42results about How to "Adjustable hole structure" patented technology

The invention provides a polyimide fibrous membrane with crosslinking morphology and a preparation method thereof. Binary acid anhydride and diamine are adopted to perform solution condensation polymerization, so as to prepare a precursor of polyimide, i.e. polyamide acid; then a polyamide acid fibrous membrane is prepared by electrostatic spinning. The polyamide acid fibrous membrane is pretreated, and is heated to 200 to 250 DEG C, so as to obtain a partially imidized fibrous membrane, afterwards the partially imidized fibrous membrane is immersed into a soluble solvent of the polyamide acid for performing slightly soluble crosslinking treatment, is dried, and is subjected to high temperature thermal imidization so as to obtain the polyimide fibrous membrane with the crosslinking morphology. The prepared polyimide fibrous membrane has a crosslinking structure, the mechanical property is greatly improved, the pore structure is adjustable, crosslinking degree and pore structure distribution are adjusted by changing pretreatment temperature and solvent treatment time, the preparation process is simple, the process is easy to form, and the industrialized application prospect is very good.

The invention discloses a preparation method of a micron-sized monodispersed porous silica microsphere. A novel porous polysilsesquioxane microsphere is taken as a template, direct calcinations is conducted for removing organic components, and thus a monodispersed porous silica microsphere material with the controllable particle size and hole diameter. The invention further discloses the micron-sized monodispersed porous silica microsphere prepared through the preparation method, the particle size of the silica microsphere is 3-10 [mu]m, the pore volume is 0.3-0.9 cm<3> / g, the specific surface area is 100-400 m<2> / g, and the hole diameter is 3-100 nm. Compared with a traditional process, the preparation method is simple, the economical effect is achieved, graded screening is not needed, and the prepared porous silica microsphere is round and normal in shape and uniform in particle size distribution, has a mesoporous structure, can be directly applied to high performance liquid chromatography stationary phases, and can also be applied to the fields such as catalytic carriers, coating and cosmetic additives.

The present invention relates to the field of structured catalytic materials, in particular to a foam-structure catalyst used in a reaction for preparing benzyl alcohol from benzaldehyde through hydrogenation and a preparation method thereof. The objective of the invention is to overcome the problems that conventional granular catalysts are prone to wearing; the catalysts are difficult to separate from reaction products; recovery processes are complex; etc. The foam-structure catalyst in the invention is of a three-dimensional interconnected network foam structure; the main structure of the catalyst is composed of a foam ceramic material used as a first carrier, a coating (used as a second carrier), a catalytically active component and the like, wherein the second carrier uniformly coats the surfaces of foam ribs of the first carrier, and the catalytically active component is uniformly supported in the second carrier with a high specific surface area. The foam-structure catalyst of the invention is used for a reaction for preparing benzyl alcohol from benzaldehyde through liquid-phase hydrogenation; technology is simplified; and complicated equipment is not needed. The foam-structure catalyst can enhance the mass transfer process of a chemical reaction while avoiding catalyst wearing and simplifying a separation process, and has the advantages of high mass transfer efficiency, good catalytic activity, high benzyl alcohol selectivity and good stability.

The invention belongs to the field of lithium ion battery diaphragm materials and discloses modified silicon dioxide and a lithium ion battery polyolefin microporous diaphragm. The diaphragm is prepared by the following method: blending modified silicon dioxide with polyolefin having high / ultrahigh molecular weight, adding common polyolefin, and pelleting so as to obtain modified masterbatch; mixing the modified masterbatch with polyolefin and then carrying out melt blending and extrusion so as to form a diaphragm with a hard elastic structure; and carrying out continuous tension on the diaphragm, and then carrying out heat shaping at the temperature of 100-150 DEG C so as to obtain the lithium ion battery polyolefin microporous diaphragm. According to the invention, the thickness of the lithium ion battery polyolefin microporous diaphragm is relatively low (less than 15mu m); the strength of the diaphragm is better (the longitudinal breaking strength is larger than 100MPa, the transversal breaking strength is about 8MPa, and breaking elongation is 50%); the porosity and pore structure of the diaphragm are adjustable (the porosity is more than 50%, and the pore diameter is 0.1-1mum); and the thermal shrinkage factor of the diaphragm is smaller (less than 5%). According to the invention, the defect and lack of the existing dry preparation technology of the lithium ion battery diaphragm are overcome.

