135 results about "Rutile" patented technology

The invention belongs to the technical field of architectural coating and particularly relates to an elastic thermal insulating coating. The elastic thermal insulating coating comprises the following components by weight percent: 40-50% of film forming agent, 10-20% of titanium dioxide, 4-10% of hollow glass bead, 5-7.5% of filler, 3-6% of dispersing agent, 1-3% of wetting agent, 1.6-4.0% of coalescing agent, 0.1-0.2% of cellulose, 0.1-0.5% of thickening agent, 0.2-0.5% of antifoaming agent and the balance of water. According to the technical scheme, all the materials are environment-friendly, and excellent thermal insulating effect and weather resistance are achieved due to the adoption of the hollow glass bead and rutile-type nanometer titanium dioxide. The hollow glass bead coating has a broad market space.

The invention belongs to the field of plastic product production, and particularly relates to a composite material for preparing a textile dyeing tube. The composite material mainly comprises the following components in parts by weight: 10 parts of PET resin, 10 parts of ASA resin, 1-6 parts of matt master batches, 1-3 parts of titanium dioxide, 1-2 parts of rosin, 0-1.5 parts of an antioxidant, 0-1 part of a fire retardant and 1-2 parts of a lubricating agent, wherein titanium dioxide is rutile titanium dioxide. Compared with the prior art, the components are good in compatibility; the molded product has excellent physical and mechanical properties, low glossiness, high strength (caused by titanium dioxide) and good tenacity, and is suitable for injection molding of plastic products; the metallic luster caused by titanium dioxide can be reduced; the noise can be reduced; titanium dioxide can be used for disinfecting under irradiation of an ultraviolet lamp; the composite material is very convenient; and the lubricating agent is added, so that the surface is relatively smooth.

The invention discloses a radiation refrigeration coating with high refractive index contrast, and belongs to the technical field of radiation refrigeration coatings. The radiation refrigeration coating with high refractive index contrast comprises the following raw materials: hollow microspheres, a high refractive index pigment, a film-forming substance, a solvent and an auxiliary agent. The coating process of the radiation refrigeration coating film comprises two coating steps: firstly, coating an inner layer coating film on the surface of a base material by using the radiation refrigeration coating with rutile type titanium dioxide as a high-refractive-index pigment as a raw material; and coating the surface of the inner-layer coating film with an outer-layer coating film by using the radiation refrigeration coating with high-refractive-index pigment being zirconium dioxide and / or zirconium silicate as a raw material. According to the invention, a closed and independent bubble structure is introduced into the coating by adopting the hollow microspheres, and the preferable high-refractive-index pigment is matched, so that the refractive index difference value between adjacent components in a coating film is increased, and the sunlight reflectivity of the coating film is remarkably enhanced, thereby realizing excellent radiation refrigeration performance under strong sunlight irradiation.

The invention discloses a method for testing and correcting rutile oxygen isotope. The method comprises the following steps: carrying out stability test on a detection instrument by using a glass standard substance with a known oxygen isotope value; after the stability test passes, the detection instrument performs multi-group measurement on the crystal face of each rutile standard substance particle with the known oxygen isotope value, the measurement times and the total times in each group are the same, and a first standard deviation of each rutile standard substance particle with the known oxygen isotope value in each group is obtained; when the inter-group first standard deviation meets a first preset threshold value, a fractionation coefficient of the detection instrument is obtained through calculation; measuring the crystal face of the rutile sample with an unknown oxygen isotope value by the detection instrument, and obtaining a second average value between the groups, wherein the measurement depth is consistent with the measurement depth of the rutile standard substance particles with the known oxygen isotope value; and obtaining the oxygen isotope value of the unknown rutile sample by combining the fractionation coefficient of the detection instrument and the second average value among the groups. The method is fast, efficient and high in reliability.

