485 results about "Chlorine" patented technology

The invention discloses a method for synthesizing 2, 3-dichloropyridine through electrochemical dechlorination, which comprises the following steps of: adopting a diaphragm electrolytic tank, taking a noble metal element modified material as a cathode, taking a chemical inert material as an anode, taking a solution containing 2, 3, 6-trichloropyridine as a catholyte, taking an aqueous solution of sulfuric acid or hydrochloric acid as an anolyte, and enabling current to pass through the solution containing 2, 3, 6-trichloropyridine from the anode to the cathode, the method comprises the following steps: preparing a solution containing 2, 3, 6-trichloropyridine, performing electrolytic reduction and dechlorination on the 2, 3, 6-trichloropyridine in the solution to obtain 2, 3-dichloropyridine, and recovering the 2, 3-dichloropyridine after electrolysis is finished. According to the method, the reaction temperature is reduced from 140 DEG C to room temperature or the reaction pressure is reduced from 3MPa to normal pressure; the use of hydrogen is avoided; and the yield of the target product is increased by 5-10%.

The invention discloses a solid electrolyte with high ionic conductivity, which comprises the following components: a matrix material: a halide super ion conductor with a LiMXCl4 structure, M being selected from at least one of Ta, Nb and Hf, X being O or F, a chemical general formula being LiM1-aX1-6Cl4, a being equal to 0.1-0.3, and an electrochemical window being regulated to 2.5-4.0 V through fluorine-chlorine mixed anion substitution; the second phase material is a core-shell structure compound, the core is Li3TiCl6, and the shell is a Li3PS4 interface layer; and the sintering aid is a compound of Li3BO3 and LiF. Through fluorine-chlorine mixed anion regulation and control and MO2Cl4 octahedron synergistic tilting mechanism, the ionic conductivity of the solid electrolyte is remarkably improved, the lithium ion conductivity at room temperature is greater than or equal to 10mS / cm, the activation energy is less than or equal to 0.2 eV and is superior to that of the traditional halide electrolyte, and meanwhile, the free volume between chains is optimized through Zr < 4 + > / Sn < 2 + > gradient doping, so that the performance of the solid electrolyte is improved. The core-shell structure compound and the silane coupling agent are combined for modification, so that the electrochemical window is effectively widened to 2.5-4.0 V, the interface side reaction is inhibited, and the composite material is adaptive to a high-voltage positive electrode material.

The invention relates to the technical field of water quality detection, in particular to a water quality total chlorine detection method and system.The method comprises the steps that firstly, the influence of environmental conditions on a chromogenic reaction is considered, and the environmental interference degree is determined through the temperature influence degree representing the overall temperature fluctuation change and the pH value influence degree representing the overall pH value standard deviation condition; then determining the chemical interference degree by characterizing the wavelength standard deviation and width of the maximum absorption peak which interferes with the influence of chemical substances and deviates and the number of redundant absorption peaks according to the influence of chemical conditions on the chromogenic reaction; determining a historical measurement error of the water quality total chlorine detector through a control variable method; the corrected water quality total chlorine concentration obtained by correcting the initial water quality total chlorine concentration by means of the environmental interference degree, the chemical interference degree and the measurement error is more accurate, and the accuracy of water quality total chlorine detection according to the obtained water quality total chlorine concentration is higher.

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.

Method for depositing tungsten in high-aspect-ratio (>50) structure includes: depositing a tungsten layer with first thickness on side wall and bottom of the recessed structure; introducing treatment gas to the substrate, the treatment gas includes free radical containing fluorine / chlorine and free radical containing one of carbon, sulfur, nitrogen, hydrogen or oxygen; and depositing tungsten layer with second thickness, so that at least part area of the recessed structure is filled with the tungsten. The free radicals in the treatment gas form surface bond on surface of the tungsten layer, so that subsequent deposition of the tungsten can be retarded, the etching with the free radical further prevents premature closing of a top opening of the recessed structure, seams in the recessed structure can be moved downward and narrowed, and can be prevented from being exposed during a subsequent CMP treatment process.

