49 results about "Titanium electrode" patented technology

The application provides a cold coke water treatment process and system. The cold coke water treatment process comprises the following steps: step one: after being collected by a coke storage pool, the cold coke water is filtered by a flat ceramic membrane to obtain concentrated coke water and dilute coke water, and the concentrated coke water is returned to the coke storage pool; step two: after being stored by a cold coke water tank, the dilute coke water is divided into dilute coke water I and dilute coke water II, the dilute coke water I is sequentially treated by a first-stage electro-catalytic oxidation unit, a second-stage electro-catalytic oxidation unit and a reverse osmosis unit to obtain purified water; and the dilute coke water II is used as cold coke water makeup water and recycled; the first-stage electro-catalytic oxidation unit is provided with an electro-catalytic oxidation reaction tank, the electro-catalytic oxidation reaction tank is provided with a cathode and an anode, the cathode is a titanium electrode, and the anode is a titanium-based metal oxide coating electrode; the second-stage electro-catalytic oxidation unit is provided with an electro-catalytic oxidation reaction tank, the electro-catalytic oxidation reaction tank is provided with a cathode and an anode, the cathode is a titanium electrode, and the anode is a boron-doped diamond electrode. The treatment process has good treatment effect and is environmentally friendly and economical.

The embodiment of the invention provides a preparation method of a titanium-based water electrolysis hydrogen production electrode and the titanium-based water electrolysis hydrogen production electrode, and relates to the technical field of water electrolysis hydrogen production, and the method comprises the steps that a titanium electrode base body serves as an anode and is put into a passivation solution for electrification treatment, and a passivation film is formed on the surface of the titanium electrode base body based on the anode passivation reaction; and preparing a catalytic active layer on the outer layer of the passive film formed on the surface of the titanium electrode substrate to obtain the titanium-based water electrolysis hydrogen production electrode. By applying the embodiment of the invention, the hydrogen embrittlement resistance and durability of the titanium-based water electrolysis hydrogen production electrode can be improved, and the service life of the titanium-based water electrolysis hydrogen production electrode can be prolonged.

The application is a method for coupling phase transfer of chlorine and in-situ chlorination. The method comprises the following steps: under a two-electrode system, using a coated titanium electrode as a working electrode and a platinum plate as a counter electrode, reacting for 1-4 hours under a constant current of 3 mA-50 mA, and standing the whole reaction system for 6-14 hours to obtain 2,4-dichloroacetanilide; in the anode chamber, the lower part is an anode electrolyte and the upper part is an organic phase; the volume ratio of the two is 1:1-3; and the working electrode is completely inserted into the lower aqueous phase; and the anode electrolyte is a hydrochloric acid solution containing a chlorine salt. The application improves the direct utilization rate of chlorine atoms, the active chlorine generated by the anode does not escape the system and directly participates in chlorination, thus significantly reducing the accumulation of chlorine gas and the safety hidden danger of storage and transportation, and providing a feasible method for coupling traditional process and electrocatalytic experiments.

The application relates to the technical field of water treatment, and discloses a system for deep treatment and reuse of iron ore sand industrial water in an island, which comprises, in sequence, a water inlet pretreatment unit, a biochemical denitrification and phosphorus removal unit, a sedimentation and separation unit, a membrane physical interception unit and an electrodeionization unit. The biochemical denitrification and phosphorus removal unit is an AAO-AO reaction tank, which is internally divided into five biochemical reaction zones in sequence and is provided with a nitrification liquid internal reflux pipeline; the membrane physical interception unit comprises a rotary drum filter tank, an ultrafiltration unit and a nanofiltration unit; the main body of the electrodeionization unit is internally configured with a reticular platinum-plated titanium electrode and a stainless steel compression spring for providing downward mechanical pressure, and is internally filled with a resin layer formed by uniformly and integrally filling and mixing strong acid cation resin, weak acid cation resin, strong base anion resin and weak base anion resin. The system is processed by biochemical reaction, membrane and electrodeionization in cooperation, high salt hardness of raw water is removed, produced water reaches the standard of iron ore sand water, no chemical agent is needed for regeneration, and the water recovery rate is improved.