The invention belongs to the technical field of coatings, and discloses a 600 DEG C heat insulation coating containing In2O3 and rutile type TiO2 aerogel and a preparation method of the 600 DEG C heat insulation coating. The coating is composed of an organic-inorganic compound adhesive, In2O3 at rutile type TiO2 aerogel, hollow glass beads, HAP ultra-long nanowires and auxiliaries, the aerogel is prepared by combining sol-gel with CO2 supercritical drying, and the aerogel is calcined at 800 DEG C to form a rutile crystal form. The compound adhesive is prepared from alkaline silica sol, modified organic silicon emulsion and a silane coupling agent through hydro-thermal synthesis. The coating is prepared by dispersing all the components at a high speed, heat conduction is inhibited by using aerogel nanopores, infrared radiation is reflected synergistically by rutile TiO2 and In2O3, and heat convection is blocked by a lock catch structure formed by hollow glass beads and HAP nanowires. The thermal conductivity of the obtained coating at 600 DEG C is as low as 0.035-0.044 W / (m.K), the coating has excellent temperature resistance, thermal shock resistance and full-wave band heat reflection capacity, and the technical problems of high-temperature phase change, structural collapse and poor thermal stability of a traditional coating are solved.

The invention relates to the field of titanium dioxide photocatalytic water decomposition, in particular to a preparation method of doped rutile titanium dioxide with selective exposure of {101} and {110} crystal faces and low defect concentration. The preparation method comprises the following steps: by taking a titanium elementary substance or a titanium-containing compound as a precursor, adding a heterogeneous metal element compound of which the valence state is lower than positive tetravalence as a morphology control agent and a defect inhibitor, fully mixing with an ionic compound serving as a molten salt medium, carrying out one-step high-temperature heat treatment in an oxidizing or reducing atmosphere, cooling, and washing off the molten salt medium, thereby obtaining the titanium-containing composite material. The rutile-doped titanium dioxide nano or micron particles with specific crystal face selective exposure and low defect concentration are obtained. According to the invention, a specific heterogeneously doped metal element compound is used as a morphology regulating agent and a defect inhibitor, so that the synergistic regulation and control of the microstructure and surface and bulk phase defects of rutile titanium dioxide are realized. Therefore, the separation efficiency of rutile titanium dioxide bulk phase photo-generated charges and the activity of photocatalytic decomposition of water to produce hydrogen are greatly improved.

The invention discloses a radiation refrigeration thermal insulation coating, which comprises a primer and a finish, the primer comprises deionized water, a pH regulator, a defoamer, hydroxypropyl methyl cellulose, a wetting agent, a dispersant, a waterborne polyurethane emulsion, aerogel, hollow glass beads, sepiolite and a film forming aid; the finish paint is prepared from deionized water, a PH regulator, a defoaming agent, hydroxypropyl methyl cellulose, a dispersing agent, silicon oxide, zirconium oxide, rutile type titanium dioxide, infrared reflection filler, a coalescing agent, a defoaming agent, far infrared ceramic powder, potassium silicate, silica sol, titanium sol, silane modified acrylic emulsion and conductive mica powder. The coating has the advantages of excellent sunlight reflectivity and infrared emissivity, low heat conductivity coefficient, excellent high temperature resistance, excellent flame retardance and excellent stain resistance.

The invention relates to the technical field of optical functional film manufacturing, in particular to a multi-layer structure of a high-light-transmittance composite brightness enhancement film and a processing method of the multi-layer structure, and the multi-layer structure sequentially comprises a surface hardening layer, a high-refractive-index composite layer, a light diffusion layer, a conductive functional layer, a microstructure layer and a bonding layer from a light incident side to a light emergent side; the surface hardening layer is composed of fluorine-containing modified polyethylene glycol terephthalate (PET), the high-refractive-index composite layer comprises a composite layer of rutile type nano titanium oxide particles and methyl phenyl silicone resin, and the light diffusion layer is a cross-linked layer formed by mixing bisphenol A type epoxy acrylate and trimethylolpropane triacrylate according to the mass ratio of 4.2: 1. The conductive functional layer is an indium tin oxide (ITO) thin film, the microstructure layer is a prism array layer formed by nickel template imprinting, the optical performance of the film is remarkably improved, and the light transmittance of the wavelength of 550 nm reaches 93.5%-93.8% through the optical matching design of the composite structure and is improved by 3-5% compared with similar products.

