CN113233576B - Device and method for treating low-temperature low-turbidity high-color high-organic matter sewage by optical fiber photocatalysis - Google Patents
Device and method for treating low-temperature low-turbidity high-color high-organic matter sewage by optical fiber photocatalysis Download PDFInfo
- Publication number
- CN113233576B CN113233576B CN202110445707.3A CN202110445707A CN113233576B CN 113233576 B CN113233576 B CN 113233576B CN 202110445707 A CN202110445707 A CN 202110445707A CN 113233576 B CN113233576 B CN 113233576B
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- layer
- sewage
- lanio
- purifying
- 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
- 239000013307 optical fiber Substances 0.000 title claims abstract description 89
- 239000010865 sewage Substances 0.000 title claims abstract description 57
- 239000005416 organic matter Substances 0.000 title claims abstract description 23
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 23
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 12
- 230000003197 catalytic effect Effects 0.000 claims abstract description 33
- 230000003647 oxidation Effects 0.000 claims abstract description 28
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 28
- 239000011664 nicotinic acid Substances 0.000 claims abstract description 25
- 241000196324 Embryophyta Species 0.000 claims abstract description 21
- 230000008827 biological function Effects 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000002002 slurry Substances 0.000 claims description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 238000000746 purification Methods 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000004729 solvothermal method Methods 0.000 claims description 6
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 239000005002 finish coating Substances 0.000 claims description 5
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims description 5
- 239000011943 nanocatalyst Substances 0.000 claims description 5
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims description 5
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- LZDKZFUFMNSQCJ-UHFFFAOYSA-N 1,2-diethoxyethane Chemical compound CCOCCOCC LZDKZFUFMNSQCJ-UHFFFAOYSA-N 0.000 claims description 3
- YEYKMVJDLWJFOA-UHFFFAOYSA-N 2-propoxyethanol Chemical compound CCCOCCO YEYKMVJDLWJFOA-UHFFFAOYSA-N 0.000 claims description 3
- 108010010803 Gelatin Proteins 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- 239000008273 gelatin Substances 0.000 claims description 3
- 229920000159 gelatin Polymers 0.000 claims description 3
- 235000019322 gelatine Nutrition 0.000 claims description 3
- 235000011852 gelatine desserts Nutrition 0.000 claims description 3
- 239000004584 polyacrylic acid Substances 0.000 claims description 3
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 2
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 2
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 2
- 241000877463 Lanio Species 0.000 claims 8
- HCGFUIQPSOCUHI-UHFFFAOYSA-N 2-propan-2-yloxyethanol Chemical compound CC(C)OCCO HCGFUIQPSOCUHI-UHFFFAOYSA-N 0.000 claims 2
- 238000001311 chemical methods and process Methods 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000006731 degradation reaction Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 12
- 238000005406 washing Methods 0.000 description 12
- 238000005265 energy consumption Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 244000236458 Panicum colonum Species 0.000 description 4
- 235000015225 Panicum colonum Nutrition 0.000 description 4
- 238000007605 air drying Methods 0.000 description 4
- 238000001354 calcination Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 2
- 229910002340 LaNiO3 Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- RVLXVXJAKUJOMY-UHFFFAOYSA-N lanthanum;oxonickel Chemical compound [La].[Ni]=O RVLXVXJAKUJOMY-UHFFFAOYSA-N 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/83—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
-
- B01J35/39—
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a device for treating low-temperature low-turbidity high-color high-organic matter sewage by optical fiber photocatalysis, which is designed to be a device for treating optical fiber photocatalysis ecological imitation aiming at low-temperature low-turbidity high-color high-organic matter sewage 3 The optical fiber layer, the bionic aquatic weed layer and the biological function purifying layer are combined with the organic photocatalysis chemical process by utilizing the excellent light propagation characteristic of the optical fiber, the compounds in the sewage are subjected to catalytic oxidation degradation, the degraded sewage is adsorbed and settled through the bionic aquatic weed layer, and the biological purifying layer is used for purifying the sewage treated through the bionic aquatic weed layer again, so that the sewage treatment reaches the green and environment-friendly treatment standard.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a device and a method for treating low-temperature low-turbidity high-color high-organic matter sewage by optical fiber photocatalysis.
