CN107854999B - A kind of catalysis fibre material and preparation method for air cleaning - Google Patents

A kind of catalysis fibre material and preparation method for air cleaning Download PDF

Info

Publication number
CN107854999B
CN107854999B CN201711178200.6A CN201711178200A CN107854999B CN 107854999 B CN107854999 B CN 107854999B CN 201711178200 A CN201711178200 A CN 201711178200A CN 107854999 B CN107854999 B CN 107854999B
Authority
CN
China
Prior art keywords
titanium dioxide
cobalt oxide
colloidal sol
fibre
catalysis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201711178200.6A
Other languages
Chinese (zh)
Other versions
CN107854999A (en
Inventor
陈庆
曾军堂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hongshun Synthetic Fiber Technology Co ltd
Original Assignee
JIANGSU HONGSHUN SYNTHETIC FIBER Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU HONGSHUN SYNTHETIC FIBER Co Ltd filed Critical JIANGSU HONGSHUN SYNTHETIC FIBER Co Ltd
Priority to CN201711178200.6A priority Critical patent/CN107854999B/en
Publication of CN107854999A publication Critical patent/CN107854999A/en
Application granted granted Critical
Publication of CN107854999B publication Critical patent/CN107854999B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8668Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74Iron group metals
    • B01J23/755Nickel
    • B01J35/33
    • B01J35/58
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/34Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B01J37/348Electrochemical processes, e.g. electrochemical deposition or anodisation
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00General methods for the manufacture of artificial filaments or the like
    • D01F1/02Addition of substances to the spinning solution or to the melt
    • D01F1/10Other agents for modifying properties
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F11/00Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/02Chemical after-treatment of artificial filaments or the like during manufacture of cellulose, cellulose derivatives, or proteins
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708Volatile organic compounds V.O.C.'s

Abstract

The present invention relates to material for air purification fields, and in particular to catalysis fibre material and preparation method for air cleaning.A kind of catalysis fibre material for air cleaning of the invention is prepared by the following method: (1) preparing titanium dioxide-cobalt oxide colloidal sol;(2) by titanium dioxide-cobalt oxide colloidal sol and the compound first break draft of cellulose gel, spinning obtains composite fibre;(3) composite fibre carries out air drying;(4) composite fibre immersion nickel source is electroplated, is formed using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode.Using the catalysis fibre material for air cleaning of the invention, anode and cathode form micro cell system, generate micro-current, by the absorption of cellulose fibre by organic matter fast degradation.The catalytic degradation material carries out catalytic degradation to harmful organic substance under no light condition, and reaction rate is faster with respect to photocatalyst.