The invention discloses a bimorph TiO2 composite carbon material which is prepared by the following steps: by taking Ti3AlC2 as a raw material, preparing single-layer Ti3C2Ox through HF etching, compounding the single-layer Ti3C2Ox with a titanium-based metal organic framework MIL-125 through a hydrothermal reaction, and finally, oxidizing and then carbonizing to obtain the bimorph TiO2 composite carbon material, namely TiO2 / C-TiO2 for short. The basic microstructure of TiO2 / C-TiO2 is in the shape of a round cake, and the size of a single round cake is 0.5-1 [mu] m; and rutile type TiO2 and anatase type TiO2 exist in the TiO2 / C-TiO2 at the same time. The preparation method comprises the following steps: 1, preparing single-layer Ti3C2Ox; 2, preparation of Ti < 3 > C < 2 > O < x > / MIL-125; and 3, the preparation of TiO2 / C-TiO2 is carried out. When the positive electrode material is used as a lithium-sulfur battery positive electrode material, the initial discharge specific capacity is 1200-1300mA h g <-1 > under the condition that the current density is 0.2 C; and under the condition that the current density is 0.2 C, after 200 times of charge-discharge cycles, the residual specific capacity is 700-800 mA h g <-1 >, and the capacity retention ratio is 55-60%.

The invention discloses a high-entropy oxide anode with a rutile structure and a preparation method and application of the high-entropy oxide anode, and relates to the field of high-entropy materials. The chemical composition formula of the high-entropy oxide anode with the rutile structure is [MN] Ox, M is any one or two of Ru and Ir, and N is any three or four of Ta, Sn, Sb, Re, Mn, Nb and Hf; the molar ratio of each metal element to all metal elements is 20%-25%, and the molar ratio of any two metal elements is (1: 1.2)-(1.2: 1). The preparation method has the beneficial effects that the electronic structure of an Ir / Ru site can be changed through the synergistic effect of various metal elements, so that the Ir / Ru site has excellent electrocatalytic activity, the peroxidation phenomenon of the Ir / Ru site in the acidic oxygen evolution reaction (OER) process is inhibited, and a high-stability anode capable of being used in an acidic medium is expected to be obtained. The preparation method of the rutile type high-entropy oxide anode is simple, low in cost and good in effect, the anode elements are evenly distributed, the crystal structure is single, and the rutile type high-entropy oxide anode shows excellent performance in the water electrolysis oxygen evolution reaction in the acid environment.

The present invention relates to the technical field of electrochromic thin film materials, and provides a rutile-phase TiO2 nanorod / fluorine-doped anatase-phase TiO2 nanosheet composite material, a preparation method and an application thereof. The composite material of the present invention is composed of an FTO conductive glass substrate and rutile-phase TiO2 nanorods and fluorine-doped anatase-phase TiO2 nanosheets that are sequentially grown on one side of the FTO conductive glass substrate. It is prepared by hydrothermal method to induce the growth of one-dimensional single-crystal rutile-phase TiO2 nanorods on the surface of a pretreated FTO conductive glass substrate in precursor solution A, and then the solvothermal method is used to induce the in-situ epitaxial growth of anatase-phase TiO2 nanosheets on the one-dimensional single-crystal rutile-phase TiO2 nanorods in precursor solution B, and the surface of the anatase-phase TiO2 nanosheets is fluorinated with a NaF solution. The present invention can improve the cycle stability of the composite material and the electron transfer efficiency between the conductive substrate and the TiO2 nanosheets, and achieve independent and selective optical transmittance modulation of visible light and near-infrared light.

[Problem] To provide iridium oxide suitable for proton exchange membrane-type water electrolysis, the iridium oxide having high initial activity and being excellent in stability during long-term operation. [Solution] Provided is iridium oxide having a rutile structure, the iridium oxide being characterized by having: a crystallite size of 2.0 nm to 4.0 nm as calculated from a peak of a (110) plane of the rutile-structured iridium oxide determined by X-ray diffraction; and a BET specific surface area, measured by nitrogen adsorption measurement, of 70 m2 / g to 120 m2 / g.

