CN103341356A - Processing method of water purifying agent of ceramic tourmaline-loaded titanium dioxide film - Google Patents
Processing method of water purifying agent of ceramic tourmaline-loaded titanium dioxide film Download PDFInfo
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- CN103341356A CN103341356A CN2013103118053A CN201310311805A CN103341356A CN 103341356 A CN103341356 A CN 103341356A CN 2013103118053 A CN2013103118053 A CN 2013103118053A CN 201310311805 A CN201310311805 A CN 201310311805A CN 103341356 A CN103341356 A CN 103341356A
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Abstract
The invention relates to a processing method of a water purifying agent of a ceramic tourmaline-loaded titanium dioxide film, belonging to the field of processing the ceramic tourmaline-loaded titanium dioxide film. The processing method comprises the steps of: placing the processed ceramic tourmaline on a filter screen and rinsing in a rinsing tank, drying the rinsed ceramic tourmaline with warm air, controlling the temperature to be 40-45 DEG C and the humidity to be 2%-3%, placing the dried ceramic tourmaline into a titanium dioxide solution tank containing inorganic sol for dipping at the speed of 1m/min, wherein the titanium dioxide concentration of the inorganic sol is 0.85%; conducting high-temperature sintering after dipping for 3 minutes, preheating at the speed of 100 DEG C/min, controlling the temperature to be 500 DEG C-600 DEG C for sintering at high temperature for 30-40minutes; finally cooling.
Description
Technical field
The invention belongs to the manufacture field of ceramic tourmaline carried titanium dioxide film, a kind of high temperature sintering processing method of photochemical catalyst of the ceramic tourmaline carried titanium dioxide with purification of water quality specifically is applied to the various harmful organic substances in the water are carried out the ceramic tourmaline photochemical catalyst of deep processing.
Background technology
Along with development of industry and agriculture, a large amount of and ever-increasing HOCs finally must enter into natural water cycle system, and appears in the drinking water inevitably; Particularly the abuse of people's veterinary drug thing, electronics and plastic garbage spreads unchecked, emerging organic nuisance is continued to bring out in drinking water, the high toxicity that they have and extremely strong biological accumulation even content is atomic, also can constitute great risk to human beings'health.In China, the level of indivedual persistence organic pollutants is in high-end in the global range in the water system.
The thorough HOCs that removes in the drinking water is necessary to the guarantee human health, does not have consideration at present in the drinking water treatment technology of China to the removing of HOCs at all.Generally believe at present: to complicated component in the water, the removing of the HOCs of physico-chemical property complexity, the deep level of processing that belongs to drinking water, be very difficult, the adsorption method that some research institutes propose not only can not thoroughly be disposed it, and from environment on the whole, just played the effect of concentrated transfer; The oxidation Decomposition method that other research institutes adopt must be used scalable strong oxidizer, and strong oxidizer not only cost height, operational hazards, and causes the secondary pollution of water body easily.
Water can not exist with independent molecule, and it can be combined with hydrogen, forms molecule group.Be called molecular beam.The water of activation is the molecular beam of 5-6 molecule combination.Under this state, the activity of molecule is the most vigorous.When in case water contains impurities such as chlorine or heavy metal, these impurities can enter in the molecular beam, form dozens of molecule group, suppress the activity of hydrone, make the tasty of water change, and the penetration of cell also can reduce the bad reason of drinking of running water, not just carry out chlorine and handle, also relevant with the size of molecular beam.
Titanium dioxide has been widely used in industries such as toothpaste, cosmetics, coating as Chinese white.Usually under normal temperature and pressure conditions, its chemistry, physical property are highly stable, are insoluble to alkali, acid, water and common organic solvents, even do not react with the extremely strong gas of chemical reactivities such as hydrogen fluoride, nitrogen and hydrogen sulfide.Have advantages such as durability, attrition resistance, safety, economy and practicality after film forming is planted in spray as photochemical catalyst.The photochemical catalyst that we adopt usually is the titanium dioxide of anatase, under ultraviolet ray irradiation and visible light condition, can make it that light-catalyzed reaction takes place.Titanium dioxide has the magical strength of decomposing whole organic compounds.
