CN106348382A - Fiber filter felt for photocatalytic sewage treatment and preparation method of fiber filter felt - Google Patents
Fiber filter felt for photocatalytic sewage treatment and preparation method of fiber filter felt Download PDFInfo
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- CN106348382A CN106348382A CN201610765255.6A CN201610765255A CN106348382A CN 106348382 A CN106348382 A CN 106348382A CN 201610765255 A CN201610765255 A CN 201610765255A CN 106348382 A CN106348382 A CN 106348382A
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- Prior art keywords
- fiber filter
- filter felt
- photocatalysis
- sintering
- process according
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- 230000001699 photocatalysis Effects 0.000 title claims abstract description 53
- 239000000835 fiber Substances 0.000 title claims abstract description 46
- 239000010865 sewage Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000011941 photocatalyst Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000003365 glass fiber Substances 0.000 claims abstract description 11
- 238000007146 photocatalysis Methods 0.000 claims description 41
- 238000005245 sintering Methods 0.000 claims description 40
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 36
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- 239000011521 glass Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 22
- 238000002156 mixing Methods 0.000 claims description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 125000002524 organometallic group Chemical group 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- 238000006555 catalytic reaction Methods 0.000 claims description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- APIDIPGVBRXKEJ-UHFFFAOYSA-N acetic acid titanium Chemical compound [Ti].CC(O)=O.CC(O)=O APIDIPGVBRXKEJ-UHFFFAOYSA-N 0.000 claims description 10
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 10
- 238000005273 aeration Methods 0.000 claims description 10
- 239000003513 alkali Substances 0.000 claims description 10
- 238000007598 dipping method Methods 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 239000004246 zinc acetate Substances 0.000 claims description 10
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000002585 base Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000003599 detergent Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 5
- 229910052756 noble gas Inorganic materials 0.000 claims description 5
- 150000002835 noble gases Chemical class 0.000 claims description 5
- 238000000643 oven drying Methods 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 230000004298 light response Effects 0.000 abstract 1
- 238000002834 transmittance Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000004887 air purification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- -1 hydroxyl radical free radical Chemical class 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/06—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of zinc, cadmium or mercury
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a fiber filter felt for photocatalytic sewage treatment and a preparation method of the fiber filter felt. The photocatalytic fiber filter felt is prepared from glass fibers serving as a base material and a photocatalytic material serving as a coated layer; the photocatalytic material adopts a mixed modified photocatalyst. The fiber felt prepared through the preparation method has the characteristics of small wind resistance, high light transmittance and the like, has good visible light response and is excellent in photocatalytic degradability.
Description
Technical field
The invention belongs to technical field of sewage and in particular to a kind of photocatalysis sewage process with fiber filter felt and its
Preparation method.
Background technology
Photocatalysis technology has the semi-conducting material of photocatalytic activity so as to surface produces photoproduction sky using ultraviolet light
Cave and light induced electron, photohole and its hydroxyl radical free radical producing after being captured all have very strong oxidability, Ji Huke
To aoxidize all of organic pollution.The feature of photocatalysis technology is energy effectively utilizes luminous energy, easy to operate, non-secondary pollution, quilt
It is widely used in air purification field.For from form, photocatalyst can be divided into powder-type and two kinds of support type, and the former has
Relatively high catalysis activity, but tiny powder in air purification process is easy to reunite, and affects its catalytic effect, and powder
Shape catalyst is only applicable to fluidized bed type depurator it is difficult to large-scale promotion application.Comparatively, loaded catalyst is suitable for model
Enclose wider.But once being fixed, the absorption property of catalyst and light utilization efficiency can decrease, and lead to its catalysis activity not
High.
Content of the invention
It is an object of the invention to provide a kind of photocatalysis sewage is processed with fiber filter felt and preparation method thereof, system of the present invention
Standby fiber felt has the features such as windage is little, and light transmission is good, has good visible light-responded, Photocatalytic Degradation Property is good.
A kind of photocatalysis sewage processes and uses fiber filter felt, with glass fibre as base material, with catalysis material as film plating layer,
Obtain photocatalytic fiber filter felt, described catalysis material adopts mixed and modified photocatalyst.
Described mixed and modified photocatalyst adopts nitrogen modified mixing photocatalyst.
Described mixing photocatalyst adopts zinc oxide and titanium dioxide mixing photocatalyst.