Titanium dioxide (TiO2) forms the basis of devices for applications including sensing devices, solar cells, photo-electrochromics, and photocatalysis. Such devices exploit different phases of TiO2 within such devices and accordingly it would be beneficial to have an amorphous TiO2 precursor which allows crystalline phase spatial patterning, for the crystallization of the amorphous TiO2 precursor to be triggered at low energies, and with the crystalline phase controllable at room-temperature without necessitating complex handling whilst providing TiO2 phases that are stable over a prolonged period of time. Accordingly, there are provided processes for providing a TiO2 precursor and controlling the conversion of the TiO2 precursor from amorphous-to-anatase, amorphous-to-rutile, amorphous-to-mixture of anatase / rutile or from amorphous-to-anatase-to-rutile in a simple and efficient manner.

The application discloses TiO2-Fe2O3 ordered hierarchical structure nanorod arrays, a preparation method and application thereof, and belongs to the field of materials and environmental protection technology. A rutile TiO2 film is mixed with a precursor I, a first-time hydrothermal growth reaction obtains TiO2 primary nanorod arrays, the TiO2 primary nanorod arrays are mixed with a precursor II, a second-time hydrothermal growth reaction is carried out, drying and annealing are carried out, and the TiO2-Fe2O3 ordered hierarchical structure nanorod arrays are obtained. The precursor I is a NaCl saturated aqueous solution of TiCl3. The precursor II is a NaNO3 saturated aqueous solution of FeCl3. The TiO2-Fe2O3 ordered hierarchical structure nanorod arrays have good research potential in the application promotion in the field of actual wastewater advanced treatment and practical application prospects under sunlight.

The invention discloses a low-conductivity high-reflection glaze for a photovoltaic glass back plate of a double-glass assembly and an application method of the low-conductivity high-reflection glaze. The glaze is prepared from the following raw materials in percentage by weight: 35 to 50 percent of modified rutile, 30 to 45 percent of glass binder, 10 to 20 percent of quartz frit, 1 to 5 percent of nano zirconium silicate, 18 to 24 percent of additional varnish and 1 to 3 percent of diluent. The low-conductivity high-reflection glaze is firmly combined with ceramic or glass, good in adhesion performance and not prone to being scratched, and the formed low-conductivity high-reflection glaze can highly reflect visible light, solar infrared rays and ultraviolet rays and is resistant to chemical corrosion, good in heat stability and long in service life. The glaze provided by the invention can solve the defect of glass blackening in the anti-PID test process of the photovoltaic glass back plate of the double-glass assembly, greatly promotes the technical progress and application development of the photovoltaic double-glass assembly, and has the advantages of simple preparation method process, low cost and convenience in use, thereby having wide market prospects.

The invention discloses a full-spectrum response type aerogel photocatalyst as well as a preparation method and application thereof. The full-spectrum response type aerogel photocatalyst has a multi-heterostructure, and the multi-heterostructure comprises an in-plane heterostructure of amorphous carbon, graphite carbon and a BCN ring and a TiO2 mixed crystal phase structure of anatase type TiO2 and rutile type TiO2. The catalyst can be applied to preparation of methanol through photo-thermal catalytic reduction of CO2 in any single wave band range or combined wave band range in ultraviolet light, visible light and near-infrared light; the preparation method of the full-spectrum response type aerogel photocatalyst comprises the following steps: a) preparation of reduced TiO2 nanoparticles; b) preparation of aerogel; and c) high-temperature carbonization. The aerogel photocatalyst not only can realize full-spectrum response, but also can realize in-situ generation and regulation of oxygen vacancies in photo-thermal catalysis, so that the efficiency of reducing CO2 to prepare methanol is improved.

