CN210683289U - Device for treating chlorine-containing organic wastewater through photocatalysis - Google Patents
Device for treating chlorine-containing organic wastewater through photocatalysis Download PDFInfo
- Publication number
- CN210683289U CN210683289U CN201921589935.2U CN201921589935U CN210683289U CN 210683289 U CN210683289 U CN 210683289U CN 201921589935 U CN201921589935 U CN 201921589935U CN 210683289 U CN210683289 U CN 210683289U
- Authority
- CN
- China
- Prior art keywords
- box body
- box
- photocatalytic
- chlorine
- containing organic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 33
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 17
- 239000000460 chlorine Substances 0.000 title claims abstract description 17
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 10
- 239000002351 wastewater Substances 0.000 title claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 14
- 230000003647 oxidation Effects 0.000 claims abstract description 13
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000010815 organic waste Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 21
- 238000003466 welding Methods 0.000 claims description 18
- 239000010955 niobium Substances 0.000 claims description 9
- 229910052758 niobium Inorganic materials 0.000 claims description 8
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 8
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 239000003381 stabilizer Substances 0.000 abstract description 5
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 239000013335 mesoporous material Substances 0.000 abstract description 4
- 238000013032 photocatalytic reaction Methods 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000012429 reaction media Substances 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 239000008346 aqueous phase Substances 0.000 abstract 1
- 239000010865 sewage Substances 0.000 description 13
- 239000012535 impurity Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000007599 discharging Methods 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Landscapes
- Catalysts (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a device of chlorine organic waste water is handled to photocatalysis, including stabilizer blade, box, feed liquor pipe, sealed rubber ring, wire hole, the stabilizer blade is installed the lower extreme four corners of box, the front end of box is provided with the feed liquor pipe, the rear end of box is provided with the drain pipe, the top shaping of box has the wire hole, install in the wire hole sealed rubber ring. The utility model discloses both sides at the photocatalytic oxidation board all are provided with ultraviolet lamp, can provide the required ultraviolet light intensity of photocatalytic reaction, make photocatalytic reaction fully go on, adopt Nb2O5 as reaction medium, have abundant water proofness surface acid position, make it possess high stable catalytic performance and high reuse performance in the aqueous phase system, the catalyst is difficult to run off, mesoporous material has great specific surface area, even aperture and regular pore distribute, make catalytic material surface activity site increase, improve photocatalytic activity.
Description
Technical Field
The utility model relates to a sewage treatment plant technical field especially relates to a device of chlorine organic waste water is handled to photocatalysis.
Background
The water treatment mode comprises physical treatment, chemical treatment and biological treatment. The mode of human being's water treatment has been quite a lot of years history, and the physical method includes utilizing the different filter media of various aperture sizes, utilizes absorption or separation mode, gets rid of the impurity in aquatic outside, and the more important person in the absorption mode is for adsorbing with active carbon, and separation method is to pass through the filter media with water, lets the impurity of bigger volume can't pass through, and then obtains comparatively clean water.
In addition, the physical methods also include precipitation methods, which are obtained by floating impurities with a smaller specific gravity on the water surface or precipitating impurities with a larger specific gravity below the water surface. The chemical method is to convert the impurities in water into substances which are less harmful to human bodies by various chemicals or concentrate the impurities, and the longest historical chemical treatment method can be that alum is added into water, and after the impurities in the water are collected, the volume is increased, and then the impurities can be removed by a filtration method. Biological treatment is a treatment method for purifying waste water by degrading organic pollutants in a dissolved state or a colloidal state in the waste water by utilizing the life activities of microorganisms. The biological wastewater treatment technology is favored by people due to the remarkable advantages of less consumption, high efficiency, low cost, convenient and reliable process operation management, no secondary pollution and the like.
However, some industrial organic waste waters contain toxic and stable contaminants such as CHCl3, CCl4, polychlorinated biphenyls, etc., and such waste waters are difficult to treat by conventional physical, chemical, and biological methods.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a device for treating chlorine-containing organic wastewater by photocatalysis.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a device of chlorine organic waste water is handled to photocatalysis, includes stabilizer blade, box, feed liquor pipe, sealed rubber ring, wire hole, the stabilizer blade is installed the lower extreme four corners of box, the front end of box is provided with the feed liquor pipe, the rear end of box is provided with the drain pipe, the top shaping of box has the wire hole, install in the wire hole sealed rubber ring, the place ahead of sealed rubber ring is in the top of box is provided with the blast pipe, the blast pipe with the box passes through welded connection, the inside of box is provided with first mounting panel, first mounting panel is in the inboard of box is provided with 3, install ultraviolet lamp on the first mounting panel, in the middle the both sides of first mounting panel all are provided with the second mounting panel, be provided with the photocatalysis oxidation board on the second mounting panel, the photocatalysis oxidation board contains niobium board, And the niobium pentoxide adhesion layers are arranged on two sides of the niobium plate.