The preparation method of described fiber filter felt, its step is as follows:
Step 1, glass fiber bundle is disperseed, and shuffling forms fiber felt;
Step 2, glass mat is immersed in water, adds neutral detergent, is cleaned by ultrasonic, then clean water, naturally dries in the air
Dry;
Step 3, glass mat is dipped in alkali liquor, and then aeration reacting by heating dries;
Step 4, the glass mat in step 3 is carried out after acid soak, and ultrasonic clean water is dried;
Step 5, with acetic acid titanium and zinc acetate as organometallic sources, with isopropanol or ethanol as solvent, with water as dropping liquid, is carried out
It is slowly added dropwise, obtain mixing photocatalysis coating liquid;
Step 6, using the method for dipping plated film, glass mat is carried out photocatalysis plated film, then low temperature flash baking, repeatedly
10-25 time;
Step 7, the glass mat after dipping is carried out high temperature sintering, naturally cools to room temperature;
Step 8, the glass mat after sintering is carried out pressure sintering being placed under atmosphere, obtains photocatalysis after sintering
Use fiber filter felt.
Supersonic frequency in described step 2 is 3-10mhz, and ultrasonic time is 5-15min.
Alkali liquor in described step 3 adopts sodium hydroxide solution, and described sodium hydroxide solution is 0.1-0.3mol/l, described
Aeration heating-up temperature is 50-60 DEG C, and aerating gas are air;Acid solution in described step 4 is sulfuric acid solution, described sulfuric acid solution
Concentration be 0.3-0.6mol/l, described ultrasonic cleaning frequency be 0.1-2.4mhz.
In described step 5, photocatalysis plated film formula of liquid is organometallic sources 12-22 part, solvent 50-65 part and dropping liquid
0.1-0.3 part, in described organometallic sources, acetic acid titanium and zinc acetate are 3:0.7-1.2;Described rate of addition is 0.1-0.3ml/
min.
Best-Effort request speed in described step 6 is 60mm/min, and the described dead time is 5s, described oven drying at low temperature temperature
Spend for 60-70 DEG C.
High temperature sintering temperature in described step 7 is 300-400 DEG C, and described sintering time is 3-6h.
Atmosphere in described step 8 is the mixed gas of nitrogen or nitrogen and noble gases, described nitrogen with lazy
Property gas proportioning be 3:1-1.5.
Sintering pressure in described step 8 is 0.5-15kpa, and described sintering time is 30-60min.
Compared with prior art, the method have the advantages that
1st, the fiber felt of present invention preparation has the features such as windage is little, and light transmission is good, has good visible light-responded, photocatalysis
Degradation property is good.
2nd, the fiber felt that the present invention provides solves poor adhesion in prior art, and caducous problem is blunt by soda acid
Change, greatly improve specific surface area, greatly improve surface adhesive.
3rd, the preparation method that the present invention provides facilitates environmental protection, simple and easy to do, is easy to large-scale production.
Specific embodiment
With reference to embodiment, the present invention is described further:
Embodiment 1
A kind of photocatalysis sewage processes and uses fiber filter felt, with glass fibre as base material, with catalysis material as film plating layer, obtains
Photocatalytic fiber filter felt, described catalysis material adopts mixed and modified photocatalyst.
Described mixed and modified photocatalyst adopts nitrogen modified mixing photocatalyst.
Described mixing photocatalyst adopts zinc oxide and titanium dioxide mixing photocatalyst.
The preparation method of described fiber filter felt, its step is as follows:
Step 1, glass fiber bundle is disperseed, and shuffling forms fiber felt;
Step 2, glass mat is immersed in water, adds neutral detergent, is cleaned by ultrasonic, then clean water, naturally dries in the air
Dry;
Step 3, glass mat is dipped in alkali liquor, and then aeration reacting by heating dries;
Step 4, the glass mat in step 3 is carried out after acid soak, and ultrasonic clean water is dried;
Step 5, with acetic acid titanium and zinc acetate as organometallic sources, with isopropanol as solvent, with water as dropping liquid, is slowly dripped
Plus, obtain mixing photocatalysis coating liquid;
Step 6, using the method for dipping plated film, glass mat is carried out photocatalysis plated film, then low temperature flash baking, repeatedly
10 times;
Step 7, the glass mat after dipping is carried out high temperature sintering, naturally cools to room temperature;
Step 8, the glass mat after sintering is carried out pressure sintering being placed under atmosphere, obtains photocatalysis after sintering
Use fiber filter felt.
Supersonic frequency in described step 2 is 3mhz, and ultrasonic time is 5min.
Alkali liquor in described step 3 adopts sodium hydroxide solution, and described sodium hydroxide solution is 0.1mol/l, described aeration
Heating-up temperature is 50 DEG C, and aerating gas are air;Acid solution in described step 4 is sulfuric acid solution, the concentration of described sulfuric acid solution
For 0.3mol/l, described ultrasonic cleaning frequency is 0.1mhz.
In described step 5, photocatalysis plated film formula of liquid is 12 parts of organometallic sources, 50 parts of solvent and 0.1 part of dropping liquid, institute
Stating acetic acid titanium and zinc acetate in organometallic sources is 3:0.7;Described rate of addition is 0.1ml/min.
Best-Effort request speed in described step 6 is 60mm/min, and the described dead time is 5s, described oven drying at low temperature temperature
Spend for 60 DEG C.
High temperature sintering temperature in described step 7 is 300 DEG C, and described sintering time is 3h.
Atmosphere in described step 8 is nitrogen.
Sintering pressure in described step 8 is 0.5kpa, and described sintering time is 30min.
Embodiment 2
A kind of photocatalysis sewage processes and uses fiber filter felt, with glass fibre as base material, with catalysis material as film plating layer, obtains
Photocatalytic fiber filter felt, described catalysis material adopts mixed and modified photocatalyst.
Described mixed and modified photocatalyst adopts nitrogen modified mixing photocatalyst.
Described mixing photocatalyst adopts zinc oxide and titanium dioxide mixing photocatalyst.
The preparation method of described fiber filter felt, its step is as follows:
Step 1, glass fiber bundle is disperseed, and shuffling forms fiber felt;
Step 2, glass mat is immersed in water, adds neutral detergent, is cleaned by ultrasonic, then clean water, naturally dries in the air
Dry;
Step 3, glass mat is dipped in alkali liquor, and then aeration reacting by heating dries;
Step 4, the glass mat in step 3 is carried out after acid soak, and ultrasonic clean water is dried;
Step 5, with acetic acid titanium and zinc acetate as organometallic sources, with ethanol as solvent, with water as dropping liquid, is slowly dripped
Plus, obtain mixing photocatalysis coating liquid;
Step 6, using the method for dipping plated film, glass mat is carried out photocatalysis plated film, then low temperature flash baking, repeatedly
25 times;
Step 7, the glass mat after dipping is carried out high temperature sintering, naturally cools to room temperature;
Step 8, the glass mat after sintering is carried out pressure sintering being placed under atmosphere, obtains photocatalysis after sintering
Use fiber filter felt.
Supersonic frequency in described step 2 is 10mhz, and ultrasonic time is 15min.
Alkali liquor in described step 3 adopts sodium hydroxide solution, and described sodium hydroxide solution is 0.3mol/l, described aeration
Heating-up temperature is 60 DEG C, and aerating gas are air;Acid solution in described step 4 is sulfuric acid solution, the concentration of described sulfuric acid solution
For 0.6mol/l, described ultrasonic cleaning frequency is 2.4mhz.
In described step 5, photocatalysis plated film formula of liquid is 22 parts of organometallic sources, 65 parts of solvent and 0.3 part of dropping liquid, institute
Stating acetic acid titanium and zinc acetate in organometallic sources is 3:1.2;Described rate of addition is 0.3ml/min.
Best-Effort request speed in described step 6 is 60mm/min, and the described dead time is 5s, described oven drying at low temperature temperature
Spend for 70 DEG C.
High temperature sintering temperature in described step 7 is 400 DEG C, and described sintering time is 6h.
Atmosphere in described step 8 is the mixed gas of nitrogen or nitrogen and noble gases, described nitrogen with lazy
Property gas proportioning be 3:1.5.
Sintering pressure in described step 8 is 15kpa, and described sintering time is 60min.
Embodiment 3
A kind of photocatalysis sewage processes and uses fiber filter felt, with glass fibre as base material, with catalysis material as film plating layer, obtains
Photocatalytic fiber filter felt, described catalysis material adopts mixed and modified photocatalyst.
Described mixed and modified photocatalyst adopts nitrogen modified mixing photocatalyst.
Described mixing photocatalyst adopts zinc oxide and titanium dioxide mixing photocatalyst.
The preparation method of described fiber filter felt, its step is as follows:
Step 1, glass fiber bundle is disperseed, and shuffling forms fiber felt;
Step 2, glass mat is immersed in water, adds neutral detergent, is cleaned by ultrasonic, then clean water, naturally dries in the air
Dry;
Step 3, glass mat is dipped in alkali liquor, and then aeration reacting by heating dries;
Step 4, the glass mat in step 3 is carried out after acid soak, and ultrasonic clean water is dried;
Step 5, with acetic acid titanium and zinc acetate as organometallic sources, with isopropanol as solvent, with water as dropping liquid, is slowly dripped
Plus, obtain mixing photocatalysis coating liquid;
Step 6, using the method for dipping plated film, glass mat is carried out photocatalysis plated film, then low temperature flash baking, repeatedly
15 times;
Step 7, the glass mat after dipping is carried out high temperature sintering, naturally cools to room temperature;
Step 8, the glass mat after sintering is carried out pressure sintering being placed under atmosphere, obtains photocatalysis after sintering
Use fiber filter felt.
Supersonic frequency in described step 2 is 6mhz, and ultrasonic time is 11min.
Alkali liquor in described step 3 adopts sodium hydroxide solution, and described sodium hydroxide solution is 0.2mol/l, described aeration
Heating-up temperature is 54 DEG C, and aerating gas are air;Acid solution in described step 4 is sulfuric acid solution, the concentration of described sulfuric acid solution
For 0.4mol/l, described ultrasonic cleaning frequency is 1.4mhz.
In described step 5, photocatalysis plated film formula of liquid is 17 parts of organometallic sources, 58 parts of solvent and 0.2 part of dropping liquid, institute
Stating acetic acid titanium and zinc acetate in organometallic sources is 3:1.1;Described rate of addition is 0.2ml/min.
Best-Effort request speed in described step 6 is 60mm/min, and the described dead time is 5s, described oven drying at low temperature temperature
Spend for 65 DEG C.
High temperature sintering temperature in described step 7 is 350 DEG C, and described sintering time is 5h.
Atmosphere in described step 8 is the mixed gas of nitrogen or nitrogen and noble gases, described nitrogen with lazy
Property gas proportioning be 3:1.3.
Sintering pressure in described step 8 is 9kpa, and described sintering time is 34min.
The foregoing is only one embodiment of the invention, be not intended to limit the present invention, all employing equivalents or equivalent transformation
The technical scheme that obtained of mode, all fall within protection scope of the present invention.
Claims (10)
1. a kind of photocatalysis sewage process fiber filter felt is it is characterised in that it is with glass fibre as base material, with photocatalysis material
Expect for film plating layer, to obtain photocatalytic fiber filter felt, described catalysis material adopts mixed and modified photocatalyst.
2. a kind of photocatalysis sewage process according to claims 1 with fiber filter felt it is characterised in that described mixing
Modified light catalyst adopts nitrogen modified mixing photocatalyst.
3. a kind of photocatalysis sewage process according to claims 2 with fiber filter felt it is characterised in that described mixing
Photocatalyst adopts zinc oxide and titanium dioxide mixing photocatalyst.
4. a kind of photocatalysis sewage process according to claims 1 with fiber filter felt it is characterised in that described fiber
The preparation method of filter felt, its step is as follows:
Step 1, glass fiber bundle is disperseed, and shuffling forms fiber felt;
Step 2, glass mat is immersed in water, adds neutral detergent, is cleaned by ultrasonic, then clean water, naturally dries in the air
Dry;
Step 3, glass mat is dipped in alkali liquor, and then aeration reacting by heating dries;
Step 4, the glass mat in step 3 is carried out after acid soak, and ultrasonic clean water is dried;
Step 5, with acetic acid titanium and zinc acetate as organometallic sources, with isopropanol or ethanol as solvent, with water as dropping liquid, is carried out
It is slowly added dropwise, obtain mixing photocatalysis coating liquid;
Step 6, using the method for dipping plated film, glass mat is carried out photocatalysis plated film, then low temperature flash baking, repeatedly
10-25 time;
Step 7, the glass mat after dipping is carried out high temperature sintering, naturally cools to room temperature;
Step 8, the glass mat after sintering is carried out pressure sintering being placed under atmosphere, obtains photocatalysis after sintering
Use fiber filter felt.
5. a kind of photocatalysis sewage process according to claims 4 with fiber filter felt it is characterised in that described step
Supersonic frequency in 2 is 3-10mhz, and ultrasonic time is 5-15min.