The invention is suitable for the technical field of industrial dust remover equipment operation monitoring and maintenance, and provides an industrial dust remover operation state monitoring method and system, and the method comprises the steps: obtaining an initial maintenance period of a target dust remover, extracting a plurality of historical samples which have the same type as the target dust remover, but have different high-chlorine treatment frequencies and the same preset work cycle from the database of the target dust removal plant; by constructing the comprehensive corrosion index and analyzing the change trend of the comprehensive corrosion index along with the increase of the high-chlorine treatment frequency, the key inflection point of rapid development of corrosion caused by damage of the protective film can be captured, the future high-chlorine treatment frequency is predicted in combination with the database, and the relative deviation value of the comprehensive corrosion index and the critical point is calculated and predicted. A maintenance period correction factor is generated, the initial maintenance period is revised in real time, and prospective early warning and dynamic maintenance of the potential accelerated corrosion risk of the equipment are achieved.

The invention discloses a catalyst for dealkylation in a chlorine-containing environment as well as a preparation method and application of the catalyst, and belongs to the technical field of catalyst reaction. The catalyst comprises a carrier and an active component, wherein the carrier comprises ZrO2 and MgFeO4; the active component comprises an auxiliary agent and a noble metal component, the auxiliary agent comprises a V2O5-WO3 composite oxide and a CeO2-MnO2 composite oxide, and the noble metal component comprises at least three of rhodium, ruthenium, platinum, palladium and gold. The noble metal components grow in mesopores of the carrier in a confined manner, and the auxiliaries with dechlorination and catalytic oxidation functions are uniformly distributed on the surface of the carrier, so that a two-step catalytic strategy of dechlorination and oxidation of chlorine-containing waste gas is realized, the poisoning phenomenon of the catalyst is effectively avoided, and an excellent catalytic effect is formed. Moreover, the catalyst is stable in property, still keeps an excellent catalytic function after being used for a long time, and is higher in practicability and better in economical efficiency.

A paste that includes particles of a layered material in an ammonia aqueous solution. The particles include one or plural layers, the layers having a layer body represented by MmXn, wherein M is at least one metal of Group 3, 4, 5, 6, or 7, X is a carbon atom, a nitrogen atom, or a combination thereof, n is not less than 1 and not more than 4, and m is more than n but not more than 5, and a modifier or terminal T exists on a surface of the layer body, wherein T is at least one selected from the group consisting of a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, and a hydrogen atom, wherein the paste has a viscosity of 1 Pa·s or more at a shear velocity of 1 / s when the paste has a solid content concentration of 1.0% by mass.

The invention provides a detection method of a monomer nitrogen-hydrogen-chlorine multidimensional stable isotope of chloroaniline and a monitoring method of chloroaniline, and relates to the technical field of isotope detection. According to the method, a gas phase-double oxidation tube-stable isotope ratio mass spectrum is adopted to detect and calculate a nitrogen stable isotope ratio in chloroaniline, and a gas phase-chromium filler cracking tube-stable isotope ratio mass spectrum is adopted to detect and calculate a hydrogen stable isotope ratio; the gas phase-multi-collector inductively coupled plasma mass spectrometry is adopted to detect and calculate the chlorine stable isotope ratio, so that the determination of the multi-element stable isotope ratio of nitrogen, hydrogen and chlorine in o-chloroaniline, m-chloroaniline and parachloroaniline is realized, the detection degree is more comprehensive, and the detection result is accurate, efficient and reliable. The range of each isotope signal value in the detection process is controlled, and high accuracy of the detection result can be ensured. The detection method provided by the invention provides a new method and means for deep research and monitoring of chloroaniline traceability, degradation mechanism and environmental homing.

The invention belongs to the technical field of materials, and particularly relates to a high-conductivity cuprous halide doped chlorine-rich argyrodite electrolyte as well as a preparation method and application thereof. The preparation method comprises the following steps: putting raw materials Li2S, P2S5, LiCl and CuX (X = F, Cl, Br and I) into a high-speed ball mill according to a certain proportion, uniformly mixing, and after ball milling is completed, pressing an electrolyte powder precursor into blocks under a certain pressure (10-1000 Mpa); sealing in a vacuum quartz tube for subsequent annealing treatment, and grinding the blocky electrolyte subjected to annealing treatment in a mortar to obtain the final electrolyte marked as LPSI-(CuX) z. The method is simple in process, low in cost, good in reproducibility and excellent in performance.