When titanium dioxide is subjected to illumination that energy can be with greater than titanium dioxide and penetrates, can produce electronics and electric hole, they and water and oxygen react and can produce reactive hydrogen oxygen radical (OH) and peroxy isoreactivity oxygen (O2) composition.These active oxygen compositions have very strong reactivity, reactive hydrogen oxygen radical particularly, it has the energy of 120kal/mol, (((((covalent bond of N-H) is in conjunction with about bond energy 100kal/mol for O-H), nitrogen-hydrogen for C-H), oxygen-hydrogen for C-N), carbon-hydrogen for C-C), carbon-nitrogen and constitute the carbon-carbon of organic compounds; If reactive hydrogen oxygen radical and peroxy etc. act on the associative key of carbon-carbon, carbon-nitrogen, carbon-hydrogen, oxygen-hydrogen, nitrogen-hydrogen.These are destroyed easily in conjunction with meeting, and the organifying compound decomposes.So utilize photocatalysis technology almost can make all harmful organic compounds finally be decomposed into avirulence materials such as carbon dioxide and water.
Titanium dioxide can produce reactive hydrogen oxygen radical isoreactivity oxygen after being subjected to the light irradiation.This active oxygen is compared with oxidant tools such as chlorine, hypochlorous acid, hydrogen peroxide, ozone stronger oxidability, therefore utilize photocatalysis not only can carry out sterilization and sterilization, it can also dissolve and reach the various harmful organic compound that contains in the air in the water simultaneously, and decompose, make it become harmless.Therefore photocatalysis technology can be used for water source processing, deodorizing, automobile exhaust gas processing, air cleaning, soil treatment, antibiotic, mildew-resistant, decontamination, anti-skidding, the comprehensive syndrome of solution dwelling house, and the various environmental treatment such as inside infection that prevent hospital.
Photocatalyst is that a class is the general name of the semi-conducting material with photo-catalysis function of representative with titanium dioxide, and photocatalyst namely is photochemical catalyst.So-called catalyst is exactly for reducing the required energy of chemical reaction, impels the chemical reaction pick up speed, but the material that itself does not change because of chemical reaction.
The function of photocatalyst
1, the purify air hydroxyl free radical that produces because of TiO2 can destroy the energy key of organic gas molecule in advance, make organic gas become single gas molecule, accelerate the decomposition of organic substance, gas, with oxidations such as various organic matters such as airborne formaldehyde, benzene, nitrogen oxide, oxysulfide and ammonia, reduction becomes innocuous substance.
2, deodorizing: cigarette is smelly, and rubbish is smelly, the animal body odor, and mud is smelly, the smelly deodorization that waits of living.Titanium dioxide TiO2 has stronger oxidability than ozone (O3) anion; Specific activity carbon, HEAP have stronger absorption affinity, also have activated carbon, the unexistent decomposition effect of HEAP (decomposing bacteria).TiO2 deodorization ability is according to American-European countries authority laboratory tests, the high-effect fibre active carbon of the TiO2 of each square centimeter and each square centimeter relatively, the deodorization ability of TiO2 is 150 times of high-effect fibre active carbon, is equivalent to 500 carbon deodorant for refrigerator alive.
3, antifouling: prevent cigarette coke tar, generally greasy dirt adheres to and the WC pans jaundice; Prevent that metal from getting rusty, prevent fading of coated article body.
4, sterilization
◆ the cell membrane that destroys cell with the super oxidability of TiO2 makes the cytoplasm loss cause bacterium death;
◆ solidify the protein of virus, suppress the activity of virus, and catch, kill the planktonic bacteria in the deacration, its ability is up to 99.96%;
◆ can remove Escherichia coli, green pus bacterium, staphylococcus aureus, black aspergillus etc. extremely;
◆ airborne anaphylactogen be can decompose, anaphylactia and asthma reduced, but also decomposing bacteria,
5, antimildew and antibacterial: prevent the generation of mouldy and algae, prevent adhering to of incrustation scale.