Preferably: the box body is connected with the support legs in a welding mode.
So set up, the box is used for the sewage of splendid attire pending, makes through welded connection the box with it is reliable to connect between the stabilizer blade.
Preferably: the liquid inlet pipe is connected with the box body in a welding mode, and the liquid outlet pipe is connected with the box body in a welding mode.
So set up, through the feed liquor pipe to the inside sewage that lets in of box, the drain pipe is used for discharging the sewage after the processing, makes through welded connection the feed liquor pipe the drain pipe with firm in connection is reliable between the box.
Preferably: the first mounting plate with the box passes through welded connection, the second mounting plate with the box passes through welded connection.
So set up, first mounting panel is used for the installation fixed ultraviolet lamp, the second mounting panel is used for the installation fixed the photocatalysis oxidation board has ensured certain joint strength through welded connection.
Preferably: the first mounting plate and the second mounting plate are identical in external dimension and shape.
So set up, first mounting panel with the overall dimension of second mounting panel is unanimous, conveniently processes manufacturing.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the ultraviolet lamps are arranged on both sides of the photocatalytic oxidation plate and can provide ultraviolet light intensity required by photocatalytic reaction, so that the photocatalytic reaction is fully performed, and Nb is adopted2O5As a reaction medium, the mesoporous material has abundant water-resistant surface acid sites, so that the mesoporous material has high stable catalytic performance and high recycling performance in a water phase system, the catalyst is not easy to run off, the mesoporous material has larger specific surface area, uniform pore diameter and regular pore channel distribution, the surface active sites of the catalytic material are increased, and the photocatalytic activity is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of a first structure of an apparatus for photocatalytic treatment of chlorine-containing organic wastewater according to the present invention;
FIG. 2 is a schematic view of a second structure of the apparatus for photocatalytic treatment of chlorine-containing organic wastewater according to the present invention;
FIG. 3 is a schematic view of the internal structure of the apparatus for photocatalytic treatment of chlorine-containing organic wastewater according to the present invention;
FIG. 4 is a schematic view of the installation structure of the niobium plate and niobium pentoxide adhesion layer of the device for photocatalytic treatment of chlorine-containing organic wastewater of the present invention;
FIG. 5 is a schematic structural diagram of a second mounting plate of the device for photocatalytic treatment of wastewater containing chlorine and organic compounds.
The reference numerals are explained below:
1. a support leg; 2. a box body; 3. a liquid inlet pipe; 4. sealing the rubber ring; 5. a wire outlet hole; 6. an exhaust pipe; 7. a liquid outlet pipe; 8. a first mounting plate; 9. an ultraviolet lamp; 10. a second mounting plate; 11. a photocatalytic oxidation plate; 12. niobium sheet; 13. an adhesion layer of niobium pentoxide.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be further explained with reference to the accompanying drawings:
examples
As shown in figures 1-5, a device for photocatalytic treatment of chlorine-containing organic wastewater comprises support legs 1, a box body 2, a liquid inlet pipe 3, a sealing rubber ring 4 and wire outlet holes 5, wherein the support legs 1 are arranged at four corners of the lower end of the box body 2, the support legs 1 are used for supporting, the liquid inlet pipe 3 is arranged at the front end of the box body 2, the liquid outlet pipe 7 is arranged at the rear end of the box body 2, the liquid outlet pipe 7 is used for discharging treated sewage, the wire outlet holes 5 are formed at the top end of the box body 2, the sealing rubber ring 4 is arranged in the wire outlet holes 5, an exhaust pipe 6 is arranged at the top end of the box body 2 in front of the sealing rubber ring 4, the exhaust pipe 6 is used for exhausting gas generated in the reaction process, the exhaust pipe 6 is connected with the box body 2 in a welding manner, a first mounting plate 8 is arranged inside the box body 2, 3 first mounting plates 8 are arranged, the two sides of the middle first mounting plate 8 are provided with second mounting plates 10, the second mounting plates 10 are provided with photocatalytic oxidation plates 11, the photocatalytic oxidation plates 11 comprise niobium plates 12 and niobium pentoxide attachment layers 13, and the niobium pentoxide attachment layers 13 are arranged on the two sides of the niobium plates 12.
