is utilized, the high-precision advantage of electrolyte concentration monitoring is combined, the two monitoring methods are organically combined through a correction coefficient, and the problems that single potential monitoring is affected by hydrogen ion concentration and the electrolyte concentration monitoring cannot realize real-time online monitoring are solved. According to the method, the correction frequency of 0-10 days is designed, the correction timeliness and sampling interference are reasonably balanced, and the accuracy of SOC monitoring is improved.

To provide a hydrogen ion conductive multi-layer composite membrane having excellent durability, ion conductivity, and hydrogen permeation reduction effect.SOLUTION: The present invention provides a hydrogen ion conductive multilayer composite membrane comprising: inner reinforced membranes comprising a porous PTFE layer impregnated with an ionomer composition and outer reinforced membranes positioned on both sides of the inner reinforced membrane, wherein the outer reinforced membranes comprise a porous PTFE layer impregnated with an ionomer composition.SELECTED DRAWING: Figure 1

The invention discloses a derivatization device and a derivatization method for on-line production of a derivatization reagent, the device comprises a chemical column suppressor, a reaction reagent, a six-way valve, a derivatization reactor, a pump system and a flow path system, and the chemical column suppressor, the reaction reagent, the six-way valve and the derivatization reactor are connected through the flow path system; the six-way valve is provided with a regeneration flow path, a cleaning flow path and a generation flow path, and the three suppression columns of the chemical column suppressor are respectively connected with the regeneration flow path, the cleaning flow path and the generation flow path in turn; the three suppression columns of the chemical column suppressor respectively and sequentially displace hydrogen ions in the regeneration flow path, clean in the cleaning flow path and react in the generation flow path to generate hydriodic acid. By adopting the chemical column suppressor with the three suppression columns, derivative reagents can be continuously generated, and the generation efficiency of the derivative reagents is improved.

The invention relates to a preparation method of a photovoltaic cell and the photovoltaic cell, and the preparation method comprises the steps: preparing a substrate which comprises a first surface and a second surface which are opposite to each other, and the first surface is of a textured structure; placing the substrate into an ALD (atomic layer deposition) chamber; sequentially depositing an aluminum-silicon layer and an aluminum oxide layer on the first surface; putting the substrate with the aluminum-silicon layer and the aluminum oxide layer into a PECVD (Plasma Enhanced Chemical Vapor Deposition) deposition chamber; depositing a silicon nitride layer on the aluminum oxide layer; introducing ammonia gas into the PECVD deposition chamber, starting a radio frequency power supply, and ionizing hydrogen ions in the ammonia gas; and diffusing the hydrogen ions to the aluminum-silicon layer. The aluminum-silicon layer forms an aluminum-silicon bond on the first surface of the substrate, hydrogen ions are diffused to the aluminum-silicon layer to form an aluminum-hydrogen bond, when ultraviolet light irradiates the surface of the photovoltaic cell, the aluminum-hydrogen bond can reduce the possibility that the silicon-hydrogen bond on the surface of the silicon layer is damaged by the ultraviolet light, the chemical passivation loss of the photovoltaic cell is reduced, and then the conversion efficiency is improved.

The invention discloses a method for determining the content of hydrogen ions in a chloroplatinic acid solution, and belongs to the technical field of analytical testing. In order to solve the problems that the chloroplatinic acid solution is yellow after being diluted and the manual titration end point is difficult to judge, a potentiometric titration method is adopted, and the end point is determined by measuring electrode potential mutation without depending on indicator color change. The method comprises the steps of test condition preparation, burette calibration, standard solution preparation and calibration, sample treatment and titration, result calculation and the like, a full-automatic potentiometric titrator is selected, the titration volume is controlled within the range of 10-15 mL, and a sodium hydroxide standard solution is used for sample titration after calibration. The relative standard deviation of the determination result is less than 0.5%, the adding standard recovery rate is between 96.3% and 103.1%, and the method has the characteristics of high analysis speed, high accuracy and good stability, is suitable for accurate detection of hydrogen ions in chloroplatinic acid production and quality inspection, and effectively solves the defects of the traditional method.

