CN104874343A - Preparation method for nano-titanium dioxide glass fiber composite material - Google Patents
Preparation method for nano-titanium dioxide glass fiber composite material Download PDFInfo
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- CN104874343A CN104874343A CN201510267913.4A CN201510267913A CN104874343A CN 104874343 A CN104874343 A CN 104874343A CN 201510267913 A CN201510267913 A CN 201510267913A CN 104874343 A CN104874343 A CN 104874343A
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Abstract
The invention discloses a preparation method for a nano-titanium dioxide glass fiber composite material. The preparation method comprises the following steps: (1), dissolving titanium trichloride purple crystals with distilled water to prepare a titanium trichloride aqueous solution; (2), heating the obtained solution in a reaction kettle and cooling to room temperature; (3), dropwise adding absolute ethyl alcohol, so as to obtain nano-titanium dioxide sol; (4), coating one surface of glass fiber cloth with the sol, putting the glass fiber cloth into a constant-temperature drying oven and taking the glass fiber cloth out of the constant-temperature drying oven; coating the other surface of the glass fiber cloth with the sol and repeating for one time; (5), coating the two surfaces of the glass fiber cloth with the sol, and putting the glass fiber cloth in a box type resistance furnace for reaction; (6), taking the glass fiber cloth out and putting the glass fiber cloth in the constant-temperature drying oven for standby application; (7), coating the two surfaces of the glass fiber cloth with the sol and generating nano-titanium dioxide on the glass fiber cloth. The preparation method provide by the invention has the advantages as follows: the operation is simple, the cost is low, and the nano-titanium dioxide glass fiber composite material can rapidly reduce sewage turbidity and effectively remove hardly-degradable substances in sewage.
Description
[technical field]
The present invention relates to inorganic compound technical field of material, be specifically related to a kind of preparation method of nano titanium oxide glass fiber compound material.
[background technology]
Nano titanium oxide, due to the photoelectric characteristic of its excellence, chemical resistance, high activity, the advantage such as nontoxic, plays an important role in optical, electrical, magnetic, sensor field.As a kind of catalysis material of excellence, at present, anatase and rutile are obtained for deep research in theory and practical application, most typical example is commercialization titanium dioxide, it is 71/29 mixed crystal formed by anatase and rutile in mass ratio, has the effect of extraordinary sterilization, oxidative degradation pollutant.There are some researches show that brockite has unique advantage in photo catalytic reduction specific pollutants recently, and rutile shows photocatalysis performance more better than anatase on some organic pollution of oxidation.
In numerous carrier material, the advantages such as glass fiber material has good insulating, heat resistance is strong, elastic modelling quantity is large, plastic deformation is little, mechanical strength is high, cheap and easy to get, are widely used in preparing fibre reinforced composites.The filamentary structure of its uniqueness and the performance of easily processing all become the carrier of desirable loaded optic catalyst.
The geometric growth of industrialized propelled at high velocity and the size of population, makes water pollution problems sharply worsen, and causing has been few freshwater resources aggravation shortage originally, cannot behave used.According to statistics, current water pollutant has reached kind more than 2,000, is mainly organic matter, carbide, heavy metal, pathogenic microorganisms etc.Haihe River of northern China, Huaihe River and Liaohe River blackout foul, and almost become super blowdown ditch, and southern Taihu Lake, Chaohu and Dian Chi are owing to having received a large amount of organic pollution, cause serious eutrophication, often lose use value because of alga eruption.At present, 70% ~ 80% of contaminant water is directly discharged, and the annual blowdown flow rate in the whole nation is about 20-300 hundred million tons, and the disposal ability of China's sewage only accounts for about 20%.Water pollution problems still in aggravation, from Zhi Liuxiang master stream, from city to rural area, from earth's surface to underground, spread development from land to ocean.Usually the waste water control method adopted has physical treatment method, chemical treatment method and bioremediation.
At present, the preparation method of the high nano titanium oxide glass fiber compound material of a kind of sewage removal efficiency is lacked.
[summary of the invention]
The object of the present invention is to provide the preparation method of the nano titanium oxide glass fiber compound material that a kind of sewage removal efficiency is high.
To achieve these goals, the present invention is achieved through the following technical solutions: the preparation method of a kind of nano titanium oxide glass fiber compound material of the present invention, comprises the steps:
(1) dissolve purple titanium trichloride crystalline solid with distilled water, making mass percent concentration is stir 20-30min after the titanium trichloride aqueous solution of 2.5-5%;
(2) gained solution being heated in a kettle. temperature is react 50h at 70-100 DEG C to stir, and is cooled to room temperature;
(3) in above-mentioned solution, drip absolute ethyl alcohol, absolute ethyl alcohol and water quality are than being 1.6:20, obtained nano titanic oxide sol;
(4) coating colloidal sol in the one side of glass fabric, puts into the thermostatic drying chamber of 60 DEG C, takes out after 20min; Then apply another side, dry 20min, then repeat once;
(5) coating colloidal sol on the two sides of glass fabric, then puts into chamber type electric resistance furnace reaction 1 hour;
(6) take out glass fabric, first use absolute ethanol washing 3 times, then wash 3 times with water; The thermostatic drying chamber putting into 60 DEG C is for subsequent use;
(7) coating colloidal sol on the two sides of glass fabric, dry 20min; Then the chamber type electric resistance furnace putting into 300-400 DEG C reacts 1 hour, and glass fibre generates nano titanium oxide; Then use absolute ethanol washing 3 times, then wash 3 times with water, obtained nano titanium oxide glass fiber compound material.