Preferably: the box body 2 is connected with the support legs 1 through welding, the box body 2 is used for containing sewage to be treated, and the box body 2 and the support legs 1 are connected firmly and reliably through welding; the liquid inlet pipe 3 is connected with the box body 2 in a welding mode, the liquid outlet pipe 7 is connected with the box body 2 in a welding mode, sewage is introduced into the box body 2 through the liquid inlet pipe 3, the liquid outlet pipe 7 is used for discharging the treated sewage, and the liquid inlet pipe 3, the liquid outlet pipe 7 and the box body 2 are connected firmly and reliably through the welding connection; the first mounting plate 8 is connected with the box body 2 in a welding mode, the second mounting plate 10 is connected with the box body 2 in a welding mode, the first mounting plate 8 is used for mounting and fixing the ultraviolet lamp 9, the second mounting plate 10 is used for mounting and fixing the photocatalytic oxidation plate 11, and certain connection strength is guaranteed through welding connection; the overall dimension and the shape of the first mounting plate 8 and the second mounting plate 10 are completely the same, and the overall dimension of the first mounting plate 8 and the second mounting plate 10 is the same, so that the processing and the manufacturing are convenient.
The utility model discloses aThe working principle and the using process are as follows: when in use, sewage is discharged into the box body 2 through the liquid inlet pipe 3, the ultraviolet lamp 9 is communicated with external power supply equipment, under the irradiation and the action of the ultraviolet lamp 9, the sewage is combined with the photocatalytic oxidation plate 11 to generate strong photocatalytic oxidation reaction with the niobium pentoxide attachment layer 13 on the photocatalytic oxidation plate, and CHCl in the sewage is treated3、CCl4Polychlorinated biphenyl and the like contain toxic and highly stable pollutants to be removed, gas generated in the reaction process can be discharged through the exhaust pipe 6, so that the gas is further treated, and sewage after dechlorination can be discharged through the liquid outlet pipe 7, so that the sewage is further treated and purified.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (5)
1. The utility model provides a device of chlorine organic waste water is handled to photocatalysis which characterized in that: the novel solar cell module comprises support legs (1), a box body (2), a liquid inlet pipe (3), a sealing rubber ring (4) and wire outlet holes (5), wherein the support legs (1) are installed at the four corners of the lower end of the box body (2), the front end of the box body (2) is provided with the liquid inlet pipe (3), the rear end of the box body (2) is provided with the liquid outlet pipe (7), the wire outlet holes (5) are formed in the top end of the box body (2), the sealing rubber ring (4) is installed in the wire outlet holes (5), an exhaust pipe (6) is arranged at the top end of the box body (2) in front of the sealing rubber ring (4), the exhaust pipe (6) is connected with the box body (2) in a welding mode, a first installation plate (8) is arranged inside the box body (2), 3 ultraviolet lamps (9) are arranged on the inner side of the box body (2) in the first installation plate (8), the middle both sides of first mounting panel (8) all are provided with second mounting panel (10), be provided with photocatalytic oxidation board (11) on second mounting panel (10), photocatalytic oxidation board (11) contain niobium board (12), niobium pentoxide and adhere to layer (13), niobium pentoxide adheres to layer (13) and sets up the both sides of niobium board (12).
2. The apparatus for photocatalytic treatment of chlorine-containing organic wastewater according to claim 1, characterized in that: the box body (2) is connected with the support legs (1) through welding.
3. The apparatus for photocatalytic treatment of chlorine-containing organic wastewater according to claim 1, characterized in that: the liquid inlet pipe (3) is connected with the box body (2) in a welding mode, and the liquid outlet pipe (7) is connected with the box body (2) in a welding mode.
4. The apparatus for photocatalytic treatment of chlorine-containing organic wastewater according to claim 1, characterized in that: the first mounting plate (8) is connected with the box body (2) in a welding mode, and the second mounting plate (10) is connected with the box body (2) in a welding mode.