Description

A kind of catalysis fibre material and preparation method for air cleaning
Technical field
The present invention relates to material for air purification fields, and in particular to for the catalysis fibre material of air cleaning and preparation side Method.
Background technique
Air pollution source mainly has formaldehyde, benzene, ether-ether class, the volatile organic matters such as trichloro ethylene, acrylonitrile;Existing air Purification medium material mainly has: efficient material of photochemical catalyst, active carbon, synthetic fibers, HEAP etc..Conventional purification style at present For activated carbon adsorption, but since adsorbance is limited, it is difficult to eradicating pests.Degradation is to solve the preferable skill of air organic pollution Art means.And it is existing main using catalytic degradation, due to by catalysis material and environmental restrictions, current catalytic degradation material efficiency It is not high.Often take TiO2 as photocatalyst in the market, the generation of this kind of material catalytic degradation effect needs 12 hours or more, and It need to just can guarantee that degradation is normally carried out under the conditions of ultraviolet light.Therefore, developing efficient catalytic degradation material is to realize that air is net The critical bottleneck of change.
A kind of microporous medium catalysis oxidation, which is disclosed, application No. is the patent application of CN201610699772.8 prepares air The method and material for air purification of scavenging material.Using microporous medium matrix, oxidant, catalyst and pH color developing agent as raw material, warp S1. centrifugal dipping load, the load of S2. steam pressure, S3. be dry and the processing of S4. surface staining and etc. prepare material for air purification. Preparation method supported catalyst oxidant on microporous medium wall surface and micro channel in a manner of centrifugal dipping, loading speed is fast, Loading level is deep;It is loaded by steam pressure, under saturation vapour pressure and interior energy, loading level can be aggravated, while steam pressure load can Optimize microporous medium structure, through hole improves, and is conducive to the promotion of its purifying property;After surface staining processing, what when purification generated Acidic materials can make scavenging material surface discolouration, to obtain the experience sense of detergent power and effect;Air provided by the invention is net Changing material has many advantages, such as that purification is thorough, quick, lasting.Its preparation process is complicated and cannot reuse, higher operating costs.
Application No. is 201710038229.8 patent applications to disclose the preparation method and sky of a kind of material for air purification Gas scavenging material, embodiment mixing zinc acetate and gallium nitrate obtain compounding substances, and addition solvent is formed molten in compounding substances Be gelled gluey presoma, and collosol and gel shape presoma is sintered, porous prilled gallic acid zinc precursor is formed, by porous Granular gallic acid zinc precursor carries out nitrogen treatment, forms nitride porous gallium zinc oxide solid solution.Thus it solves traditional light to urge The utilization efficiency of agent solar energy is not high, and smaller with the contact surface area of organic pollutant, the light degradation effect of organic pollutant The problem of fruit difference, the nitride porous gallium zinc oxide solid solution synthesized by the method for collosol and gel, may be implemented to visible light Response, improves the utilization efficiency of solar energy, while porous structure increases the contact surface area with organic pollutant, improves light The utilization efficiency of catalyst increases the light degradation effect of organic pollutant.However its preparation process is complicated, it is organic by increasing The contact surface area of pollutant and catalyst, although efficiency is promoted, but still not high.
Disclosing a kind of material for air purification application No. is 201210458120.7 patent application includes following composition portion Point, 100-200 parts of active carbon, 20-50 parts of nano zircite, 30-50 parts of titanium dioxide, 10-15 parts of epoxy resin, high rare earth 20-50 parts.The content of the nano zircite is 25-30 parts.The partial size of the nano zircite is 20-50 nanometers.The present invention Material for air purification be it is a kind of there are the multiple functions such as the moisture absorption, deodorization, sterilizing, especially by addition nano material, There is the nano composite material for air cleaning of permanent photocatalytic sterilization effect under the action of natural light, is various places sky The new material of gas purification and sterilization disinfection.It has the function of that absorption, photocatalysis poisonous and harmful substance are decomposed and sterilized, however its Light-catalysed efficiency is still very low, can not meet demand.
Application No. is 201610263737.1 patent applications to disclose one kind except formaldehyde air cleaning new material, including Basis material, surfactant, macromolecule organic amine class compound and rare-earth metal catalyst;Described matrix material is cation Exchange fiber, the surfactant are fatty alcohol polyoxyethylene ether, and the macromolecule organic amine class compound is triethylene four Amine, the rare-earth metal catalyst are the mixture of metal erbium and metallic ytterbium;The weight of each ingredient in the air cleaning new material The ratio between part are as follows: 80~120 parts of basis material, 4~6 parts of surfactant, 20~30 parts of macromolecule organic amine class compound, rare earth 2~4 parts of metallic catalyst, wherein the weight ratio of metal erbium and metallic ytterbium is 1~3:1 in rare-earth metal catalyst.This hair The air cleaning new material with function of removing formaldehyde of bright offer has excellent formaldehyde removing effect, and clearance rate is high, and right The adsorption capacity of formaldehyde is big.Its absorption and removal only for formaldehyde.
Summary of the invention
For disadvantages described above, the first purpose of the invention is to provide a kind of catalysis fibre material for air cleaning, The cellulosic material can adsorb formaldehyde, benzene, ether-ether class in air, the volatile harmfuls organic matter such as trichloro ethylene, acrylonitrile, and Quickly catalytic organism is degraded, the reaction rate of catalysis harmful organic substance degradation is faster with respect to photocatalyst.
In order to solve the above technical problems, a kind of catalysis fibre material for air cleaning of the invention is made by the following method It is standby to obtain: (1) to prepare titanium dioxide-cobalt oxide colloidal sol;(2) by titanium dioxide-cobalt oxide colloidal sol and cellulose gel it is compound after Drawing-off, spinning obtain composite fibre;(3) composite fibre carries out air drying;(4) composite fibre immersion nickel source is electroplated, It is formed using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode.
The preparation of the titanium dioxide-cobalt oxide colloidal sol can be molten using nano-titanium dioxide and nanometer cobalt oxide is mixed Solution, then be prepared using conventional colloidal sol preparation method, the nano-titanium dioxide and nanometer cobalt oxide can use commercially available Nano-titanium dioxide and nanometer cobalt oxide, can also synthesize, wherein sulfuric acid process, hydrochloric acid method, chlorine can be used in nano-titanium dioxide The methods of change method and liquid phase method etc. are prepared.
