CN113233576A - Device and method for treating sewage with low temperature, low turbidity, high color and high organic matter by using optical fiber photocatalysis - Google Patents
Device and method for treating sewage with low temperature, low turbidity, high color and high organic matter by using optical fiber photocatalysis Download PDFInfo
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- CN113233576A CN113233576A CN202110445707.3A CN202110445707A CN113233576A CN 113233576 A CN113233576 A CN 113233576A CN 202110445707 A CN202110445707 A CN 202110445707A CN 113233576 A CN113233576 A CN 113233576A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 89
- 239000010865 sewage Substances 0.000 title claims abstract description 56
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 27
- 239000005416 organic matter Substances 0.000 title claims abstract description 24
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 12
- 238000000746 purification Methods 0.000 claims abstract description 51
- 230000003197 catalytic effect Effects 0.000 claims abstract description 35
- 230000003647 oxidation Effects 0.000 claims abstract description 35
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910002340 LaNiO3 Inorganic materials 0.000 claims abstract description 26
- 239000000835 fiber Substances 0.000 claims abstract description 20
- 241000196324 Embryophyta Species 0.000 claims abstract description 16
- 239000011664 nicotinic acid Substances 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 68
- 239000002002 slurry Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 17
- 241000877463 Lanio Species 0.000 claims description 15
- 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
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
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- 239000002131 composite material Substances 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
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- 239000002904 solvent Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 7
- 238000004729 solvothermal method Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 5
- 229920002125 Sokalan® Polymers 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 5
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- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 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
- 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
- 239000004584 polyacrylic acid Substances 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
- 239000008273 gelatin Substances 0.000 claims description 4
- 239000011943 nanocatalyst Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- YEYKMVJDLWJFOA-UHFFFAOYSA-N 2-propoxyethanol Chemical compound CCCOCCO YEYKMVJDLWJFOA-UHFFFAOYSA-N 0.000 claims description 3
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 claims description 3
- 108010010803 Gelatin Proteins 0.000 claims description 3
- 229920002153 Hydroxypropyl cellulose Polymers 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
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- 238000005303 weighing Methods 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 3
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- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- RVLXVXJAKUJOMY-UHFFFAOYSA-N lanthanum;oxonickel Chemical compound [La].[Ni]=O RVLXVXJAKUJOMY-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 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
-
- 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
- C02F1/28—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
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Materials Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Catalysts (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model provides a low turbid high organic matter sewage treatment plant of low temperature height of optic fibre photocatalysis treatment, this application designs one kind and carries out the imitative ecological processing apparatus of optic fibre photocatalysis to low turbid high organic matter sewage of low temperature, and the device is through designing a semi-enclosed purification tank, advances the pipe at purification tank front end upper portion installation sewage, and the rear end lower part sets up the clear water exit tube, and the purification tank inside sets up respectively from top to bottom and scribbles LaNiO3The optical fiber layer, the bionic aquatic weed layer andbiological function purifies the layer, combines together through the excellent light propagation characteristic who utilizes optic fibre and organic matter photocatalysis chemical process, carries out catalytic oxidation degradation to the compound in the sewage, and the sewage that has degraded adsorbs through bionical pasture and water layer and subsides, and biological purification layer carries out purification treatment to the sewage that has handled through bionical pasture and water layer once more, makes sewage treatment reach green's processing standard.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device and a sewage treatment method for treating low-temperature low-turbidity high-color high-organic matters by using optical fiber photocatalysis.
Background
With the development of modernization, people have various articles for daily use, abundant articles enable daily use to become more interesting, however, a large amount of production sewage is generated during production of some articles for daily use, particularly low-turbidity high-color high-organic matter sewage which contains chemical reagents and organic matters and can cause serious pollution to the environment when the sewage is discharged into the nature after being treated, and water body deterioration can be caused when high-organic matter is discharged into the water body, so that ecological balance of the water body is seriously threatened. At present, the conventional treatment is usually carried out by methods such as high-temperature degradation, drug reagent degradation, microbial flora and the like, the treatment cost is high, partial treatment effects are poor, and the development requirements of environmental protection and resource saving are not met.