A method for preparing three-dimensional network nanoporous copper comprises the following steps of: (1) mixing a Cu powder and a Mn powder with Cu atomic percent being 20-60% and the other being Mn, and carrying out arc melting to form mother alloy; (2) heating the obtained alloy in a bottom open-ended quartz test tube to a molten state, rapidly blowing out the molten alloy by the use of an inert gas, and rapidly solidifying the molten liquid alloy on a copper roller which is rotating at high speed so as to obtain an alloy ribbon; (3) placing the obtained alloy ribbon into an acid or strong acid and weak base salt solution for dealloying, namely placing the alloy ribbon into a hydrochloric acid solution of 0.01-10mol / L to react at 0-99 DEG C for 0.1-100 hours; and (4) repeatedly flushing the three-dimensional network nanoporous copper ribbon obtained after completely dealloying by the use of distilled water until pH value is neutral, carrying out vacuum drying and preserving.

The invention discloses a hydrothermally stable anionic pillared porous material and a preparation method and applications thereof. The hydrothermally stable anionic pillared porous material is prepared from metal ions, an inorganic anion NbOF5<2-> and an organic ligand through self-assembly and the components are connected by coordination bonds. The formula of the porous material is ZU-NbOF5-L-M.The preparation method comprises following steps: mixing a metal oxide (MO), Nb2O5 and hydrofluoric acid according to a certain ratio in a hydrothermal reactor to carry out hydrothermal reactions, and then cooling the hydrothermal reactor in a still state to obtain an inorganic metal ligand MNbOF5; and (2) dissolving M-NbOF5 into a solvent (A) to obtain a solution (A), dissolving an organic ligand (L) into a solvent (B) to obtain a solution (B), adding the solution (A) into the solution (B), stirring, carrying out reactions, after reactions, washing the reaction production by a solvent (C), soaking the reaction product in the solvent (C), and drying to obtain ZU-NbOF5-L-M. The provided hydrothermally stable anionic pillared porous material is used to separate C2-C3 hydrocarbon compounds.

The invention discloses phenolic resin based active carbon as well as a preparation method and application thereof, wherein at least one of metallic oxide and nanometer noble metal, and nanometer silver are loaded on the phenolic resin based active carbon, wherein the nanometer noble metal does not include the nanometer silver. The phenolic resin based active carbon provided by the invention has the advantages that the formaldehyde can be effectively adsorbed and decomposed; a sterilization effect can also be achieved; the loading object on the phenolic resin based active carbon cannot easilyfall off; the phenolic resin based active carbon can be widely applied to the purification field of families, industry, tail gas and the like.

The invention discloses a method for separating a C8 aromatic hydrocarbon isomeride mixture, which comprises the following steps of: contacting the C8 aromatic hydrocarbon isomeride mixture with an adsorbent which is an anionic pillared microporous material of which the pore diameter is in the range of 5-10 microns to realize selective adsorption separation of the C8 aromatic hydrocarbon isomeridemixture, wherein the anionic pillared microporous material is a porous material formed by metal ions M, inorganic anions A and organic ligands L through coordination bonds, the general formula of theanionic pillared microporous material is [MAL2]n, and n is larger than 4 and is an integer, the metal ion M is Fe<2+>, Co<2+>, Ni<2+> or Cu<2+>, the inorganic anion A is SiF6<2->, NbOF5<2->, TaF7<2->, ZrF6<2->, TiF6<2->, GeF6<2->, SO3CF3<-> or NbF6<->, and the organic ligand L is selected from the following structure shown in the specification as shown in the description.