Cobalt oxide (Co203) it is a kind of important transition metal oxide, it is the high oxide of cobalt, theoretical amount containing cobalt is 71.06%, oxygen content 28.94%, density 6.079g/cm3.It is a kind of black amorphous powder, and when heating can generate four Co 3 O (Co304).Cobalt oxide is a kind of unstable, it is also not possible in the compound of free state.Usually signified cobalt oxide Actually still contain a certain number of cobaltosic oxides.Co203Just stablize when being only in hydrated state, and this hyrate is 265 It can be dehydrated at DEG C and be transformed into intermidate oxide cobaltosic oxide (Co304)。
Titanium dioxide (TiO2) it is white solid or powdered amphoteric oxide, it is decomposed and is extracted with acid by rutile, or It decomposes to obtain by titanium tetrachloride, generally divides Detitanium-ore-type (abbreviation A type) and rutile-type (abbreviation R type), can be employed as the present invention Raw material.Titanium dioxide property is stablized, surface super hydrophilic.
The drawing-off is conventional drafting method, in spinning that fiber assembly (such as strip, rove) is regular Ground leads length and attenuates, and is the process that combing is further loosened and gathered later.Bulk fiber Raw material processing at fibrous layer or strip, then As rove, spun yarn, it is necessary to by the process that gradually attenuates, so the almost main machine or work of every kind of spinning in the prior art Sequence has drawing-off effect.
It is uniformly mixed in order to be prepared, granular superfine, stable titanium dioxide-cobalt oxide colloidal sol, by a large amount of real The following preferred technical solution of existing use, obtained titanium dioxide-cobalt oxide Stability of Sols are issued after examination and approval, and is uniformly mixed, particle Ultra-fine: titanium dioxide-cobalt oxide colloidal sol method is prepared described in step (1) includes:
A. by TiO(OH)2After white precipitate washing removes the impurity such as sulfate radical, the sodium ion of solvable fluidity, addition 2~ 4mol/L hydrochloric acid solution obtains transparent colourless titanium dioxide aqueous solution in the above-mentioned 40~60min of solution of 60 DEG C or more water-baths; The titanium dioxide aqueous solution is taken, cationic surfactant, which is added, makes colloidal sol be converted to hydrophobicity condensate;It adds Organic solvent, acutely oscillation is rinsed, and is transferred to colloidal particle in organic phase, up to transparent organosol after being separated from water;It will extraction Organosol after taking separation, lower than organic solvent boiling point at a temperature of, after reflux removes absorption water, then be evaporated under reduced pressure removing Organic solvent is heat-treated to get colourless titanium dioxide ultra-micro powder at 200~220 DEG C;
B. surfactant is added in acetic acid cobalt liquor and is uniformly mixed, add sodium hydroxide solution, it is small to stand 1~2 When, obtain cobalt oxide colloidal sol;
C. the titanium dioxide ultra-micro powder that a step is prepared is dissolved in the cobalt oxide colloidal sol that b step is prepared, Up to titanium dioxide-cobalt oxide colloidal sol.
Titanium dioxide in titanium dioxide as described in step (1)-cobalt oxide colloidal sol as a preferred technical solution: oxidation The mass ratio of cobalt is 8~15:4~10.
The mass ratio of step (2) cellulose and titanium dioxide is 50~100:2~5 as a preferred technical solution,.
Step (4) nickel source is NiSO as a preferred technical solution,4Or NiCl2.Nickel sulfate have anhydride nickel sulfate, Nickel sulfate hexahydrate NiSO4·6H2O) He Qishui nickel sulfate NiSO4·7H2O) three kinds.Commercially available nickel sulfate is mostly six water objects, there is α- Two kinds of variants of type and β-type, the former is the crystallization of blue four directions, and the latter is green monoclinic crystal, is used equally for nickel source of the invention. The hydrate heating of nickel sulfate loses the crystallization water.It is soluble easily in water, it is slightly soluble in ethyl alcohol, methanol, aqueous solution is slightly soluble in acidity Acid, ammonium hydroxide are toxic.It is mainly used for electroplating industry, is the main nickel salt of electronickelling and chemical nickel and coming for metallic nickel ions Source can dissociate nickel ion and sulfate ion in the plating process.Anhydrous Nickel Chloride is yellow, but it is in nature very It is rare, only it can be found that and more familiar to people is six green hydration dichlorides in the ore as water chlorine nickel stone Nickel (NiCl2·6H2O).Nickel Chloride is green there are also a series of known hydrates, may be used as nickel of the invention Source, generally, Nickel Chloride are that most important important nickel source, raw material are easy to get in chemical industry synthesis.
A second object of the present invention is to provide a kind of above-mentioned preparation method of the catalysis fibre material for air cleaning, To solve second technical problem of the invention, a kind of preparation method of catalysis fibre material for air cleaning of the invention Include the following steps: that (1) prepares titanium dioxide-cobalt oxide colloidal sol;(2) by titanium dioxide-cobalt oxide colloidal sol and cellulose gel Compound first break draft, spinning obtain composite fibre;(3) composite fibre carries out air drying;(4) by composite fibre immerse nickel source into Row plating, forms using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode.
Preparing titanium dioxide-cobalt oxide colloidal sol method described in step (1) as a preferred technical solution, includes:
A. by TiO(OH)2After white precipitate washing removes the impurity such as sulfate radical, the sodium ion of solvable fluidity, addition 2~ 4mol/L hydrochloric acid solution obtains transparent colourless titanium dioxide aqueous solution in the above-mentioned 40~60min of solution of 60 DEG C or more water-baths; The titanium dioxide aqueous solution is taken, cationic surfactant, which is added, makes colloidal sol be converted to hydrophobicity condensate;It adds Organic solvent, acutely oscillation is rinsed, and is transferred to colloidal particle in organic phase, up to transparent organosol after being separated from water;It will extraction Organosol after taking separation, lower than organic solvent boiling point at a temperature of, after reflux removes absorption water, then be evaporated under reduced pressure removing Organic solvent is heat-treated to get colourless titanium dioxide ultra-micro powder at 200~220 DEG C;
B. surfactant is added in acetic acid cobalt liquor and is uniformly mixed, add sodium hydroxide solution, it is small to stand 1~2 When, obtain cobalt oxide colloidal sol;
C. the titanium dioxide ultra-micro powder that a step is prepared is dissolved in the cobalt oxide colloidal sol that b step is prepared, Up to titanium dioxide-cobalt oxide colloidal sol.
Titanium dioxide in titanium dioxide as described in step (1)-cobalt oxide colloidal sol as a preferred technical solution: oxidation The mass ratio of cobalt is 8~15:4~10.
The mass ratio of step (2) cellulose and titanium dioxide is 50~100:2~5 as a preferred technical solution,.
Step (4) nickel source is NiSO as a preferred technical solution,4Or NiCl2
