WO2004096441A1 - 光触媒モジュール及びその製造方法並びに被処理水の浄化処理装置 - Google Patents
光触媒モジュール及びその製造方法並びに被処理水の浄化処理装置 Download PDFInfo
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- WO2004096441A1 WO2004096441A1 PCT/JP2004/005297 JP2004005297W WO2004096441A1 WO 2004096441 A1 WO2004096441 A1 WO 2004096441A1 JP 2004005297 W JP2004005297 W JP 2004005297W WO 2004096441 A1 WO2004096441 A1 WO 2004096441A1
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- WIPO (PCT)
- Prior art keywords
- water
- treated
- ultraviolet lamp
- photocatalyst
- ultraviolet
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 97
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000004140 cleaning Methods 0.000 title abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 73
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 35
- 238000000746 purification Methods 0.000 claims description 36
- 239000011521 glass Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 230000001699 photocatalysis Effects 0.000 claims description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 11
- 239000010936 titanium Substances 0.000 claims description 11
- 229910052719 titanium Inorganic materials 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 4
- 230000001788 irregular Effects 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 238000005488 sandblasting Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 230000001681 protective effect Effects 0.000 abstract description 11
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 239000000463 material Substances 0.000 description 17
- 239000000758 substrate Substances 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- 229920000049 Carbon (fiber) Polymers 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 4
- 230000001771 impaired effect Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000534944 Thia Species 0.000 description 1
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000005624 silicic acid group Chemical group 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
Classifications
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3223—Single elongated lamp located on the central axis of a turbular reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3227—Units with two or more lamps
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Definitions
- the present invention relates to an apparatus for purifying water to be treated using ultraviolet light for improving purification efficiency.
- an ultraviolet lamp is passed through the center of the treatment tube, and a metal wire bundle, a metal wire nonwoven fabric, a substrate made of carbon fiber, and a metal plating are applied around the lamp.
- a photocatalyst module with a titanium dioxide-supporting layer provided on the surface of a base material made of carbon fiber is loaded and irradiated with ultraviolet rays in the wavelength range of 200 to 365 mm from an ultraviolet lamp provided in the center of the processing tube.
- an apparatus for purifying water to be treated that passes through it in contact with water (JP-A-11-77031). '
- an ultraviolet lamp passed through the center of the processing tube by a photocatalyst module having a titanium dioxide supporting layer provided on a substrate having a large number of water holes is provided.
- a device for purifying the water to be treated that irradiates the photocatalyst module by irradiating the same with water (JP-A-2001-137842).
- the ultraviolet light is applied to the photocatalyst module filled around the ultraviolet light from the ultraviolet lamp provided in the center of the processing tube, so that the ultraviolet light is applied to only one surface of the photocatalytic module.
- the disadvantage is that the purification efficiency of the water to be treated is impaired. You.
- the irradiation distance of the ultraviolet rays in the wavelength region of 200 to 350 mm is about 1 mm, so that the further away from the ultraviolet lamp, the harder the ultraviolet rays reach the photocatalyst module. Therefore, there is a disadvantage that the purification efficiency of the water to be treated is impaired.
- the present invention provides an outer cylinder around the protection tube of the first ultraviolet lamp, fills a gap between the protection tube and the outer tube with a photocatalyst module, and allows the water to be treated to flow around the first ultraviolet lamp.
- An object of the present invention is to provide a purification device for water to be treated, which has a water passage and a second ultraviolet lamp provided on the outer periphery of an outer cylinder.
- the water to be treated sent into the water passage passes through the water passage while being in contact with the photocatalyst module, and during this time, the ultraviolet light from the first ultraviolet lamp and the second ultraviolet lamp comes from inside and outside the water passage.
- the water to be treated is purified by the irradiation.
- an outer cylinder is provided around the protection tube of the first ultraviolet lamp, and a photocatalyst module is filled in a gap between the protection tube and the outer tube, and the surroundings of the first ultraviolet lamp are provided.