The embodiment of the invention relates to a method for initiating in-situ polymerization of an electrolyte solution through electrochemical induction. A solvent of the electrolyte solution comprises cyclic ether molecules and halogen atom substituted ethylene carbonate molecules; the method comprises the following steps: carrying out constant-current charging on a battery to a set voltage, and carrying out constant-voltage charging for a specific time under the set voltage, so that halogen atoms of halogen atom substituted ethylene carbonate molecules are removed under the reduction potential of the negative electrode side of the battery to generate free radical sites, two molecular structures after halogen atoms are removed are mutually combined through the free radical sites to form a dimer, the dimer is migrated to the positive electrode side in an electrolyte solution, dehydrogenation reaction is carried out under the action of oxidation potential applied to the positive electrode side, and in-situ ring-opening polymerization reaction of cyclic ether molecules is initiated through removed hydrogen ions; therefore, in-situ polymerization solidification of the electrolyte solution is realized under the condition that a conventional initiator is not contained.

The preparation method comprises the following steps: mixing and stirring polyvinyl alcohol and deionized water, cooling, adding glycerol and hyaluronic acid, stirring, adjusting the pH value to be acidic, cooling, adding a modified additive, stirring, injecting into a mold, repeatedly freezing and thawing, and carrying out vacuum drying to obtain the anti-wrinkle and anti-aging polymer hydrogel mask. In the using process of the hydrogel mask, when the internal modified additive makes contact with the skin surface, due to the weak acidity of the skin, an iron organic frame structure on the surface of the modified additive is attacked by hydrogen ions, coordinate bonds of the modified additive are damaged, and a skeleton is partially or completely dissociated; the active substances can be slowly released under the action of the modified additive, advanced oxidation caused by too fast release of the active substances is prevented, and the modified additive also contains a nano silicon dioxide structure, so that the mask has certain air permeability, the strength, elasticity and toughness of the mask are improved, and the mask cloth is prevented from being easily torn.

The utility model belongs to the technical field of water purification, and discloses a water purifier. The water purifier comprises a machine shell and a hydrogen-rich module, the hydrogen-rich module comprises a cup assembly and a hydrogen-rich assembly, and a through hole is formed in the bottom of the cup assembly; the hydrogen-rich assembly is detachably arranged at the bottom of the cup assembly, the hydrogen-rich assembly comprises a reaction cavity and an electrode arranged in the reaction cavity, the through hole is communicated with the reaction cavity, and the electrode is used for ionizing water to generate hydrogen ions. The cup assembly and the hydrogen-rich assembly are detachably connected, so that the hydrogen-rich assembly can be independently replaced or maintained, the maintenance cost is reduced, and the use experience of a user is improved. A hydrogen-rich component of the hydrogen-rich module in the water purifier can be independently replaced, so that the maintenance cost is low; the hydrogen-rich module is located on the front side of the machine shell, the hydrogen-rich module is convenient to maintain, and the user experience is improved.

The utility model belongs to the technical field of water purification treatment, and discloses water purification equipment. The water purification equipment comprises a hydrogen-rich module, the hydrogen-rich module comprises an inner cavity and an electrode arranged in the inner cavity, the electrode is used for ionizing water to generate hydrogen ions, the hydrogen-rich module comprises a water inlet and a water outlet which are communicated with the inner cavity, the water inlet is used for introducing liquid, and the water outlet is used for supplying water to the outside; at least part of the hydrogen-rich module is made of a transparent material and is positioned outside the water purification equipment, so that bubbles generated in the ionization process are visible from the outside of the water purification equipment. The water purification equipment can be used for preparing hydrogen-rich water for a user to use; bubbles generated in the hydrogen production process can be seen from the outside of the water purification equipment, so that the visual experience of drinking the hydrogen-rich water by a user is improved, and the use requirements of the user are met.