The utility model relates to the technical field of chemical production equipment, and particularly discloses a chlorine-containing hydrogen fluoride separation system which comprises a condensing tower and an absorption separation tower which are sequentially connected, an absorption separation device comprises a tower body, a distribution disc and a filler section are sequentially arranged in the tower body from top to bottom, and a liquid inlet and a gas outlet are formed in the upper end of the tower body; a liquid outlet and an air inlet are formed in the lower end of the tower body, the air inlet and the liquid inlet are both formed in the radial direction of the tower body, and the liquid outlet and the air outlet are both formed in the axial direction of the tower body; dilute sulfuric acid is introduced into the liquid inlet. The utility model aims to solve the problem that the absorption and separation effect of chloride ions in fluosilicic acid of a separation system is not ideal in an existing production system for preparing hydrofluoric acid by a fluosilicic acid method.

The invention belongs to the technical field of chemical engineering and environmental protection, and particularly relates to a method for preparing ethylene from chlorine-containing organic waste. According to the method, the efficient and environment-friendly thermal plasma technology is adopted, the chlorine-containing organic waste is treated by using the gas containing the hydrogen element and the carbon element as the working gas and converted into high-value chemicals such as ethylene and acetylene, and resourceful treatment of the chlorine-containing organic waste is achieved. The working gas can provide a hydrogen-rich reaction atmosphere on one hand, and provides a carbon source on the other hand, so that the yield of ethylene and acetylene is increased. Meanwhile, by adopting a graded quenching technology and regulating and controlling the quenching rates in different temperature ranges in the quenching process, the selectivity and yield of ethylene are greatly improved, the problem that the yield of ethylene in the pyrolysis gas-phase product in the prior art is not high is solved, and effective regulation and control of the composition of the chlorine-containing organic waste pyrolysis gas-phase product are realized.

The invention belongs to the technical field of chemical water treatment corrosion prevention, and particularly relates to a corrosion prevention treatment method for a nuclear power plant equipment cooling water system metal material. The pH value is controlled to be 9.0-10.5 by adopting a method of slowly releasing lithium when a lithium type and oxyhydrogen type mixed resin purification bed runs, and impurities are removed by virtue of the resin purification bed so as to control chlorine, fluorine and sulfate radical impurity ions to be less than 50mu g / kg; the dissolved oxygen is controlled to be less than 50mu g / kg by adopting a method of nitrogen coverage at the upper part of the high-level water tank and slow oxidation and oxygen consumption of a metal material in an operation process. The problems existing in the aspect of system medium water discharge treatment are eliminated or simplified, meanwhile, the problems of unqualified water quality and corrosion caused by the fact that a high-concentration corrosion inhibitor leaks into other systems in current corrosion inhibition treatment are solved, and the microbial corrosion risk during corrosion inhibitor treatment is reduced.

The invention relates to the technical field of gas analysis, in particular to a determination method for detecting impurity elements in chlorine-nitrogen mixed gas by an ICP-MS (Inductively Coupled Plasma Mass Spectrometry) method. The invention establishes an analysis method for determining the contents of eight elements including iron (Fe), chromium (Cr), copper (Cu), zinc (Zn), nickel (Ni), sodium (Na), cadmium (Cd) and phosphorus (P) in chlorine-nitrogen mixed gas by an ICP-MS (Inductively Coupled Plasma Mass Spectrometry) method. By optimizing ICP-MS analysis conditions and a sample pretreatment process and adopting an electronic-grade solvent to leach elements, rapid and accurate detection and high reproducibility of the impurity content in the chlorine-nitrogen mixed gas are realized. The method can be applied to quality control and analysis in the production process of a chlorine-nitrogen mixed gas product, and lays a foundation for establishing a standard of a chlorine-nitrogen mixed gas analysis method.

The invention discloses a chlorine ion-free defluorination agent and a preparation process, and particularly relates to the field of defluorination agents.The preparation process comprises the steps that when a dispersion medium system and a skeleton structure enhancing component are mixed, fluid pressure is detected in real time through a fluid pressure-sensitive element, and when a detection value is inconsistent with a first preset threshold value, the defluorination agent is defluorination agent; adjusting the stirring speed until the detection value is adjusted to a preset threshold value I, so as to obtain a mixture I; when the magnetic core-shell structure carrier component is added into the first mixture, the instantaneous pressure is continuously monitored, if the detection value is not consistent with a second preset threshold value, the raw material adding rate is adjusted until the detection value is adjusted to the second preset threshold value, and a second mixture is obtained on the basis of the adjustment. A fluid pressure-sensitive element is introduced in each stage, and dynamic comparison and control response of a pressure threshold are combined, so that the forming condition of each step is operated in an optimal pressure window, and particularly, structural distortion and collapse are effectively inhibited in the pore channel construction and drying forming stages.