Background
Along with the development of modernization, people have various articles meeting the living, and abundant articles make the living more interesting, however, a large amount of production sewage, especially low-turbidity high-color high-organic matter sewage, is produced when producing some living articles, and this is sewage contains chemical reagents and organic matters, and serious pollution is caused to the environment when the sewage is not treated in place and discharged into the nature, and the high-organic matter discharged into the water body can lead to the deterioration of the water body and seriously threaten the ecological balance of the water area. At present, conventional treatment usually adopts methods of high-temperature degradation, drug reagent degradation, microbial flora and the like for treatment, the treatment cost is high, partial treatment effect is poor, the development requirements of current environmental protection and resource conservation are not met, and whether the sewage rich in organic matters can be treated by a catalytic oxidation and ecological treatment prevention method according to the characteristics of the sewage can be treated, so that the sewage can be treated with low energy consumption under the environment-friendly condition.
Disclosure of Invention
In order to solve the problems, the invention provides the device and the method for treating the sewage with low temperature, low turbidity, high color and high organic matter by optical fiber photocatalysis, which combine the excellent light propagation property of the optical fiber with the photocatalytic chemical process of the organic matter to catalyze, oxidize and degrade the compounds in the sewage, adsorb and settle the degraded sewage through the bionic water grass layer, and purify the sewage treated by the bionic water grass layer again by the biological purification layer, thereby achieving the purposes of low energy consumption, super-strong illumination, high catalytic activity and strong oxidation capability.
The invention provides a device for treating low-temperature low-turbidity high-color high-organic matter sewage by optical fiber photocatalysis, which comprises a sewage inlet pipe, a purifying tank, a clear water outlet pipe, a valve, an optical fiber connecting plate, a reflecting cover and a LaNiO coating 3 The optical fiber, bionic aquatic weed layer and biological function purification layer, optical fiber photocatalysis treatment low temperature low turbidity high color high organic matter sewage treatment plant main part is the purifying tank, the purifying tank is the semi-sealed box that the top is provided with the reflection of light lid, purifying tank front end upper portion sets up sewage and advances the pipe, purifying tank rear end lower part sets up clear water exit tube, be provided with the valve on the clear water exit tube, purifying tank inside is provided with respectively from top to bottom and scribbles LaNiO 3 The optical fiber catalytic oxidation layer, the bionic aquatic weed layer and the biological function purifying layer are coated with LaNiO 3 An optical fiber connecting plate is arranged at the upper part of the optical fiber catalytic oxidation layer.
As a further improvement of the invention, the upper layer of the purifying inner part is provided with a coating layer coated with LaNiO 3 The optical fiber catalytic oxidation layer of (2) is arranged side by side in an array type and is coated with LaNiO 3 Is an optical fiber of (a)The upper part is provided with an optical fiber connecting plate which can be provided with a light source through sunlight and artificial light.
As a further improvement of the invention, a bionic aquatic weed layer is arranged at the middle layer in the purifying pond, and the bionic aquatic weed layer consists of polypropylene fibers, bamboo pulp fibers and activated carbon.
As a further improvement of the invention, the LaNiO 3 The preparation method of the optical fiber catalytic oxidation layer is a solvothermal method, and the coating mode is an immersion pulling method of adding a binder into slurry.
As a further improvement of the invention, the top of the purifying tank is provided with a reflecting cover, so that the sealing leakage upwards inside can be reflected back.
The invention relates to a device for treating low-temperature low-turbidity high-color high-organic matter sewage by optical fiber photocatalysis, which has the following design points;
1) The invention relates to a device for treating low-temperature low-turbidity high-color high-organic matter sewage by optical fiber photocatalysis.
2) The invention relates to a purifying tank designed for an optical fiber photocatalysis treatment low-temperature low-turbidity high-color high-organic matter sewage treatment device, which is internally provided with LaNiO coating from top to bottom 3 The optical fiber catalytic oxidation layer, the bionic aquatic weed layer and the biological function purifying layer are coated with LaNiO 3 An optical fiber connecting plate is arranged at the upper part of the optical fiber catalytic oxidation layer.