Disclosure of Invention
In order to solve the problems, the invention provides a device and a method for treating sewage with low temperature, low turbidity, high color and high organic matter by using optical fiber photocatalysis, wherein the device and the method are used for treating sewage with high catalytic oxidation and degradation of compounds in the sewage by combining the excellent light propagation characteristic of optical fiber with the organic matter photocatalysis chemical process, the degraded sewage is adsorbed and settled by a bionic aquatic weed layer, and a biological purification layer is used for purifying the sewage treated by the bionic aquatic weed layer again, so that the aim of treating the sewage with low energy consumption, super-strong illumination, high catalytic activity and strong oxidation capability is fulfilled.
To achieve the purpose, the invention provides a method for photocatalytic treatment of optical fiberA sewage treating apparatus with low temp, turbidity, high color and high content of organic substances is composed of sewage inlet tube, purifying pool, clean water outlet tube, valve, optical fibre connecting plate, reflecting cover and LaNiO coated on it3The optic fibre, bionical pasture and water layer and biological function purify the layer, optic fibre photocatalysis treatment low temperature hangs down turbid high organic matter sewage treatment plant main part of high colour is the purification tank, the purification tank is provided with the semi-sealed box of reflection of light lid for the top, purification tank front end upper portion sets up sewage and advances the pipe, purification tank rear end lower part sets up the clear water exit tube, be provided with the valve on the clear water exit tube, purification tank inside is provided with respectively from top to bottom and scribbles LaNiO layer3The optical fiber catalytic oxidation layer, the bionic aquatic weed layer and the biological function purification layer are coated with LaNiO3The upper part of the optical fiber catalytic oxidation layer is provided with an optical fiber connecting plate.
As a further improvement of the invention, the upper layer of the purification inner part is provided with a coating LaNiO3The optical fiber catalytic oxidation layer is arranged in parallel in an optical fiber array mode and coated with LaNiO3The optical fiber connecting board is arranged on the upper part of the optical fiber, and a light source can be provided for the optical fiber connecting board through sunlight and artificial light.
As a further improvement of the invention, the inner layer of the purification tank is provided with a bionic float grass layer which is composed of polypropylene fiber, bamboo pulp fiber and active carbon.
As a further improvement of the invention, the LaNiO3The preparation method of the optical fiber catalytic oxidation layer is a solvothermal method, and the coating mode is a dipping and pulling method for adding a binder into slurry.
As a further improvement of the invention, the top of the purification tank is provided with a reflective cover which can reflect the internal upward leakage.
The utility model provides a fiber optic photocatalysis handles low-temperature low turbid high look high organic matter sewage treatment plant, has the following design point;
1) the utility model provides a low turbid high organic matter sewage treatment plant of high colour of low temperature of optic fibre photocatalysis treatment designs a semi-enclosed box formula purification tank, sets up sewage in the front end upper portion of purification tank and advances the pipe, and the rear end sets up the clear water exit tube, and clear water exit tube department sets up the valve, and the purification tank upper end sets up reflection of light lid.
2) The application discloses high organic matter sewage treatment plant of low turbid high look of low temperature photocatalytic treatment low temperature is provided with respectively from top to bottom and scribbles LaNiO inside the purification tank3The optical fiber catalytic oxidation layer, the bionic aquatic weed layer and the biological function purification layer are coated with LaNiO3The upper part of the optical fiber catalytic oxidation layer is provided with an optical fiber connecting plate.
3) LaNiO in the present application3The 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 50mL-75mL of isopropyl ether ((CH)3)2CHOC2H4OH), ethylene glycol propyl ether (C)3H7OC2H4OH) or ethylene glycol ethyl ether (C)2H5OC2H4OH) as a solvent, uniformly dissolving and stirring, and transferring to a 100mL reaction kettle made of a p-polyphenyl material for solvothermal reaction. Then placing the mixture into a forced air drying oven to react for 15 to 24 hours at the temperature of between 120 and 200 ℃, cooling the mixture to room temperature, and centrifugally washing and drying the mixture. Heating up to 200-350 ℃ and preserving heat for 2-4h under a program temperature control muffle furnace at the speed of 1-10 ℃/min, and then heating up to 550-700 ℃ and preserving heat for 2-6 h. Grinding can obtain the corresponding LaNiO3 nanometer 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 200mL-500mL of N-methylpyrrolidone solvent, and stirring to prepare slurry. Coating a layer of the slurry on the surface of the optical fiber, vertically immersing the optical fiber in the slurry for 1-5 h to finish coating, and slowly lifting the optical fiber. And (3) drying the composite optical fiber material at 80 ℃ for 12-24 h, taking out, washing with deionized water for 2-4 times, washing off the surface layer which shows unnecessary non-adhesion, continuing drying at 80 ℃ for 1h, and finally calcining at 300-400 ℃ for 2-6h to prepare the optical fiber catalytic oxidation layer coated with LaNiO 3.