Further, in step (3), drying or ripening are carried out to colloidal sol.
Further, in step (5), chamber type electric resistance furnace heating-up temperature is 200-300 DEG C.
Further, in step (7), chamber type electric resistance furnace heating-up temperature is 350 DEG C.
The application of nano titanium oxide glass fiber compound material of the present invention Adsorption of Heavy Metal Ions in sewage disposal.
Beneficial effect: method of the present invention is simple, sewage removal efficiency is high, non-secondary pollution, can be used for the removal of deleterious cations and oxo-anions in water, be not subject to the impact of external environment and water quality factors, cost is low, easy and simple to handle, nano titanium oxide glass fiber compound material prepared by the present invention can reduce turbidity of sewage fast, effectively removes the harmful substance in sewage.
[accompanying drawing explanation]
Fig. 1 is the scanning electron microscope sem figure of nano titanium oxide glass fiber compound material prepared by the present invention;
Fig. 2 is the design sketch using nano titanium oxide glass fiber compound material of the present invention to carry out using rear regeneration.
[detailed description of the invention]
Further specific descriptions will be done with specific embodiment to the present invention in conjunction with the drawings below, but can not be interpreted as it is limiting the scope of the present invention.
Embodiment 1
As depicted in figs. 1 and 2, the preparation method of a kind of nano titanium oxide glass fiber compound material of the present invention, comprises the steps:
(1) dissolve purple titanium trichloride crystalline solid with distilled water, making mass percent concentration is stir 20min after the titanium trichloride aqueous solution of 2.5%; Dissolve purple titanium trichloride crystalline solid with distilled water, making mass percent concentration is stir 20min after the titanium trichloride aqueous solution of 2%;
(2) gained solution being heated in a kettle. temperature is react 50h at 70 DEG C to stir, and is cooled to room temperature;
(3) in above-mentioned solution, drip absolute ethyl alcohol, absolute ethyl alcohol and water quality are than being 1.6:20, obtained nano titanic oxide sol; Drying or ripening are carried out to colloidal sol.
(4) coating colloidal sol in the one side of glass fabric, puts into the thermostatic drying chamber of 60 DEG C, takes out after 20min; Then apply another side, dry 20min, then repeat once;
(5) coating colloidal sol on the two sides of glass fabric, then puts into chamber type electric resistance furnace reaction 1 hour; Chamber type electric resistance furnace heating-up temperature is 200 DEG C.
(6) take out glass fabric, first use absolute ethanol washing 3 times, then wash 3 times with water; The thermostatic drying chamber putting into 60 DEG C is for subsequent use;
(7) coating colloidal sol on the two sides of glass fabric, dry 20min; Then the chamber type electric resistance furnace putting into 300 DEG C reacts 1 hour, and glass fibre generates nano titanium oxide; Then use absolute ethanol washing 3 times, then wash 3 times with water, obtained nano titanium oxide glass fiber compound material.
The application of nano titanium oxide glass fiber compound material of the present invention Adsorption of Heavy Metal Ions in sewage disposal.
Method of the present invention is simple, remove sewage efficiency high, non-secondary pollution, can be used for the removal of deleterious cations and oxo-anions in water, be not subject to the impact of external environment and water quality factors, cost is low, easy and simple to handle, nano titanium oxide glass fiber compound material prepared by the present invention can reduce turbidity of sewage fast, effectively removes the harmful substance in sewage.
Embodiment 2
Embodiment 2 is with the difference of embodiment 1: the preparation method of a kind of nano titanium oxide glass fiber compound material of the present invention, comprises the steps:
In step (1), dissolve purple titanium trichloride crystalline solid with distilled water, making mass percent concentration is stir 25min after the titanium trichloride aqueous solution of 3%; Dissolve purple titanium trichloride crystalline solid with distilled water, making mass percent concentration is stir 26min after the titanium trichloride aqueous solution of 2-2.5%;
In step (2), gained solution being heated in a kettle. temperature is react 50h at 90 DEG C to stir, and is cooled to room temperature;
In step (5), chamber type electric resistance furnace heating-up temperature is 250 DEG C.
In step (6), take out glass fabric, first use absolute ethanol washing 3 times, then wash 3 times with water; The thermostatic drying chamber putting into 60 DEG C is for subsequent use;
In step (7), coating colloidal sol on the two sides of glass fabric, dry 20min; Then the chamber type electric resistance furnace putting into 360 DEG C reacts 1 hour, and glass fibre generates nano titanium oxide; Obtained nano titanium oxide glass fiber compound material.