3) LaNiO in the invention 3 The preparation method of the optical fiber catalytic oxidation layer comprises the following steps:
lanthanum nitrate, nickel nitrate and citric acid are weighed according to the molar ratio of 1:1:1-1:1:5, and 50-75 mL of isopropyl ether ((CH) is added 3 ) 2 CHOC 2 H 4 OH), ethylene glycol propyl ether (C) 3 H 7 OC 2 H 4 OH) or ethylene glycol diethyl ether (C) 2 H 5 OC 2 H 4 OH) is taken as a solvent, is dissolved and stirred uniformly, and is transferred into a reaction kettle of 100mL para-polyphenyl material for solvothermal reaction. Then put in a forced air drying oven at 1Reacting for 15-24 h at 20-200 ℃, cooling to room temperature, centrifugally washing and drying. Heating at a speed of 1 ℃/min-10 ℃/min under a programmed temperature muffle furnace, firstly heating to 200 ℃ -350 ℃ and preserving heat for 2-4h, and then heating to 550 ℃ -700 ℃ and preserving heat for 2-6h. Grinding to obtain the corresponding LaNiO3 nano catalyst.
Weighing LA133, hydroxypropyl cellulose, polyacrylic acid and gelatin according to the mass ratio of the catalyst to the binder of 1:1-1:5, dissolving in 200-500 mL of N-methylpyrrolidone solvent, and stirring to prepare slurry. Coating a layer of the slurry on the surface of the optical fiber, then vertically immersing the optical fiber into the slurry for 1-5 hours to finish coating, and slowly pulling the optical fiber. And (3) drying the composite optical fiber material at 80 ℃ for 12-24 hours, taking out, washing with deionized water for 2-4 times, washing off the surface layer which indicates excessive unadhered surface, continuing to dry at 80 ℃ for 1 hour, and finally calcining at 300-400 ℃ for 2-6 hours to prepare the optical fiber catalytic oxidation layer coated with LaNiO 3.
4) The invention designs a light reflecting cover arranged on a purifying tank of an optical fiber photocatalysis treatment low-temperature low-turbidity high-color high-organic matter sewage treatment device, which is openable, when an internal arrangement part is damaged, the device is opened and replaced, and when the device is closed, a closure leaking upwards from the inside can be reflected.
Drawings
FIG. 1 is a schematic overall view of the present invention;
fig. 2 is a schematic diagram of the internal structure of the present invention.
Part name
1. A sewage inlet pipe; 2. a purifying tank; 3. clear water outlet pipe; 4. a valve; 5. an optical fiber connection board; 6. a light reflecting cover; 7. an optical fiber catalytic oxidation layer coated with LaNiO 3; 8. a bionic aquatic weed layer; 9. a biological function purifying layer.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description:
the invention provides a device and a method for treating low-temperature, low-turbidity, high-color and high-organic matter sewage by optical fiber photocatalysis, which combine the excellent light propagation characteristic of optical fibers with the photocatalytic chemical process of organic matter to catalyze, oxidize and degrade compounds in sewage, adsorb and settle the degraded sewage through a bionic water grass layer, and purify the sewage treated by the bionic water grass layer again by a biological purification layer, so as to achieve the purposes of low energy consumption, super-strong illumination, high catalytic activity and strong oxidizing capability.
As one embodiment of the invention, the invention provides a LaNiO 3 The preparation method of the optical fiber catalytic oxidation layer comprises the following steps: lanthanum nitrate, nickel nitrate and citric acid were weighed according to a molar ratio of 1:1:1, and 50mL of isopropyl ether ((CH) was added 3 ) 2 CHOC 2 H 4 OH) is taken as a solvent, is dissolved and stirred uniformly, and is transferred into a reaction kettle of 100mL para-polyphenyl material for solvothermal reaction. Then placing the mixture in a forced air drying box to react for 15 hours at 120 ℃, cooling to room temperature, centrifugally washing and drying. Heating at a speed of 1 ℃/min under a programmed temperature muffle furnace, firstly heating to 200 ℃ and preserving heat for 2 hours, and then heating to 550 ℃ and preserving heat for 2 hours. Grinding to obtain corresponding LaNiO 3 Nano catalyst-1. Then, weighing LA133 according to the mass ratio of the LaNiO3 nano catalyst-1 to the binder of 1:1, dissolving the LA133 in 200mL of N-methylpyrrolidone solvent, and stirring to prepare slurry. Coating a layer of the slurry on the surface of the optical fiber, then vertically immersing the optical fiber into the slurry for 1h to finish coating, and slowly pulling the optical fiber. Drying the composite optical fiber material at 80deg.C for 12 hr, taking out, washing with deionized water for 2 times, washing off excessive unattached surface layer, drying at 80deg.C for 1 hr, and calcining at 300deg.C for 2 hr to obtain LaNiO-coated fiber material 3 The optical fiber catalytic oxidation layer-1.