The invention relates to the technical field of waste gas treatment, in particular to a chlorine-containing waste gas absorption treatment system which comprises a waste gas treatment tank, a primary spraying assembly and a multifunctional assembly, a spraying contact assembly is rotationally arranged at the upper end in the waste gas treatment tank through an anti-explosion driving supporting frame, and the spraying contact assembly comprises a rotation mounting disc and two treatment contact boxes; when chlorine-containing waste gas is absorbed and treated, the spraying contact assembly which rotates and moves is arranged to be in contact with the chlorine-containing waste gas, when the waste gas passes through, the waste gas is subjected to primary contact treatment through the primary spraying assembly, and then sprayed water quickly passes through the spraying contact assembly which rotates at a high speed and coats the surface of filler; the mass transfer efficiency of waste gas treatment is improved, in addition, under the matching action of the auxiliary assembly, stability of the filler can be kept, full contact between the filler and water and flushing maintenance of the filler in the later period can be enhanced, and in addition, when the filler needs to be replaced, operation can be conveniently carried out in a time-saving mode through matching of all mechanisms.

The invention provides an electrolyte and a method for carrying out surface treatment on a base material by adopting the electrolyte. The electrolyte comprises the following components in percentage by mass: 6%-12% of an oxidizing agent; 3%-7% of an accelerant; 0.3%-6% of a corrosion inhibitor; 1%-6% of a complexing agent; 0.5%-8% of a wetting agent; and the balance of solvent. According to the method, the oxidizing agent, the accelerant, the corrosion inhibitor, the complexing agent, the wetting agent and other components are added into the electrolyte, so that the base material is subjected to nano corrosion and oxidation treatment in the same tank body, the corrosion precision is controllable, and the technological process is simplified. The same-tank treatment can save chemicals and tank equipment, and the electrolyte does not contain fluorine, chlorine and heavy metals, does not damage an aluminum oxide film, is safe in process, and reduces the wastewater treatment cost.

The invention relates to a production method of imidodisulfuryl fluoride and a production method of lithium imidodisulfuryl fluoride, the production method of imidodisulfuryl fluoride takes sulfamic acid, chlorosulfonic acid and thionyl chloride as raw materials, imidodisulfuryl fluoride is obtained through chlorination reaction, imidodisulfuryl fluoride and hydrofluoric acid or imidodisulfuryl fluoride and hydrogen fluoride gas are taken as raw materials, imidodisulfuryl fluoride and hydrogen fluoride gas are subjected to chlorination reaction to obtain imidodisulfuryl fluoride. The invention discloses a method for producing bis (fluorosulfonyl) imide, which comprises the following steps: by taking bis (fluorosulfonyl) imide as a raw material, carrying out fluoridation reaction to prepare a bis (fluorosulfonyl) imide crude product, adding metal salt into the bis (fluorosulfonyl) imide crude product, and then carrying out melt crystallization and / or rectification. According to the method, the metal salt is added into the difluorosulfonyl imide crude product, so that the metal salt can react with a light component in a fluorination reaction system or a component with a boiling point similar to that of the target product difluorosulfonyl imide, and the impurities react to generate salt with a relatively high boiling point; therefore, the components can be separated from the target product imidodisulfuryl fluoride in the subsequent purification process, and the purity of imidodisulfuryl fluoride is further improved.

Embodiments of the present disclosure provide a method for producing waste plastic pyrolysis oil with reduced chlorine, the method including a first operation of charging a waste plastic feedstock and modified red mud into a reactor, and a second operation of pyrolyzing the waste plastic feedstock in the reactor and recovering pyrolysis oil, wherein when the modified red mud is subjected to X-ray diffraction (XRD) analysis, an intensity of a first peak at a 2θ diffraction angle of 14±0.1° is higher than an intensity of a second peak at a 2θ diffraction angle of 14.5±0.1°.