Using technical solution of the present invention, first prepare titanium dioxide-cobalt oxide colloidal sol, with cellulose gel it is compound after lead It stretches, spinning obtains composite fibre;Composite fibre carries out air drying;Then composite fibre is immersed into nickel source (such as NiSO4Or NiCl2) be electroplated, it is formed using cellulose fibre as skeleton, titanium dioxide-cobalt oxide is anode, nickel coating is urging for cathode Chemical fibre dimension.Compared with prior art, significant advantage is that anode and cathode form micro cell system, generates micro-current, passes through fiber The absorption of cellulose fiber is by organic matter fast degradation.The catalytic degradation material carries out catalysis drop to harmful organic substance under no light condition Solution, and reaction rate is faster with respect to photocatalyst.
The titanium dioxide that the present invention is prepared-cobalt oxide colloidal sol transparency is good, and stability is high, good product dispersibility, thoroughly The high organic solvent of lightness is recyclable to be recycled, no coupling product, and product purity is high.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
(1) prepare titanium dioxide-cobalt oxide colloidal sol: a. is by 650gTiO(OH)2White precipitate washing removes solvable fluidity After the impurity such as sulfate radical, sodium ion, the hydrochloric acid of 2mol/L is added, in the above-mentioned solution 40min of 60 DEG C or more water-baths, obtains transparent Colourless titanium dioxide aqueous solution;The titanium dioxide aqueous solution being prepared is taken, two fourth of cationic surfactant sebacic acid is added Ester 20g makes colloidal sol be converted to hydrophobicity condensate;Toluene organic solvent 1L is added, acutely oscillation is rinsed, and makes colloid grains Son is transferred in organic phase, up to transparent organosol after being separated from water;By the organosol after extraction and separation, lower than organic molten 80 DEG C at a temperature of agent boiling point, after reflux removes absorption water, then it is evaporated under reduced pressure removing organic solvent, is heat-treated at 200 DEG C, Up to colourless titanium dioxide ultra-micro powder;B. acetic acid cobalt content is added in surfactant sebum dibutyl phthalate 15g is 620g's It is uniformly mixed in acetic acid cobalt liquor, adds the sodium hydroxide solution for the 1mol/L that 300ml concentration is, stood 1 hour, obtain oxygen Change cobalt colloidal sol;C. it is molten that the titanium dioxide ultra-micro powder 450g for taking a step to be prepared is dissolved in the cobalt oxide that b step is prepared To get titanium dioxide-cobalt oxide colloidal sol in glue.(2) by titanium dioxide-cobalt oxide colloidal sol and 5Kg cellulose gel it is compound after lead It stretches, spinning obtains composite fibre.(3) composite fibre carries out air drying.(4) composite fibre is immersed into NiCl2Solution carries out electricity Plating is formed using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode.
PM10 particle, content of formaldehyde in the air inside and outside newly-decorated office are measured, see Table 1 for details for measurement result.It will system It is standby obtain using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode is packed into new The air-conditioning air inlet in the house of finishing, its clean-up effect is measured after 2 hours, and see Table 1 for details.
Embodiment 2
(1) prepare titanium dioxide-cobalt oxide colloidal sol: a. is by 650gTiO(OH)2White precipitate washing removes solvable fluidity After the impurity such as sulfate radical, sodium ion, the hydrochloric acid of 2.5mol/L is added, in the above-mentioned solution 45min of 60 DEG C or more water-baths, obtains transparent Colourless titanium dioxide aqueous solution;The titanium dioxide aqueous solution being prepared is taken, cationic surfactant sebacic acid two is added Butyl ester 20g makes colloidal sol be converted to hydrophobicity condensate;Toluene organic solvent 1L is added, acutely oscillation is rinsed, and makes colloid Particle is transferred in organic phase, up to transparent organosol after being separated from water;By the organosol after extraction and separation, lower than organic 80 DEG C at a temperature of solvent boiling point, after reflux removes absorption water, then it is evaporated under reduced pressure removing organic solvent, carries out hot place at 210 DEG C Reason is to get colourless titanium dioxide ultra-micro powder;B. it is by surfactant sebum dibutyl phthalate 15g addition acetic acid cobalt content It is uniformly mixed in the acetic acid cobalt liquor of 620g, adds the sodium hydroxide solution for the 1mol/L that 300ml concentration is, it is small to stand 1.5 When, obtain cobalt oxide colloidal sol;C. the titanium dioxide ultra-micro powder 450g for taking a step to be prepared is dissolved in b step and is prepared Cobalt oxide colloidal sol in get titanium dioxide-cobalt oxide colloidal sol.(2) by titanium dioxide-cobalt oxide colloidal sol and 5Kg cellulose gel The compound first break draft of glue, spinning obtain composite fibre.(3) composite fibre carries out air drying.(4) composite fibre is immersed into NiSO4 Solution is electroplated, and is formed using cellulose fibre as skeleton, the catalysis that titanium dioxide-cobalt oxide is anode, nickel coating is cathode Fiber.
PM10 particle, content of formaldehyde in the air inside and outside newly-decorated office are measured, see Table 1 for details for measurement result.It will system It is standby obtain using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode is packed into new The air-conditioning air inlet in the house of finishing, its clean-up effect is measured after 2 hours, and see Table 1 for details.
Embodiment 3
(1) prepare titanium dioxide-cobalt oxide colloidal sol: a. is by 650gTiO(OH)2White precipitate washing removes solvable fluidity After the impurity such as sulfate radical, sodium ion, the hydrochloric acid of 2mol/L is added, in the above-mentioned solution 50min of 60 DEG C or more water-baths, obtains transparent Colourless titanium dioxide aqueous solution;The titanium dioxide aqueous solution being prepared is taken, two fourth of cationic surfactant sebacic acid is added Ester 20g makes colloidal sol be converted to hydrophobicity condensate;Toluene organic solvent 1L is added, acutely oscillation is rinsed, and makes colloid grains Son is transferred in organic phase, up to transparent organosol after being separated from water;By the organosol after extraction and separation, lower than organic molten 80 DEG C at a temperature of agent boiling point, after reflux removes absorption water, then it is evaporated under reduced pressure removing organic solvent, is heat-treated at 220 DEG C, Up to colourless titanium dioxide ultra-micro powder;B. acetic acid cobalt content is added in surfactant sebum dibutyl phthalate 15g is 620g's It is uniformly mixed in acetic acid cobalt liquor, adds the sodium hydroxide solution for the 1mol/L that 300ml concentration is, stood 2 hours, obtain oxygen Change cobalt colloidal sol;C. it is molten that the titanium dioxide ultra-micro powder 450g for taking a step to be prepared is dissolved in the cobalt oxide that b step is prepared To get titanium dioxide-cobalt oxide colloidal sol in glue.(2) by titanium dioxide-cobalt oxide colloidal sol and 5Kg cellulose gel it is compound after lead It stretches, spinning obtains composite fibre.(3) composite fibre carries out air drying.(4) composite fibre is immersed into NiCl2Solution carries out electricity Plating is formed using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode.