According to the method for co-production of the wet-process phosphoric acid and the iron phosphate through membrane separation, an acid-resistant nanofiltration membrane is adopted to perform first-stage membrane separation on the wet-process phosphoric acid, and a first-stage clear phase is obtained; performing second-stage membrane separation on the first-stage clear phase through an acid-resistant nanofiltration membrane to obtain a second-stage concentrated phase and purified acid; mixing the purified acid, the filter cake and water to perform crystal transformation reaction, filtering and drying slurry, and calcining a solid phase to obtain the anhydrous iron phosphate. According to the method, the wet-process phosphoric acid is subjected to membrane separation by using the two-stage acid-resistant nanofiltration membrane to obtain the purified acid and the concentrated acid, and the purified acid and the concentrated acid are both used as raw materials for producing the battery-grade iron phosphate, so that raw material waste is avoided, and atomic economy is realized. The membrane separation is simple in operation, low in cost and low in energy consumption, phosphorus combined with hydrogen ions is separated into purified acid through membrane separation, phosphorus combined with impurity ions is separated into concentrated acid, and phosphorus combined with the hydrogen ions contained in the concentrated acid is precipitated into a filter cake through auxiliary precipitation and ammonia neutralization to be used as a fertilizer.

The invention provides a curing agent, a two-component coating, a coating and application of the two-component coating and the coating, and belongs to the technical field of heavy anti-corrosion coatings. The curing agent provided by the invention is prepared from the following raw materials in parts by mass: 60-85 parts of a phenolic aldehyde amine curing agent, 5-20 parts of diethylenetriamine and 5-20 parts of a hydroxymethyl urea compound. The hydroxymethylurea compound is introduced into the curing agent, and carbonyl of the hydroxymethylurea compound has a strong electron withdrawing effect, so that adjacent secondary amino groups hardly participate in an epoxy curing reaction at room temperature; hydrogen on a secondary amine group in the introduced hydroxymethyl urea compound and hydroxymethyl of the hydroxymethyl urea compound are subjected to a dehydration self-polymerization reaction to form a macromolecular product, so that erosion of hydrogen ions is effectively prevented, internal gaps of the coating are filled, further corrosion of water, the hydrogen ions and salt to the coating is prevented, and the purpose of resisting acid corrosion is achieved.

The utility model discloses an electrochemical treatment system, which comprises a container filled with electrolyte. The cathode is placed in the container; the anode is placed in the container; the power supply is respectively connected with the anode and the cathode through wires; the active region of the anode is coated with a filler layer; the utility model has the innovation points that the anode is wrapped with the filler layer, so that hydrogen ions produced by the anode react with the material of the filler layer to the greatest extent, the neutralization effect of H < + > on OH <-> produced by the cathode is further relieved, the efficiency of an electrochemical induced precipitation technology is greatly improved, the energy consumption is remarkably reduced, and the regulation and control of the precipitation position of a product are facilitated.

The invention relates to a flow battery hydrogen evolution reaction real-time monitoring method and system, and the method comprises the steps: obtaining real-time data in a battery management system; calculating the hydrogen ion concentration in the positive electrode electrolyte in the flow battery by adopting a simultaneous equation; according to the hydrogen ion concentration in the positive electrode electrolyte, the negative electrode equilibrium mixed potential is calculated by combining the positive electrode equilibrium potential; calculating the equilibrium potential of the negative electrode hydrogen evolution reaction according to the negative electrode equilibrium mixed potential; calculating the hydrogen ion concentration in the negative electrode electrolyte according to the equilibrium potential of the negative electrode hydrogen evolution reaction; calculating the amount of substance of hydrogen ions for hydrogen evolution according to the concentration of the hydrogen ions in the negative electrode electrolyte and a simultaneous equation; the amount of substance in which hydrogen is precipitated is calculated on the basis of the amount of substance of hydrogen ions for hydrogen precipitation. An electrochemical calculation formula is established through BMS real-time data, a gas concentration sensor does not need to monitor the gas phase concentration, the cost is reduced, meanwhile, the system real-time performance is improved, the monitoring result is not influenced by working condition fluctuation, and the data reliability is improved.