The invention provides a preparation method of ultralow-sulfur low-manganese steel for a titanium-containing electrode. The preparation method comprises the following steps: adding a first slagging material into a converter for dephosphorization and demanganization, pouring out part of converter slag, adding a second slagging material into the converter for decarbonization, tapping steel from the converter and completely remaining slag; active lime and cryolite are added when the LF enters the station, manganese in the molten steel is removed, after the molten steel is heated to the target station outlet temperature, a steel ladle slag modifier is added to the steel ladle slag surface, and then soft argon blowing is conducted; carbon powder is added for RH vacuum deoxidation, sponge titanium is added for RH alloying, and desulfurization modifier composite balls are added for RH deep desulfurization and inclusion modification; the ladle long nozzle is cast under the protection of a sealing ring and argon blowing in the whole process; and the covering agent is supplemented in the continuous casting process according to the covering condition of the tundish. According to the method disclosed by the invention, by utilizing thermodynamic and dynamic conditions of each process and combining a steel ladle slag modifier and desulfurization modifier composite ball, step-by-step demanganization, desulfurization and steel ladle slag modification are realized, and the ultralow-sulfur low-manganese steel for the titanium-containing electrode is prepared.

The invention discloses a hydrogen bond organic framework-polyvinyl alcohol composite hydrogel-based synaptic device as well as a preparation method and application thereof. The synaptic device comprises a zinc electrode on the upper layer, a titanium electrode on the lower layer and double-layer hydrogel clamped between the zinc electrode and the titanium electrode, the double-layer hydrogel comprises negative HOF / PVA composite hydrogel close to the zinc electrode and positive HOF / PVA composite hydrogel close to the titanium electrode, and the negative HOF / PVA composite hydrogel is in contact with the positive HOF / PVA composite hydrogel; the negative electricity HOF is a hydrogen bond organic framework material synthesized by using 1, 2, 4, 5-tetra (4-carboxyphenyl) benzene as a precursor, and the positive electricity HOF is a hydrogen bond organic framework material synthesized by using 1, 3, 6, 8-tetra (p-aminophenyl)-pyrene as a precursor. The core synaptic plasticity performance such as pulse promotion, pulse suppression, long-time-history promotion, long-time-history suppression and pulse time sequence dependent plasticity can be stably shown.

The application discloses a graphene composite high-entropy metal oxide coating titanium-based electrode and a preparation method and application thereof, and relates to the technical field of electrode materials, in particular to a graphene composite high-entropy metal oxide coating titanium-based electrode and a preparation method thereof.The preparation method of the graphene composite high-entropy metal oxide coating titanium-based electrode comprises the following steps: S1, pretreating a titanium base; S2, placing the pretreated titanium base in an electrodeposition liquid, wherein the electrodeposition liquid is a mixed liquid of an oxidized graphene solution and a high-entropy metal salt solution; S3, performing electrodeposition on the titanium base by taking the titanium base as an anode and a graphite electrode as a cathode; and S4, performing heat treatment on the titanium base with the coating deposited thereon in an inert gas atmosphere.The graphene composite high-entropy oxide is prepared by electrodeposition, and the process is simple and the preparation cost is low.The graphene composite high-entropy oxide coating titanium electrode prepared by the application can realize the removal of more than 85% of COD within 120 min when used for treating high-concentration wastewater with COD of 500-20000 mg / L, has excellent stability, and has a wide application prospect.

This invention discloses a method for preparing and applying a fullerene-modified iridium-based composite coated titanium electrode, belonging to the field of titanium electrode preparation technology. The preparation method includes: pretreating the surface of a titanium substrate; completely dissolving an iridium source in an organic solvent, then adding a tantalum source and a titanium source and dissolving them completely; ultrasonically dispersing a fullerene in an organic solvent and adding it to the above solution, stirring until homogeneous to obtain an active liquid of fullerene-modified iridium-tantalum titanium oxide; brushing the prepared active liquid onto the pretreated titanium substrate surface, drying and sintering, then removing and cooling to room temperature; repeating the brushing, drying, and sintering process until all the active liquid is applied. This invention introduces fullerene, a zero-dimensional carbon material with excellent conductivity and corrosion resistance, to construct a highly efficient three-dimensional conductive network, improving catalytic reaction efficiency and the physical and chemical stability of the electrode under strong acid and strong oxidation conditions, thus significantly extending the electrode's lifespan.

