30 results about "Tetrachloroaluminate" patented technology

An electrolyte for use in electrochemical cells is provided. The properties of the electrolyte include high conductivity, high Coulombic efficiency, and an electrochemical window that can exceed 3.5 V vs. Mg / Mg+2. The use of the electrolyte promotes the electrochemical deposition and dissolution of Mg without the use of any Grignard reagents, other organometallic materials, tetraphenyl borate, or tetrachloroaluminate derived anions. Other Mg-containing electrolyte systems that are expected to be suitable for use in secondary batteries are also described.

An electrolyte for use in electrochemical cells is provided. The properties of the electrolyte include high conductivity, high Coulombic efficiency, and an electrochemical window that can exceed 3.5 V vs. Mg / Mg+2. The use of the electrolyte promotes the electrochemical deposition and dissolution of Mg without the use of any Grignard reagents, other organometallic materials, tetraphenyl borate, or tetrachloroaluminate derived anions. Other Mg-containing electrolyte systems that are expected to be suitable for use in secondary batteries are also described.

The invention relates to a treatment method of sodium tetrachloroaluminate solid slag. The treatment method firstly mixes sodium tetrachloroaluminate solid slag with water for dissociation, then adds alkali to carry out polymerization reaction, and then carries out concentrated crystallization, solid-liquid Separating to obtain solid sodium chloride and concentrated mother liquor, and then aging the obtained concentrated mother liquor to obtain a liquid product of polyaluminum chloride. The treatment method of the present invention fully recovers the aluminum chloride and sodium chloride obtained by dissociating the solid slag of sodium tetrachloroaluminate, which not only solves the problem of solid waste disposal, but also prepares high value-added polyaluminum chloride Liquid product, Al 2 o 3 The mass fraction is ≥10%, and the basicity is ≥60%, which meets the index requirements of the national standard GB 15892-2009; the treatment method does not need to introduce organic solvents, does not have cross-contamination, and can reduce costs, and has the advantages of simple process flow, It has the advantages of simple operation and less investment in equipment.

The invention discloses a heterogeneous Fenton catalyst, a preparation method thereof and application of the heterogeneous Fenton catalyst to degradation of phenolic wastewater. The preparation method includes the steps of dissolving sodium tetrachloroaluminate with ethanol water; filtering to obtain filtrate B, adding deionized water and ammonium hydroxide into the filtrate B, and hydrolyzing to obtain liquid C; adding urea and a saturated ferrous sulfate water solution into the liquid C so as to obtain coating slurry; immersing cordierite monolith ceramics carriers into the coating slurry for surface coating, adding the cordierite monolith ceramics carriers subjected to surface coating into a mixed water solution of FeSO4 7H2O, Ce(NO3)3 6H2O and cyanuric acid to obtain thick liquid, subjecting the thick liquid to solid-liquid separation to obtain a solid D, and roasting prior to rapid cooling so as to obtain the heterogeneous Fenton catalyst applied to degradation of the phenolic wastewater. The preparation method has the advantage that a catalyst preparation method is changed to stop active ingredients from loss so as to make the catalyst high in catalytic activity, stable in catalytic performance and recyclable.

The invention relates to a treatment method of sodium tetrachloroaluminate solid slag. The treatment method comprises the following steps: (1) mixing sodium tetrachloroaluminate solid slag with water for dissociation, and then adding a separating agent to separate out chlorine hexahydrate Aluminum chloride, or sodium tetrachloroaluminate solid slag is directly mixed with a separating agent for dissociation, and aluminum chloride hexahydrate is separated out, and then aluminum chloride hexahydrate solid and a filtrate are obtained through a solid-liquid separation; (2) The first filtrate is concentrated and crystallized, and the second solid-liquid separation is carried out to obtain sodium chloride solid and the second filtrate. The treatment method does not need to introduce an organic solvent, and there is no cross-contamination, and the cost can be reduced; and the aluminum chloride and sodium chloride obtained by dissociating the solid slag of sodium tetrachloroaluminate are fully recovered, and the sodium tetrachloroaluminate is realized. The high resource utilization of solid slag can also return the obtained secondary filtrate to the solid slag dissociation stage to provide a separating agent, which embodies the concept of circular economy and has the advantages of simple process flow and easy operation.