The invention discloses a polymer-supported dual-core acid ion liquid catalyst and preparation and application thereof. According to the polymer-supported dual-core acid ion liquid catalyst, vinylbenzyl chloride and vinyl benzene serve as polymeric monomers, divinyl benzene serve as cross-linking agent, polymers obtained through free radical polymerization serve as carriers, bis(2-chloroethyl) amine, benzimidazole, 1, 3-propane sultone and concentrated sulfuric acid or trifluoromethanesulfonic acid serve as the raw materials, and through a bonding method, effective immobilization of ionic liquid onto polymeric microspheres can be achieved. The polymer-supported dual-core acid ion liquid catalyst blends the advantages of the ionic liquid and polymers and has the advantages of being large in specific surface area, adjustable in pore structure, high in hydrophobicity, simple in preparation method, high in catalytic activity and mass transfer rate, good in selectivity, high in stability, easy to recover and separate, environmentally friendly, broad in industrialized application prospect and the like. When applied to esterification reaction of various acids and alcohols, the polymer-supported dual-core acid ion liquid catalyst can achieve good effects.

The invention belongs to the field of synthesis of environmental nanomaterials, and provides a preparation method of MXene aerogel with a spherical pore structure. The MXene aerogel with the three-dimensional spherical pore structure is constructed through a template induction method and an emulsion method, and the preparation method comprises the steps of preparation of polystyrene (PS) microspheres, preparation of a Ti3C2Tx MXene dispersion liquid, preparation of PS (at) MXene, preparation of Jauns MXene and preparation of the MXene aerogel. The process is simple and convenient to operate and simple in flow, and the prepared MXene aerogel with the spherical pore structure is light in density, rich in micropores, adjustable in pore structure and wide in application value, and can be applied to the fields of electromagnetic shielding, capacitive deionization, electro-adsorption and the like.

The invention belongs to the field of lithium ion battery diaphragm materials and discloses modified silicon dioxide and a lithium ion battery polyolefin microporous diaphragm. The diaphragm is prepared by the following method: blending modified silicon dioxide with polyolefin having high / ultrahigh molecular weight, adding common polyolefin, and pelleting so as to obtain modified masterbatch; mixing the modified masterbatch with polyolefin and then carrying out melt blending and extrusion so as to form a diaphragm with a hard elastic structure; and carrying out continuous tension on the diaphragm, and then carrying out heat shaping at the temperature of 100-150 DEG C so as to obtain the lithium ion battery polyolefin microporous diaphragm. According to the invention, the thickness of the lithium ion battery polyolefin microporous diaphragm is relatively low (less than 15mu m); the strength of the diaphragm is better (the longitudinal breaking strength is larger than 100MPa, the transversal breaking strength is about 8MPa, and breaking elongation is 50%); the porosity and pore structure of the diaphragm are adjustable (the porosity is more than 50%, and the pore diameter is 0.1-1mum); and the thermal shrinkage factor of the diaphragm is smaller (less than 5%). According to the invention, the defect and lack of the existing dry preparation technology of the lithium ion battery diaphragm are overcome.

The invention provides a hollow nitrogen-doped carbon sphere supported metal catalyst and a preparation method and application thereof.The preparation method is divided into two methods, one method is a direct synthesis method, firstly, a hard template is prepared, dopamine hydrochloride serves as a nitrogen source and a carbon source to be polymerized on the surface of the hard template, after a metal source is added, the metal source is attached to the template, and the hollow nitrogen-doped carbon sphere supported metal catalyst is obtained; and roasting to finally form the nitrogen-doped hollow carbon sphere loaded metal nano-catalyst. According to the post-synthesis method, dopamine hydrochloride is added into a prepared hard template to serve as a nitrogen source and a carbon source, the nitrogen source and the carbon source are polymerized and roasted on the hard template to form nitrogen-doped hollow carbon spheres, and a metal source is added on the basis of the nitrogen-doped hollow carbon spheres, so that the metal source is loaded on the nitrogen-doped hollow carbon spheres. According to the two methods, nitrogen-doped hollow carbon spheres are prepared on the basis of taking polystyrene as a hard template, and the nitrogen-doped hollow carbon spheres are taken as a frame structure.