The invention relates to the technical field of waste hydrogenation catalyst treatment, and discloses a recovery method of active metal in a waste hydrogenation catalyst, a preparation method of a residual oil hydrogenation catalyst and application of the residual oil hydrogenation catalyst, and the method comprises the following steps: (1) leaching the waste hydrogenation catalyst by using an acid solution to obtain a leachate; (2) the concentration of hydrogen ions in the leachate is adjusted to be 0.05-2 mol / L, then the leachate is in contact with a first extraction agent, washing and reverse extraction are conducted, and a Mo solution is obtained; (3) adjusting the pH value of the first raffinate to 1-2.1, then contacting the first raffinate with a second extraction agent, and then carrying out washing and reverse extraction to obtain an Al solution; and (4) adjusting the pH value of the second raffinate to 2.2-3.5, then contacting the second raffinate with a third extraction agent, and then carrying out washing and reverse extraction to obtain a Ni and / or Co solution. The method can realize hazardous waste resource utilization, and can significantly reduce the production cost of the hydrogenation catalyst.

The invention relates to the technical field of wastewater treatment, in particular to a multi-stage treatment method and system for lead smelting wastewater. The method comprises the following steps: acquiring water quality data of the multi-source lead-acid storage battery smelting wastewater, and based on the water quality data, analyzing to obtain a battery wastewater multiphase feature set; on the basis, the information of the stabilized intermediate water body is obtained by dynamically adjusting the hydrogen ion concentration, breaking a complexing structure and preferentially separating fluoride; on the basis, the antimony valence state and the antimony concentration are monitored in real time, the oxidizing agent type and the reaction intensity are matched in a self-adaptive mode, oriented efficient conversion of antimony is achieved, and low-antimony pre-sedimentation water outlet information is obtained; on the basis, according to the dynamic proportion of the inlet water hydrogen ion concentration to the lead and antimony ions, a precipitation path control instruction is automatically switched, a purified water body with lead and antimony synchronously and deeply removed is obtained, and a lead smelting wastewater multi-stage treatment log is output. Harmful pollutants in the lead smelting wastewater process are efficiently removed, the method adapts to water quality fluctuation, consumption reduction and cost saving are achieved, compliance treatment of wastewater is achieved, and environment-friendly and economic values are achieved.

The invention relates to the technical field of photocatalytic hydrogen evolution, in particular to a transition metal anchored single-layer CuInP2S6 nanosheet as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing a single-layer CuInP2S6 nanosheet dispersion liquid with a salt solution of transition metal, and carrying out hydrothermal reaction to obtain an intermediate product; and under a protective atmosphere, roasting the intermediate product to obtain the transition metal anchored single-layer CuInP2S6 nanosheet. The adsorption capacity of atoms on the surface of the nanosheet to hydrogen ions is influenced by a transition metal anchoring method, so that the activity of the single-layer CuInP2S6 nanosheet hydrogen production catalyst is improved. Meanwhile, the preparation process of the transition metal anchor is simple and easy to implement, the content of transition metal on the earth is rich, and industrial production and application are facilitated.

The present application belongs to a kind of medical radioisotope preparation field, specifically related to a kind of method for extracting lead-212 and bismuth-212 in thorium-232 decay chain, solution containing thorium-232 decay chain material is passed through anion exchange resin column, the solution containing thorium-232 decay chain material includes halogen ion, and the concentration of hydrogen ion in the solution containing thorium-232 decay chain material is greater than 0.01mol / L, lead-212 and bismuth-212 are absorbed by anion exchange resin column, and other nuclides directly pass through anion exchange resin column and are not absorbed, lead-212 and bismuth-212 are desorbed from anion exchange resin column by elution reagent, and lead-212 and bismuth-212 are separated and extracted;The present application can extract lead-212 and bismuth-212 simultaneously, and the extraction speed is fast, the purity is high, and the product is not easy to cause organic pollution.