The invention discloses a titanium selenide loaded platinum monatomic bio-based composite material and an electrode preparation method thereof, H2PtCl6 is dissolved in absolute ethyl alcohol, mixed with agricultural and forestry waste powder and TiSe2 nanoparticles and dried; and carrying out reduction treatment on the obtained powder by using mixed gas of ammonia gas and hydrogen, washing, centrifuging for multiple times by using absolute ethyl alcohol, and drying to obtain the composite material with the monatomic PtNC loaded on the TiSe2 nanoparticles. And preparing a coating solution from the prepared PtNC-TiSe2 powder material, coating the coating solution on a substrate for drying, and sintering the electrode containing the coating in a heating furnace to finally obtain the PtNC monatomic doped titanium selenide electrode. The invention provides an effective atomic level engineering strategy to improve the electrocatalytic property of the Pt-based electrocatalyst and improve the electrochemical redox demercuration performance, meanwhile, active sites on the surface of the metal selenide play a leading role in improving the demercuration performance of the Pt-based electrocatalyst, and single-atom Pt can be combined with more mercury in an electro-adsorption manner.

The invention provides a residual titanium electrode and a preparation method and application thereof. The residual titanium electrode comprises a main arc-shaped plate, a main arc-shaped plate and a main arc-shaped plate, the auxiliary arc-shaped plate is matched with the main arc-shaped plate so as to seal the opening of the main arc-shaped plate; wherein the main arc-shaped plate and the auxiliary arc-shaped plate are made of recycled plate-strip-shaped residual titanium materials; and the filling material is one or more forms of residual titanium materials which are filled in a closed cylinder formed by the main arc-shaped plate and the auxiliary arc-shaped plate and are fastened. According to the method, integrated recovery of the residual titanium in various forms is achieved, the resource utilization rate is greatly increased, the adaptability is high, and the cost is low.

This invention relates to the field of electrode material preparation technology, and discloses a method for preparing titanium substrate that can shorten the preparation process of titanium electrodes, comprising: Step 1: titanium plate preparation; Step 2: preparation of titanium palladium acid-etched metal alloy plate, using titanium, palladium and acid-etched metal ingots, forging and rolling to form titanium palladium acid-etched metal alloy plate; Step 3: preparation of titanium-based titanium palladium metal composite plate, combining the titanium palladium acid-etched metal alloy plate from Step 2 with the titanium plate from Step 1, and then immersing it in an acid solution until the acid-etched metal is completely dissolved to obtain a porous titanium-based titanium palladium metal composite plate; This invention can omit the sandblasting and shaping processes in the preparation of titanium electrodes, thereby shortening the production process of titanium electrodes, and the titanium substrate prepared for titanium electrodes has uniform roughness and strong oxidation resistance; This invention reduces production costs and improves product performance and production efficiency.

This invention discloses a bipolar membrane electrodialysis method for recovering nitrogen and phosphorus from magnesium tailings and its application, belonging to the field of aquaculture wastewater treatment technology. The invention utilizes a self-made circular electrolytic cell, along with cation and anion exchange membranes, a bipolar membrane, a peristaltic pump, and ruthenium-iridium-titanium electrodes, to form a bipolar membrane electrodialysis device. From left to right, the bipolar membrane electrodialysis device consists of an anode chamber, a tailings leaching chamber, a wastewater chamber, and a cathode chamber. A bipolar membrane connects the anode chamber and the tailings leaching chamber, a cation exchange membrane connects the tailings leaching chamber and the wastewater chamber, and an anion exchange membrane connects the wastewater chamber and the cathode chamber. Under the influence of an electric field, the bipolar membrane electrodialysis device catalyzes the dissociation of water to generate H₂. + And enter the tailings leaching chamber to assist in the Mg removal of magnesium tailings. 2+ Leaching, Mg in the tailings leaching chamber 2+ and OH in the cathode chamber ‑ It enters the wastewater chamber under the influence of an electric field, where OH... ‑ Under suitable alkaline conditions, nitrogen and phosphorus in aquaculture wastewater in the wastewater chamber are effectively precipitated in the form of magnesium ammonium phosphate precipitate.