PM10 particle, content of formaldehyde in the air inside and outside newly-decorated office are measured, see Table 1 for details for measurement result.It will system It is standby obtain using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode is packed into new The air-conditioning air inlet in the house of finishing, its clean-up effect is measured after 2 hours, and see Table 1 for details.
Embodiment 4
(1) prepare titanium dioxide-cobalt oxide colloidal sol: a. is by 750gTiO(OH)2White precipitate washing removes solvable fluidity After the impurity such as sulfate radical, sodium ion, the hydrochloric acid of 3mol/L is added, in the above-mentioned solution 45min of 60 DEG C or more water-baths, obtains transparent Colourless titanium dioxide aqueous solution;The titanium dioxide aqueous solution being prepared is taken, two fourth of cationic surfactant sebacic acid is added Ester 20g makes colloidal sol be converted to hydrophobicity condensate;Toluene organic solvent 1.5L is added, acutely oscillation is rinsed, and makes colloid Particle is transferred in organic phase, up to transparent organosol after being separated from water;By the organosol after extraction and separation, lower than organic 80 DEG C at a temperature of solvent boiling point, after reflux removes absorption water, then it is evaporated under reduced pressure removing organic solvent, carries out hot place at 220 DEG C Reason is to get colourless titanium dioxide ultra-micro powder;B. it is by surfactant sebum dibutyl phthalate 15g addition acetic acid cobalt content It is uniformly mixed in the acetic acid cobalt liquor of 620g, adds the sodium hydroxide solution for the 1mol/L that 300ml concentration is, it is small to stand 1.5 When, obtain cobalt oxide colloidal sol;C. the titanium dioxide ultra-micro powder 600g for taking a step to be prepared is dissolved in b step and is prepared Cobalt oxide colloidal sol in get titanium dioxide-cobalt oxide colloidal sol.(2) by titanium dioxide-cobalt oxide colloidal sol and 5Kg cellulose gel The compound first break draft of glue, spinning obtain composite fibre.(3) composite fibre carries out air drying.(4) composite fibre is immersed into NiSO4 Solution is electroplated, and is formed using cellulose fibre as skeleton, the catalysis that titanium dioxide-cobalt oxide is anode, nickel coating is cathode Fiber.
PM10 particle, content of formaldehyde in the air inside and outside newly-decorated office are measured, see Table 1 for details for measurement result.It will system It is standby obtain using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode is packed into new The air-conditioning air inlet in the house of finishing, its clean-up effect is measured after 2 hours, and see Table 1 for details.
Embodiment 5
(1) prepare titanium dioxide-cobalt oxide colloidal sol: a. is by 650gTiO(OH)2White precipitate washing removes solvable fluidity After the impurity such as sulfate radical, sodium ion, the hydrochloric acid of 2mol/L is added, in the above-mentioned solution 60min of 60 DEG C or more water-baths, obtains transparent Colourless titanium dioxide aqueous solution;The titanium dioxide aqueous solution being prepared is taken, two fourth of cationic surfactant sebacic acid is added Ester 20g makes colloidal sol be converted to hydrophobicity condensate;Toluene organic solvent 1L is added, acutely oscillation is rinsed, and makes colloid grains Son is transferred in organic phase, up to transparent organosol after being separated from water;By the organosol after extraction and separation, lower than organic molten 80 DEG C at a temperature of agent boiling point, after reflux removes absorption water, then it is evaporated under reduced pressure removing organic solvent, is heat-treated at 200 DEG C, Up to colourless titanium dioxide ultra-micro powder;B. acetic acid cobalt content is added in surfactant sebum dibutyl phthalate 15g is 620g's It is uniformly mixed in acetic acid cobalt liquor, adds the sodium hydroxide solution for the 1mol/L that 300ml concentration is, stood 1 hour, obtain oxygen Change cobalt colloidal sol;C. it is molten that the titanium dioxide ultra-micro powder 450g for taking a step to be prepared is dissolved in the cobalt oxide that b step is prepared To get titanium dioxide-cobalt oxide colloidal sol in glue.(2) by titanium dioxide-cobalt oxide colloidal sol and 5Kg cellulose gel it is compound after lead It stretches, spinning obtains composite fibre.(3) composite fibre carries out air drying.(4) composite fibre is immersed into NiCl2Solution carries out electricity Plating is formed using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode.
PM10 particle, content of formaldehyde in the air inside and outside newly-decorated office are measured, see Table 1 for details for measurement result.It will system It is standby obtain using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode is packed into new The air-conditioning air inlet in the house of finishing, its clean-up effect is measured after 2 hours, and see Table 1 for details.
Embodiment 6
(1) prepare titanium dioxide-cobalt oxide colloidal sol: a. is by 940gTiO(OH)2White precipitate washing removes solvable fluidity After the impurity such as sulfate radical, sodium ion, the hydrochloric acid of 2mol/L is added, in the above-mentioned solution 40min of 60 DEG C or more water-baths, obtains transparent Colourless titanium dioxide aqueous solution;The titanium dioxide aqueous solution being prepared is taken, two fourth of cationic surfactant sebacic acid is added Ester 20g makes colloidal sol be converted to hydrophobicity condensate;Toluene organic solvent 1.5L is added, acutely oscillation is rinsed, and makes colloid Particle is transferred in organic phase, up to transparent organosol after being separated from water;By the organosol after extraction and separation, lower than organic 80 DEG C at a temperature of solvent boiling point, after reflux removes absorption water, then it is evaporated under reduced pressure removing organic solvent, carries out hot place at 210 DEG C Reason is to get colourless titanium dioxide ultra-micro powder;B. it is by surfactant sebum dibutyl phthalate 15g addition acetic acid cobalt content It is uniformly mixed in the acetic acid cobalt liquor of 620g, adds the sodium hydroxide solution for the 1mol/L that 300ml concentration is, stand 2 hours, Obtain cobalt oxide colloidal sol;C. the titanium dioxide ultra-micro powder 750g for taking a step to be prepared is dissolved in the oxygen that b step is prepared Change in cobalt colloidal sol to get titanium dioxide-cobalt oxide colloidal sol.(2) titanium dioxide-cobalt oxide colloidal sol is answered with 5Kg cellulose gel First break draft is closed, spinning obtains composite fibre.(3) composite fibre carries out air drying.(4) composite fibre is immersed into NiSO4Solution It is electroplated, is formed using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode.
PM10 particle, content of formaldehyde in the air inside and outside newly-decorated office are measured, see Table 1 for details for measurement result.It will system It is standby obtain using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode is packed into new The air-conditioning air inlet in the house of finishing, its clean-up effect is measured after 2 hours, and see Table 1 for details.
Comparative example 1