5. The apparatus for photocatalytic treatment of chlorine-containing organic wastewater according to claim 1, characterized in that: the first mounting plate (8) and the second mounting plate (10) are identical in external size and shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921589935.2U CN210683289U (en) | 2019-09-24 | 2019-09-24 | Device for treating chlorine-containing organic wastewater through photocatalysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921589935.2U CN210683289U (en) | 2019-09-24 | 2019-09-24 | Device for treating chlorine-containing organic wastewater through photocatalysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210683289U true CN210683289U (en) | 2020-06-05 |
Family
ID=70903295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921589935.2U Active CN210683289U (en) | 2019-09-24 | 2019-09-24 | Device for treating chlorine-containing organic wastewater through photocatalysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210683289U (en) |
-
2019
- 2019-09-24 CN CN201921589935.2U patent/CN210683289U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101786689A (en) | Membrane separation concentrated water treatment method and integral coupling device | |
| CN205368041U (en) | Ultraviolet -ozone catalytic oxidation wastewater treatment device | |
| CN104118966A (en) | A three-dimensional electric-biology-coupled water purification system with gas and water flowing at different directions and a water purification method | |
| CN210683289U (en) | Device for treating chlorine-containing organic wastewater through photocatalysis | |
| CN211471172U (en) | Organic wastewater treatment system | |
| CN107673512A (en) | A kind of multiple purifying sewage disposal device | |
| CN112321034A (en) | Device and method for synchronously electrolyzing/membrane separating/advanced oxidizing and cooperatively treating ammonium sulfate-containing wastewater and organic wastewater | |
| CN206955717U (en) | A kind of ultraviolet photocatalyst Treated sewage reusing device of Novel electrolytic | |
| CN108178286B (en) | Device and method for cooperatively treating sewage and wastewater by three-dimensional electrode biomembrane and photoelectric reoxygenation | |
| CN213231883U (en) | Device for treating wastewater based on physical adsorption coupling photo-Fenton oxidation technology | |
| CN103214133B (en) | Graphene sewage purification combined device and sewage purification method thereof | |
| CN206142977U (en) | Effluent treatment plant is united in ultrasonic wave ultraviolet ray | |
| CN113415859B (en) | System for removing chlorophenol organic matters through electro-adsorption based on renewable activated carbon fibers | |
| CN212246377U (en) | Pollutant catalytic oxidation degradation equipment | |
| CN204874130U (en) | Comprehensive pretreatment systems of carbide chloroprene rubber waste water, sulfanilamide (SN) waste water and chlor -alkali waste water | |
| CN208166766U (en) | A kind of ultraviolet photocatalyst Treated sewage reusing equipment of electrolysis | |
| CN104773883A (en) | Method for purifying persistent organic pollutants in water employing photoelectric air floatation combination | |
| CN213834870U (en) | Ammonia nitrogen wastewater treatment device | |
| CN212403813U (en) | Sewage treatment system based on environmental protection | |
| CN213446721U (en) | Sewage treatment device based on electrochemistry and biofiltration | |
| CN211170326U (en) | Device to industrial waste water advanced treatment | |
| CN215798927U (en) | Ecological duck processing effluent treatment plant | |
| CN216441369U (en) | Double-paddle double-tank leaching oxidation reactor | |
| CN215327368U (en) | Photocatalytic oxidation regeneration active carbon sewage advanced treatment equipment | |
| CN116514329B (en) | Method and system for synchronously separating and increasing carbon and nitrogen in sewage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Tianyi new material Co.,Ltd. Assignor: JINHUA College OF PROFESSION AND TECHNOLOGY Contract record no.: X2024980010107 Denomination of utility model: A device for photocatalytic treatment of organic wastewater containing chlorine Granted publication date: 20200605 License type: Common License Record date: 20240718 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Zhonghou Dairy Co.,Ltd. Assignor: JINHUA College OF PROFESSION AND TECHNOLOGY Contract record no.: X2024980010128 Denomination of utility model: A device for photocatalytic treatment of organic wastewater containing chlorine Granted publication date: 20200605 License type: Common License Record date: 20240719 Assignee: Jinhua Jiayuan Dairy Co.,Ltd. Assignor: JINHUA College OF PROFESSION AND TECHNOLOGY Contract record no.: X2024980010126 Denomination of utility model: A device for photocatalytic treatment of organic wastewater containing chlorine Granted publication date: 20200605 License type: Common License Record date: 20240719 Assignee: Jinhua Haoyuan Dairy Co.,Ltd. Assignor: JINHUA College OF PROFESSION AND TECHNOLOGY Contract record no.: X2024980010125 Denomination of utility model: A device for photocatalytic treatment of organic wastewater containing chlorine Granted publication date: 20200605 License type: Common License Record date: 20240719 Assignee: Zhejiang qunbang door industry Co.,Ltd. Assignor: JINHUA College OF PROFESSION AND TECHNOLOGY Contract record no.: X2024980010121 Denomination of utility model: A device for photocatalytic treatment of organic wastewater containing chlorine Granted publication date: 20200605 License type: Common License Record date: 20240719 Assignee: Zhejiang Jinhua Huatai Industrial Co.,Ltd. Assignor: JINHUA College OF PROFESSION AND TECHNOLOGY Contract record no.: X2024980010118 Denomination of utility model: A device for photocatalytic treatment of organic wastewater containing chlorine Granted publication date: 20200605 License type: Common License Record date: 20240719 |