The invention relates to the field of tantalum powder mixed salt utilization, and discloses a method for recycling a byproduct fluorine-chlorine-sodium-potassium-containing mixed salt in tantalum powder production. The method comprises the following steps: (1) leaching fluorine, chlorine, sodium and potassium-containing mixed salt in the presence of a leaching agent to obtain a solid mixture A and a salt solution B; (2) sorting the solid mixture A obtained in the step (1) to obtain a tantalum pentoxide crude product and a sodium fluoride product; (3) reacting the salt solution B obtained in the step (1) with a composite fluorine removal agent to obtain a fluorine-containing solid and a salt solution C; and (4) crystallizing the salt solution C obtained in the step (3) to obtain a potassium chloride product and a salt solution D. The method can realize separation and recovery of valuable elements to the greatest extent.

The invention relates to a method for simultaneously detecting fluorine and chlorine contents in lead concentrate by an ion selective electrode method, and belongs to the technical field of new material detection, and the method specifically comprises the following steps: (1) preparing a sample into a to-be-detected solution; (2) preparing a fluorine ion electrode standard solution and a chloride ion electrode standard solution; (3) calibrating a fluorine ion standard solution and a chloride ion standard solution; and (4) sample determination and data processing. According to the combined measurement method provided by the invention, through a layered coverage method, optimization of the ratio of potassium hydroxide to potassium nitrate and gradient temperature rise, on the premise of ensuring data quality, an accurate result is conveniently obtained; compared with a fluorine or chlorine testing method commonly used in the market, the method is short in time consumption, simple in equipment and accurate in data; in addition, the combined detection method provided by the invention breaks through the pH limit of traditional single ion detection, and provides a reliable solution for synchronous determination of fluorine and chlorine in a complex matrix sample.

The invention relates to the technical field of element content determination, and provides a method and a system for determining chlorine content in a ternary precursor. The method for measuring the chlorine content in the ternary precursor comprises the steps that the ternary precursor, an HNO3 solution and an H2O2 solution are mixed in a closed container, a mixed solution is obtained, and the substance amount ratio of HNO3 to H2O2 is (2-3): 1; heating and reacting the mixed solution to obtain a solution; the chlorine content in the solution is measured, and then the chlorine content in the ternary precursor is obtained; the ternary precursor comprises a spinel type oxide. The method can accurately measure the chlorine content in the ternary precursor.

The invention discloses a method for recovering germanium, gallium and zinc from zinc oxide smoke dust rich in germanium and gallium, and belongs to the technical field of recovery of scattered metals. The smoke dust and the high-acid leaching liquid are subjected to size mixing according to the liquid-solid ratio of (6-8): 1 and react for 1-2 h at the temperature of 60-80 DEG C, and the final acid concentration is 5-20 g / L; ore pulp and supernate are separated in sequence, concentrated sulfuric acid and waste electrolyte are added into underflow and filter pressing residues according to the liquid-solid ratio of (2-4): 1, high-acid leaching is conducted, reaction is conducted for 2-3 h at the temperature of 80-90 DEG C, and the final acid concentration is 20-30 g / L; and separating ore pulp, carrying out underflow filter pressing to obtain lead slag, and returning supernate and filtrate to the low-acid leaching section. A germanium precipitation agent is added after the low-acid leaching solution is dechlorinated, a reaction is conducted for 5-6 h at the temperature of 50-70 DEG C, the pH value of the solution obtained after germanium precipitation is 4.5-4.8, the germanium content is smaller than 0.5 mg / L, and germanium-rich slag is obtained after ore pulp is subjected to filter pressing. A neutralizer is added into the germanium-deposited liquid, the pH of the end point of first-section neutralization is 5-5.2, and gallium-rich slag is obtained after ore pulp is subjected to filter pressing; after the first-stage neutralization, liquid is subjected to second-stage neutralization, the pH value of the end point of the second-stage neutralization is 5.4-6, filter residues are returned to the first-stage neutralization section after ore pulp filter pressing, and zinc ingots are produced from liquid after the second-stage neutralization. The method can efficiently separate germanium, gallium and zinc, and is short in process flow and simple to operate.