As one embodiment of the invention, the invention provides a LaNiO 3 The preparation method of the optical fiber catalytic oxidation layer comprises the following steps: lanthanum nitrate, nickel nitrate and citric acid were weighed in a molar ratio of 1:1:5, and 75mL of ethylene glycol propyl ether (C 3 H 7 OC 2 H 4 OH) is taken as a solvent, is dissolved and stirred uniformly, and is transferred into a reaction kettle of 100mL para-polyphenyl material for solvothermal reaction. Then placing the mixture in a forced air drying box to react for 24 hours at 200 ℃, cooling to room temperature, centrifugally washing and drying. Heating at a speed of 10 ℃/min under a programmed temperature muffle furnace, firstly heating to-350 ℃ and preserving heat for 4 hours, and then heating to 700 ℃ and preserving heat for 6 hours. Grinding to obtain corresponding LaNiO 3 Nano catalyst-2. Then, according to LaNiO 3 The mass ratio of the nano catalyst-2 to the binder is 1:5, gelatin is weighed and dissolved in 500mL of N-methyl pyrrolidone solvent, and the mixture is stirred to prepare slurry. Coating a layer of the slurry on the surface of the optical fiber, then vertically immersing the optical fiber into the slurry for 5 hours to finish coating, and slowly pulling the optical fiber. Drying the composite optical fiber material at 80deg.C for 24 hr, taking out, washing with deionized water for 4 times, washing off excessive unattached surface layer, drying at 80deg.C for 1 hr, and calcining at 400deg.C for 6 hr to obtain LaNiO-coated fiber 3 Is a catalytic oxide layer-2 of the optical fiber.
As one embodiment of the invention, the invention provides a LaNiO 3 The preparation method of the optical fiber catalytic oxidation layer comprises the following steps: lanthanum nitrate, nickel nitrate and citric acid are weighed according to the mol ratio of 1:1:3, and 60mL of ethylene glycol diethyl ether (C 2 H 5 OC 2 H 4 OH) is taken as a solvent, is dissolved and stirred uniformly, and is transferred into a reaction kettle of 100mL para-polyphenyl material for solvothermal reaction. Then placing the mixture in a forced air drying box to react for 20 hours at 180 ℃, cooling to room temperature, centrifugally washing and drying. Heating at a speed of 5 ℃/min under a programmed temperature muffle furnace, firstly heating to 300 ℃ and preserving heat for 3 hours, and then heating to 650 ℃ and preserving heat for 4 hours. Grinding to obtain corresponding LaNiO 3 Nano catalyst-3. According to LaNiO 3 The mass ratio of the nano catalyst-3 to the binder is 1:3, polyacrylic acid is weighed and dissolved in 350mL of N-methyl pyrrolidone solvent, and the mixture is stirred to prepare slurry. Coating a layer of the slurry on the surface of the optical fiber, then vertically immersing the optical fiber into the slurry for 3 hours to finish coating, and slowly pulling the optical fiber. Drying the composite optical fiber material at 80deg.C for 18 hr, taking out, washing with deionized water for 3 times, washing off excessive unattached surface layer, drying at 80deg.C for 1 hr, and calcining at 350deg.C for 5 hr to obtain LaNiO-coated fiber material 3 Optical fiber catalytic oxidation layer-3.