- a water passage for the water to be treated is formed, and a plurality of first ultraviolet lamps around which a water passage for the water to be treated is formed are juxtaposed at predetermined intervals, and the outside of the first ultraviolet lamp is provided.
- the water to be treated is sent to water passages formed around the first UV lamps arranged side by side, and the water to be treated flows through these arranged water passages while contacting the photocatalyst module. While passing through, the first and second ultraviolet lamps irradiate ultraviolet rays from inside and outside of the water passage to purify the water to be treated.
- the water to be treated sequentially passes through the water passages arranged side by side through the connection pipes, and during this time, the water to be treated is firstly supplied from inside and outside the water passage. Since the water to be treated is purified by receiving the irradiation of the ultraviolet lamp from the ultraviolet lamp and the second ultraviolet lamp and the irradiation of the ultraviolet light is performed for a longer time, a sufficient purification treatment can be performed.
- the more the number of the second ultraviolet lamps that irradiates the water to be treated passing around the first ultraviolet lamps from the outside with ultraviolet rays the more effective the number of the second ultraviolet lamps is.
- a part of the ultraviolet light from the second ultraviolet lamp is radiated to the photocatalyst module arranged and filled in the water passage or the water pipe through the reflector. Since a large number of photocatalyst modules arranged and filled in the passage of the water to be treated are irradiated with ultraviolet light from the first ultraviolet lamp, both surfaces of the photocatalyst module are irradiated with ultraviolet light, and no matter where the photocatalyst module is located. Therefore, in the present invention, the photocatalyst module is uniformly irradiated with the ultraviolet light, and the purification efficiency of the water to be treated is impaired. No.
- an ultraviolet lamp such as a high-pressure mercury lamp that generates high-frequency ultraviolet light or a low-pressure mercury lamp that generates low-frequency ultraviolet light can be used.
- an ultraviolet light having a wavelength range of 200 to 350 mm is used. Is used.
- the width of the water channel formed around the first ultraviolet lamp is the same as the width of the first ultraviolet lamp and the second purple lamp.
- the range is preferably 4 mm to 9 mm in consideration of the irradiation distance of the ultraviolet ray from the external lamp, the flow rate of the water to be treated, and the like.
- a titanium dioxide catalyst or a titanium dioxide catalyst with a promoter such as platinum added thereto and supported on the substrate surface, or a silicic acid group composite oxide having a photocatalytic function Nonwoven fabric of fibers Japanese Patent No. 3436267.
- the base material used here may be metal, stainless steel, titanium teflon (Teflon is a registered trademark), carbon fiber, or hard glass such as quartz glass or silica sand glass, or soft glass such as soda glass.
- a glass chip made of a material can be used.
- the first ultraviolet lamp is disposed inside the photocatalyst module filled and arranged in the water passage, and the second ultraviolet lamp is further disposed outside the photocatalyst module, and ultraviolet light is irradiated from both sides of the photocatalyst module.
- the photocatalyst module with a titanium dioxide support layer on the surface of a quartz glass chip is used, the photocatalyst provided in the water channel only needs to be equipped with a first ultraviolet lamp inside. UV light can be evenly applied to the module.
- the quartz glass chip is transparent to visible light or ultraviolet light, so that the ultraviolet light of the first ultraviolet lamp is irradiated from the outside of the chip to the titanium dioxide supporting layer and also passes through the inside of the chip. Irradiation is performed on the titanium dioxide supporting layer. Therefore, the titanium dioxide supporting layer on the entire surface of the chip can be irradiated with ultraviolet rays.
- the second ultraviolet lamp is arranged outside the photocatalyst module provided in the water passage, it is needless to say that there is a further ultraviolet irradiation effect. If one or more through-holes are formed in the quartz glass chip, the water to be treated can contact the non-contacting titanium dioxide supporting layer through the through-holes. Efficiency can be increased.
- a spherical shape, another irregular shape, a circular or square column, or the like can be used as the shape of the glass chip.
- a photocatalyst module having a circular or square pillar-shaped glass chip as a base material is arranged in the gap between the protective tube and the outer cylinder of the first ultraviolet lamp in the longitudinal direction along the ultraviolet lamp so that the water to be treated can be appropriately treated.