6, the body surface after photocatalyst is handled can produce super water-wet behavior, and after the dust dirt dropped on the body surface, only needing to clean the dust dirt with clear water can come off with clear water, has the function of antifouling self-cleaning.
The nano TiO 2 crystal is as photochemical catalyst, under the ultraviolet ray irradiation of wavelength less than 387.5nm, electronics can be produced and the hole is right, it is carrier, can make oxygen molecule produce the hydroxyl radical free radical with strong oxidation, and then the generation oxygenolysis, can decompose the organic compound of the nearly all difficulty decomposition that comprises bacterium of contact with it, finally make it to change into CO
2, produce " zero " refuse.But, reclaim because nano particle is difficult, can not reuse; Photo-generated carrier is easy to again compound, and photocatalytic quantum is very low; Pure nano TiO 2 needs ultravioletly auxiliaryly just can cause catalytic reaction, and actual light middle-ultraviolet lamp only accounts for 3%～5%, catalytic decomposition efficient is extremely low etc., and various reasons makes to seem of great value new material and be difficult to be applied on the depths reason to HOCs in the water.
Summary of the invention
The present invention is in order to overcome titanium dioxide when the insufficient light, can not give full play to the shortcoming of its characteristic, and the chargeding performance of permanent 0.06 milliampere of utilizing ceramic tourmaline and the high-performance cleanser that huge specific area improves photocatalyst pottery tourmaline decomposing organic compounds and water purification performance are provided.Can be applicable to industrial water drainage purification, domestic water purification and air cleaning handles.
Technical scheme of the present invention: the sintering method of the water quality cleansing agent of ceramic tourmaline carried titanium dioxide film, the ceramic tourmaline that processes is placed on to enter in the flushed channel on the screen pack washes, it is air-dry dry that ceramic tourmaline carries out temperature after cleaning, temperature control is at 40～45 ℃, and humidity is controlled 2%～3%; The ceramic tourmaline in dry back is put into and is carried out liquid in the titania solution groove of inorganic sol of titanium dioxide concentration 0.85% and soak, and speed is that 1m/min carries out; Carry out high temperature sintering after soaking through 3 minutes liquid, carry out preheating with the speed of 100 ℃/min, temperature control is carried out 30～40 minutes high temperature sinterings at 500 ℃～600 ℃; Cool off at last.
The sintering method of the water quality cleansing agent of described ceramic tourmaline carried titanium dioxide film, the composition of ceramic tourmaline are by tourmaline 60%～70%, and potter's clay 30%～40% constitutes.
The sintering method of the water quality cleansing agent of described ceramic tourmaline carried titanium dioxide film, adopting diameter is the tourmaline of 2.5～3.5mm.The total amount of purifying waste water as required in actual applications, draining bore, flow velocity are selected the different ceramic tourmaline cleanser of diameter.
The sintering method of the water quality cleansing agent of described ceramic tourmaline carried titanium dioxide film, the aqueous solution of the inorganic sol of titanium dioxide concentration 0.85% is by titanium tetrachloride (titanium 16%, chlorine 34%) add ammonium ion after adding ammoniacal liquor 35% generates titanium hydroxide, then titanium hydroxide is stirred, precipitates, separates, cleans and improve purity through 3 times, add hydrogen peroxide again and generate titanium peroxide, heat the water-soluble solution of titanium peroxide, form the sharp titanium colloidal sol of titanium peroxide upgrading of noncrystal at last.
Innovation part of the present invention and effect:
1,100% titanium dioxide drug-resistant performance through upgrading sees Table
| ? | ? | Strong acid | Water | Highly basic |
| Ti 2O 5(OH) 2 | Noncrystal (amorphous) | × | ○ | × |
| ? | ↓ ultraviolet ray | ? | ? | ? |
| TiO(OH) 2 | Amorphous water and thing | △ | ○ | × |
| ? | ↓ heating | ? | ? | ? |
| TiO 2 | Sharp titanium | ○ | ○ | △ |
Zero the expression excellent △ represent generally * it is poor to represent
2, ceramic tourmaline has and produces anion, brine electrolysis, dwindles hydrone bundle, emitting far infrared ray (4-14 microns growth light), contains the characteristic of effective trace mineral, utilize permanent chargeding performance, porous matter performance and the huge specific area of ceramic tourmaline to come very big limit to improve photocatalyst decomposing organic compounds ability, the pottery tourmaline combines with photocatalyst of titanium dioxide, strengthen effects of purification quality, produced the healthy drinking water that certain physiological action is arranged.