As one embodiment of the invention, the invention provides a device for treating low-temperature low-turbidity high-color high-organic matter sewage by optical fiber photocatalysis, which comprises a sewage inlet pipe 1, a purifying tank 2, a clear water outlet pipe 3, a valve 4, an optical fiber connecting plate 5, a reflecting cover 6 and a LaNiO coating 3 Optical fiber catalytic oxidation layer 7, bionicPasture and water layer 8 and biological function purification layer 9, its characterized in that, optic fibre photocatalysis treatment low temperature low turbidity high-color high organic matter sewage treatment plant main part is purifying tank 2, purifying tank 2 is the semi-sealed box that the top was provided with reflection of light lid 6, purifying tank 2 front end upper portion sets up sewage advances pipe 1, and the rear end lower part sets up clear water exit tube 3, be provided with valve 4 on the clear water exit tube 3, valve 4 steerable sewage treatment time and rivers size, purifying tank 2 inside is provided with respectively from top to bottom and scribbles LaNiO 3 The optical fiber catalytic oxidation layer 7, the bionic aquatic weed layer 8 and the biological function purifying layer 9 are coated with LaNiO 3 The upper part of the optical fiber catalytic oxidation layer 7 is provided with an optical fiber connecting plate 5, the optical fibers are arranged side by side in an array manner, the optical fiber connecting plate 5 can provide a light source for optical fibers through sunlight and artificial light, and the optical fibers are coated with lanthanum nickel oxide (LaNiO) 3 ) The nano particles are used as multifunctional nano catalysts, and have low energy consumption, super-strong illuminance, high catalytic activity and strong oxidizing capacity; the bionic aquatic weed layer 8 consists of polypropylene fibers, bamboo pulp fibers, active carbon and the like, and has strong adsorptivity and sedimentation property; the purifying tank is characterized in that the top of the purifying tank 2 is provided with a reflecting cover 6, the reflecting cover 6 is openable, when the components arranged in the purifying tank 2 are damaged, the purifying tank is opened and replaced, when the purifying tank is closed, the inside of the purifying tank is sealed, and the purifying tank is leaked upwards, and therefore the light utilization rate is improved.
As a specific embodiment of the invention, the invention provides a device for treating low-temperature low-turbidity high-color high-organic matter sewage by optical fiber photocatalysis as shown in figures 1-2, which comprises a sewage inlet pipe 1, a purifying tank 2, a clear water outlet pipe 3, a valve 4, an optical fiber connecting plate 5, a reflecting cover 6 and a coating LaNiO 3 The optical fiber catalytic oxidation layer 7, the bionic aquatic weed layer 8 and the biological function purifying layer 9 of the device are shown in fig. 1, the main body of the optical fiber photocatalytic treatment low-temperature low-turbidity high-color high-organic matter sewage treatment device is a purifying tank 2, the purifying tank 2 is a semi-sealed box body with a reflecting cover 6 arranged at the top end, a sewage inlet pipe 1 is arranged at the upper part of the front end of the purifying tank 2, a clear water outlet pipe 3 is arranged at the lower part of the rear end of the purifying tank 2, a valve 4 is arranged on the clear water outlet pipe 3, the valve 4 can control sewage treatment time and water flow, and LaNiO is coated in the purifying tank 2 from top to bottom respectively as shown in fig. 2 3 Is an optical fiber of (a)Catalytic oxidation layer 7, bionic aquatic weed layer 8 and biological function purifying layer 9, which are coated with LaNiO 3 An optical fiber connecting plate 5 is arranged at the upper part of an optical fiber catalytic oxidation layer 7, the optical fibers are arranged side by side in an array, the optical fiber connecting plate 5 can provide a light source for optical fibers through sunlight and artificial light, and lanthanum nickel oxide (LaNiO) is coated on the optical fibers 3 ) The nano particles are used as multifunctional nano catalysts, and have low energy consumption, super-strong illuminance, high catalytic activity and strong oxidizing capacity; the bionic aquatic weed layer 8 is composed of polypropylene fibers, bamboo pulp fibers, active carbon and the like, and has strong adsorptivity and sedimentation property; the top of the purifying tank 2 is provided with a reflecting cover 6, the reflecting cover 6 is openable, when the components arranged in the purifying tank 2 are damaged, the purifying tank is opened and replaced, and when the purifying tank is closed, the sealing device capable of leaking upwards inside can reflect back, so that the light utilization rate is improved; the device combines the excellent light propagation characteristics of the optical fibers with the photocatalytic chemical process of the organic matters to catalyze, oxidize and degrade the compounds in the sewage, the degraded sewage is adsorbed and settled by the bionic aquatic weed layer, and the biological purification layer is used for purifying the sewage treated by the bionic aquatic weed layer again, so that the sewage treatment achieves the purposes of low energy consumption, super-strong illumination, high catalytic activity and strong oxidizing capacity, and is environment-friendly.
The above description is only of the preferred embodiment of the present invention, and is not intended to limit the present invention in any other way, but is intended to cover any modifications or equivalent variations according to the technical spirit of the present invention, which fall within the scope of the present invention as defined by the appended claims.