The present invention provides a method for the resource utilization of acidolysis waste residue of sulfuric acid process titanium dioxide, belonging to the technical field of solid waste resource utilization. The acidolysis waste residue of sulfuric acid process titanium dioxide is subjected to classification to remove the coarse particle charcoal impurities mixed in during the production process. After classification and impurity removal, the acidolysis waste residue of sulfuric acid process titanium dioxide is subjected to strong magnetic rough separation by a high-gradient magnetic separator to recover ilmenite therein, obtaining strong magnetic rough concentrate and strong magnetic rough tailings; the strong magnetic rough concentrate is further subjected to high-gradient strong magnetic cleaning to obtain titanium concentrate and strong magnetic cleaning tailings; the strong magnetic rough tailings are subjected to high-gradient strong magnetic scavenging to obtain strong magnetic scavenging concentrate and magnetic separation tailings; the strong magnetic cleaning tailings and the strong magnetic scavenging concentrate are combined as middlings and returned to the strong magnetic rough separation for re-selection; the magnetic separation tailings are pretreated by roasting and water washing to remove impurities such as organic matter and carbonaceous substances therein; the ore after roasting and water washing pretreatment for impurity removal is subjected to alkali leaching under mild conditions to obtain high-purity water glass and alkali leaching residue respectively; the high-purity water glass solution can be further adjusted by pH to obtain high-purity silica in the form of precipitation method; the alkali leaching residue is separated and purified by flotation or gravity separation to obtain rutile concentrate and silicate tailings, and the obtained silicate tailings have less impurity content and can be used as raw materials for preparing building materials such as cement. The present invention realizes the full resource high-efficiency comprehensive utilization of the acidolysis waste residue of sulfuric acid process titanium dioxide, is beneficial to avoiding waste of resources, and can produce important economic and environmental benefits.

The application discloses a low-temperature curing white glaze for photovoltaic glass and a preparation method thereof. The white glaze is prepared from an acrylic emulsion and a curing agent. The acrylic emulsion is prepared from raw materials including rutile titanium dioxide and cationic acrylic resin emulsion, and the curing agent is prepared from raw materials including silicon dioxide and siloxane resin. The rutile titanium dioxide with high refractive index is used as the main body to improve the reflectivity of the glaze. The cationic acrylic resin emulsion with high hydroxyl value and modified silicon dioxide are used. The hydroxyl groups of the siloxane can react with the hydroxyl groups in the acrylic resin and the hydroxyl groups on the surface of the glass. Meanwhile, the excess hydroxyl groups in the siloxane can condense with each other and fill the gaps in the powder accumulation, so that the compactness of the glaze is improved. The adhesion between the glaze and the glass after curing reaches 0 level. The average reflectivity of the glaze is as high as 86.83% in the wavelength range of 380-1200 nm. Meanwhile, the glaze does not have the phenomena of performance attenuation such as aging and yellowing under the irradiation of sunlight.

The present invention discloses a method for extracting information of eclogite-type rutile ore based on remote sensing images, which is characterized in that: in the area to be identified, based on the first remote sensing image, a silicon dioxide low-value abnormal sub-area and a garnet abnormal sub-area are obtained, and a titanium geochemical abnormal sub-area in the area to be identified is obtained, and the silicon dioxide low-value abnormal sub-area, the garnet abnormal sub-area, and the titanium geochemical abnormal sub-area are superimposed to obtain silicon dioxide, garnet and titanium geochemical abnormal sub-areas as the initial target area position; based on the second remote sensing image, the eclogite geological body is interpreted in the initial target area, the rutile ore body position is optimized, and the final target area is delineated. The present application is based on remote sensing image processing, gradually narrows the scope of exploration, realizes the preliminary delineation of the rutile ore area, reduces the workload of field exploration, and saves manpower, material resources and financial resources.

The invention discloses a polymer capable of simultaneously releasing far infrared rays and negative ions and a preparation method thereof. Comprising the following components in parts by weight: 0.1-45% of micromolecular pure water color paste, 40-85% of epoxy resin emulsion, 0.1-3% of propylene glycol, 2-10% of an epoxy curing agent, 0.5-5% of an imidazole dispersing aid, 0.2-12% of rutile titanium dioxide powder, 2-10% of light rare earth powder, 2-21% of a coating interface agent and 0.5-10% of special mineral powder. The prepared polymer can release far infrared rays and negative ions at the same time, the attenuation of each year is not larger than 1.2% of the average generation amount of the last year, the amount of released negative ions is 3000-6000 / cm < 3 >, and when the polymer is applied to different places and fields, metabolism of a human body can be promoted, and human health is facilitated.

The invention relates to a method for inducing optical anisotropy of a crystal material through heavy ion irradiation. According to the method, ion irradiation is carried out on an area, perpendicular to the in-plane crystal orientation, of a crystal material, so that defect aggregation and a lattice strain field are introduced into the area, and ion irradiation induces refractive index changes which are different in the in-plane direction and the out-of-plane direction in the area, so that an optical anisotropic structure is formed; ions adopted in the ion irradiation are Xe31 + ion beams. By controlling the ion dosage and utilizing the structural anisotropy of the rutile crystal, differentiated refractive index changes are successfully induced in the in-plane direction and the out-of-plane direction, strong and directional optical anisotropy is achieved, and a foundation is laid for manufacturing polarization-sensitive photonic devices.