3, the present invention itself is not subjected to water pollution, and the surface can not produce incrustation scale, and the harmful substance in the decomposition water and bacterial micro-organism etc. are extremely extensive as the water quality cleansing agent purposes fully effectively.Can be used for the purification of water quality of industrial water drainage, the purification of water quality of drinking water, can the home-use water purifier of processing and manufacturing, reach the effect of direct drinking.The more important thing is and utilize tourmaline to produce the performance that permanent weak current is 0.06 milliampere.Excite the decomposition reaction of TIO2.
Description of drawings:
Fig. 1 is the contrast photo before and after the ceramic tourmaline carried titanium dioxide film, and a is the ceramic tourmaline spheroid before the ceramic tourmaline carried titanium dioxide film, and b is the ceramic tourmaline spheroid behind the ceramic tourmaline carried titanium dioxide film.
Fig. 2 is at the configuration state photo of microscopically behind the ceramic tourmaline carried titanium dioxide film.
The specific embodiment
Embodiment 1
1, the aqueous solution of the inorganic sol of titanium dioxide concentration 0.85% is by titanium tetrachloride (titanium 16%, chlorine 34%) add ammonium ion after adding ammoniacal liquor 35% generates titanium hydroxide, then titanium hydroxide is stirred, precipitates, separates, cleans and improve purity through 3 times, add hydrogen peroxide again and generate titanium peroxide, heat the water-soluble solution of titanium peroxide, form the sharp titanium colloidal sol of titanium peroxide upgrading of noncrystal at last.
2, the titanium dioxide aqueous solvent of above-mentioned production is put into the titania solution groove, the tourmaline that processes is placed on to enter in the ablution groove on the screen pack washes, it is air-dry dry that tourmaline carries out temperature after cleaning, and temperature is controlled at 40～45 ℃, and humidity is controlled 2%～3%; Dry back tourmaline is put into and is carried out liquid in the titania solution groove of titanium dioxide concentration 0.85% and soak, and speed is that 1m/min carries out; Carry out high temperature sintering after soaking through 3 minutes liquid, carry out preheating with the speed of 10 ℃/min, temperature control is carried out 30～40 minutes high temperature sinterings at 500 ℃～600 ℃, forms the crystalline solid with decomposability; Cool off at last.
Embodiment 2 is substantially the same manner as Example 1, uses the same method the high temperature sintering processing method of titanium dichloride load on inorganic silica gel.
Claims (4)
1. the sintering method of the water quality cleansing agent of ceramic tourmaline carried titanium dioxide film, it is characterized in that: the ceramic tourmaline that will process is placed on to enter in the flushed channel on the screen pack and washes, it is air-dry dry that ceramic tourmaline carries out temperature after cleaning, temperature control is at 40～45 ℃, and humidity is controlled 2%～3%; The ceramic tourmaline in dry back is put into and is carried out liquid in the titania solution groove of inorganic sol of titanium dioxide concentration 0.85% and soak, and speed is that 1m/min carries out; Carry out high temperature sintering after soaking through 3 minutes liquid, carry out preheating with the speed of 100 ℃/min, temperature control is carried out 30～40 minutes high temperature sinterings at 500 ℃～600 ℃; Cool off at last.
2. the sintering method of the water quality cleansing agent of ceramic tourmaline carried titanium dioxide film according to claim 1, it is characterized in that: the composition of ceramic tourmaline is by tourmaline 60%～70%, potter's clay 30%～40% constitutes.
3. the sintering method of the water quality cleansing agent of ceramic tourmaline carried titanium dioxide film according to claim 1, it is characterized in that: adopting diameter is the tourmaline of 2.5～3.5mm, and the total amount of purifying waste water as required in actual applications, draining bore, flow velocity are selected the different ceramic tourmaline cleanser of diameter.