(1) prepare titanium dioxide-cobalt oxide colloidal sol: a. is by 100gTiO(OH)2White precipitate washing removes solvable fluidity After the impurity such as sulfate radical, sodium ion, the hydrochloric acid of 2mol/L is added, in the above-mentioned solution 40min of 60 DEG C or more water-baths, obtains transparent Colourless titanium dioxide aqueous solution;The titanium dioxide aqueous solution being prepared is taken, two fourth of cationic surfactant sebacic acid is added Ester 20g makes colloidal sol be converted to hydrophobicity condensate;Toluene organic solvent 1L is added, acutely oscillation is rinsed, and makes colloid grains Son is transferred in organic phase, up to transparent organosol after being separated from water;By the organosol after extraction and separation, lower than organic molten 80 DEG C at a temperature of agent boiling point, after reflux removes absorption water, then it is evaporated under reduced pressure removing organic solvent, is heat-treated at 210 DEG C, Up to colourless titanium dioxide ultra-micro powder;B. acetic acid cobalt content is added in surfactant sebum dibutyl phthalate 15g is 620g's It is uniformly mixed in acetic acid cobalt liquor, adds the sodium hydroxide solution for the 1mol/L that 300ml concentration is, stood 2 hours, obtain oxygen Change cobalt colloidal sol;C. it is molten that the titanium dioxide ultra-micro powder 50g for taking a step to be prepared is dissolved in the cobalt oxide that b step is prepared To get titanium dioxide-cobalt oxide colloidal sol in glue.(2) by titanium dioxide-cobalt oxide colloidal sol and 5Kg cellulose gel it is compound after lead It stretches, spinning obtains composite fibre.(3) composite fibre carries out air drying.(4) composite fibre is immersed into NiSO4Solution carries out electricity Plating is formed using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode.
PM10 particle, content of formaldehyde in the air inside and outside newly-decorated office are measured, see Table 1 for details for measurement result.It will system It is standby obtain using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode is packed into new The air-conditioning air inlet in the house of finishing, its clean-up effect is measured after 2 hours, and see Table 1 for details.
Comparative example 2
(1) prepare titanium dioxide-cobalt oxide colloidal sol: a. is by 940gTiO(OH)2White precipitate washing removes solvable fluidity After the impurity such as sulfate radical, sodium ion, the hydrochloric acid of 2mol/L is added, in the above-mentioned solution 40min of 60 DEG C or more water-baths, obtains transparent Colourless titanium dioxide aqueous solution;The titanium dioxide aqueous solution being prepared is taken, two fourth of cationic surfactant sebacic acid is added Ester 20g makes colloidal sol be converted to hydrophobicity condensate;Toluene organic solvent 1.5L is added, acutely oscillation is rinsed, and makes colloid Particle is transferred in organic phase, up to transparent organosol after being separated from water;By the organosol after extraction and separation, lower than organic 80 DEG C at a temperature of solvent boiling point, after reflux removes absorption water, then it is evaporated under reduced pressure removing organic solvent, carries out hot place at 210 DEG C Reason is to get colourless titanium dioxide ultra-micro powder;B. acetic acid cobalt content is added in surfactant sebum dibutyl phthalate 15g is 40g Acetic acid cobalt liquor in be uniformly mixed, add the sodium hydroxide solution for the 1mol/L that 300ml concentration is, stand 2 hours, obtain Cobalt oxide colloidal sol;C. the titanium dioxide ultra-micro powder 750g for taking a step to be prepared is dissolved in the cobalt oxide that b step is prepared To get titanium dioxide-cobalt oxide colloidal sol in colloidal sol.(2) by titanium dioxide-cobalt oxide colloidal sol and 5Kg cellulose gel it is compound after Drawing-off, spinning obtain composite fibre.(3) composite fibre carries out air drying.(4) composite fibre is immersed into NiSO4Solution carries out Plating is formed using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode.
PM10 particle, content of formaldehyde in the air inside and outside newly-decorated office are measured, see Table 1 for details for measurement result.It will system It is standby obtain using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide-cobalt oxide is anode, nickel coating is cathode is packed into new The air-conditioning air inlet in the house of finishing, its clean-up effect is measured after 2 hours, and see Table 1 for details.
Comparative example 3
(1) it prepares cobalt oxide colloidal sol: surfactant being added in the acetic acid cobalt liquor that acetic acid cobalt content is 620g and is mixed Uniformly, sodium hydroxide solution is added, 2 hours is stood, obtains cobalt oxide colloidal sol.(2) by cobalt oxide colloidal sol and 5Kg cellulose gel The compound first break draft of glue, spinning obtain composite fibre.(3) composite fibre carries out air drying.(4) composite fibre is immersed into NiSO4 Solution is electroplated, and is formed using cellulose fibre as skeleton, the catalysis fibre that cobalt oxide is anode, nickel coating is cathode.
PM10 particle, content of formaldehyde in the air inside and outside newly-decorated office are measured, see Table 1 for details for measurement result.It will system It is standby obtain using cellulose fibre as skeleton, the catalysis fibre that cobalt oxide is anode, nickel coating is cathode is packed into newly-decorated room The air-conditioning air inlet of son, its clean-up effect is measured after 2 hours, and see Table 1 for details.
Comparative example 4
(1) prepare TiO 2 sol: a. is by 940gTiO(OH)2The sulfate radical of the solvable fluidity of white precipitate washing removing, After the impurity such as sodium ion, the hydrochloric acid of 2mol/L is added, in the above-mentioned solution 40min of 60 DEG C or more water-baths, obtains transparent colourless two Titanium oxide aqueous solution;The titanium dioxide aqueous solution being prepared is taken, cationic surfactant sebum dibutyl phthalate 20g is added Colloidal sol is set to be converted to hydrophobicity condensate;Toluene organic solvent 1.5L is added, acutely oscillation is rinsed, and turns colloidal particle Enter in organic phase, up to transparent organosol after being separated from water;By the organosol after extraction and separation, boiled lower than organic solvent 80 DEG C at a temperature of point, after reflux removes absorption water, then be evaporated under reduced pressure removing organic solvent, be heat-treated at 210 DEG C to get Colourless titanium dioxide ultra-micro powder;B., surfactant sebum dibutyl phthalate 15g is added to the hydroxide of the 1mol/L of 300ml Sodium solution stands 2 hours;C. the titanium dioxide ultra-micro powder 750g for taking a step to be prepared is dissolved in the solution of b step, Up to TiO 2 sol.(2) by TiO 2 sol and the compound first break draft of 5Kg cellulose gel, spinning obtains compound fibre Dimension.(3) composite fibre carries out air drying.(4) composite fibre is immersed into NiSO4Solution is electroplated, and is formed with cellulose fiber Dimension is skeleton, the catalysis fibre that titanium dioxide is anode, nickel coating is cathode.
PM10 particle, content of formaldehyde in the air inside and outside newly-decorated office are measured, see Table 1 for details for measurement result.It will system It is standby obtain using cellulose fibre as skeleton, the catalysis fibre that titanium dioxide is anode, nickel coating is cathode is packed into newly-decorated The air-conditioning air inlet in house, its clean-up effect is measured after 2 hours, and see Table 1 for details.
1 embodiment of table and comparative example indoor air purification effect

Claims (4)

1. a kind of preparation method of the catalysis fibre material for air cleaning, which is characterized in that described for air cleaning Catalysis fibre material is prepared by the following method: (1) preparing titanium dioxide-cobalt oxide colloidal sol;(2) by titanium dioxide-oxidation Cobalt colloidal sol and the compound first break draft of cellulose gel, spinning obtain composite fibre;(3) composite fibre carries out air drying;(4) will Composite fibre immerses nickel source and is electroplated, and is formed using cellulose fibre as skeleton, and titanium dioxide-cobalt oxide is anode, nickel coating For the catalysis fibre of cathode, the nickel source is NiSO4Or NiCl2
Titanium dioxide-cobalt oxide colloidal sol method is prepared described in step (1) includes:
A. by TiO(OH)2After white precipitate washing removes the sulfate radical of solvable fluidity, sodium ion impurity, 2~4mol/L salt is added Acid solution obtains transparent colourless titanium dioxide aqueous solution in the above-mentioned 40~60min of solution of 60 DEG C or more water-baths;Take described two Titanium oxide aqueous solution, cationic surfactant, which is added, makes colloidal sol be converted to hydrophobicity condensate;Organic solvent is added, Acutely oscillation is rinsed, and is transferred to colloidal particle in organic phase, up to transparent organosol after being separated from water;After extraction and separation Organosol, lower than organic solvent boiling point at a temperature of, after reflux removes absorption water, then be evaporated under reduced pressure removing organic solvent, It is heat-treated at 200~220 DEG C to get colourless titanium dioxide ultra-micro powder;
B. surfactant is added in acetic acid cobalt liquor and is uniformly mixed, add sodium hydroxide solution, stood 1~2 hour, obtain To cobalt oxide colloidal sol;
C. by the titanium dioxide ultra-micro powder that a step is prepared be dissolved in the cobalt oxide colloidal sol that b step is prepared to get Titanium dioxide-cobalt oxide colloidal sol.
2. a kind of preparation method of catalysis fibre material for air cleaning according to claim 1, which is characterized in that Titanium dioxide in titanium dioxide as described in step (1)-cobalt oxide colloidal sol: the mass ratio of cobalt oxide is 8~15:4~10.
3. a kind of preparation method of catalysis fibre material for air cleaning according to claim 1, which is characterized in that The mass ratio of step (2) cellulose and titanium dioxide is 50~100:2~5.
4. a kind of catalysis fibre material for air cleaning, which is characterized in that the catalysis fibre material is by claim 1-3 Any one preparation method is prepared.
CN201711178200.6A 2017-11-23 2017-11-23 A kind of catalysis fibre material and preparation method for air cleaning Expired - Fee Related CN107854999B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711178200.6A CN107854999B (en) 2017-11-23 2017-11-23 A kind of catalysis fibre material and preparation method for air cleaning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711178200.6A CN107854999B (en) 2017-11-23 2017-11-23 A kind of catalysis fibre material and preparation method for air cleaning

