67 results about "Bromide ions" patented technology

The invention relates to an electrolyte for synergistically stabilizing positive electrode iodine multi-electron reaction through four-combination zinc salt and a high-surface-capacity zinc-iodine soft package battery. The electrolyte comprises the four-combination zinc salt and water, in the electrolyte, the total concentration of zinc ions in the four combinations of zinc salts is 2 + / -0.2 mol / L; the four-combination zinc salt is a four-combination zinc salt; the SO4 < 2-> in the electrolyte buffers the pH value of a system, so that side reaction of a negative electrode is reduced; cH3COO <-> can be cross-linked with I3 <->, so that shuttling of polyiodide is inhibited, and reversibility of a two-electron reaction is enhanced; bromide ions Br <-> in the electrolyte are chemically combined with I < + > through isohalogen to excite four-electron reaction; the trifluoromethanesulfonate OTf <-> with strong electronegativity surrounds the positive electricity I < + > by virtue of an ion atmosphere effect, so that active water molecule attack hydrolysis failure is avoided, a synergistic stable positive electrode iodine multi-electron reaction is realized, and the high-surface-capacity zinc-iodine soft package battery is beneficial to promoting the development of the zinc-iodine battery to practical application.

The invention relates to the technical field of organic synthesis, in particular to a method for synthesizing cyclopentane compounds through [3 + 2] cycloaddition reaction of aryl cyclopropane and olefin under the synergistic catalysis of bromide ions / visible light. The method comprises the following steps: in a nitrogen atmosphere, sequentially adding aryl cyclopropane, a benzyl malononitrile derivative, pyridine tribromide and a photocatalyst into a reaction solvent to obtain a mixture, stirring the mixture at the temperature of 40 DEG C under the irradiation of a 12W blue light LED lamp until the reaction is complete, and performing concentration and column chromatography purification to obtain the cyclopentane compound. The method has the advantages of mild reaction conditions, simple operation, simple and easily available raw materials and low cost.

The application discloses polylactic acid polyol as well as a preparation method and application thereof, and the preparation method comprises the following steps: preparing an in-situ catalyst by heating reaction of a zinc salt, an organic ammonium salt and bis(ethylene carbonate) ether; the anion of the organic ammonium salt is selected from any one of bromide, chloride and iodide; and a lactide monomer is added to obtain polylactic acid polyol through a polymerization reaction. The polylactic acid polyol prepared by the application has a flexible chain segment, can provide better flexibility, and can be applied to preparation of polyurethane materials.

The invention belongs to the field of post-treatment of organic chemical synthesis methods, and relates to a post-treatment method for propiconazole synthesis. A crude propiconazole product is used as a raw material and is subjected to an isomerization reaction under the combined action of a bromine-containing ionic liquid and sodium alkoxide to generate cis-propiconazole. The bromine-containing ionic liquid is imidazolium bromine salt: [CnH2n + 1-MIM] + Br <-> (n = 2-4) or pyridinium bromine salt: [CmH2m + 1-Py] + Br <-> (m = 2-4). The method is mild in process condition, low in reaction temperature, short in process path, simple to operate and high in safety, efficient conversion of low-efficiency trans-propiconazole and ineffective isomers is achieved, the content of cis-propiconazole in a treated sample is as high as 99%, the yield is as high as 97%, the economical efficiency of the process is improved, and the method is suitable for industrial production. And the ionic liquid used in the reaction can be further recycled, so that the atom utilization rate is increased.

The invention belongs to the technical field of nylon 66 polymer performance testing, and particularly relates to a method for simultaneously testing the content of iodide ions and bromide ions in a nylon 66 polymer, which comprises the following steps of: extracting the iodide ions and the bromide ions in the polymer by using weak acid salt (sub-carbonate or bicarbonate) instead of potassium nitrate as an ionic strength regulator; the acid environment in the extracted solution is adjusted with formic acid, silver nitrate is adopted as a titrant, iodide ions and bromide ions in the extract liquor are detected at the same time through potentiometric titration, and the problem that the iodide ions and the bromide ions cannot be detected at the same time is solved.