Provided are: oxide colloidal particles which contain rutile-type titanium oxide as a main component and in which the formation of anatase-type titanium oxide is effectively suppressed; a sol containing the oxide colloidal particles; and a method for producing the oxide colloidal particles. The problem is solved by oxide colloid particles (A) comprising Ti and Sn and having an average primary particle diameter of 5-300 nm and / or a primary particle diameter of 5-300 nm in terms of both D10 and D90 in the number-based cumulative particle size distribution, wherein the numerical value of (rutile-type tin dioxide content) / (rutile-type titanium oxide content) (mass ratio) calculated by the method below is 0.3-3.5% when expressed as a percentage: (rutile-type tin dioxide content) / (rutile-type titanium oxide content) (mass ratio) = ((intensity of rutile-type tin dioxide diffraction lines in a diffraction pattern obtained by powder X-ray diffraction in a 2θ range of 20.0°-80.0°) / 9.63) / ((intensity of rutile-type titanium oxide diffraction lines in the diffraction pattern obtained by powder X-ray diffraction in the 2θ range of 20.0°-80.0°) / 3.27).

The present invention discloses a preparation method of a spherical TiO2-coated inorganic particle composite material and a light-reflective coating thereof, belonging to the technical field of composite coatings. A preparation method of a spherical TiO2-coated inorganic particle composite material comprises the following steps: preparing rutile TiO2 balls; opening a feed valve of a fluidized bed, passing an inorganic particle core material into a silo of the fluidized bed; closing the feed valve, adjusting the height of the fluidized bed, starting a bottom gas pump, adjusting the air flow velocity to a set value, so that the bed particles enter a fluidized state; adding ethanol to the spherical TiO2 to obtain a TiO2 ethanol solution, regulating the viscosity and passing it into a liquid flow bin, setting the spray pressure and spraying rate, spraying the TiO2 ethanol solution onto the surface of the inorganic particle core material, maintaining a suitable inlet and outlet temperature, stopping spraying the TiO2 ethanol solution after reaching a predetermined thickness, continuing to maintain the air flow, and completely drying the particles to obtain a spherical TiO2-coated inorganic particle composite material. The present invention is used to improve the light reflectivity of the composite material in the 400-2500nm band.

An oxygen evolution reaction catalyst is a ternary metal oxide that includes Mn and is represented by MnuSbvOw in the rutile crystal phase and MxMnyOz where M is selected from the group consisting of Ca, Ni, Sr, Zn, Mg, Ni, Ba, Co and where u / (u+v) is greater than 33%.

The disclosed and claimed methods provide a method for producing high refractive index rutile TiO2 at moderate process temperatures.

This invention discloses a color-difference-free, uniformly luminescent concrete and its preparation method. Addressing the problems of easy hydrolysis and sedimentation of luminescent powder in alkaline cement, and the significant reduction in luminescence efficiency due to physical coating, the invention uses white silicate cement, refined quartz sand, uncoated rare-earth-doped strontium aluminate luminescent powder, and rutile titanium dioxide as the base mixed raw materials. During preparation, a multi-component liquid phase containing sodium polyacrylate, sodium gluconate, sodium aluminate, strontium nitrate, polyvinyl alcohol, and sodium tetraborate is added to the slurry in a stepwise manner and stirred. This invention utilizes the interfacial adsorption and local common ion effect of sodium polyacrylate to construct a thermodynamically balanced microenvironment around the luminescent powder, preventing hydrolysis. Simultaneously, the cross-linking of polyvinyl alcohol and sodium tetraborate forms an in-situ transient rheological network to prevent luminescent powder sedimentation. As cement hydration proceeds, the gel automatically disintegrates, and titanium dioxide approaches the luminescent interface, generating light scattering to eliminate color difference. High-brightness, uniform luminescence in concrete can be achieved without physical coating.