4) The utility model provides a light reflection lid that sets up on the optic fibre photocatalysis treatment low temperature low turbid high organic matter sewage treatment plant design purification tank is open-type, opens the change when inside sets up the part damage, can reflect the closing of inside upwards leaking when closing.
Drawings
FIG. 1 is a schematic view of the present application in its entirety;
fig. 2 is a schematic diagram of the internal structure of the present application.
Name of component
1. A sewage inlet pipe; 2. a purification tank; 3. a clear water outlet pipe; 4. a valve; 5. an optical fiber connection plate; 6. a light reflecting cover; 7. optical fiber coated with LaNiO 3; 8. a simulated aquatic weed layer; 9. a biological function purification layer.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
the invention provides a device and a method for treating sewage with low temperature, low turbidity, high color and high organic matter by using optical fiber photocatalysis, wherein the device and the method are used for performing catalytic oxidation degradation on compounds in the sewage by combining the excellent light propagation characteristic of optical fiber with an organic matter photocatalysis chemical process, the degraded sewage is adsorbed and settled by a bionic aquatic weed layer, and a biological purification layer is used for purifying the sewage treated by the bionic aquatic weed layer again, so that the aim of treating the sewage with low energy consumption, super-strong illumination, high catalytic activity and strong oxidation capability is fulfilled.
As an embodiment of the present application, the present application provides a LaNiO3The 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, and 50mL of isopropyl ether ((CH)3)2CHOC2H4OH) as a solvent, uniformly dissolving and stirring, and transferring to a 100mL reaction kettle made of a p-polyphenyl material for solvothermal reaction. Then the mixture is put into a forced air drying oven to react for 15 hours at the temperature of 120 ℃, cooled to room temperature, centrifugally washed and dried. Heating up at the speed of 1 ℃/min under a temperature-programmed muffle furnace, firstly heating up to 200 ℃, preserving heat for 2h, and then heating up to 550 ℃, preserving heat for 2. Grinding to obtain corresponding LaNiO3Nano catalyst-1. Then, LA133 was weighed according to the mass ratio of LaNiO3 nanocatalyst-1 to the binder of 1:1, dissolved in 200mL of N-methylpyrrolidone solvent, and stirred to prepare a slurry. Coating a layer of the slurry on the surface of the optical fiber, vertically immersing the optical fiber into the slurry for 1 hour to finish the coating, and slowly immersing the optical fiber into the slurryAnd lifting the mixture. Drying the composite optical fiber material at 80 ℃ for 12h, taking out, washing with deionized water for 2 times, washing to remove the surface layer which shows redundant non-adhesion, continuing drying at 80 ℃ for 1h, and finally calcining at 300 ℃ for 2 to prepare the LaNiO-coated composite optical fiber material3The optical fiber catalytic oxidation layer-1.
As an embodiment of the present application, the present application provides a LaNiO3The 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 1:1:5, and 75mL of ethylene glycol propyl ether (C) is added3H7OC2H4OH) as a solvent, uniformly dissolving and stirring, and transferring to a 100mL reaction kettle made of a p-polyphenyl material for solvothermal reaction. Then the mixture is put into a forced air drying oven to react for 24 hours at the temperature of 200 ℃, cooled to room temperature, centrifugally washed and dried. Heating up at the speed of 10 ℃/min under a temperature-programmed muffle furnace, firstly heating up to-350 ℃, preserving heat for 4h, and then heating up to 700 ℃, preserving heat for 6 h. Grinding to obtain corresponding LaNiO3Nano catalyst-2. Then, according to LaNiO3Gelatin is weighed according to the mass ratio of the nano catalyst-2 to the binder of 1:5, dissolved in 500mL of N-methyl pyrrolidone solvent, and stirred to prepare slurry. Coating a layer of the slurry on the surface of the optical fiber, vertically immersing the optical fiber in the slurry for 5 hours to finish coating, and slowly lifting the optical fiber. Drying the composite optical fiber material at 80 ℃ for 24h, taking out, washing with deionized water for 4 times, washing to remove the surface layer which shows surplus and is not attached, continuing drying at 80 ℃ for 1h, and finally calcining at 400 ℃ for 6h to prepare the LaNiO-coated composite optical fiber material3The optical fiber catalytic oxidation layer-2.