- a packed layer of a photocatalyst module having a simple flow path can be easily formed.
- a method of providing a titanium dioxide supporting layer on the surface of the base material a method of immersing the base material in a titanium thiazonizole oxynitride solution and baking at a high temperature of, for example, about 400 to 600 ° C to form anatase is adopted.
- a high temperature for example, about 400 to 600 ° C to form anatase is adopted.
- the surfaces of stainless steel, glass chips, etc. are smooth, it is difficult to carry titanium dioxide, and the titanium dioxide carrying layer often peels off during the contact reaction with the water to be treated.
- the surface is roughened by an acid treatment such as hydrofluoric acid or a sand plate treatment, and then immersed in a titanium thiazion dioxide solution and calcined at a high temperature to form anatase. Can be adopted.
- the titanium dioxide is firmly supported on the roughened substrate surface, so that the titanium dioxide-supported layer is not peeled off even during the contact reaction with the water to be treated.
- the surface area of the titanium dioxide supporting layer is increased by supporting on the surface of the substrate subjected to the sandplast treatment.
- the irradiation area of the ultraviolet ray is also increased, and the irradiation efficiency can be increased. For example, it can be increased by about 30% compared to the case where no sandplast treatment is performed.
- the above-described high-temperature firing is preferably performed at a temperature at which the surface of the glass does not thermally melt.
- a method having a plurality of holes having a central through-hole is known as another method of forming a packed layer of a photocatalyst module based on a quartz glass columnar chip around a first ultraviolet lamp through which water to be treated passes. It is possible to adopt a method in which a plurality of photocatalyst modules are mounted on the base while the first ultraviolet lamps are provided in the through holes of the side-by-side bases.
- a disc made of a non-corrosive metal such as stainless steel or titanium having a through hole at the center can be used as the base.
- a plurality of photocatalyst modules are placed on the disc, for example, at the center through hole. It can be loaded radially around the hole.
- a chip on which a titanium dioxide supporting layer is formed in advance as described above may be loaded on the base, but after the chip is loaded on the base, a suspension of titanium dioxide is added to each base. It is also possible to use a product in which a titanium dioxide supporting layer is formed on the surface of the chip and the base by firing at a high temperature after being immersed in the substrate.
- Still another method for forming a packed layer of a photocatalyst module based on a quartz glass columnar chip as a base around a first ultraviolet lamp through which water to be treated passes is to use two sheets having a through hole at the center.
- a base is juxtaposed, a first ultraviolet lamp is installed in a through hole provided at the center of the juxtaposed base, a photocatalyst module is arranged around the first ultraviolet lamp, and A method of clamping between bases can be adopted.
- the photocatalyst module is provided to face the first ultraviolet lamp, ultraviolet light emitted from the lamp is transmitted through the quartz glass chip, and the titanium dioxide carrier formed on the surface of the quartz glass chip is supported.
- the layer is exposed to ultraviolet radiation from the outside and inside of the quartz glass chip and enhances the photocatalytic action of titanium dioxide.
- the ultraviolet emitted from the center of the first ultraviolet lamp reach inner wall of the apparatus, preferably be arranged only along inner walls of the apparatus relatively possible a longer photocatalyst module les, 0
- the water to be treated sent into the apparatus mainly passes through the space between the central through holes in which the first ultraviolet lamps are installed, and flows in the outlet direction. Although the water is sent out, a large number of water holes may be formed in the base and the holes may be passed through.
- FIG. 1 is a diagram showing a manufacturing process of a columnar photocatalyst module
- FIG. 2 is a diagram showing an example of a base material used for a heteromorphic columnar photocatalyst module
- FIG. 3 is a diagram showing a manufacturing process of a heteromorphic columnar photocatalyst module.
- 4 is a partially cutaway perspective view (A) and a sectional view (B) showing another example of the photocatalyst module
- FIG. 5 is a partially cutaway perspective view (A) and a sectional view showing still another example of the photocatalyst module. (B) and FIG.