A display device includes an inorganic insulating layer disposed on a substrate, a hydrogen supply layer disposed on the inorganic insulating layer, a pixel electrode contacting the hydrogen supply layer, and an interlayer that receives a hydrogen ion from the hydrogen supply layer and is disposed on the pixel electrode.

A wastewater stream is flowed from a separator to an anode side of a microbial electrolysis cell (MEC). The wastewater stream includes water and hydrocarbons. The separator is positioned in a gas-oil separation plant. The MEC electrolyzes the hydrocarbons to produce hydrogen ions. A membrane separates the MEC into the anode side and a cathode side. The membrane allows the hydrogen ions and water molecules to pass through the membrane from the anode side to the cathode side, thereby forming a treated wastewater stream at the cathode side. The MEC combines the hydrogen ions at the cathode side to produce hydrogen gas. The treated wastewater stream and a hydrogen gas stream is discharged from the cathode side. The hydrogen gas stream includes the hydrogen gas produced by the MEC. The hydrogen gas stream is oxidized into water. Electrical power is generated in response to oxidizing the hydrogen gas into water.

The invention provides a proton helium ion treatment device. The proton helium ion treatment device comprises an injector, an accelerator, a rotating rack, a treatment head, a beam distribution system and a six-dimensional treatment bed which are sequentially arranged in the conveying direction of a beam. The injector comprises a hydrogen ion source and a helium ion source which can be switched; the treatment head and beam distribution system comprises an integrated scanning magnet, a position ionization chamber, a dose ionization chamber, a ridge-shaped filter and a range shifter which are installed on a treatment head support and sequentially arranged in the beam conveying direction, and the integrated scanning magnet is used for beam deflection in the transverse X direction and the transverse Y direction at the same time. A cone beam CT system is further fixedly installed on the rotating rack, and precise positioning and positioning correction of a patient are achieved in combination with the six-dimensional mechanical arm treatment bed. The proton helium ion treatment device can meet the requirement for high precision of patient positioning in ion treatment, ion treatment with optional proton helium ions can be achieved, and the treatment system is more compact through the design of the integrated scanning magnet.

The invention discloses a non-aqua regia gold extraction agent and method for recovering precious metal from waste containing precious metal. The non-aqua regia gold extraction agent is composed of nitrate, metal chloride and weak acid, by precisely regulating and controlling the concentrations of nitrate, chloride ions and hydrogen ions in the non-aqua regia gold extraction agent, the precious metal in the waste containing the precious metal can be subjected to green, efficient and selective oxidation leaching under the normal temperature condition, the precious metal ions in the leaching solution are subjected to reduction operation, and therefore the recovery rate of the precious metal in the waste containing the precious metal is improved. And a pure noble metal product can be obtained. Compared with a traditional aqua regia method, the method has the advantages that strong acid reagents such as concentrated nitric acid and concentrated hydrochloric acid are not used, corrosion to equipment and operation risks are remarkably reduced, and secondary emission of harmful gas is avoided. The method has the remarkable advantages of being environmentally friendly, easy and convenient to operate, mild in reaction condition, low in equipment requirement, high in leaching rate and the like, is suitable for large-scale and industrial production, and has wide application prospects and commercial value in the field of precious metal recovery.

The invention discloses a hydrogen conductivity electric regeneration ion exchange system, and relates to the field of hydrogen conductivity. The hydrogen conductivity electric regeneration ion exchange system comprises an EDI module main body, a sample injection valve, a filter, a measuring cell and a flow meter. According to the hydrogen conductivity electro-regeneration ion exchange system, a detected water sample enters the EDI module main body, cations are exchanged into hydrogen ions under the exchange action of cation exchange resin, the anode is subjected to an oxygen evolution reaction to generate the hydrogen ions, and the generated hydrogen ions move towards the cathode under the action of an electric field; in the operation process, the system continuously carries out cation adsorption-regeneration, the advanced electrodeionization technology is adopted, the cations in water vapor are efficiently removed, automatic regeneration of the EDI resin is achieved, dynamic balance is maintained, and manual regeneration of the resin is not needed.