4. the sintering method of the water quality cleansing agent of ceramic tourmaline carried titanium dioxide film according to claim 1, it is characterized in that: the aqueous solution of the inorganic sol of titanium dioxide concentration 0.85% is by titanium tetrachloride (titanium 16%, chlorine 34%) add ammonium ion after adding ammoniacal liquor 35% generates titanium hydroxide, then titanium hydroxide is stirred, precipitates, separates, cleans and improve purity through 3 times, add hydrogen peroxide again and generate titanium peroxide, heat the water-soluble solution of titanium peroxide, form the sharp titanium colloidal sol of titanium peroxide upgrading of noncrystal at last.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492796A (en) * | 2016-10-20 | 2017-03-15 | 纳琦环保科技有限公司 | A kind of tourmaline ceramic loads TiO2The preparation technology of the immobilized photochemical catalysts of NCP |
| CN108250727A (en) * | 2018-02-09 | 2018-07-06 | 纳琦环保科技有限公司 | A kind of preparation method of the polymer foams with purification function |
| CN111187029A (en) * | 2018-11-14 | 2020-05-22 | 奇鼎科技股份有限公司 | Method for producing hydrophilic inorganic sheet having humidifying function |
| CN111359641A (en) * | 2020-03-27 | 2020-07-03 | 中触媒新材料股份有限公司 | Novel composite immobilized photocatalyst of three-dimensional porous foamed ceramic and preparation method thereof |
| CN111604044A (en) * | 2020-06-30 | 2020-09-01 | 郑州大学 | Preparation and application of tourmaline/titanium dioxide composite photocatalyst sol |
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|---|---|---|---|---|
| US6267944B1 (en) * | 1999-07-05 | 2001-07-31 | Morioki Sangyo Company Limited | Method of preparing a solution for titania film |
| CN1609000A (en) * | 2003-10-17 | 2005-04-27 | 胡祥 | Prepn process of nano filming titanium dioxide colloid |
| CN103071499A (en) * | 2012-12-19 | 2013-05-01 | 大连市疾病预防控制中心 | Titanium dioxide-doped tourmaline ceramic ball photocatalyst and preparation method thereof |
-
2013
- 2013-07-23 CN CN2013103118053A patent/CN103341356A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267944B1 (en) * | 1999-07-05 | 2001-07-31 | Morioki Sangyo Company Limited | Method of preparing a solution for titania film |
| CN1609000A (en) * | 2003-10-17 | 2005-04-27 | 胡祥 | Prepn process of nano filming titanium dioxide colloid |
| CN103071499A (en) * | 2012-12-19 | 2013-05-01 | 大连市疾病预防控制中心 | Titanium dioxide-doped tourmaline ceramic ball photocatalyst and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492796A (en) * | 2016-10-20 | 2017-03-15 | 纳琦环保科技有限公司 | A kind of tourmaline ceramic loads TiO2The preparation technology of the immobilized photochemical catalysts of NCP |
| CN106492796B (en) * | 2016-10-20 | 2017-10-10 | 纳琦环保科技有限公司 | A kind of tourmaline ceramic loads TiO2The preparation technology of the immobilized photochemical catalysts of-NCP |
| CN108250727A (en) * | 2018-02-09 | 2018-07-06 | 纳琦环保科技有限公司 | A kind of preparation method of the polymer foams with purification function |
| CN108250727B (en) * | 2018-02-09 | 2020-08-14 | 纳琦环保科技有限公司 | Preparation method of polymer foam material with purification function |
| CN111187029A (en) * | 2018-11-14 | 2020-05-22 | 奇鼎科技股份有限公司 | Method for producing hydrophilic inorganic sheet having humidifying function |
| CN111359641A (en) * | 2020-03-27 | 2020-07-03 | 中触媒新材料股份有限公司 | Novel composite immobilized photocatalyst of three-dimensional porous foamed ceramic and preparation method thereof |
| CN111604044A (en) * | 2020-06-30 | 2020-09-01 | 郑州大学 | Preparation and application of tourmaline/titanium dioxide composite photocatalyst sol |
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Application publication date: 20131009 |