- FIGS. 8A and 8B show another embodiment of the apparatus for purifying water to be treated, wherein FIG. 8A is a longitudinal side view, FIG. 8B is a plan view, and FIG. shows the embodiment, (a) shows the longitudinal sectional side view, (b) is a plan view, FIG. 9 is purification of the water to be treated according to the invention
- FIG. 10 is a cross-sectional view taken along the line AA of the above
- FIG. 11 is a cross-sectional view taken along the line B-B of the same.
- FIG. 13 is an overall view of a treatment system for water to be treated using a columnar photocatalyst module
- Fig. 13 is a partially cutaway plan view of a base loaded with the columnar photocatalyst module used in the device of Fig. 12, and
- Fig. 14 is FIG. 15 is a cross-sectional view taken along the line C-C
- FIG. 15 is an overall view of another purification treatment apparatus for the water to be treated using the columnar photocatalyst module according to the present invention
- FIG. 18 is a plan view of another base used in the apparatus of FIG. 15, and
- FIG. 19 is water to be treated using the columnar photocatalyst module according to the present invention.
- FIG. 20 is a sectional view taken along line DD of FIG. 19, and
- FIG. 21 is a sectional view taken
- Figure 1 shows the manufacturing process of the cylindrical photocatalyst module 4, 3 mm diameter quartz glass-made cylindrical base material 4a (A) to 3 ⁇ 7Kg / cm 2 of air is blown for 5 minutes sandblasting DOO After treatment to form an uneven surface on the surface of the substrate 4a (B), the substrate is immersed in a thiazirnisotitanium oxide solution, baked at a high temperature of 400 to 600 ° C, and anatase-ized to form a dioxide on the surface of the substrate. This forms the titanium-carrying layer 4b (C).
- a cylindrical material, a hexagonal material, and a triangular material having grooves formed at predetermined intervals in the vertical direction as shown in FIG. can be
- Fig. 4 shows an example in which a through hole 4c is formed inside a quartz glass chip 4a
- Fig. 5 shows an example in which two or more through holes 4c, 4c having different directions are formed in a quartz glass chip 4a. According to this, the water to be treated also passes through the respective through holes, so that the photocatalytic action of the photocatalytic module 4 can be increased.
- FIG. 6 shows a purification device for water to be treated filled with a cylindrical photocatalyst module.
- a first ultraviolet lamp provided with a protective tube 2 made of a transparent body made of quartz glass, and a transparent body made of quartz glass or the like at a predetermined interval around the outer circumference of the protective tube 2 of the first ultraviolet lamp 1.
- a cylindrical photocatalyst module 4,... Manufactured by the above-described method is arranged and filled in the gap between the protective tube 2 and the outer cylinder 3 in the longitudinal direction along the first ultraviolet lamp 1.
- a water passage 5 for water to be treated is formed around the first ultraviolet lamp 1, and second ultraviolet lamps 6, 6 are arranged on the outer periphery of the outer cylinder 3 on the left and right.
- the processing unit configured as described above is surrounded by a reflecting mirror 7 surrounding the outside, and is housed in an outer case 8.
- the water to be treated is sent into the water passage 5 from the inlet 9, rises while contacting the photocatalyst modules 4,... in the water passage 5, and is discharged from the outlet 10.
- Ultraviolet rays (wavelength range: 200 to 350 mm) are irradiated from the inside and outside of the water passage 5 from the first ultraviolet lamp 1 and the second ultraviolet lamps 6 and 6 to purify the water to be treated.
- the width of the water passage 5 of the water to be treated was 4 mm
- the yules 4,... are vertically arranged and filled in the water passage along the first ultraviolet lamp 1.
- a flow passage having an appropriate width is formed between the protective tube 2 and the outer cylinder 3.
- the photocatalyst modules 4 are filled.
- the photocatalyst module is formed by subjecting a silica glass columnar base material to sand-plasting and then forming a titanium dioxide supporting layer.
- the carrier layer is not peeled off.
- FIG. 7 shows another embodiment of the apparatus for purifying water to be treated according to the present invention.
- the photocatalyst modules 4,... Filled in the gap between the protective tube 2 and the outer tube 3 are made of quartz glass. 6 except that it is a photocatalyst module in which titanium dioxide is supported on the surface of various irregularly shaped columnar base materials made of the same. Therefore, the same reference numerals are given and the description is omitted.
- the water to be treated When purifying the water to be treated, the water to be treated is passed through the gap between the protective tube 2 and the outer cylinder 3 and irradiated with ultraviolet rays from the first ultraviolet lamp 1 and the second ultraviolet lamps 6 and 6 respectively.
- the column between the protective tube 2 and the outer tube 3 is filled with various irregularly shaped columnar modules 4,... Along the first ultraviolet lamp 1.
- the turbulence is caused in the passing water to be treated, so that the efficiency of the purification treatment by ultraviolet irradiation can be promoted.
- Fig. 8 shows a non-woven fabric of silica-based composite oxide fiber having a photocatalytic function, a metal-based, stainless steel, titanium teflon, carbon fiber, etc., filled with a photocatalyst module 4 provided with a titanium dioxide supporting layer on the surface. It shows a purification device for treated water.
- the water to be treated passes through the fibers of the photocatalyst modules 4,... while passing through the protection tube 2.
- Ultraviolet rays are radiated from the first ultraviolet lamp 1 from the inside and from the second ultraviolet lamps 6 from the outside while passing through the gap between the outer cylinders 3 to purify the water to be treated.
- FIG. 9 shows another embodiment of the present invention.
- la, lb, lc, and ld are first ultraviolet lamps arranged side by side with a predetermined gap therebetween.
- Outer cylinders 3a, 3b, 3c, 3d are provided at predetermined intervals around the outer circumference of protective tubes 2a, 2b, 2c, 2d of la, lb, lc, ld, and the photocatalyst modules 4,.
- the treated water passages 5a, 5b, 5c, and 5d are formed around the first ultraviolet lamps la, lb, lc, and ld, respectively, and the adjacent treated water passages 5a, 5b, 5c, and 5d are formed.
- the upper and lower ends are connected by U-shaped tubes 11, 11, and the second ultraviolet lamps 6a, 6b, 6c are interposed between the outer tubes 3a, 3b, 3c, 3d.
- processing unit configured as described above has its upper end and lower end fixed in the reflecting mirror body 7 via the mounting brackets 12 and 12 and further housed in the outer case 8.
- a meandering water passage is formed by connecting the upper and lower ends of the adjacent water passages 5a, 5b, 5c, 5d with U-shaped pipes 11, 11. Therefore, the water to be treated is sent from the inlet 9 in the order of the water passages 5a, 5b, 5c, 5d while being in contact with the photocatalyst modules 4,... And discharged from the outlet 10, while the water passages 5a, 5b, 5c, Ultraviolet rays are radiated from inside and outside of 5d from the first ultraviolet lamp 1 and the second ultraviolet lamps 6, 6 to purify the water to be treated. Therefore, in the present invention, the water to be treated is irradiated with the ultraviolet rays for a long time regardless of the compact apparatus configuration, so that the treatment of the water to be treated can be performed extremely effectively.
- FIG. 12 shows a plurality of bases 20 having a through hole 21 in the center, and a first ultraviolet ray in the through hole 21.
- This shows a purification apparatus for water to be treated, in which a line lamp 1 is installed and a columnar photocatalyst module 4,... Is mounted on a base 20,.
- the base 20 is a disc made of stainless steel in this embodiment.
- a through hole 21 for the first ultraviolet lamp 1 is formed in the center of the base 20, and through holes for the support rod 22 are formed at four corners. 23 are formed, and a large number of water passage holes 24 are formed on the surface thereof, and the photocatalyst modules 4,... Are radially mounted around the through hole 21 on the upper and lower surfaces thereof.
- the base 20 is immersed in a thiazole solution, and further baked at a high temperature of 400 to 600 ° C. to produce quartz glass.