The invention relates to the technical field of water treatment, and discloses a method and a device for recycling bromine triions based on irradiation coupling electronic control ion exchange and application, the method comprises the following steps: placing a bromine-containing stock solution in an electronic control ion exchange device which is a single-chamber device, irradiating the bromine-containing stock solution by using gamma rays, bromine ions in the bromine-containing stock solution are oxidized and react to form bromine triions; and then switching on a circuit and applying an oxidation potential to the working electrode to drive the bromine triions to directionally move towards the membrane and adsorb the bromine triions, and selectively recovering the bromine triions. The device comprises a single-chamber reactor, a liquid path system, a gamma-ray irradiation source for the single-chamber reactor, an electrochemical driving system, a two-electrode system with electrodes immersed in a bromine-containing stock solution, and a potential control system.

The preparation method comprises the following steps: after a micro electrode is prepared through 3D printing, iodine is loaded on the surface of the micro electrode to form an iodine positive electrode; preparing a zinc negative electrode matched with the iodine positive electrode in shape through laser engraving; uniformly mixing water, hyaluronic acid, hydrophilic silicon dioxide, zinc perchlorate and zinc bromide to form a gel electrolyte; and sequentially laminating the iodine positive electrode, the gel electrolyte and the zinc negative electrode on the substrate, and packaging to obtain the wide-temperature-range micro zinc-iodine battery. According to the gel electrolyte disclosed by the invention, hyaluronic acid and hydrophilic silicon dioxide lock water through hydrogen bonds formed between hyaluronic acid and hydrophilic silicon dioxide and water molecules, evaporation of water at a high temperature is inhibited, perchlorate inhibits solidification of water at a low temperature by destroying hydrogen bond structures between water molecules in a gel network, and a wide temperature range of a miniature battery is realized; meanwhile, bromide ions in the electrolyte are transmitted to a positive electrode through an interface to excite a four-electron reaction of iodine, so that the energy density of the micro zinc-iodine battery is improved.

The invention discloses a trigonelline metformin salt and a preparation method thereof, and the preparation method comprises the following steps: providing a resin column filled with anion exchange resin, treating the resin column with a salt solution for ion replacement activation to obtain an activated resin column, anions of the salt are chloride ions, bromide ions, acetate ions, malate ions, lactate ions, tartrate ions or citrate ions; enabling the trigonelline metformin iodized salt solution to pass through an activated resin column, and selectively collecting the exchanged solution; and carrying out concentration treatment on the collected exchanged solution to obtain the trigonelline metformin salt. In combination with a specific embodiment, compared with a trigonelline metformin iodate, the solubility of the trigonelline metformin salt prepared by the preparation method of the trigonelline metformin salt provided by the invention in water is greatly improved, so that the application range of the trigonelline metformin salt is greatly expanded.

The invention relates to the technical field of waste recycling, in particular to a harmless treatment and resource recycling method for bromine in bromine-containing waste, which comprises the following steps: putting the bromine-containing waste into a reaction solution, and heating for reaction to obtain debrominated waste and filtrate containing bromine ions; the reaction liquid comprises an alkaline substance, a copper compound precursor, a ligand and a solvent; the ligand is selected from at least one of a bidentate ligand containing two nitrogen sites, a polydentate ligand containing two nitrogen sites, a bidentate ligand containing two oxygen sites, a polydentate ligand containing two oxygen sites, a bidentate ligand containing one nitrogen and one oxygen site and a polydentate ligand containing one nitrogen and one oxygen site; the temperature of the heating reaction is not higher than 150 DEG C. The invention solves the problems of environmental pollution and bromine resource waste caused by organic bromine pollutants (such as highly toxic brominated dioxin) due to landfill, incineration and other traditional treatments after the brominated flame retardant (such as tetrabromobisphenol A, polybrominated diphenyl ether and the like)-containing plastic or resin is abandoned.

The application discloses a method for degrading brominated organic pollutants in water by using UV / H2O2, and first establishes a high-level oxidation treatment method for brominated pollutants in water by combining UV and H2O2, determines the initial concentration of the brominated pollutants and the adding proportion of the oxidant H2O2 by using absorbance, Lambert-Beer law and the principle of absorbance additivity, and verifies the rationality of the concentration settings of the brominated pollutants and the oxidant in the kinetics evaluation, and further establishes a detection method for bromide ions, which, compared with the traditional ion chromatography method, does not need an additional pretreatment process, avoids the matrix interference of coexisting organic matters, and greatly saves the experimental and instrument use costs; for the identification of degradation products, the method established by the application accurately detects the evolution trend of more than twenty structural molecules in the examples along with the treatment process, and the method can be widely applied to the wastewater treatment of brominated flame retardants, brominated phenols and other bromine-containing organic matters in the environment.

