39 results about "Chlorine production" patented technology

The invention belongs to the crossing field of artificial intelligence and process control, particularly relates to an intelligent coupling control strategy for chlorine production through seawater electrolysis based on digital twinning, and aims to solve the problems of response lag, weak disturbance suppression and lack of electrode aging early warning in a traditional control method. According to the strategy, a high-fidelity digital twin fusing electrochemistry, fluid and thermodynamics is constructed, characteristics of current, temperature, impedance spectroscopy and the like are collected and fused at high frequency through a multi-source sensor, a state space model driven by a deep recurrent neural network is established, and current efficiency and electrode aging coupling evolution recognition is achieved; when salinization or flow mutation is detected, the twinborn body predicts and dynamically calibrates the current density and the voltage set value in advance, and the safety process window is synchronously scaled. According to the strategy, the chlorine gas yield fluctuation is reduced by 60%, the energy consumption standard deviation is reduced by 45%, the fault early warning is advanced by 2-5 hours, the fault-free operation time of the system is prolonged by 50%, and high-precision, self-adaptive and preventive intelligent control of the electrolysis process is realized.

The invention relates to the technical field of air electrode preparation, in particular to a metal-loaded super-hydrophobic air electrode, a preparation method and chlorine production application, the air electrode comprises a high-hydrophobicity gas diffusion layer obtained through polytetrafluoroethylene modification, and the metal-loaded super-hydrophobic air electrode is prepared through a corona etching and electrochemical in-situ deposition technology. A uniform and highly-dispersed metal catalyst layer directly grows on the surface of the polytetrafluoroethylene substrate, so that the gas diffusion electrode with excellent mass transfer performance and an efficient catalytic function is obtained; the prepared electrode is used for carrying out electrochemical catalysis on a water body containing chloride ions by adopting a cyclic voltammetry method, and active chlorine can be efficiently generated in situ; the prepared metal-loaded super-hydrophobic air electrode has the advantages of being low in oxygen mass transfer resistance, high in catalyst utilization rate, free of generation of by-products, capable of efficiently generating active chlorine and the like, and has wide application potential in actual water environment disinfection.

The invention discloses a metal film electro-catalysis chlorine evolution electrode with Ir monatomic inlaid in Pt crystal lattices and a synthesis method and application thereof. Through embedding of Ir single atoms, ortho-position Pt atoms approach Ir atoms, lattice shrinkage is caused, finally, Pt atom array sorting is disordered, more Pt atoms are exposed on the edge through embedding of the Ir single atoms, magnetism is obviously improved, and therefore the obtained metal thin film with the Ir single atoms embedded in the Pt lattice has high CER selection driving performance, and the metal thin film with the Ir single atoms embedded in the Pt lattice can be applied to the field of solar cell devices. And the catalyst has excellent electro-catalytic chlorine evolution activity and electro-catalytic hydrogen evolution activity. When applied to the field of electro-catalysis, especially as an electro-catalysis chlorine evolution electrode, the electrode can significantly improve the chlorine evolution efficiency of an anode electrode, reduce oxygen evolution reaction and prolong the service life of the electrode.

The invention provides a Cu-based catalyst for preparing chlorine through catalytic oxidation of hydrogen chloride and a preparation method and application of the Cu-based catalyst, the catalyst takes aluminum oxide as a carrier, the catalyst contains 2-10 wt% of Cu, 0.0001-0.5 wt% of S and 0.0001-0.5 wt% of P, the Cu content of the unit specific surface area of the catalyst is 1-50 * 10 <-4 > g / m < 2 >, and the conductivity of the catalyst dispersed in water with the same mass is 1-100 mS / cm. Although the Cu loss sign exists in the use process of the catalyst, the Cu content of the unit specific surface area of the catalyst does not decrease along with the extension of the reaction time, so that the activity is maintained. The catalyst provided by the invention overcomes the phenomenon of activity decline caused by Cu loss in the long-time use process, can realize industrial long-period stable operation, and has very high application value.

The present invention discloses a baffled sodium hypochlorite generator electrolytic cell. An upper anode, an upper rubber gasket, a cathode, a lower rubber gasket, and a lower anode are sequentially installed from top to bottom in an insulating electrolytic cell composed of upper and lower tank bodies; the anode is fixed to the inner groove of the upper and lower tank bodies by a nylon screw, and the cathode is fixed by pressing the upper and lower tank bodies, and the positive and negative electrodes are connected to a DC power supply; the adjacent electrodes and the rubber gasket form an electrolysis reaction chamber, and together with the electrolyte in the chamber, form an electrolysis unit, and a narrow slit is provided on the right side of the cathode to connect the front and rear electrolysis units to form a baffle. The present invention has a narrow electrode spacing, less heat release during the electrolysis process, and can effectively control the temperature of the electrolytic cell without adding a heat exchanger to avoid high-temperature decomposition of the sodium hypochlorite product; the process is long, and through the baffled structure, the salt water can be fully electrolyzed, reducing salt consumption, effectively improving the chlorine production efficiency, and reducing the volume of the electrolytic cell. The present invention is suitable for the disinfection link of rural drinking water projects.

Provided is an anode for chlorine-producing electrolysis, which has a low chlorine-producing overvoltage and excellent chlorine-producing efficiency even without using iridium (Ir). An anode (10) for chlorine-generating electrolysis is provided with: a base material (2) comprising titanium or a titanium alloy; and a catalyst layer (5) having a first layer (5a) disposed on the base material (2) and a second layer (5b) disposed on the first layer (5a), the first layer (5a) containing oxides of ruthenium (Ru), tin (Sn), and zirconium (Zr), and the second layer (5b) containing oxides of ruthenium (Ru) and titanium (Ti).

The present invention relates to a Ni / Ir / IrO2 porous carbon catalyst material, its preparation method, and its application. The porous carbon, obtained by oxidizing the precursor Ni-MOF-74, serves as a carrier, with Ir as the active center strongly adsorbed on its surface, and is used as a highly efficient alkaline catalyst. Compared with existing technologies, this invention offers significant physical and chemical advantages, including excellent electrocatalytic activity and stability in the chlorine evolution reaction, a key method for industrial chlorine production.

This invention provides a method for preparing a platinum-ruthenium catalyst for chlorine production, comprising: mixing nitrosylruthenium nitrate, platinum nitrate solution, deionized water, and a dispersant; heating to reflux temperature to dissolve; continuing the reaction at reflux temperature for 1 hour after the system changes from brownish-red to brownish-black; filtering the system after cooling to room temperature; and mixing the platinum-ruthenium mixture, silica hydrosol, and silica powder. The mixture is extruded into cylindrical pieces with a diameter of 5 mm, dried at 100-120°C for 6 hours to a breakage length of approximately 3-5 mm, and calcined in air at 200-240°C for 12 hours to obtain the platinum-ruthenium catalyst. This method can prepare a platinum-ruthenium catalyst with low chlorine impurity content that easily leads to catalyst aging. Simultaneously, because the reaction system remains acidic, the occurrence of ruthenium hydrolysis side reactions is reduced, resulting in a platinum-ruthenium catalyst with high yield, high ruthenium dispersion, and high catalyst activity.

The invention discloses a zero-discharge device and process for double-layer liquid sealing, redundant chlorine capturing, siphon pure discharge and closed-loop electrolysis of metal sodium, and belongs to the technical field of metal sodium preparation. The device comprises a furnace body, an oxygen-isolating anti-explosion inert liquid seal layer, a chlorine capture liquid seal layer, a liquid metal sodium layer, a molten sodium chloride electrolysis layer, a siphon type pure sodium discharge structure and an automatic feeding control system, the double-layer liquid seal is adopted to realize oxygen isolation, explosion prevention and chlorine in-situ absorption, the chlorine absorption capacity is designed to be more than two times of the maximum chlorine yield, and no leakage is ensured; liquid sodium is driven by lifting the liquid level during feeding to trigger siphon discharge, only pure metal sodium is produced, entrainment is avoided, and the purity is high; reaction byproducts are converted into raw materials to be recycled, no waste gas, no waste residues and no waste liquid exist in the whole process, and the byproduct water vapor can be condensed into purified water to be utilized. The device is simple in structure, intrinsically safe, high in automation degree, environmentally friendly and suitable for continuous production of high-purity metal sodium.

The utility model discloses a seawater chlorine production system and a sediment waste liquid recycling device thereof. The sediment waste liquid recycling device comprises a sediment tank, a clear liquid tank, a clear liquid conveying unit and a clear liquid conveying pipe, the sediment pool is connected with the bottom of a sodium hypochlorite storage device in the seawater chlorine production system, and the sediment pool is used for containing sediment output by the sodium hypochlorite storage device; the clarified liquor tank is used for accommodating the clarified liquor output from the sediment tank; the clarified liquid conveying unit is communicated with a first end of the clarified liquid conveying pipe, and the clarified liquid conveying unit is used for conveying the clarified liquid in the clarified liquid tank into the clarified liquid conveying pipe; and the second end of the clear liquid conveying pipe is communicated with the sodium hypochlorite storage device. The utility model provides a seawater chlorine production system and a sediment waste liquid recycling device thereof, which can solve the problem that sediment blocks a sodium hypochlorite storage device and can also realize the effect of recycling clear liquid.

The invention provides a desulfurization wastewater comprehensive treatment system and method based on electrical method cooperative treatment, and relates to the technical field of desulfurization wastewater treatment.The desulfurization wastewater comprehensive treatment system comprises a pretreatment unit and a multi-stage electric treatment unit, a water inlet of the pretreatment unit is suitable for being connected with a desulfurization wastewater source, and the pretreatment unit can conduct alkalization treatment on desulfurization wastewater; the multi-stage electric treatment unit comprises an electric flocculation reactor, an electrochemical hardness removal device, an electric adsorption device and an electrolytic chlorine production device which are connected in sequence, the electric flocculation reactor, the electrochemical hardness removal device, the electric adsorption device and the electrolytic chlorine production device are all suitable for being electrically connected with an external power supply, and a water inlet of the electric flocculation reactor is connected with a water outlet of the pretreatment unit; the water outlet of the electrolytic chlorine production device is suitable for being connected with an external circulating water system to sterilize the water body. According to the device and the method, a multi-stage electrical method technology with synergism of electric flocculation suspended matter removal, electrochemical softening hardness removal, electro-adsorption desalination and electrolytic sterilization is integrated, and efficient purification of the desulfurization wastewater can be realized.

The invention relates to the field of electronic-grade chlorine production, and particularly discloses an electronic-grade chlorine production and purification system and a production process thereof.The electronic-grade chlorine production and purification system comprises a raw material dehydration unit, a light component removal unit and a product refining unit, and the raw material dehydration unit comprises a first heat exchanger, a first condenser, a first reboiler and a first rectifying tower. Moisture and nitrogen trichloride in raw materials are removed through rectification operation of the first rectification tower, corrosion of wet chlorine to follow-up equipment is prevented, metal ion pollution is introduced, materials extracted from the tower top then enter the second rectification tower, and low-boiling-point impurities such as carbon dioxide are separated and removed through boiling point difference; liquid chlorine in the tower kettle of the second rectifying tower enters a third rectifying tower, high-boiling-point heavy components such as metal chlorides are further removed, a high-purity electronic-grade chlorine product is finally extracted from the tower top, heavy components discharged from the tower kettle of the third rectifying tower need to be regularly fed into waste liquid for treatment, and the whole process adopts a sequence of pre-dehydration, light component removal and heavy component removal; the work division is clear; and the equipment is effectively protected.

A chlorinator device for generating chlorine in a body of water includes a housing with an inlet and outlet end, a flowrate sensor mounted within the housing to measure water flowrate, and an electrolyte plate mounted within the housing to contact flowing water and convert salt into chlorine. The device can include an external controller for processing flowrate information, obtaining information from a cloud platform or other external sources, and controlling chlorine production. Methods for operating the chlorinator device, including adjusting chlorine production based on flowrate and external factors, are also disclosed.

The invention belongs to the technical field of fouling prevention and control, and particularly relates to a low-power-consumption electrolysis anti-fouling device for marine unmanned equipment and an application method of the low-power-consumption electrolysis anti-fouling device. The main body structure of the device comprises a copper composite electrode, a chlorine-producing anode arranged on the periphery of the copper composite electrode and a titanium cathode arranged in the center of the chlorine-producing anode; the application method comprises the following steps: determining the size of a fouling protection space and a maintenance and replacement period, calculating the size of the copper composite electrode and the boundary dimension of the device, arranging the positions of one or more sets of devices according to requirements, connecting the device with the marine unmanned equipment, and carrying out secondary pollution protection on the marine unmanned equipment. Copper ions generated through electrolysis serve as a main antifouling agent, chlorine prepared through seawater electrolysis serves as an auxiliary antifouling agent, the copper ions and hypochlorite are generated through intermittent electrolysis, marine organisms are prevented and treated, through electrode parameter matching, the electrolysis current is effectively reduced, the service life of a copper composite electrode is prolonged, electrolysis power consumption is reduced, and the stable antifouling effect with low power consumption is guaranteed.

The present application relates to the technical field of post-treatment of titanium sponge production, in particular to a dust removal method and system for reducing chlorine content, the system comprising a gas collecting hood, a lateral air inlet, a multi-stage flow guide baffle, a heat dissipation fin, a forced cooling unit, a temperature sensor, a control system, a dust collecting hopper and a dust discharge valve; the method realizes preliminary separation of coarse particles by forming a cyclone through tangential air inlet, and the three-stage collaborative cooling system composed of the multi-stage flow guide baffle, the heat dissipation fin and the forced cooling unit stably controls the temperature of chlorine at 60-70 DEG C, so as to promote the full condensation of gaseous chlorides, and then realize gas-solid separation through gravity settling, and the collected dust is directly returned to the electrolytic cell for recycling. The present application has high heat exchange efficiency, the dust recovery rate is not less than 90%, the dust content of purified chlorine is not higher than 10 mg / m3, the maintenance frequency of subsequent equipment is greatly reduced, and the present application has energy saving and environmental protection and high adaptability, and is suitable for various electrolytic chlorine production scenes.

The invention relates to the technical field of air electrodes, in particular to a metal-loaded super-hydrophobic air electrode for chlorine production reaction and a preparation method thereof.The metal-loaded super-hydrophobic air electrode for chlorine production reaction comprises a porous composite matrix composed of a three-dimensional porous ceramic framework and an MXene nanosheet conductive network attached to pore channels and the surface of the three-dimensional porous ceramic framework; the gradient functionalized super-hydrophobic layer covers the surface of the porous composite matrix and is formed by compounding polytetrafluoroethylene and a fluorine-containing polymer formed by in-situ polymerization of a fluorine-containing acrylate monomer; the metal catalyst layer is directly loaded on the surface of the gradient functionalized super-hydrophobic layer. According to the application, an MXene two-dimensional conductive network is constructed in situ on a ceramic skeleton, a composite functional layer with gradient change of components and wettability is constructed, strong metal-carrier interaction is formed by using MXene and noble metal, and performance improvement is realized from multiple aspects of charge transfer, three-phase interface mass transfer, catalytic activity and selectivity, structural corrosion resistance and durability and the like.

The present invention provides a salt chlorine generating device and a control method thereof, and belongs to the technical field of salt chlorine generators. The salt chlorine generating device comprises a salt chlorine generator structure and a connecting seat structure. The salt chlorine generator structure comprises a salt chlorine generator body, and connecting pipes are integrally formed at both ends of the salt chlorine generator body. The connecting seat structure comprises a support plate, a threaded rod, a rotating member and two connecting frames. A first groove and a second groove are provided at the bottom of the support plate, and a fixed frame is fixed at both ends of the support plate. The rotating member rotates through the second groove, and the rotating member and the threaded rod are connected by a transmission member. The two connecting frames are respectively fixed to the fixed frame and the bottom of the sliding plate. The salt chlorine generating device and the control method thereof disclosed in the present invention can effectively improve the chlorine production efficiency by utilizing the salt chlorine generator structure and the connecting seat structure.

The present application is suitable for chlorine production technical field, provide a kind of liquid chlorine gasification process, comprising the following steps: step one: liquid chlorine steel bottle in liquid chlorine bottle storehouse is connected into distillation column for distillation separation by liquid chlorine distribution platform;Step two: gaseous material from the top of distillation column enters condenser, and the liquid outlet of condenser is connected with chlorine gasifier by liquid chlorine pipeline;Step three: liquid chlorine enters the inner tube of chlorine gasifier, and is heated by 80-83 DEG C medium, and liquid chlorine is gasified by heat absorption;Step four: after drying and impurity removal, chlorine is sent to chlorine buffer tank by chlorine turbine compressor, and after the stable pressure of chlorine in chlorine buffer tank, it is sent to each chlorine point by chlorine pipe network.The distillation column and chlorine dryer can remove nitrogen trichloride, metal chloride and non-metallic chloride, thereby improving the purity of chlorine, and avoiding the influence on bromine extraction;The establishment of accident chlorine absorption device can handle leaked chlorine in time, and guarantee the safety of chlorine use.

The invention provides a ballast water chlorination concentration monitoring method and system and a ship. The ballast water chlorination concentration monitoring method comprises the steps that the input power PX of an electrolytic tank, the voltage UX at the two ends of the electrolytic tank, the temperature difference delta T of ballast water at an inlet and an outlet of the electrolytic tank, the flow Q of the ballast water in the electrolytic tank and the flow QB of the ballast water in a ballast water main pipeline are obtained; according to the delta T and the Q, the heating power PT of the electrolytic tank to the ballast water is calculated; according to the PX and the PT, the effective chlorine production power P of the electrolytic cell is calculated; according to P and UX, the chlorine yield GD per hour of the electrolytic cell is calculated; and calculating the chlorine concentration TRO in the ballast water main pipeline according to the GD and the QB. According to the ballast water chlorination concentration monitoring method, the chlorination concentration in the ballast water main pipeline is calculated by utilizing the idea of energy conversion, the dependence on a residual chlorine analyzer is reduced or eliminated, the cost can be reduced, and the stability and reliability of system operation are improved.

The invention relates to the field of catalyst preparation, and discloses a catalyst for preparing chlorine through catalytic oxidation of hydrogen chloride, a preparation method and application of the catalyst and a chlorine preparation method. The preparation method of the catalyst for preparing chlorine through catalytic oxidation of hydrogen chloride comprises the following steps: 1) adding a catalyst precursor mixed salt solution and an alkali solution into a carrier suspension for coprecipitation, and aging; 2) performing solid-liquid separation on the aging product obtained in the step 1), and crushing to obtain catalyst powder; (3) the catalyst powder obtained in the step (2), a peptizing agent and an optional adhesive are kneaded, formed and calcined, the catalyst precursor mixed salt solution contains copper salt, rare earth metal salt and optional alkali metal salt, and the alkali solution contains an alkali metal compound. The catalyst prepared by the method solves the problem that the metal active center of the catalyst is easy to volatilize and lose, and meanwhile, the catalytic performance can be improved.

The invention discloses an intelligent electrolytic chlorine production and multi-element efficient absorption system, and relates to the technical field of electrolytic chlorine production processes. Comprising a domestic water input module, a water softening module, a water washing module, a salt dissolving module, an electrolysis module, an anode circulation module, a cathode circulation module, a dechlorination module, an absorption module, an alkali liquor circulation output module and a product storage module, all the modules form an interconnected and intercommunicated material conveying network through pipelines and control valves, material conveying automation is controlled by an electric control operation table, and a continuous closed-loop production process is formed. The double water softeners supply water collaboratively, and the alkali dissolving tanks operate collaboratively, so that stable starting and continuous operation of the system can be guaranteed; dechlorination and alkali liquor adjustment are linked, and a whole-process material closed loop is combined, so that the resource utilization rate is remarkably increased, and water resources and raw materials are saved; the concentration of alkali liquor and the flow direction of materials are accurately controlled, the stability of electrolytic reaction is improved, the purity of sodium hypochlorite products is guaranteed, meanwhile, chlorine leakage is avoided, and high efficiency, economical efficiency and environment friendliness are achieved.

The invention belongs to the technical field of chlorine production equipment, and discloses a chlorine production equipment adjusting method, system and device and a storage medium, and the method comprises the steps: monitoring a time interval between two adjacent current zero points in each time period; calculating an average power supply frequency in a single target time period according to a plurality of time intervals monitored in a plurality of adjacent time periods; calculating respective corresponding average power supply frequencies in a plurality of continuous target time periods and errors among the plurality of average power supply frequencies, and judging whether the errors are in a preset frequency range or not to determine whether the first average power supply frequency is invalid or not; and when the power supply frequency is invalid, the duration of the input signal of the chlorine production equipment is adjusted according to the last average power supply frequency, so that the chlorine production equipment can adjust the output in time when the power supply frequency is changed, and the power utilization safety is ensured.

The invention discloses a metal-organic framework material capable of being used for efficiently electrolyzing saline water to produce chlorine and a disinfectant as well as a preparation method and application of the metal-organic framework material. According to the method, an environmental metal-organic framework material is constructed by taking 3, 3 ', 5, 5'-biphenyltetracarboxylic acid as an organic ligand and nickel chloride and ferrous chloride as metal centers. Under the applied voltage, the material can adsorb chloride ions in a 4M NaCl saline solution with the pH value of 1 and oxidize the chloride ions into chlorine, the produced chlorine and water are subjected to a disproportionation reaction to generate hypochlorous acid (active chlorine), efficient sterilization can be achieved, the rate of generating the active chlorine at 10 mAcm <-2 > is 1.24 mg L <-1 > min <-1 > and is higher than that of precious metal RuO2 (0.90 mg L <-1 > min <-1 >), and the material can be applied to direct seawater electrolysis. According to the method, efficient chlorine and disinfectant production can be achieved, seawater electrolysis can be directly developed, the efficient disinfectant is prepared, and the application prospect is wide.

The invention belongs to the field of artificial intelligence, particularly relates to an energy consumption prediction and dynamic optimization method for a chlorine production system of a power plant, and aims to solve the problems of high energy consumption, lagging regulation and control and lack of adaptive ability of a traditional chlorine production system. According to the method, a multi-source heterogeneous data fusion layer is constructed to collect electrolysis key parameters in real time, a dynamic energy consumption prediction model is established based on a gated circulation unit neural network, and unit chlorine production energy consumption in the future 30 minutes is output; and then a multi-objective optimization engine is constructed, energy consumption minimization and flow stability maximization are taken as objectives, optimal control parameters are solved by adopting an improved particle swarm algorithm, and current, saline water and cooling coordinated regulation and control are executed through closed-loop feedback. According to the method, the prediction error is smaller than 3%, the unit energy consumption is reduced by 8%-12%, the chlorine production fluctuation is controlled within + / -2%, equipment health perception and working condition self-adaptive weight distribution are supported, the energy efficiency, the stability and the intelligent level of the system are remarkably improved, and the 7 * 24-hour high-reliability operation requirement of the power plant is met.

The utility model discloses a quality-divided treatment and recycling system for ion exchange resin regenerated wastewater. The quality-divided treatment and recycling system comprises a raw water pretreatment system, an ion exchanger and regeneration system, a nanofiltration device and an electrolytic wastewater chlorine production system which are communicated in sequence, an on-line chloride ion meter, an on-line sodium ion meter, matched pipelines and an electric actuator are additionally arranged on a wastewater outlet pipeline, different types of wastewater are collected according to high-chloride-ion-concentration wastewater, high-sodium-ion-concentration wastewater and low-concentration wastewater, and the low-concentration wastewater is recycled to a pre-raw water pool; the ion proportion of high-chloride-ion-concentration wastewater and high-sodium-ion-concentration wastewater is optimized through the mixing ratio, the purity of a regenerated solution is improved through a nanofiltration device, and the electrolytic chlorine production efficiency is improved. According to the utility model, the acid-base regeneration wastewater which is difficult to treat is collected according to quality and is recycled according to classes, so that the resource utilization of the wastewater is realized.

The invention relates to the technical field of chlorine purification, and discloses a system and method for producing electronic-grade chlorine and co-producing chemical-grade chlorine, the system comprises a dehydrating tower, a light component removal tower and a refining tower, the dehydrating tower is used for dehydrating and separating raw material flow, dehydrated raw materials are extracted from the tower top, and tower bottoms are led out from the tower bottom; a third heat exchanger for carrying out heat exchange on the dehydrated raw material is arranged between the top of the dehydrating tower and the feeding hole of the light component removing tower, and the dehydrated raw material is subjected to heat exchange to obtain a liquid material. According to the invention, the environment-friendly target of no three-waste emission is realized, and the recovered mother liquor can be recycled to an original chlorine production system.

The invention discloses a preparation method of a Fe-doped RuO2-TiO2 solid solution electrode. The preparation method comprises the following steps: (S1100) preparing a precursor solution, wherein the atom molar ratio of the sum of Ru atoms and Fe atoms to Ti atoms in the precursor solution is 3: 7; the invention also provides the Fe-doped RuO2-TiO2 solid solution electrode and an application of the Fe-doped RuO2-TiO2 solid solution electrode in preparation of active chlorine in an acidic aqueous solution. The electrode provided by the invention shows excellent active chlorine generation performance in an acidic aqueous solution environment, has relatively high selectivity and current stability, and is obviously improved in performance compared with an undoped electrode. The invention has the advantages of high catalytic efficiency, good structural stability, low material cost and the like, and is suitable for chlorine production by electrolysis of acidic aqueous solution and related industrial application scenarios.

The invention discloses a process for producing chlorine from a byproduct hydrogen chloride gas from Mannheim potassium sulfate, and relates to the technical field of chemical process optimization and resource recycling, and the process comprises the following steps: directly introducing the byproduct hydrogen chloride gas in the reaction process of a Mannheim reaction furnace into an oxidation reactor without external heating; the heat of the hydrogen chloride gas is directly utilized to carry out high-temperature oxidation reaction under the action of a catalyst to generate chlorine and water vapor. According to the invention, the problem of treatment of traditional byproduct hydrochloric acid is solved, the energy consumption of traditional chlorine production from hydrochloric acid is reduced, the integrated design of resource recovery and the device is realized, and the overall economic benefit and environmental friendliness are remarkably improved; according to the method, the high-temperature characteristic of the reaction tail gas is fully utilized, in-situ conversion chlorine preparation without absorption, storage and heating is realized, the treatment problem of the byproduct hydrogen chloride gas is effectively solved, and meanwhile, the chlorine preparation cost is reduced.

A salt solution desalination power generation system for ion separation driven by mechanical energy belongs to the technical field of electrochemistry and comprises a main chamber, a cation exchange chamber, an anion exchange chamber, a piston and an energy accumulator, a main water inlet and a main water outlet are respectively arranged on the bottom surface of the main chamber, a reverse osmosis membrane is arranged at the main water outlet, and the piston is arranged at the top of the main chamber. The cation exchange chamber and the anion exchange chamber are oppositely arranged on the left side and the right side of the main chamber, the lower parts of the anion exchange chamber and the cation exchange chamber are communicated with the lower part of the main chamber, and anion exchange membranes and cation exchange membranes are respectively arranged at the communicated parts; the use method comprises the following steps: driving water molecules in a salt solution to be discharged through the reverse osmosis membrane by using pressure, and synchronously driving charged ions in the salt solution to pass through the anion exchange membrane and the cation exchange membrane, so that anions and cations respectively enter different chambers to generate potential difference. The system can realize the functions of power generation, salt solution desalination, hydrogen production, oxygen or chlorine production, acid production, alkali production and the like, and is an integrated system capable of synchronously realizing multiple functions.

The utility model provides a high protection salt chlorine device capable of being quickly assembled and disassembled, which comprises a control box module and a chlorine production module, and the control box module comprises a control box and a coupling nut arranged at the lower end of the control box; a butt joint shell located in the connecting nut is fixed to the bottom of the control box, and a butt joint male plug is arranged at the bottom of the butt joint shell in a protruding mode. The chlorine production module is detachably connected with the control box module and comprises a body and a positioning cover mounted on the upper side of the body; the upper end of the body is provided with a screw joint part which can be in threaded connection with the connecting nut, the positioning cover is provided with a positioning cavity which can be matched with the butt joint shell, and the lower side of the positioning cavity is provided with a butt joint female plug matched with the butt joint male plug; when the butt joint shell and the positioning cavity are connected in an inserted mode, the butt joint male plug and the butt joint female plug are inserted in an inserted mode to achieve power supply and signal exchange. According to the high-protection salt chlorine device capable of being rapidly disassembled and assembled, the defects that an existing salt chlorine device cannot be disassembled and is poor in protection effect are overcome.