Claims (1)
1. A method for treating low-temperature low-turbidity high-color high-organic matter sewage by optical fiber photocatalysis is characterized by comprising the following steps: the treatment device used by the method comprises a sewage inlet pipe (1), a purifying tank (2), a clear water outlet pipe (3), a valve (4), an optical fiber connecting plate (5), a reflecting cover (6) and a LaNiO-coated sewage treatment device 3 The novel sewage treatment device comprises an optical fiber catalytic oxidation layer (7), a bionic aquatic weed layer (8) and a biological function purification layer (9), wherein the main body of the treatment device is a purification tank (2), the purification tank (2) is a semi-sealed box body with a reflecting cover (6) arranged at the top end, and a sewage inlet pipe is arranged at the upper part of the front end of the purification tank (2)The purifying device comprises a purifying tank (2), wherein a clear water outlet pipe (3) is arranged at the lower part of the rear end of the purifying tank (2), a valve (4) is arranged on the clear water outlet pipe (3), and LaNiO is coated in the purifying tank (2) from top to bottom 3 The optical fiber catalytic oxidation layer (7), the bionic aquatic weed layer (8) and the biological function purifying layer (9) are coated with LaNiO 3 An optical fiber connecting plate (5) is arranged at the upper part of the optical fiber catalytic oxidation layer (7);
the coating is LaNiO 3 The optical fibers of the optical fiber catalytic oxidation layer (7) are arranged side by side in an array manner;
the bionic aquatic weed layer (8) arranged in the middle layer inside the purifying pond (2) consists of polypropylene fibers, bamboo pulp fibers and activated carbon;
the coating is LaNiO 3 The preparation method of the optical fiber catalytic oxidation layer (7) comprises the following steps:
1) Lanthanum nitrate, nickel nitrate and citric acid are weighed according to the molar ratio of 1:1:1-1:1:5, and 50-75 mL of ethylene glycol isopropyl ether (CH) is added 3 ) 2 CHOC 2 H 4 OH or ethylene glycol propyl ether C 3 H 7 OC 2 H 4 OH or ethylene glycol diethyl ether C 2 H 5 OC 2 H 4 OH is taken as a solvent, is dissolved and stirred uniformly, is transferred into a 100mL reaction kettle made of para-position polyphenyl materials for solvothermal reaction, is then placed into a blast drying box for reaction for 15-24 h at the temperature of 120-200 ℃, is cooled down to room temperature, is centrifugally washed and dried, is heated up at the speed of 1-10 ℃/min under a programmed temperature muffle furnace, is firstly heated up to 200-350 ℃ for 2-4h, is then heated up to 550-700 ℃ for 2-6h, and is ground to obtain the corresponding LaNiO 3 A nano-catalyst;
2）LaNiO 3 the nano catalyst and the binder are weighed according to the mass ratio of 1:1-1:5, dissolved in 200mL-500mL of N-methyl pyrrolidone solvent, stirred to prepare slurry, firstly coated with a layer of the slurry on the surface of the optical fiber, then vertically immersed in the slurry for 1h-5h to finish coating, slowly pulled up, the composite optical fiber material is dried for 12h-24h at 80 ℃, taken out, washed for 2-4 times by deionized water, superfluous unattached surface layer is washed off, dried for 1h at 80 ℃ continuously, and finally dried for 3hCalcining at 00-400 deg.c for 2-6 hr to obtain LaNiO coated 3 Wherein the binder is one of LA133, hydroxypropyl cellulose, polyacrylic acid, and gelatin;
the method for treating the low-temperature low-turbidity high-color high-organic matter sewage comprises the following steps of:
firstly, the light propagation characteristics of the optical fibers are combined with the photocatalysis process to catalyze, oxidize and degrade organic matters in the sewage, the degraded sewage is adsorbed and settled by the bionic aquatic weed layer, and the sewage treated by the bionic aquatic weed layer is purified by the biological function purifying layer again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445707.3A CN113233576B (en) | 2021-04-25 | 2021-04-25 | Device and method for treating low-temperature low-turbidity high-color high-organic matter sewage by optical fiber photocatalysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445707.3A CN113233576B (en) | 2021-04-25 | 2021-04-25 | Device and method for treating low-temperature low-turbidity high-color high-organic matter sewage by optical fiber photocatalysis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113233576A CN113233576A (en) | 2021-08-10 |
| CN113233576B true CN113233576B (en) | 2023-05-16 |
Family