The invention provides a high-air-stability sulfide electrolyte and a preparation method thereof, and belongs to the technical field of energy storage batteries, LiI is selected as a raw material, LiBr is used as an additive to replace part or all of LiI, through bromine ion doping, crystal slight compression is caused, crystal lattice channels more beneficial to migration are formed, an energy barrier of lithium ion migration is reduced, and the air stability of the sulfide electrolyte is improved. The ionic conductivity of the material is obviously improved; the sulfide electrolyte structure has no free-state S < 2->, and the main structural unit is that the sensitivity of the material to moisture in air is reduced; meanwhile, bromide ions have high chemical stability, are difficult to oxidize by moisture or oxygen in the air, play a chemical passivation role in a crystal structure, can effectively prevent the moisture in the air from permeating and hydrolysis reaction, reduce the release of toxic byproduct gases and greatly improve the air stability.

Provided is a semiconductor etching solution having a large etching ratio of SiGe relative to Si when an object containing Si and SiGe is treated and having excellent storage stability. The semiconductor etching solution includes: a fluoride ion source; a carboxylic acid; a percarboxylic acid; hydrogen peroxide; and bromide ions, and a content of the bromide ions is less than 500 mass ppm with respect to a total mass of the semiconductor etching solution.

This invention discloses a high-efficiency sodium bromide recovery process for PTA wastewater, belonging to the technical field of wastewater treatment and bromine resource recovery and utilization in the production of purified terephthalic acid. The process includes the following steps: Pretreatment softening: A stream of bromine-containing wastewater generated during the production of purified terephthalic acid is provided. The bromine-containing wastewater is introduced into a chelating resin unit at a volume hourly space velocity (VHSV) to remove calcium and magnesium ions from the bromine-containing wastewater, resulting in softened water. Through a re-filtration enhanced salt separation step, the physical washing effect of the dialysis water is utilized to effectively wash the retained bromide ions into the product water side, overcoming the Donnan effect at high concentrations. Through an acidification and decarbonation step, the wastewater is transformed from a complex ternary system of carbonates, bromides, and sulfates into a simple binary system of sulfates and bromides, eliminating the interference of carbonate ions on the membrane system.

The present invention refers to a controlled method for depositing a chromium or chromium alloy layer on at least one substrate, the method comprising the steps (a) providing an aqueous deposition bath, wherein the bath comprises - trivalent chromium ions, - bromide ions, - alkali metal cations in a total amount of 0 mol / L to 1 mol / L, based on the total volume of the deposition bath, and the bath has - a target pH within the range from 4.1 to 7.0, (b) providing the at least one substrate and at least one anode, (c) immersing the at least one substrate in the aqueous deposition bath and applying an electrical direct current such that the chromium or chromium alloy layer is deposited on the substrate, the substrate being the cathode, wherein during or after step (c) the pH of the deposition bath is lower than the target p H, (d) adding NH4OH and / or NH3 during or after step (c) to the deposition bath such that the target pH of the deposition bath is recovered.

The invention discloses a three-phase catalytic oxidation treatment system for printing and dyeing wastewater, belongs to the technical field of sewage treatment, and solves the problems of treatment of wastewater by ozone catalysis, monitoring of missing of trace toxic by-products and metal leaching, poison of effluent and ozone consumption, acidification inactivation circulation and silent collapse of the system. Comprising a pulse electrolysis pretreatment unit used for decomposing pollutants through pulse electrolysis oxidation and adjusting current and duty ratio according to catalyst health degree and bromide ion concentration; the invention discloses a heterogeneous catalytic oxidation main reactor. Bromide ions are reduced through pulse electrolysis, a reaction environment is dynamically regulated and controlled through online metal monitoring to prevent catalyst collapse, and real-time biotoxicity early warning is combined as a final judgment, so that the whole treatment process can sense and break vicious cycles of toxicity generation and catalyst failure in advance, and long-term safety and stability of effluent are ensured.

The application discloses a bismuth-bromine-based inorganic-organic hybrid semiconductor and a preparation method and application thereof. The hybrid semiconductor has a molecular structural formula of (Etbtz)2Bi2Br 10 , wherein (Etbtz) 2+ is an ethylated benzothiazole cation with two positive charges, and a (Bi2Br 10 ) 4– anion in the material is a zero-dimensional anion structure formed by coordination of a trivalent bismuth ion and a bromine ion. By selecting bismuth bromide, manganese sulfate, benzothiazole, ethanol and hydrobromic acid as reaction raw materials, a single crystal of the compound (Etbtz)2Bi2Br 10 is obtained under a solvothermal condition, and the single crystal can be used for photocatalytic degradation of tetracycline hydrochloride.