The invention discloses a method for recovering and treating a sodium tetrachloroaluminate catalyst composition. The sodium tetrachloroaluminate is added into water, and the temperature rises to react to generate aluminum trichloride and sodium chloride; the aluminum trichloride, sodium chloride The mixture is controlled at a certain temperature, and an oxidizing agent is added for oxidation treatment; after the treatment, dehydration, crystallization, filtration, washing and separation are carried out to obtain aluminum trichloride and sodium chloride; the obtained aluminum trichloride is used to prepare polyaluminum chloride, The obtained sodium chloride is used to prepare anhydrous sodium chloride. In the present invention, the by-product sodium tetrachloroaluminate can be separated into sodium chloride and aluminum trichloride by hydrolysis, and there is no need to add other organic dissolving agents during the treatment process, thereby avoiding the introduction of organic impurities; the present invention obtains The products such as polyaluminum chloride, sodium chloride, and aluminum tripolyphosphate have a large market capacity, are easy to sell, and can also produce good economic benefits.

The invention discloses a method of recycling a catalyst used in Friedel-Crafts process for producing an aryl-s-triazine ultraviolet absorber. The method includes the following steps: 1) with chlorobenzene as a solvent, performing a Friedel-Crafts reaction to cyanuric chloride and aromatic hydrocarbon under a catalyst, AlCl3, to prepare a reaction solution which contains an intermediate of the aryl-s-triazine ultraviolet absorber; 2) adding a tetrachloroaluminate ionic liquid, as an extract agent, to the reaction solution so as to separate the intermediate of the aryl-s-triazine ultraviolet absorber from the AlCl3 or tetrachloroaluminate ions, and recycling the extracted and separated AlCl3 or tetrachloroaluminate ions as the catalyst or the extract agent for producing the aryl-s-triazineultraviolet absorber via the Friedel-Crafts process. In the method, the tetrachloroaluminate ionic liquid is used as the extract agent to separate the intermediate from the catalyst phase AlCl3, so that the catalyst, AlCl3, used in the Friedel-Crafts process can be recycled. The method eliminates waste water containing the AlCl3 without reduction on product yield, thus significantly improving clean production performance.

The invention relates to a method for converting cis-substituted cyclohexyl into trans-substituted cyclohexyl. The cis-substituted cyclohexyl has a structural formula shown in the specifications, wherein R and R' are the same or different and are an H atom, fatty hydrocarbyl with 1 to 10 carbon atoms, or aromatic hydrocarbyl with 1 to 10 carbon atoms; X and X' are the same or different and are an H element, 1 to 3 halogens, cyan, alkyl, alkoxy, trifluoromethyl or trifluoromethoxy; a catalyst converted from an isomer is weakened aluminum trichloride of which the activity is weakened by a weakening additive, or tetrachloroaluminate; and the reaction temperature is between -20 and +50 DEG C. The conversion method is simple and practicable, other isomerization side reactions in the cyclohexyl conversion process can be effectively inhibited when cyclohexyl conversion reaction is performed, a few isomerization byproducts are generated, yield is high, and a wide application prospect is achieved.

The invention relates to a preparation method of a porous activated aluminum oxide adsorbing material. The preparation method comprises the following steps: (1) dissolving and hydrolyzing solid sodium tetrachloroaluminate by using an ethanol water solution; (2) adding water into an obtained solution to generate aluminum trichloride hexahydrate; (3) adding ammonia water for reaction to generate hydrated alumina suspension liquid, and ageing to obtain alpha-diaspore; (4) peptizing by using acid to obtain sol, dropwise adding the sol into an oil-ammonia column by adopting a dripping method, allowing the sol to retract to form balls under the effect of a surface tensile force in oil, putting the balls into ammonia water, neutralizing and ageing to form hard gel ball-like substances, washing away oil ammonia by using water and drying; and (5) baking to obtain the porous activated aluminum oxide adsorbing material. The preparation method disclosed by the invention can be used for solving the problems of wastewater treatment, improving cyclic utilization of resources, realizing value maximization and increasing the additional value of byproducts; the porous activated aluminum oxide adsorbing material is good in thermal stability at high temperature, large in specific surface area, good in adsorption performance, simple in production process, convenient to operate, low in cost and basically free of environmental pollution from aspect of production technology.