Embodiment 3
Embodiment 3 and embodiment 1 are distinguished and are: the preparation method of a kind of nano titanium oxide glass fiber compound material of the present invention, comprises the steps:
In step (1), dissolve purple titanium trichloride crystalline solid with distilled water, making mass percent concentration is stir 30min after the titanium trichloride aqueous solution of 5%; Dissolve purple titanium trichloride crystalline solid with distilled water, making mass percent concentration is stir 30min after the titanium trichloride aqueous solution of 2-2.5%;
In step (2), gained solution being heated in a kettle. temperature is react 50h at 100 DEG C to stir, and is cooled to room temperature;
In step (5), chamber type electric resistance furnace heating-up temperature is 300 DEG C.
In step (7), the chamber type electric resistance furnace then putting into 400 DEG C reacts 1 hour, and glass fibre generates nano titanium oxide;
Test 1
As shown in Figure 2, by nano titanium oxide glass fiber compound material obtained in embodiment 1 to embodiment 3, the aqueous solution of 0.284mol/lCr ion is prepared in test, namely Cr ion concentration is 60mg/l, the nano titanium oxide glass fiber compound material adopting above scheme to obtain adds in the Cr deionized water solution of preparation, and Cr ion remaval rate reaches 92%.
Can prove according to above test, sewage removal efficiency of the present invention is high, can adsorb the heavy-metal pollution things such as the aqueous solution of Cr ion efficiently, and can carry out quick separating by external magnetic field manipulation.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and application claims protection domain is defined by appending claims, description and equivalent thereof.
Claims (5)
1. a preparation method for nano titanium oxide glass fiber compound material, is characterized in that comprising the steps:
(1) dissolve purple titanium trichloride crystalline solid with distilled water, making mass percent concentration is stir 20-30min after the titanium trichloride aqueous solution of 2.5-5%;
(2) gained solution being heated in a kettle. temperature is react 50h at 70-100 DEG C to stir, and is cooled to room temperature;
(3) in above-mentioned solution, drip absolute ethyl alcohol, absolute ethyl alcohol and water quality are than being 1.6:20, obtained nano titanic oxide sol;
(4) coating colloidal sol in the one side of glass fabric, puts into the thermostatic drying chamber of 60 DEG C, takes out after 20min; Then apply another side, dry 20min, then repeat once;
(5) coating colloidal sol on the two sides of glass fabric, then puts into chamber type electric resistance furnace reaction 1 hour;
(6) take out glass fabric, first use absolute ethanol washing 3 times, then wash 3 times with water; The thermostatic drying chamber putting into 60 DEG C is for subsequent use;
(7) coating colloidal sol on the two sides of glass fabric, dry 20min; Then the chamber type electric resistance furnace putting into 300-400 DEG C reacts 1 hour, and glass fibre generates nano titanium oxide; Then use absolute ethanol washing 3 times, then wash 3 times with water, obtained nano titanium oxide glass fiber compound material.
2. the method for the nano titanium oxide glass fiber compound material as requested described in 1, is characterized in that: in step (3), carry out drying or ripening to colloidal sol.
3. the method for nano titanium oxide glass fiber compound material according to claim 1 and 2, is characterized in that: in step (5), and chamber type electric resistance furnace heating-up temperature is 200-300 DEG C.
4. the method for nano titanium oxide glass fiber compound material according to claim 1, is characterized in that: in step (7), and chamber type electric resistance furnace heating-up temperature is 350 DEG C.
5. the application of the nano titanium oxide glass fiber compound material Adsorption of Heavy Metal Ions in sewage disposal described in any one of claim 1-4.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109012228A (en) * | 2018-08-23 | 2018-12-18 | 安徽实力环保科技有限公司 | A method of sewage is handled with titania glass web-Static Spinning composite nano-fiber membrane |
| CN110863265A (en) * | 2019-09-06 | 2020-03-06 | 青岛中科星熠高新技术研究院有限公司 | Preparation method of continuous ceramic fiber |
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| US20140274660A1 (en) * | 2013-03-15 | 2014-09-18 | The Florida International University Board Of Trustees | Fabric phase sorptive extractors (fpse) |
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| CN1721059A (en) * | 2005-05-24 | 2006-01-18 | 同济大学 | Loaded on glass fiber net TiO 2The preparation method of fixed film photocatalyst |
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| US20140274660A1 (en) * | 2013-03-15 | 2014-09-18 | The Florida International University Board Of Trustees | Fabric phase sorptive extractors (fpse) |
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Cited By (2)
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|---|---|---|---|---|
| CN109012228A (en) * | 2018-08-23 | 2018-12-18 | 安徽实力环保科技有限公司 | A method of sewage is handled with titania glass web-Static Spinning composite nano-fiber membrane |
| CN110863265A (en) * | 2019-09-06 | 2020-03-06 | 青岛中科星熠高新技术研究院有限公司 | Preparation method of continuous ceramic fiber |
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