The invention discloses a separation method of isomerized oil. The isomerized oil contains C5-C8 low-octane-number alkane and high-octane-number alkane. The low-octane-number alkane comprises at leastone of n-alkane and single-branched-chain alkane, and the high-octane-number alkane comprises multi-branched-chain alkane; according to the separation method, a fluorine-containing anionic hybrid porous material with a flexible function is used as a separation adsorbent, and the separation adsorbent is in contact with the isomerized oil to realize selective adsorption separation of the low-octanealkane and the high-octane alkane; the structural general formula of the fluorine-containing anion hybrid porous material is M-L1-A or M-L2-A, and M is a metal ion and is selected from Cu < 2 + >, Zn< 2 + >, Co < 2 + > or Ni < 2 + >, wherein A is an inorganic fluorine-containing anion and is selected from SnF6 < 2->, ZrF6 < 2->, GeF6 < 2->, SiF6 < 2-> or TiF6 < 2->; L1 is an organic ligand 1, 2-dipyridyl acetylene; and L2 is an organic ligand 4, 4 '-dipyridyl.

The invention relates to a method for preparing mesoporous carbon with narrow pore size distribution, which comprises the following steps of: simultaneously placing phenol, formaldehyde, sodium hydroxide, ionic liquid and water into three flasks; stirring for 3 to 5 hours at a temperature of 30 to 50 DEG C; then heating to the temperature of 75 DEG C to 90 DEG C and stirring for 1 to 3 hours at a constant temperature; naturally cooling, filtering and drying to obtain phenolic resin polymer containing the ionic liquid; after heating the phenolic resin polymer containing the ionic liquid, which is used as a carbon precursor, to the temperature of 600 to 1,000 DEG C in a carbonization furnace at a heating rate of 0.5 to 5 DEG C per minute, keeping the constant temperature for 0.5 to 3 hours; and then naturally cooling to obtain the mesoporous carbon, wherein the molar ratio of the phenol, the formaldehyde, the sodium hydroxide, the ionic liquid and the water is 1:(2 to 7):0.1:(0.02 to 0.1):55.6. The method has the advantages that the method has simple process route and few process steps, is environmental-friendly and is beneficial to industrial popularization.

The invention relates to a porous membrane for a liquid flow battery and its preparation and application. The porous membrane is composed of one or more organic polymer resins and one or two organic or inorganic components degradable in electrolyte The above is prepared from raw materials; the content of degradable components is 5-40wt% of the mass of the organic polymer resin; and it is prepared under constant temperature and humidity conditions during the preparation process. This type of membrane has a multi-level porous structure, which can effectively realize the separation of ions in different valence states and maintain the ion permeation selectivity of the ion membrane of the membrane. This type of composite membrane has simple process, environmentally friendly process, controllable pore structure, low cost and easy mass production.

The invention provides a cobalt-based mesoporous material Co-TUD-1 catalyst and a preparation method and application thereof, belonging to the technical field of composite materials. The cobalt-basedmesoporous material Co-TUD-1 catalyst comprises TUD-1 and cobalt cations loaded on the pore wall of the TUD-1. The cobalt-based mesoporous material Co-TUD-1 catalyst has a cobalt-silicon molar ratio of 8-80%. The cobalt-based mesoporous material Co-TUD-1 catalyst has high specific surface area, adjustable pore structure and high catalytic efficiency when used for catalyzing magnesium sulfite oxidation. The results show that the cobalt-based mesoporous material Co-TUD-1 catalyst has a sponge-like mesoporous structure, has a specific surface area of 400-1000m<2> / g and a pore diameter of 2.5-25 nm, and can reach a catalytic rate of 0.1015 mmol / L / s when being used for catalyzing the magnesium sulfite oxidation.