As an embodiment of the present application, the present application provides a LaNiO3The 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 1:1:3, and 60mL of ethylene glycol ethyl ether (C) is added2H5OC2H4OH) as a solvent, uniformly dissolving and stirring, and transferring to a 100mL reaction kettle made of a p-polyphenyl material for solvothermal reaction. Then the mixture is put into a forced air drying oven to react for 20 hours at 180 ℃, cooled to room temperature, centrifugally washed and dried. Heating up to 300 ℃ at the speed of 5 ℃/min under a temperature-programmed muffle furnace, preserving heat for 3h,then the temperature is raised to 650 ℃ and kept for 4 h. Grinding to obtain corresponding LaNiO3Nano catalyst-3. According to LaNiO3Weighing polyacrylic acid with the mass ratio of the nano catalyst-3 to the binder being 1:3, dissolving the polyacrylic acid in 350mL of N-methylpyrrolidone solvent, and stirring to prepare slurry. Coating a layer of the slurry on the surface of the optical fiber, vertically immersing the optical fiber in the slurry for 3 hours to finish coating, and slowly lifting the optical fiber. Drying the composite optical fiber material at 80 ℃ for 18h, taking out, washing with deionized water for 3 times, washing to remove the surface layer which shows redundant non-adhesion, continuing drying at 80 ℃ for 1h, and finally calcining at 350 ℃ for 5h to prepare the LaNiO-coated composite optical fiber material3The optical fiber catalytic oxidation layer-3.
As an embodiment of this application, this application provides a high organic matter sewage treatment plant of low turbid height of optic fibre photocatalysis treatment low temperature, advances pipe 1, purification tank 2, clear water exit tube 3, valve 4, optical fiber connecting plate 5, reflection of light lid 6, scribbles LaNiO including sewage3Optical fiber 7, bionical pasture and water layer 8 and biological function purify layer 9, a serial communication port, the high organic matter sewage treatment plant main part of low turbid high colour of optic fibre photocatalysis treatment low temperature is purification tank 2, purification tank 2 is provided with the semi-sealed box of reflection of light lid 6 for the top, 2 front end upper portions in purification tank set up sewage and advance tub 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, the steerable sewage treatment time of valve 4 and rivers size, 2 inside in purification tank from top to bottom are provided with respectively and scribble LaNiO3The optical fiber 7 comprises a catalytic oxidation layer, a bionic aquatic weed layer 8 and a biological function purification layer 9, wherein the catalytic oxidation layer, the bionic aquatic weed layer and the biological function purification layer are coated with LaNiO3The optical fiber catalytic oxidation layer of 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 the 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 a multifunctional nano catalyst, and have the advantages of low energy consumption, super-strong illumination, high catalytic activity and strong oxidation capability; the bionic aquatic weed layer 8 is composed of polypropylene fibers, bamboo pulp fibers, activated carbon and the like, and has strong adsorbability and settleability; the top of the purification tank 2 is provided with a reflective cover 6, the reflective cover 6 is openable, and the purification tank 2 is opened when the internal parts are damagedAnd in addition, the switch which leaks upwards in the interior can be reflected back when the switch is closed, so that the light utilization rate is improved.