- a titanium dioxide supporting layer 4b is formed on the surface of the chip 4a and the base 20. That is, the photocatalyst modules 4,... Are obtained by forming the titanium dioxide supporting layer 4b on the surface of the quartz glass chip 4a.
- the water to be treated is fed into the apparatus through an inlet 26 provided at the lower end of the processing apparatus main body 25, and rises along the first ultraviolet lamp 1 through the through holes 21, the water holes 24, etc. It is discharged outside through an outlet 27 provided at the upper end of the main body 25.
- ultraviolet light having a wavelength of about 253.7 mm is irradiated from the first ultraviolet lamp 1, and the water to be treated is irradiated with the ultraviolet light, and is further combined with the photocatalytic action of the titanium dioxide supported on the support layer 4b.
- the treatment of the water to be treated is effectively performed.
- Figure 15 shows a single or double line around the first UV lamp 1 along the UV lamp insertion direction.
- This shows a purification device for water to be treated in which photocatalyst modules 4, ',... Specifically, a plurality of bases 29,... Having a through hole 21 in the center are juxtaposed at predetermined intervals, and the first ultraviolet lamp 1 is inserted into the through holes 21 of the juxtaposed bases 29,.
- photocatalyst modules 4, ' Specifically, a plurality of bases 29,... Having a through hole 21 in the center are juxtaposed at predetermined intervals, and the first ultraviolet lamp 1 is inserted into the through holes 21 of the juxtaposed bases 29,.
- a plurality of columnar photocatalyst modules 4,... are arranged between the adjacent bases 29, 29.
- the base 29 is a disk made of stainless steel, and the base 29 is formed with a through hole 21 for the first ultraviolet lamp 1 at the center, similarly to the base 20, and supporting rods 22 are provided at the four corners. Are formed, and mounting holes 30,... Are formed at equal intervals along the inside thereof.
- the bases 29,... Configured as described above are vertically stacked at predetermined intervals, and the mounting holes 30,. Attach the ends of quartz glass chips 4a,.
- the bases 29, ... loaded with quartz glass chips 4a,... are immersed in thianisol solution, and then fired at a high temperature of 400 to 600 ° C, and the quartz glass chips 4a, base 29,... A titanium dioxide supporting layer 4b is formed on the surface of the substrate. That is, the photocatalyst modules 4,... Are obtained by forming the titanium dioxide supporting layer 4b on the surface of the quartz glass chip 4a.
- the support rod 22 is inserted into the through holes 23 formed at the four corners of the bases 29,..., And the first ultraviolet lamp 1 is installed in the central through hole 21 so that the inside of the processing apparatus main body 25 is formed.
- a single photocatalyst module 4,... is arranged around the first ultraviolet lamp 1 along the longitudinal direction in the processing device 25.
- the water to be treated is sent into the apparatus through an inlet 26 provided at the lower end of the processing apparatus main body 25 in the same manner as in the above-described processing apparatus. And is discharged outside through an outlet 27 provided at the upper end of the processing apparatus main body 25.
- ultraviolet light having a wavelength of about 253.7 mm is irradiated from the first ultraviolet lamp 1, and the water to be treated is irradiated with the ultraviolet light, and is further combined with the photocatalytic action of the titanium dioxide supported on the support layer 4b.
- the purification treatment of the water to be treated is performed.
- the photocatalyst modules 4,... are arranged around the first ultraviolet lamp 1 as much as possible along the inner wall of the processing apparatus main body 25.
- Ultraviolet rays emitted from the first ultraviolet lamp 1 reach the inner wall of the processing apparatus main body 25 without being obstructed by anyone, so that more effective treatment of the water to be treated is performed as compared to the above processing apparatus. .
- 19 to 21 show that a plurality of first ultraviolet lamps 1,... Are installed inside, and a single or double or more columnar photocatalyst module is arranged around the first ultraviolet lamps 1,.
- a purification device for water to be treated is shown in which a stirring device is arranged at the center of a plurality of first ultraviolet lamps installed.