The present invention relates to a bifunctional catalyst of a sodium-free aluminosilicate acidic molecular sieve encapsulating metal nanoparticles and a preparation method thereof. The bifunctional catalyst is added with a metal precursor during the in-situ synthesis process of a sodium-free aluminosilicate acidic molecular sieve. Utilize the "one-step method" to realize the encapsulation of metal nanoparticles by sodium-free silica-alumina acidic molecular sieve, and obtain a dual-functional catalyst with both metal hydrogenation / dehydrogenation function and molecular sieve acid catalytic function; the metal content in the dual-functional catalyst is 0.1-10wt %, the distribution of metal nanoparticles is uniform, the particle size is uniform, and the size is 1-10nm.

The invention discloses a preparation method of a biomass charcoal-based supercapacitor electrode material, and relates to a preparation method of an electrode material. According to the method, biomass composite porous carbon is used as a capacitor electrode material, a biomass material is used as a carbon source, and porous carbon is prepared through carbonization and activation; and the biomass composite porous carbon electrode material with a controllable structure is prepared through modification and carbonization of micromolecular sugar. The biomass co-carbonization composite porous carbon material has the advantages of controllable pore structure, narrow pore size distribution, obviously improved pore specific surface area, stable electrical property and the like. The prepared biomass composite carbon-based activated carbon has rich and adjustable pore structures, shows excellent electrochemical performance, has good charge-discharge performance, cycling stability and capacity retention rate when being used as a capacitor electrode material, and has wide application value in the aspects of commercial supercapacitors and the like.

The invention discloses a polymer-supported dual-core acid ion liquid catalyst and preparation and application thereof. According to the polymer-supported dual-core acid ion liquid catalyst, vinylbenzyl chloride and vinyl benzene serve as polymeric monomers, divinyl benzene serve as cross-linking agent, polymers obtained through free radical polymerization serve as carriers, bis(2-chloroethyl) amine, benzimidazole, 1, 3-propane sultone and concentrated sulfuric acid or trifluoromethanesulfonic acid serve as the raw materials, and through a bonding method, effective immobilization of ionic liquid onto polymeric microspheres can be achieved. The polymer-supported dual-core acid ion liquid catalyst blends the advantages of the ionic liquid and polymers and has the advantages of being large in specific surface area, adjustable in pore structure, high in hydrophobicity, simple in preparation method, high in catalytic activity and mass transfer rate, good in selectivity, high in stability, easy to recover and separate, environmentally friendly, broad in industrialized application prospect and the like. When applied to esterification reaction of various acids and alcohols, the polymer-supported dual-core acid ion liquid catalyst can achieve good effects.

The object of the present invention is to provide a supported iron-nickel phosphide catalyst material, preparation method and application thereof, characterized in that: the catalyst active component is a multi-component alloy composed of Fe, Ni and P elements doped with each other compound, the catalyst support is made of TiO 2 A composite oxide support composed of a second type of component, wherein the second type of component is SiO 2 、Al 2 o 3 , ZrO 2 , CeO 2 , La 2 o 3 One or more, TiO 2 The weight percentage of the composite carrier is 5.0-95wt%, the loading amount of the catalyst active component Fe is 0.5-80wt%, the loading amount of the metal active component Ni is 0.05-30wt%, and the loading amount of the non-metallic additive P is 0.5-15wt%. The catalyst has good reactivity, stability and selectivity, and can be applied to the reaction of catalyzing the degradation of aromatic compounds from biomass oil, and can also be applied to the addition of compounds containing aromatic C-O bonds or alkyl C-O bonds. Hydrogen deoxygenation reaction.

The invention discloses a xenon-krypton separation method. A fluorine-containing anion hybridized ultramicropore material with a flexible function is adopted to selectively adsorb xenon in a mixed xenon-krypton gas, and then separation of xenon from krypton is achieved; and the fluorine-containing anion hybridized ultramicropore material with the flexible function has a structural formula of M-(C12H8N2)-AF6 or M-(C10H8N2S2)-AF6, in the formula, C12H8N2 is an organic ligand 1,2-bipyridine acetylene, C10H8N2S2 is an organic ligand 4,4'-dipyridinyl disulfide, M is a metal ion, and AF6 is inorganic fluorine-containing anion. Compared with a common adsorbent, the fluorine-containing anion hybridized ultramicropore material with the flexible function, which is disclosed by the invention, has theadvantages of being adjustable in pore structure, adjustable in action with adsorbate molecules, and meanwhile has a high adsorption capacity and high selectivity.

The invention discloses a method for preferentially adsorbing and separating ethylbenzene from a C8 aromatic hydrocarbon isomeride mixture, which comprises the following steps: by taking a microporous material synthesized from a carboxylic acid ligand and metal ions as an adsorbent, carrying out contact adsorption on the C8 aromatic hydrocarbon isomeride mixture containing ethylbenzene and the adsorbent, selective adsorption separation of ethylbenzene from a C8 aromatic hydrocarbon isomeride mixture is realized; the microporous material synthesized by carboxylic acid ligands and metal ions is a porous material formed by metal ions M and carboxylic acid organic ligands through coordinate bonds, and the general formula is [M3L6] n, 1 is an integer, and L represents HCOO-; the metal ion M is at least one of Co < 2 + >, Ni < 2 + > and Mg < 2 + >; and the carboxylic acid organic ligand is HCOOH.

The invention discloses a method for separating hexane isomers, which comprises contacting the mixture of hexane isomers with an adsorbent for adsorption separation; the general structural formula of the metal organic framework material is M 3 [T(CN) 6 ] 2 , M selected from Zn 2+ or Ni 2+ , T selected from Co 3+ , Fe 3+ and Ir 3+ one or more of. The metal frame material used in the method of the invention has good separation effect, simple material preparation process, low cost, good regeneration and repeatability, and has broad industrial application prospects.

The invention belongs to the technical field of activated adsorption materials and preparation methods thereof and in particular relates to asphalt-based mesoporous spherical activated carbon and a preparation method thereof. The invention mainly solves the technical problems such as complex preparation method, low production efficiency, high energy consumption and instable product quality existing in the conventional spherical activated carbon. With the adoption of the technical scheme, the invention discloses asphalt-based mesoporous spherical activated carbon and a preparation method thereof, wherein the diameter of the activated carbon is 0.1-0.6mm, the strength is 90-95 percent, the specific surface area is 600-1500m<2> / g, the ash content is less than 1000ppm, the mesoporous rate is 50-85 percent, and the average particle size is 2-3.5nm. The invention has the advantages of simple preparation method, high production efficiency, low energy consumption and stable product quality.

The invention discloses a Daramic composite ion-conducting membrane applied in a liquid flow battery, and is specially designed to include the application of this type of membrane in a zinc-bromine flow battery. This type of membrane is prepared by coating a porous polymer coating on the surface of a commercial Daramic membrane. The Daramic composite ion-conducting membrane of the present invention has high stability and low cost; the ion selectivity and ion conductivity of the Daramic composite ion-conducting membrane can be regulated and controlled by adjusting the pore structure and thickness of the porous polymer coating; the prepared Daramic composite ion-conducting membrane The membrane has the advantages of high mechanical strength, good chemical stability, high efficiency, and low cost; in addition, the preparation process of the Daramic composite ion-conducting membrane is simple and controllable, and is suitable for large-scale production; A range of options for conductive membrane materials.

The invention discloses a silicon dioxide hybridization material and the manufacture method. It is made from the following steps: omega-bittern sulphonyl full florin acyl peroxide taking reaction with poly diphenyl dimethoxy silicane, hydrolyzing, solgelizing, acidifying. The material has strong acidity, large surface area, high thermal stability, and is easy to be compounded.