Publications (2)

Publication Number Publication Date
CN107854999A CN107854999A (en) 2018-03-30
CN107854999B true CN107854999B (en) 2019-06-11

Family

ID=61702350

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711178200.6A Expired - Fee Related CN107854999B (en) 2017-11-23 2017-11-23 A kind of catalysis fibre material and preparation method for air cleaning

Country Status (1)

Country Link
CN (1) CN107854999B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1389932A (en) * 2002-04-27 2003-01-08 江汉石油钻头股份有限公司 Composite titanium-base film photoelectrode and its making process
CN1600424A (en) * 2003-09-22 2005-03-30 中国科学院化学研究所 Photocatalyst responding to visible light, and preparation method and application
CN101187646A (en) * 2007-11-23 2008-05-28 东华大学 Granule electrode possessing photoelectric catalytic function and its uses
CN106732808A (en) * 2016-11-25 2017-05-31 江苏爱西施科技服务咨询股份有限公司 A kind of fibroin albumen/TiO2The preparation method of composite catalyst

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1198682C (en) * 2002-07-19 2005-04-27 中国科学院山西煤炭化学研究所 Co/TiO2 catalyst for Fischer-Tropsch synthesis of heavy hydrocarbon and its prepn
JP4048266B2 (en) * 2003-01-29 2008-02-20 株式会社ゼンワールド Article surface coating method and article surface coating agent of photocatalyst composition
CN105483849B (en) * 2016-01-18 2017-07-07 恒天海龙(潍坊)新材料有限责任公司 Preparation method of photocatalyst regenerated cellulose fiber
CN106000371A (en) * 2016-05-18 2016-10-12 昆明理工大学 Preparation method of photocatalytic material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1389932A (en) * 2002-04-27 2003-01-08 江汉石油钻头股份有限公司 Composite titanium-base film photoelectrode and its making process
CN1600424A (en) * 2003-09-22 2005-03-30 中国科学院化学研究所 Photocatalyst responding to visible light, and preparation method and application
CN101187646A (en) * 2007-11-23 2008-05-28 东华大学 Granule electrode possessing photoelectric catalytic function and its uses
CN106732808A (en) * 2016-11-25 2017-05-31 江苏爱西施科技服务咨询股份有限公司 A kind of fibroin albumen/TiO2The preparation method of composite catalyst

Also Published As

Publication number Publication date
CN107854999A (en) 2018-03-30

Similar Documents

Publication Publication Date Title
Najafpour et al. Nano-sized manganese oxides as biomimetic catalysts for water oxidation in artificial photosynthesis: a review
CN108554412B (en) Preparation method and application of large-size high-porosity Fe-doped photocatalytic magnetic porous microspheres
CN104707542B (en) A kind of photochemical catalyst/SiO2aerogel composite and preparation method thereof
CN109821528A (en) A kind of nano heterogeneous material of Bi/ZnO and the preparation method and application thereof
CN101890326B (en) Method for preparing TiO2/SiO2 composite microspheres
CN107376851A (en) A kind of preparation method and applications of partial vulcanization metal organic frame composite
CN104307519B (en) Gold supported strontium titanate catalyst for directly preparing hydrogen from formaldehyde aqueous solution and preparation method of gold supported strontium titanate catalyst for directly preparing hydrogen from formaldehyde aqueous solution
CN105887332A (en) Preparation method of nitrogen-doped flexible TiO2-SiO2 nanofiber membrane with visible light catalytic function
CN106492772A (en) A kind of titanium dioxide nanoplate and the preparation method of diatomite composite photocatalytic agent
CN103240073A (en) Zn<2+>-doped BiVO4 visible-light-driven photocatalyst and preparation method thereof
CN110787790A (en) Sea urchin-shaped metal oxide porous photocatalytic material and preparation method and application thereof
CN107583671A (en) A kind of nuclear-shell structured nano-composite material and preparation method thereof
CN105728058B (en) A kind of preparation method of numb load nano-titanium dioxide photocatalysis agent
CN107159192A (en) A kind of noble metal/TiO2Multilevel hierarchy of mixed crystal nanometer rods assembling and preparation method thereof
CN105271418A (en) Preparation method of mesoporous hollow spherical titanium dioxide/tungsten trioxide composite material
Yang et al. Synthesis of Fe3O4/Pr-BiOCl/Luffa composites with enhanced visible light photoactivity for organic dyes degradation
CN106362768B (en) A kind of honeycomb ceramic plate loads TiO2The preparation technology of the immobilized photochemical catalysts of-NCP
CN103787408B (en) A kind of preparation method of trifluoro oxygen titanium acid ammonium
CN107854999B (en) A kind of catalysis fibre material and preparation method for air cleaning
CN106582726A (en) Bi4o5Br2 hollow sphere and preparation method using micro-emulsion as template
CN108654632A (en) A kind of Bi for degrading microcystic toxins2WO6/Fe3O4The preparation method of photochemical catalyst
CN105413728B (en) A kind of and compound titanium dioxide hollow microballoon of carbon nitrogen and preparation method thereof
CN104689813B (en) A kind of WxTiO2+3x/SiO2Aeroge composite photo-catalyst and preparation method
CN109294553B (en) Titanium dioxide doped rare earth complex composite material and preparation method thereof
CN104437457A (en) Preparation method of full-spectrum sunlight catalyst

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20190520

Address after: 226600 Chemical Fiber Industry Characteristic Park of Duntou Town, Haian County, Nantong City, Jiangsu Province

Applicant after: JIANGSU HONGSHUN SYNTHETIC FIBER TECHNOLOGY CO.,LTD.

Address before: 610091 Donghai Road, Jiao long industrial port, Qingyang District, Chengdu, Sichuan 4

Applicant before: CHENDU NEW KELI CHEMICAL SCIENCE Co.,Ltd. CHINA

GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190611

Termination date: 20211123