- the first ultraviolet lamps 1 are installed in the through holes 21,. Attach both ends of multiple columnar photocatalyst modules 4,... in the holes, and hold photocatalyst modules 4,... between adjacent bases 29, 29 Is what you do.
- a motor 33 for rotating the shaft 32 of the stirring device 31,... Is provided outside the processing device body 25, and a pulley 34 provided at the upper end of the shaft 32 and a motor pulley 35 are connected by a chain belt 36.
- the water to be treated is sent into the apparatus through an inlet 26 provided at the lower end of the processing apparatus main body 25, as in the above-described processing apparatus, and passes through the through holes 21 and the like along the first ultraviolet lamps 1,. It rises and is discharged to the outside through an outlet 27 provided at the upper end of the processing apparatus main body 25.
- ultraviolet light having a wavelength of about 253.7 mm is irradiated from the first ultraviolet lamp 1, and the water to be treated is irradiated with the ultraviolet light, and is further combined with the photocatalytic action of the titanium dioxide supported on the support layer 4b.
- the water to be treated is stirred by the stirrers 31,... And becomes turbulent and comes into contact with the surface of the photocatalyst modules 4,. An effective purification process can be performed.
- ozone may be supplied from the ozone diffuser 37 provided at the bottom of the treatment apparatus main body 25.
- a drain pipe 38 is provided at the bottom of the processing apparatus main body 25.
- the present invention it is possible to perform an extremely effective purification treatment of the water to be treated by ultraviolet irradiation.
- a photocatalyst module in which a titanium dioxide catalyst is firmly supported on the surface of a quartz glass chip is used, in the purification treatment of the water to be treated using the photocatalytic action of titanium dioxide by irradiating ultraviolet rays, the carbon dioxide is generated during the treatment.
- the treatment of the water to be treated can be performed without separation of the titanium catalyst.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physical Water Treatments (AREA)
- Catalysts (AREA)
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2003-113964 | 2003-04-18 | ||
JP2003113964A JP2006181394A (ja) | 2003-04-18 | 2003-04-18 | 光触媒モジュールとその製造方法及びこれを用いた被処理水の処理装置 |
JP2004006205A JP2006142118A (ja) | 2004-01-14 | 2004-01-14 | 被処理水の浄化処理装置 |
JP2004-6205 | 2004-01-14 |
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WO2004096441A1 true WO2004096441A1 (ja) | 2004-11-11 |
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PCT/JP2004/005297 WO2004096441A1 (ja) | 2003-04-18 | 2004-04-14 | 光触媒モジュール及びその製造方法並びに被処理水の浄化処理装置 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006112493A1 (ja) * | 2005-04-15 | 2006-10-26 | Lizer Industry Co., Ltd | 光触媒モジュールとこれを用いた被処理気体乃至液体の浄化処理装置 |
EP3045430A1 (en) * | 2015-01-19 | 2016-07-20 | Acciona Agua, S.A. | Photocatalytic reactor for water decontamination |
CN107082470A (zh) * | 2017-06-26 | 2017-08-22 | 王子林 | 太阳能生态浮岛光催化污水处理好氧池 |
FR3132297A1 (fr) * | 2022-02-02 | 2023-08-04 | Enthal.P | Dispositif de traitement d’un fluide circulant sous pression par rayonnement ultraviolet |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2006112493A1 (ja) * | 2005-04-15 | 2006-10-26 | Lizer Industry Co., Ltd | 光触媒モジュールとこれを用いた被処理気体乃至液体の浄化処理装置 |
EP3045430A1 (en) * | 2015-01-19 | 2016-07-20 | Acciona Agua, S.A. | Photocatalytic reactor for water decontamination |
CN107082470A (zh) * | 2017-06-26 | 2017-08-22 | 王子林 | 太阳能生态浮岛光催化污水处理好氧池 |
FR3132297A1 (fr) * | 2022-02-02 | 2023-08-04 | Enthal.P | Dispositif de traitement d’un fluide circulant sous pression par rayonnement ultraviolet |
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