The invention discloses a TiO2 / UIO-66 composite material catalyst for photocatalytic CO2 reduction reaction and a preparation method thereof, and relates to the technical field of photocatalysis. According to the invention, TiO2 and UIO-66 are organically fused, a TiO2 nanoparticle material with a shell-core structure is firstly prepared, and the calcining time is changed, so that crystal transformation occurs on the surfaces of anatase type TiO2 nanoparticles, thereby forming the core-shell structure TiO2 with anatase type TiO2 as a core and rutile type TiO2 as a shell. Then TiO2 and UIO-66 are compounded through an amido bond, the utilization rate of photon-generated carriers is effectively increased through a heterojunction formed between TiO2 and UIO-66, efficient separation of electron-hole pairs is achieved, and the problems that a single photocatalyst is high in photon-generated carrier recombination rate, narrow in light response range and the like are solved.

The utility model discloses a cleaning device for rutile single crystal processing. The cleaning device comprises a cleaning tank, a cleaning mechanism is arranged in the cleaning tank, an auxiliary cleaning assembly is arranged in the cleaning tank through an insertion assembly, a flushing assembly is arranged on the auxiliary cleaning assembly, a drainage pipe is arranged on the side wall of the cleaning tank, and a discharge pipe is arranged at the bottom end of the cleaning tank. The rutile cleaning device can be in full contact with rutile, thorough cleaning is ensured, cleaning dead angles are avoided, meanwhile, the rutile can be conveniently discharged and collected after cleaning is completed, residues are prevented from being left in the tank body, cleaning operation can be conveniently carried out, meanwhile, flushing can be carried out after cleaning, and the cleaning efficiency is improved. Cleaning water and impurities can be discharged in time in cooperation with a water discharging pipe, residues of the impurities and the like are avoided, and then subsequent discharging and collecting operation on the cleaned rutile is facilitated.

The invention discloses a leucite-type rutile short-process comprehensive recovery process, which comprises the following steps: crushing leucite-type rutile, carrying out first ore grinding, screening and desliming to obtain a floating material; carrying out full-size-fraction flotation on the floating materials to obtain flotation concentrate and flotation tailings; carrying out secondary ore grinding on the flotation concentrate, drying and roasting to obtain roasted concentrate, and carrying out primary strong magnetic separation to obtain rutile concentrate and a magnetic product; performing second high-intensity magnetic separation on the flotation tailings to obtain second high-intensity magnetic separation concentrate and second high-intensity magnetic separation tailings; the second strong magnetic separation concentrate is subjected to first gravity separation, garnet concentrate, first gravity separation middlings and first gravity separation tailings are obtained, and the first gravity separation middlings are returned to the second strong magnetic separation; the first gravity separation tailings and the second gravity separation concentrates are combined into rough omphacite concentrates; and the rough omphacite concentrate is subjected to third gravity separation, and omphacite concentrate, third gravity separation middlings and third gravity separation tailings are obtained. The method is suitable for the leucite type rutile ore, and efficient separation of the rutile can be achieved to obtain high-quality concentrate.

The invention relates to a method for preparing magnetic artificial rutile from acid-soluble titanium slag, which comprises the following steps: heating and converting the acid-soluble titanium slag, hematite, a reducing agent and B2O3 into liquid molten slag, blowing air into the molten slag at a heat preservation temperature after heat preservation is finished for oxidation, cooling after oxidation, embedding fine ilmenite crystal grains into rutile crystals in the cooling process, and forming the magnetic artificial rutile by using the ilmenite crystal grains. The rutile indirectly has magnetism, and finally the modified slag containing the magnetic artificial rutile is obtained; performing magnetic separation to obtain artificial rutile concentrate and tailings; and pickling to obtain the high-grade artificial rutile. The modified slag containing the magnetic artificial rutile is prepared through additive adding and high-temperature oxidation, then the magnetic artificial rutile is separated from gangue by means of magnetic separation, the artificial rutile concentrate is obtained, the process is economical and environmentally friendly, the hydrochloric acid consumption and the waste liquid output in the follow-up pickling process are remarkably reduced, and the production cost is reduced. And the TiO2 content of the product artificial rutile is greatly improved, and high value-added utilization of the acid-soluble titanium slag is realized.