The invention provides modified macroporous strong base anion resin as well as a preparation method and application thereof. The preparation method comprises the following steps: swelling chlorine type macroporous strong base anion resin in a polar organic solvent; enabling the swelled chlorine type macroporous strong base anion resin to fully contact and react with a liquid-phase mixture containing aminophenylboronic acid and alkali to obtain the modified macroporous strong base anion resin. The prepared modified macroporous strong-base anion resin has high adsorption capacity and adsorption rate on bromide ions and iodide ions, the adsorption rate can reach 90% and 99% or above, the modified macroporous strong-base anion resin is suitable for being applied to adsorption of the bromide ions and the iodide ions in industrial wastewater and radioactive wastewater, the bromide ions and the iodide ions can be adsorbed and removed at the same time, and the adsorption efficiency is high. And the catalyst can be used under the condition that the pH value is 1-13, and also has good cyclic regeneration performance.

The invention provides a method for detecting tetrabutylammonium iodide and / or tetrabutylammonium bromide in a medicine, the method is efficient and rapid, tetrabutylammonium iodide and tetrabutylammonium bromide can be quantified by detecting iodide ions and bromide ions, and the method has the characteristics of short analysis time, simple analysis steps, low analysis cost and the like. The method provided by the invention is a general analysis method, is applicable to detection of most drugs, and can replace an expensive ion chromatograph, so that the equipment cost is greatly reduced.

The present application relates to a kind of method for simultaneously determining bromide ion and iodide ion in medical waste based on ion chromatography, belong to analytical testing technical field.The present application carries out specific sequence processing to medical waste and adopts gradient elution ion chromatography, effectively removes the interfering substances such as microorganism, suspended matter, heavy metal, organic matter and chloride ion in medical waste, significantly improves the precision and sensitivity of bromide ion and iodide ion detection.At the same time, the method is simple, fast, can realize the simultaneous determination of bromide ion and iodide ion in medical waste, provides reliable technical support for the effective treatment and environmental monitoring of medical waste.In addition, by establishing standard curve, the concentration of bromide ion and iodide ion in the water sample to be measured can be accurately calculated, which provides a new pollutant index basis for medical waste quality evaluation.

The invention relates to a bromine extraction device for oilfield produced water. The bromine extraction device comprises an electrolysis assembly and a purification assembly. The electrolysis assembly comprises an electrolytic bath, a plurality of electrolysis parts and a heat exchange pipe. And the plurality of electrolysis parts can electrolyze bromine ions in produced water and obtain elemental bromine. The purification assembly includes a pipe injector, and a distillation column in communication with the pipe injector. Wherein the pipeline ejector can adsorb elemental bromine blown out of the electrolytic bath through the first solution to obtain a second solution containing bromine ions, and the distillation tower is configured to be capable of conveying gaseous elemental bromine obtained by oxidizing and heating the bromine ions in the second solution into the heat exchange pipe; when the gaseous bromine simple substance is condensed and liquefied in the heat exchange tube, heat is transferred to the produced water, so that the temperature of the produced water is further increased after electrolysis. In this way, gradient utilization of heat in the bromine element extraction process is achieved, the heat utilization rate is increased, the extraction cost is reduced, and economic benefits are increased.

This invention provides a method for detecting the chemical oxygen demand (COD) of a water sample containing interfering ions. The method includes: testing the content of various interfering ions in the water sample, wherein the interfering ions include one or more combinations of bromide ions, iodide ions, chloride ions, and sulfide ions; ensuring that the chloride ion concentration in the water sample is below the concentration that the masking agent used for COD detection can block; performing COD detection on the water sample to obtain the actual apparent COD value; and calculating the total interference value y of other interfering ions besides chloride ions in the water sample. 总 The measured apparent value of COD was subtracted from the total interference value y. 总 The method provided by this invention can eliminate the interference of bromine, iodine, chloride, and sulfur ions in water samples on COD detection, and has high detection accuracy and good repeatability. It solves the problem of high detection values ​​and distorted results caused by the reaction of reducing ions with the digestion system in COD detection.

The invention provides a preparation method of a high-purity key photoacid generator PAG intermediate for a semiconductor, namely a triaryl hydroxyl sulfonium compound. According to the method, triaryl sulfonium salt represented by a general formula (I) is taken as a raw material: [R1-R2-R3-S] < + > X <->, R1, R2 and R3 are independently selected from phenyl or substituted phenyl, and substituent groups are selected from methyl, tertiary butyl, halogen, C1-C6 alkyl, phenyl and the like; x <-> is selected from acidic anions such as trifluoromethanesulfonate, chloride ions, bromide ions, p-toluenesulfonate and the like. According to the method, mixed alkaline anion exchange resin is used as a catalyst, and circular reaction is performed through a continuous device filled with cation exchange resin, so that efficient preparation of the DUV-grade triaryl hydroxyl sulfonium compound is realized.

A method for synthesizing an aluminium-fluoride complex obtainable by reacting together: a salt made of aluminium(III) and counterions of aluminium(III) other than chloride(I), and a fluoride anion; or a chelate bearing molecule precomplexed with aluminium(III), obtained from treating the chelate bearing molecule with a salt made of aluminium(III) and counterions of aluminium(III) other than chloride(I), and a fluoride anion; the fluoride being [19F]fluoride or radioactive [18F]fluoride; wherein the counterions of aluminium(III) other than chloride are selected from bromide, iodide, nitrate, phosphate, sulfate, sulphonate, hydroxide, any anionic salt of natural and non-natural amino acids, 2,4-pentanedionate, 8-hydroxyquinoline, acetate, acrylate, ascorbate, aspartate, benzenesulfonate, benzoate, besylate, bitartrate, camphorsulfonate, citrate, decanoate, esylate, fumarate, gentisate, gluconate, glutamate, glutarate, glycinate dihydroxide, glycolate, hexanoate, hydroxynaphthoate, isethionate, lactate, lactobionate, malate, maleate, malonate, mandelate, mesylate, methylsulfate, methylsulfonate, mucate, napsylate, octanoate, oleate, oxalate, pamoate, pantothenate, phthalate, polygalacturonate, propionate, salicylate, stearate, succinate, tartrate, teoclate, toluenesulfonate, trifluoroacetate, trifluoromethanesulfonate, and any combination thereof.

The invention belongs to the field of adsorbents, and particularly relates to an adsorption device based on a high-selectivity bromide ion selective adsorbent and application thereof.The adsorption device comprises a porous adsorption block in a specified geometrical shape, a shell used for containing the porous adsorption block and screens additionally arranged at the two ends; the porous adsorption block is prepared by doping a high-selectivity bromide ion selective adsorbent into a resin composition containing degradable resin and non-degradable resin, curing, degrading, cleaning and cutting. According to the invention, a high-selectivity bromide ion adsorbent is embedded in situ into a low-temperature curing system formed by compounding degradable and non-degradable resins, and a porous carrier structure with high specific surface area, good mechanical strength and excellent fluid permeability is constructed under mild conditions. The problems of difficulty in engineering integration of the adsorbent, reduction of selectivity in actual working conditions, high regeneration energy consumption and the like in the prior art are solved.

The application discloses a wide-temperature-range micro zinc-iodine battery and a preparation method thereof, and comprises the following steps: after a micro electrode is prepared through 3D printing, an iodine anode is formed by loading iodine on the surface of the micro electrode; a zinc cathode matching the shape of the iodine anode is prepared through laser engraving; water, hyaluronic acid, hydrophilic silicon dioxide, zinc perchlorate and zinc bromide are uniformly mixed to form a gel electrolyte; the iodine anode, the gel electrolyte and the zinc cathode are sequentially laminated on a substrate, and then the wide-temperature-range micro zinc-iodine battery is obtained after packaging. In the gel electrolyte, the hyaluronic acid and the hydrophilic silicon dioxide lock water through hydrogen bonds with water molecules, inhibit the evaporation of water at high temperature, and the perchlorate ion inhibits the freezing of water at low temperature by destroying the hydrogen bond structure between water molecules in the gel network, so that the wide-temperature-range micro battery is realized; meanwhile, the bromide ion in the electrolyte is transmitted to the anode through the interface to excite the four-electron reaction of iodine, so that the energy density of the micro zinc-iodine battery is improved.

This application belongs to the field of photodetector technology, and relates to composite thin films and their preparation methods, preparation methods of A4BX6 crystals, and photodetectors. The composite thin film includes a first film layer and a second film layer. The material of the first film layer includes ABX3, and the material of the second film layer includes A4BX6; wherein A is selected from at least one of cesium ions, formamidinium ions, methylammonium ions, n-octylammonium ions, phenylethylammonium ions, benzylammonium ions, and tert-butylammonium ions; B is selected from at least one of lead ions and tin ions; and X is selected from at least one of iodide ions, bromide ions, and chloride ions. The composite thin film provided by this application simultaneously possesses high electron transport efficiency and high ultraviolet light sensitivity.

Resin microparticles with reduced metallic and leached ion content and excellent dielectric properties are provided. Furthermore, a method for manufacturing such resin microparticles is provided. The resin microparticles of embodiments of the present invention have a total content of component A of less than 100 ppm as determined by inductively coupled plasma atomic emission spectrometry, a total content of leached ion component B of less than 100 ppm as determined by ion chromatography, and a dielectric loss tangent of 0.0050° or less at a frequency of 10 GHz. Component A includes Al, Ba, Ca, Cr, Cu, Fe, K, Mg, Mn, Na, P, S, Si, Sr, and Zn. Ionic component B includes fluoride ions, chloride ions, nitrite ions, bromide ions, nitrate ions, phosphate ions, and sulfate ions.

The invention discloses a method for extracting and converting bromine ions dissolved in a water body and detecting stable bromine isotopes, and belongs to the field of isotope detection methods. The method comprises the following steps: oxidizing bromide ions in a water body by using acidic sodium dichromate based on the oxidation-reduction characteristic of the bromide ions in the water body to obtain bromine gas, reacting the bromine gas with an alkaline solution to obtain sodium bromide, adding silver ions into the solution to generate silver bromide precipitates, drying the precipitates, quantitatively putting the precipitates into a jaw headspace bottle in a dark environment, and adding methyl iodide; reacting under optimized conditions to generate methyl bromide gas; a gas isotope mass spectrometer and a gas chromatograph which are provided with receiving cups with the mass numbers of 94 and 96 are used in a combined mode, interference of impurity gas is eliminated through modified Isolink II equipment, after bromomethane mixed gas is separated through a chromatographic column, the impurity gas is emptied, bromomethane enters the mass spectrometer, and the bromine isotope ratio is accurately measured. The method can be used for evaluating and researching sources, causes and formation hydrogeochemical and physical processes of oil field water, underground brine, salt water and the like.

The invention discloses a seawater resource utilization-based electrolytic hydrogen production and organic halide co-production preparation process, which abandons the traditional strategy of passive inhibition of competitive anode chlorine evolution reaction (CER), and converts'interfering 'species such as chloride ions, bromide ions and the like in natural seawater into organic halide through an electrocatalysis or photoelectrocatalysis strategy. Controllable activation is carried out under the mild condition, halide species with specific reaction activity are captured and converted in situ, the halide species are directly used for precise halogenation of organic matter such as alkane, olefin, aromatic hydrocarbon and hetero-aromatic hydrocarbon, and hydrogen is synchronously and efficiently produced at a cathode. According to the invention, natural seawater is used as a halogen source, a new green synthesis normal form of seawater halogen in-situ capture-activation-directional conversion is created, and the dependence on a high-energy-consumption and high-risk pre-halogenation process is thoroughly eliminated. Through coupling of cathode hydrogen evolution and anode high-value halogenation reaction, green hydrogen and high-added-value fine organic halide are synchronously produced, and collaborative recycling of seawater at the molecular level is achieved.

The application discloses a system for extracting hydrobromic acid from bromine-containing wastewater and a treatment method thereof, and belongs to the field of industrial wastewater treatment. The system comprises a pretreatment system, a bromide ion extraction device, a transformation agent extraction system and a hydrobromic acid extraction system. The bromide ion extraction device adopts ion exchange resin and can selectively extract bromine in water. The transformation agent extraction system comprises an organic matter removal device, a divalent cation removal device and a concentration device. The hydrobromic acid extraction system comprises a bromine separation device and a distillation device. The system extracts an anion salt with a large content and competitive with bromide ions in water as a transformation agent B, transforms the resin, selectively adsorbs the bromide ions in water by the resin, enriches the bromide ions in water, desorbs the saturated bromide ions in the adsorption to a desorption liquid by regeneration A, and then separates and purifies the regeneration agent A and the bromide ions, or acidifies and purifies to obtain a pure hydrobromic acid solution.