The invention discloses a composite molecular sieve carbon film based on a phenolic resin-based carbon tube as a support body and a preparation method thereof. The composite molecular sieve carbon membrane comprises a carbon tube support body and a carbon membrane separation layer, the carbon membrane separation layer is attached to the outer surface or the inner surface of the carbon tube support body, the carbon tube support body is of a carbon-containing porous tubular structure, the average pore diameter is 0.05-0.5 micron, the porosity is 20-80%, the average pore diameter of the carbon membrane separation layer is smaller than 10nm, and the porosity is 20-40%. And the carbon tube support body and the carbon membrane separation layer are both made of a carbon material. As a carbon tube support body precursor and a separation layer precursor are jointly subjected to curing and carbonization treatment to obtain the support body and the separation layer which are both made of carbon materials, the problem that the membrane performance is reduced due to a two-phase gap in a composite carbon membrane in the prior art is solved, the preparation process is simple, the process parameters are controllable, the preparation cost is saved by about 50%, and the permeation flux of the membrane performance is improved by more than 20%.

The invention belongs to the field of composite material synthesis, and relates to preparation of a multi-stage core-shell structure material, in particular to a multi-stage core-shell structure lithium extraction material and a preparation method thereof. The multi-stage core-shell structure lithium extraction material provided by the invention is of a multi-stage structure and has an overall spherical morphology, the outer surface of the material is covered by a layer of nanosheets and is honeycomb-shaped, the nanosheets are perpendicular to a spherical surface, TiO2 microspheres are adopted as a core, H2TiO3 is adopted as a middle layer, and a manganese ion sieve of a spinel structure is adopted as a shell. The invention further discloses a method for preparing the multi-stage core-shell structure lithium extraction material. The method comprises steps of hydrothermal reaction, solid-phase reaction and elution treatment. The multi-stage core-shell structure lithium extraction material has a relatively large specific surface area and an adjustable porous structure, the pore structure is diversified, abrasion and consumption of an adsorption material in brine are avoided, the problem of solution loss is prevented, and the problem that a nano lithium extraction material is difficult to separate and recycle is effectively solved. The preparation method provided by the invention has the advantages of being simple in process, good in environmental friendliness, low in cost and the like.

The invention discloses a method for separating isomer mixtures of C8 aromatic hydrocarbons. An anionic pillared microporous material with a large pore size is used as an adsorbent, and the mixture of C8 aromatic hydrocarbon isomers is contacted with the adsorbent to realize carbon Selective adsorption and separation of octaaromatic isomer mixtures; the anionic pillared microporous material is a porous material formed by a metal ion M, an inorganic anion A and an organic ligand L through a coordination bond, and the general formula is [MAL 2 ] n , wherein n>4 and is an integer; the metal ion M is Fe 2+ 、Co 2+ 、Ni 2+ or Cu 2+ ; The inorganic anion A is SiF 6 2‑ , NbOF 5 2‑ , TaF 7 2‑ , ZrF 6 2‑ 、TiF 6 2‑ 、GeF 6 2‑ , SO 3 CF 3 ‑ or NbF 6 ‑ ; The organic ligand L is selected from the following structures:

The invention discloses a method for separating isomerized oil. The isomerized oil contains C5-C8 low-octane alkanes and high-octane alkanes. The low-octane alkanes include normal alkanes, At least one of branched alkanes, the high-octane alkanes include multi-branched alkanes; the separation method is to use the fluorine-containing anion hybrid porous material with flexible function as the separation adsorbent, and the separation adsorbent Contact with the isomerized oil to realize the selective adsorption and separation of the low-octane alkanes and high-octane alkanes; the general structural formula of the fluorine-containing anion hybrid porous material is M‑L1‑A or M ‑L2‑A, wherein: M is a metal ion selected from Cu 2+ , Zn 2+ 、Co 2+ or Ni 2+ ; A is an inorganic fluorine-containing anion selected from SnF 6 2‑ , ZrF 6 2‑ 、GeF 6 2‑ 、SiF 6 2‑ or TiF 6 2‑ ; L1 is an organic ligand 1,2-dipyridylacetylene; L2 is an organic ligand 4,4'-bipyridine.