The invention provides a method for separating chloropropene and chloropropane, which comprises the following steps of: (1) feeding circulating chloropropene into a coarse distillation tower for distillation separation to obtain chloropropene at the tower top, feeding a mixture flow obtained from a tower kettle into an extractive distillation tower from a feeding hole, performing extractive distillation on the mixture flow and an extracting agent, obtaining chloropropane at the tower top of the extractive distillation tower, and obtaining chloropropane at the tower bottom of the extractive distillation tower; obtaining a mixture flow of chloropropene and the extracting agent from the tower kettle; and (2) sending a mixture flow of chloropropene and the extraction agent obtained from the tower kettle of the extractive distillation tower to an extraction agent recovery tower for recovery, obtaining chloropropene from the tower top and obtaining the extraction agent from the tower kettle, and recycling the extraction agent to the extractive distillation tower. The circulating chloropropene is subjected to coarse rectification, extractive rectification and extraction agent recovery, so that the content of inert components in the circulating chloropropene is reduced, and the subsequent reaction efficiency is improved.

A two-dimensional particle that includes: one or plural layers that comprise a layer body represented by: MmXn, wherein Mis at least one metal of Group 3, 4, 5, 6, or 7; X is a carbon atom, a nitrogen atom, or a combination thereof; n is 1 to 4; and m is more than n but not more than 5, a modifier or terminal T exists on a surface of the layer body, wherein T is at least one selected from a hydroxyl group, a fluorine atom, a chlorine atom, an iodine atom, an oxygen atom, a chlorine atom, a phosphorus atom, and a hydrogen atom; and a hydrocarbon compound exists on the one or plural layers.

An electrode including a film having two-dimensional particles, the two-dimensional particles containing at least a metal cation and one or a plurality of layers, the layers including a layer body represented by: MmXn, wherein M is at least one Group 3 to 7 metal and contains at least a Ti atom, X is a carbon atom, a nitrogen atom, or a combination thereof, n is 1 to 4, m is more than n and 5 or less; and a modifier or terminal T is present on a surface of the layer body, wherein T is at least one of a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, and a hydrogen atom, the metal cation contains a Li cation, and a content of the Li cation in the two-dimensional particles is 5.4 mol or more with respect to 100 mol of the Ti atom.

The invention relates to the technical field of precious metal recovery, in particular to a method for recovering trace iridium in a solution, trace iridium in the solution is recovered by utilizing a vulcanizing agent, liquid-phase ppm-level iridium is transferred to solid-phase to obtain about 5% iridium-containing sulfide, the process is short in time consumption and low in energy consumption, and then chloroiridic acid is prepared through the processes of impurity removal, melting, chemical precipitation and the like. The problems that a large amount of salt is separated out and the iridium enrichment rate is low due to direct solvent evaporation are solved, iridium recovery is effectively achieved, and cost reduction and efficiency improvement are achieved.

The present invention relates to a method for separating and enriching a chlorine-37 isotope using a laser photochemical reaction and, specifically, to a method for separating and enriching a high-purity chlorine-37 isotope, which is essential for a next-generation molten chloride fast reactor (MCFR) and the like, by selectively photolyzing specific isotopic molecules of iodine monochloride (ICl) using a high-power fiber laser or a solid-state Raman laser and reacting same with a radical scavenger to effectively terminate a chain reaction. Accordingly, by employing, as a light source, a single-frequency fiber laser or a solid-state Raman laser that has higher power efficiency and easier maintenance than conventional dye lasers and is capable of achieving high power of several kW or more through modular expansion, mass production on an industrial scale can be realized and the economic feasibility of the process can be significantly secured.

The present invention relates to a copper oxide powder having a specific surface area of at least 25.0 m 2 / g to 70.0 m 2 / g, a crystallite size of not more than 150.0 Angstrom (A), and a chlorine content of less than 200 ppm, and a process for the production of the copper oxide powder.

The application discloses a FeOCl / Ti3C2T x The application discloses a chlorine removal electrode material and a preparation method and application thereof, and relates to the technical field of electrode materials. x The application discloses a chlorine removal electrode material and a preparation method and application thereof, and relates to the technical field of electrode materials. ‑ The application discloses a chlorine removal electrode material and a preparation method and application thereof, and relates to the technical field of electrode materials. x The application discloses a chlorine removal electrode material and a preparation method and application thereof, and relates to the technical field of electrode materials. x The application discloses a chlorine removal electrode material and a preparation method and application thereof, and relates to the technical field of electrode materials.