ID=77129042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110445707.3A Active CN113233576B (en) | 2021-04-25 | 2021-04-25 | Device and method for treating low-temperature low-turbidity high-color high-organic matter sewage by optical fiber photocatalysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113233576B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130130B (en) * | 2015-09-25 | 2017-04-12 | 河海大学 | Bio-purification and photocatalysis duplex sewage treatment tower |
| CN107585971A (en) * | 2017-08-11 | 2018-01-16 | 清远市德晟嘉恒能源环保工程有限责任公司 | A kind of method for wastewater treatment |
| CN107381781A (en) * | 2017-09-14 | 2017-11-24 | 重庆理工大学 | A kind of novel optical fiber photocatalysis and biodegradable direct-coupling reactor |
| CN107803204B (en) * | 2017-10-24 | 2020-08-11 | 东北大学秦皇岛分校 | Preparation method and application of composite lanthanum nickelate photocatalyst |
| CN107986457B (en) * | 2018-01-10 | 2021-05-28 | 河海大学 | Layered suspension type water body in-situ sewage purification device |
| CN209352711U (en) * | 2018-09-12 | 2019-09-06 | 盛世惠泽科技（天津）有限公司 | A kind of circulating water purification device |
| CN109351357B (en) * | 2018-10-16 | 2020-09-22 | 华中科技大学 | Universal method for effectively improving catalytic performance of perovskite catalyst |
| CN210117322U (en) * | 2019-06-26 | 2020-02-28 | 毅康科技有限公司 | High-efficiency biological aerated filter for treating industrial wastewater difficult to degrade |
| CN110280274B (en) * | 2019-08-01 | 2021-09-07 | 山东大学 | Based on TiO2Wide-spectral-response photocatalytic material of array optical waveguide and preparation method and application thereof |
-
2021
- 2021-04-25 CN CN202110445707.3A patent/CN113233576B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113233576A (en) | 2021-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106492849B (en) | A kind of preparation method of BiOCl ultrathin nanometer piece photochemical catalyst | |
| CN110354887B (en) | Magnetically separable catalyst for photocatalytic degradation of antibiotics and preparation method and application thereof | |
| CN110746047B (en) | Stepped ecological micro-island with aeration microcirculation and method thereof | |
| CN109482241B (en) | TiO2/MOF-5 photocatalyst and preparation method thereof | |
| CN108607590A (en) | g-C3N4Graft the preparation method and application of BiOX microsphere photocatalyst | |
| CN110152665A (en) | CuO/Cu2The preparation method of O/Cu trielement composite material | |
| CN108529712A (en) | A kind of photocatalytic water treatment device | |
| CN110589886A (en) | Preparation method of bismuth oxycarbonate | |
| CN107670695B (en) | Preparation method of core-shell heterostructure material | |
| CN113233576B (en) | Device and method for treating low-temperature low-turbidity high-color high-organic matter sewage by optical fiber photocatalysis | |
| CN111389469A (en) | Preparation method of photocatalytic heterojunction nano composite material for removing algae in water body | |
| CN110803769A (en) | Black and odorous water body treatment system based on illumination enhancement | |
| CN110841672A (en) | Method for treating antibiotic wastewater by utilizing graphite alkyne modified silver phosphate composite photocatalyst | |
| CN110918125A (en) | Preparation method of UiO-66 loaded tin sulfide nanoparticle photocatalyst | |
| CN110180584A (en) | The zeolite molecular sieve support type composite catalyst and preparation method thereof of dibenzothiophenes in a kind of removal oil product | |
| CN110075868B (en) | Glass fiber TiO2CdZnS composite material and preparation method thereof | |
| CN110270355A (en) | A kind of preparation method of glass fabric load bismuth oxyiodide photocatalyst film | |
| CN110624585A (en) | Preparation method of carbon nitride-loaded photocatalytic network | |
| CN116410481A (en) | Tremella Zr-Fc metal organic framework material photocatalyst, preparation method and application | |
| CN108543540A (en) | Conversion composite photocatalyst material and the preparation method and application thereof on a kind of cerium fluoride/attapulgite | |
| CN109261156A (en) | Nickel film and zinc oxide nano rod composite material and preparation method and application | |
| CN114917913A (en) | Cu 2 Preparation method of O/ZnO nanowire array composite film photocatalytic material | |
| CN103316582A (en) | Carbon fixation method through biological enzyme, and apparatus | |
| CN110589928A (en) | Fixed photocatalyst and preparation method and application thereof | |
| CN113000071B (en) | Porous visible light photocatalysis ZnFe 2 O 4 -TiO 2 Preparation method and regeneration method of/PVDF composite membrane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |