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 PDF

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Publication number
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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CN201610765255.6A
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Chinese (zh)
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朱凤兮
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Individual
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • 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
    • B01J23/06Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of zinc, cadmium or mercury
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39Photocatalytic properties
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds

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  • 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

A kind of photocatalysis sewage is processed with fiber filter felt and preparation method thereof
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.
CN201610765255.6A 2016-08-31 2016-08-31 Fiber filter felt for photocatalytic sewage treatment and preparation method of fiber filter felt Pending CN106348382A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
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
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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