The invention relates to a low-temperature disinfectant and a production method thereof. The production method comprises the following steps: (1) preparing a sodium chloride aqueous solution with the concentration greater than or equal to 20wt%; (2) preparing a ruthenium iridium titanium electrode; (3) electrolysis: electrolyzing the sodium chloride aqueous solution in an electrolytic bath by adopting a ruthenium-iridium-titanium electrode; (4) mixing: adding an organic solvent and trimethyl phosphate into the liquid storage tank, and uniformly mixing with the disinfectant to form a mixed solution; and (5) cooling: reducing the temperature of the mixed solution to-20 DEG C to-40 DEG C by using a refrigerator, so that the sodium chloride salt is separated out from the mixed solution, and the low-temperature disinfectant is obtained. The low-temperature disinfectant provided by the invention can not be frozen for a long time under extremely cold conditions in winter in northern areas; a large number of crystals can be separated out in the preparation process, the corrosion probability of disinfected objects is reduced, and the low-temperature disinfectant saves cost and is suitable for industrial large-scale production.

The application relates to the technical field of wastewater treatment, and specifically discloses an electric precipitation-electrochlorination coupling wastewater treatment method driven by polarity conversion. The coupling system adopted by the method comprises a diaphragmless reactor, a magnesium electrode, a ruthenium-iridium coating titanium electrode, a direct-current power supply with a polarity inversion function and a stirring device, and the two electrodes are concentrically nested in the reactor. The method switches the polarity of the electrode power supply through time sequence, first uses the magnesium electrode as an anode to perform an electric precipitation reaction, simultaneously realizes phosphorus recovery and partial ammonia nitrogen removal, reverses the polarity to use the ruthenium-iridium coating titanium electrode as an anode to perform an electrochlorination reaction, and deeply removes residual ammonia nitrogen. Single polarity inversion can simultaneously complete reaction function switching, electrode in-situ self-cleaning and solution pH self-buffering, and does not need to additionally add a cleaning process and an acid-alkali adjusting unit. The method is suitable for high-nitrogen and phosphorus molar ratio livestock and poultry breeding wastewater treatment, has the advantages of stable nitrogen and phosphorus removal and recovery, high system integration degree and recoverable nitrogen and phosphorus resources, and has a good engineering application prospect.

The device comprises a light source device, an optical lens, a platinum net electrode, a pure titanium electrode, an electrolyte tank with electrolyte and a power source, the platinum net electrode serves as a cathode and is connected with a negative electrode of the power source, and the pure titanium electrode serves as an anode and is connected with a positive electrode of the power source. The light source equipment couples a light beam of ultraviolet light into an electrolyte in the electrolyte tank through the optical lens by virtue of the optical fiber for transmitting the ultraviolet light, and the ultraviolet light irradiates the surface of the pure titanium electrode after penetrating through the platinum net electrode and is treated for a period of time under constant direct-current voltage to obtain a titanium dioxide nanotube with higher photocatalytic performance; and popularization and application of the device for preparing the titanium dioxide nanotube through ultraviolet light synchronous irradiation and anodic oxidation in the technical field of composite electrochemical machining are facilitated. Compared with a traditional method, the preparation method has the advantages that the energy consumption can be effectively reduced, the equipment cost and the operation complexity are synchronously reduced, and large-scale production of nanotubes is facilitated.

The present application relates to a kind of crystalline cobalt antimonate coating titanium electrode and its preparation method.The electrode active coating component is crystalline CoSb2O6, and Co and Sb element are uniformly distributed in active coating.The electrode is without noble metal such as Ru and Ir, and cost is far lower than classic TiO2-RuO2 coating titanium electrode.The electrode can achieve good chlorine evolution activity under low chloride ion concentration, and chlorine evolution activity is slightly lower than TiO2-RuO2 electrode, and service life is superior to TiO2-RuO2 electrode.In the field of on-site electrochemical treatment of wastewater, it has wide application prospect.The present application also provides the preparation method of cobalt antimonate coating titanium electrode, precursor solution is prepared by ethylene glycol-citric acid sol-gel method, electrode is coated by dip-coating plating film method, and finally electrode is prepared by thermal decomposition method.The present application is simple in process, low in cost, and suitable for large-scale production.

The present invention provides a large-capacity capacitor secondary battery having a current-collecting layer formed by depositing conductive microparticles. [Solution] Conductive nanoparticles are laminated onto the surface of titanium electrode material. For example, nanocarbon is laminated. A ceramic dielectric is laminated in the middle, and the electrode material is laminated on the other side with nanocarbon particles in between, and a ceramic coating is applied to create a stable laminated structure. Furthermore, nanocarbon fibers are incorporated to significantly improve capacitance, enabling a substantial increase in capacitance and stable product manufacturing and mass production. It is also used in combination with a capacitor to store the power to be supplied to the load, a secondary battery, a charge / discharge control circuit, a DC-DC converter, etc.

The invention relates to the technical field of production equipment, in particular to sponge titanium particle mixing and distributing equipment which comprises a vertically-fixed main stand column, a cantilever rotating around the main stand column is installed on the main stand column and driven by a driving mechanism to rotate, tank supports are installed at the two ends of the cantilever respectively, and mixing tanks are rotatably installed in the tank supports. And the mixing tank is driven by a tank driving motor to rotate. The design working mode of the sponge titanium particle mixing and distributing equipment can effectively improve the primary mixing quality of sponge titanium particles, increase the sponge titanium particle mixing time, improve the sponge titanium particle mixing uniformity, meet the requirement for short-time filling of large-mass electrode blocks, shorten the waiting time as much as possible, solve the problems of layering of the sponge titanium particles and increase the service life of the sponge titanium particles. The quality of the mixed material is reduced, so that the quality of the sponge titanium electrode block finished product is reduced.

The horizontal welding device for the spliced titanium alloy electrode blocks comprises a welding base, a sliding mechanism and a clamping mechanism, and the welding base is provided with containing groove bodies for sequentially containing the titanium electrode blocks to be welded; the sliding mechanism is arranged in the welding base and abuts against and clamps the multiple titanium electrode blocks in the axial direction with the welding base. The clamping mechanism is arranged on the top side of the containing groove body in the axial direction in a spacing-adjustable mode and drives the titanium electrode blocks spliced on the upper side and the lower side to abut against and clamp the titanium electrode blocks. According to the welding device, the multiple spliced electrode blocks can be driven to slide in the axial direction through the sliding mechanism and then abut against and are clamped, and splicing gaps between the electrode blocks in the axial direction are eliminated. And the gap between the upper and lower spliced electrode blocks can be eliminated through the clamping mechanism, mixing and welding forming of the titanium electrode blocks and the intermediate alloy can be completed, and compared with the situation that an alloy raw material needs to be mixed into a sponge titanium raw material before the titanium electrode is pressed at present, the operation efficiency of titanium alloy smelting at present can be effectively improved.

The invention discloses a corrosion-resistant long-life titanium electrode and a preparation method and application thereof.The corrosion-resistant long-life titanium electrode is characterized in that a titanium plate serves as a base body, a Ti-C composite barrier layer, a Mn-Co-Ce-based active layer and a Si-Ni-based composite protective layer are sequentially arranged on the surface of the titanium base body from inside to outside, and a three-layer functional gradient composite structure from the base body to the surface is formed. The Ti-C layer is tough and tough in combination, the Mn-Co-Ce layer is stable in catalysis, the Si-Ni layer is efficient in protection, the three layers perform their own functions and cooperate with one another, and a complete protection system from an interface to a bulk phase and then to the surface is constructed. On the basis of core elements, more than twenty optional elements are introduced in an open manner, and the interaction among the elements is utilized, so that the refined regulation and control and limit improvement of the performance are realized, and the performance bottleneck of modification of a single element or a small amount of elements is broken through.

The invention belongs to the technical field of electronic circuit manufacturing waste liquid treatment and resource recovery, and particularly relates to a chemical copper plating waste liquid electrochemical oxidation and copper high-value recovery method. The chemical copper plating waste liquid is sequentially subjected to pretreatment, electrochemical oxidation through a ruthenium-iridium-titanium electrode, precipitation reaction, solid-liquid separation, acid dissolution, solvent extraction and refining, back extraction and electrodeposition recovery, and a metal copper product is obtained. The method provided by the invention is an integrated method based on ruthenium iridium titanium electrode electrochemical oxidation-alkali precipitation-extraction refining, realizes efficient decomposition of organic complexes and high-valued recovery of copper resources, and can be widely applied to harmless treatment and resource utilization of the chemical copper plating waste liquid in the industries of printed circuit boards, integrated circuit packaging and the like.

The application discloses a circulating water electrochemical breakage and descaling system and method, which comprises a core reaction unit, a water storage unit and a water power control system; the core reaction unit comprises an electrochemical reactor and an electrode power supply; the electrochemical reactor comprises a lead electrode and a titanium electrode; the electrode power supply comprises a first electrode power supply with the lead electrode as an anode and the titanium electrode as a cathode, and a second electrode power supply with the titanium electrode as an anode and the lead electrode as a cathode; the water storage unit comprises an adjusting sedimentation tank and a circulating water tank; and the water power control system comprises an inlet pump, a discharge pump and a circulating pump. The titanium electrode and the lead electrode are alternately used as anodes of electrochemical reaction, the breakage reaction is first carried out, and then the descaling reaction is carried out, so that the ability of the system to remove scale ions in circulating water is enhanced. In the application, the electrochemical columnar reactor is used, the mass transfer efficiency of the electrode is increased, and the wastewater treatment performance of the system is improved.

The application discloses a fluorine-doped titanium-based gas diffusion electrode with lattice distortion, a preparation method and application thereof, and the electrode material is a fluorine-doped titanium oxide electrode material, has a titanium-oxygen octahedral cell distortion structure, and the size of the electrode material is 20-50 nm; the electrode material is loaded on a carbon base and is treated to obtain a gas diffusion electrode. When the electrode is applied to a cathode of an electrolytic cell, excellent electrocatalytic reduction synthesis of hydrogen peroxide in an acid and alkali electrolyte is exhibited, the distortion degree of the titanium dioxide octahedron in the electrode can be adjusted by adjusting experimental parameters, the resistance of the electrode to the strong acid and strong alkali electrolyte is strengthened, the gas mass transfer efficiency and oxygen utilization rate are extremely high, and the high energy loss of the electrode caused by the pH of the electrolyte is avoided.

The invention relates to the technical field of porous electrodes, and particularly discloses a porous nickel-molybdenum-cobalt hydrogen evolution cathode and a preparation method and application thereof. The cathode is prepared through the following steps that S1, a nickel base subjected to cleaning pretreatment is placed in absolute ethyl alcohol for use; s2, nickel sulfate hexahydrate, cobalt sulfate heptahydrate, ammonium molybdate tetrahydrate, a conductive agent and a complexing agent are sequentially added into deionized water and fully stirred, a first mixed solution is obtained, then an auxiliary complexing agent is added, the pH value is adjusted to 5-11, and an electroplating solution is obtained; s3, a nickel base serves as a cathode, a ruthenium-titanium electrode serves as an anode, the cathode and the anode are placed in the electroplating solution, electrochemical deposition is conducted, and an electro-deposition nickel base material is obtained; and S4, washing and drying the electrodeposited nickel-based material to obtain the porous nickel-molybdenum-cobalt hydrogen evolution cathode. According to the prepared cathode, an alloy coating is formed on the surface of the nickel base, the coating is combined with the porous characteristic of the foamed nickel base, the catalytic activity of the electrode in alkaline water electrolysis hydrogen production is improved, and meanwhile the corrosion resistance of the electrode is improved.

The invention provides an efficient coagulant for esterification wastewater treatment, a control system and an adding method, and the efficient coagulant comprises a composite coagulant solution which is prepared from an iron-based or aluminum-based inorganic polymer coagulant, a polymer flocculant and an electrochemical activation enhancer; the electrochemical activation module is used for carrying out online activation on the composite coagulant solution and comprises at least one group of cathode and anode, and the anode adopts a metal oxide coating titanium electrode with catalytic activity; and the intelligent control system is used for monitoring water quality parameters of the esterification wastewater in real time and dynamically adjusting the current density and / or voltage of the electrochemical activation module and the feeding rate of the composite coagulant solution based on the water quality parameters.

The invention discloses a preparation method of a titanium black electrode, and belongs to the technical field of titanium electrode materials. The method comprises the following steps: a, mixing titanium black powder, a binder and a solvent to prepare slurry; the binder is selected from at least one of stannous chloride, antimony chloride, cobalt chloride and butyl titanate; and b, coating the slurry on the surface of a titanium substrate, and sintering in a muffle furnace to obtain the titanium black electrode. The process for preparing the titanium black electrode is simple and low in cost, and the prepared titanium black electrode has good electrochemical stability, excellent electrocatalytic activity and high oxygen evolution potential and can be widely applied to the electrochemical fields of water treatment, metallurgy and the like.

This invention relates to a method for enhancing the lifespan of coated titanium electrodes using a polymer-modified coating solution. Compared to electrodes prepared with conventional coating solutions without polymer modification, the electrode coating prepared with the polymer-modified solution exhibits a 20-50% reduction in crack size, a 0.8-2.4-fold increase in accelerated life testing lifespan, and a 1-2.5-fold increase in lifespan during frequent reverse electrolysis of tap water. The polymer-modified coating solution method is applicable to coated titanium electrodes with various active coatings, including but not limited to RuO2-TiO2 coatings, RuO2-TiO2-IrO2 coatings, RuO2-TiO2-SnO2 coatings, and IrO2-Ta2O5 coatings. Furthermore, the polymer-modified coating solution method is compatible with existing industrial electrode manufacturing processes, namely the surface coating thermal decomposition process, and is easily scaled up for production.

The utility model discloses an electrochemical pipeline descaler, specifically relates to pipeline descaling technical field, including scale suction titanium electrode net board, scale suction titanium electrode net board top and bottom all are fixedly installed with first fixed block through welding, the upside vertical insertion and the connection of first fixed block have connecting screw rod, the bottom detachable mounting of scale suction titanium electrode net board has support plate, this electrochemical pipeline descaler adopts scale suction titanium electrode net board and inner net board combination design, and the contact area of electrode and fluid is increased greatly, makes electrochemical descaling reaction more fully, and promotes descaling efficiency, can remove pipeline dirt quickly and completely, solves the problem that the effect of existing descaling method is poor, simultaneously, using first fixed block, second fixed block, third fixed block, cooperate connecting screw rod, locating nut, realize the stable connection and convenient disassembly of scale suction titanium electrode net board, support plate and cover plate, and the inside component maintenance replacement is convenient, effectively reduces maintenance and time cost.

The application provides a high-efficiency coagulant for esterification wastewater treatment, a control system and an adding method, which comprises: a composite coagulant solution prepared from an iron-based or aluminum-based inorganic high-molecular coagulant, a high-molecular flocculant and an electrochemical activation enhancer; an electrochemical activation module for online activation of the composite coagulant solution, which comprises at least one set of cathode and anode, and the anode adopts a titanium electrode with a catalytically active metal oxide coating; and an intelligent control system for real-time monitoring of esterification wastewater quality parameters and dynamic adjustment of the current density and / or voltage of the electrochemical activation module and the adding rate of the composite coagulant solution based on the quality parameters.