6. a kind of photocatalysis sewage process according to claims 4 with fiber filter felt it is characterised in that described step
Alkali liquor in 3 adopts sodium hydroxide solution, and described sodium hydroxide solution is 0.1-0.3mol/l, and described aeration heating-up temperature is
50-60 DEG C, aerating gas are air;Acid solution in described step 4 is sulfuric acid solution, and the concentration of described sulfuric acid solution is 0.3-
0.6mol/l, described ultrasonic cleaning frequency is 0.1-2.4mhz.
7. a kind of photocatalysis sewage process according to claims 4 with fiber filter felt it is characterised in that described step
In 5, photocatalysis plated film formula of liquid is organometallic sources 12-22 part, solvent 50-65 part and dropping liquid 0.1-0.3 part, described organic
In source metal, acetic acid titanium and zinc acetate are 3:0.7-1.2;Described rate of addition is 0.1-0.3ml/min.
8. a kind of photocatalysis sewage process according to claims 4 with fiber filter felt it is characterised in that described step
Best-Effort request speed in 6 is 60mm/min, and the described dead time is 5s, and described oven drying at low temperature temperature is 60-70 DEG C.
9. a kind of photocatalysis sewage process according to claims 4 with fiber filter felt it is characterised in that described step
High temperature sintering temperature in 7 is 300-400 DEG C, and described sintering time is 3-6h.
10. a kind of photocatalysis sewage process according to claims 4 with fiber filter felt it is characterised in that described step
Atmosphere in rapid 8 is nitrogen or the mixed gas of nitrogen and noble gases, and described nitrogen with the proportioning of noble gases is
3:1-1.5, the sintering pressure in described step 8 is 0.5-15kpa, and described sintering time is 30-60min.
Priority Applications (1)
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CN201610765255.6A CN106348382A (en) | 2016-08-31 | 2016-08-31 | Fiber filter felt for photocatalytic sewage treatment and preparation method of fiber filter felt |
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CN201610765255.6A CN106348382A (en) | 2016-08-31 | 2016-08-31 | Fiber filter felt for photocatalytic sewage treatment and preparation method of fiber filter felt |
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CN201610765255.6A Pending CN106348382A (en) | 2016-08-31 | 2016-08-31 | Fiber filter felt for photocatalytic sewage treatment and preparation method of fiber filter felt |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107523900A (en) * | 2017-09-26 | 2017-12-29 | 成都新柯力化工科技有限公司 | A kind of efficient catalytic weaving filter cloth and preparation method for sewage disposal |
CN114146707A (en) * | 2020-09-07 | 2022-03-08 | 天津工业大学 | Preparation method of iron oxide film/glass fiber photo-assisted Fenton composite material |
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CN101855016A (en) * | 2007-08-08 | 2010-10-06 | 圣戈班石英有限公司 | The medium of photocatalytic filter |
CN102259947A (en) * | 2010-05-31 | 2011-11-30 | 上海图和环保材料科技有限公司 | Photocatalytic filter felt for processing sewage and preparation method thereof |
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2016
- 2016-08-31 CN CN201610765255.6A patent/CN106348382A/en active Pending
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CN101855016A (en) * | 2007-08-08 | 2010-10-06 | 圣戈班石英有限公司 | The medium of photocatalytic filter |
CN102259947A (en) * | 2010-05-31 | 2011-11-30 | 上海图和环保材料科技有限公司 | Photocatalytic filter felt for processing sewage and preparation method thereof |
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Title |
---|
崔玉民等: "《二氧化钛光催化技术》", 31 December 2010, 中国书籍出版社 * |
鞠剑峰等: "ZnO-TiO_2纳米纤维的制备及亚甲基蓝的太阳光催化降解", 《精细化工》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107523900A (en) * | 2017-09-26 | 2017-12-29 | 成都新柯力化工科技有限公司 | A kind of efficient catalytic weaving filter cloth and preparation method for sewage disposal |
CN107523900B (en) * | 2017-09-26 | 2018-10-09 | 上海名冠净化材料股份有限公司 | A kind of efficient catalytic weaving filter cloth and preparation method for sewage disposal |
CN114146707A (en) * | 2020-09-07 | 2022-03-08 | 天津工业大学 | Preparation method of iron oxide film/glass fiber photo-assisted Fenton composite material |
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Application publication date: 20170125 |