As a specific embodiment of the present application, the present application provides a device for treating low-temperature, low-turbidity, high-color and high-organic wastewater by using optical fiber photocatalysis as shown in FIGS. 1-2, comprising a wastewater inlet pipe 1, a purification tank 2, a clear water outlet pipe 3, a valve 4, an optical fiber connecting plate 5, a reflective cover 6, a coating LaNiO3Optical fiber 7, bionical pasture and water layer 8 and biological function purify layer 9, the high organic matter sewage treatment plant main part of low turbid high look of low temperature is purification tank 2 for the photocatalysis of optical fiber photocatalysis treatment low temperature as shown in fig. 1, shown purification tank 2 is the semi-sealed box that the top was provided with reflection of light lid 6, shown 2 front end upper portions of purification tank set up sewage and advance pipe 1, the rear end lower part sets up clear water exit tube 3, be provided with valve 4 on shown clear water exit tube 3, the steerable sewage treatment time of shown valve 4 and rivers size, be provided with respectively from top to bottom like 2 inside purification tank that show in fig. 2 and scribble LaNiO3The optical fiber 7 catalytic oxidation layer, the bionic aquatic weed layer 8 and the biological function purification layer 9 are coated with LaNiO3The optical fiber catalytic oxidation layer of the optical fiber catalytic oxidation layer comprises optical fiber connecting plates 5 arranged in parallel, the optical fibers are arranged in an array manner, the optical fiber connecting plates 5 can provide light sources for the 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 a multifunctional nano catalyst, and have the advantages of low energy consumption, super-strong illumination, high catalytic activity and strong oxidation capability; the bionic aquatic weed layer 8 is composed of polypropylene fibers, bamboo pulp fibers, activated carbon and the like, and has strong adsorbability and settleability; the top of the purification tank 2 is provided with a reflective cover 6, the reflective cover 6 is openable, when the components arranged in the purification tank 2 are damaged, the components are opened and replaced, and when the components are closed, the internal leakage can be reflected back, so that the light utilization rate is improved; the device combines together through the excellent light propagation characteristic who utilizes optic fibre and organic matter photocatalysis chemical process, carries out catalytic oxidation degradation to the compound in the sewage, and the sewage that has degraded adsorbs through bionical pasture and water layer and subsides, and biological purification layer carries out purification treatment to the sewage that has handled through bionical pasture and water layer once more, makes sewage treatment reach low energy consumption, superstrong illuminance, high catalytic activity, strong oxidation ability's purpose, green.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but any modifications or equivalent variations made according to the technical spirit of the present invention are within the scope of the present invention as claimed.
Claims (5)
1. A sewage treatment device for treating low-temperature low-turbidity high-color high-organic matter by using optical fiber photocatalysis comprises a sewage inlet pipe (1), a purification tank (2), a clear water outlet pipe (3), a valve (4), an optical fiber connecting plate (5), a light reflecting cover (6) and a LaNiO coating layer3Optical fiber (7), bionical pasture and water layer (8) and biological function purify layer (9), its characterized in that, the high organic matter sewage treatment plant main part of low turbid high colour of low temperature of optical fiber photocatalysis treatment is purification tank (2), purification tank (2) are provided with the semi-enclosed box of reflection of light lid (6) for the top, purification tank (2) front end upper portion sets up sewage and advances pipe (1), purification tank (2) rear end lower part sets up clear water exit tube (3), be provided with valve (4) on clear water exit tube (3), purification tank (2) inside is provided with respectively from top to bottom and scribbles LaNiO3The optical fiber (7) comprises a catalytic oxidation layer, a bionic aquatic weed layer (8) and a biological function purification layer (9), and the catalytic oxidation layer, the bionic aquatic weed layer and the biological function purification layer are coated with LaNiO3The upper part of the catalytic oxidation layer of the optical fiber (7) is provided with an optical fiber connecting plate (5).
2. The apparatus as claimed in claim 1, wherein the LaNiO coating is coated on the surface of the sewage with photocatalytic treatment3The optical fibers (7) of (a) are arranged side by side in an optical fiber array of catalytic oxidation layers.
3. The device for treating sewage containing low temperature, low turbidity, high color and high organic matter by photocatalysis according to claim 1, wherein the purifying tank (2) is internally provided with a bionic water plant layer (9) composed of polypropylene fiber, bamboo pulp fiber and activated carbon.
4. The fiber optic photocatalyst of claim 1The sewage treatment device for treating the low-temperature low-turbidity high-color high-organic matter by chemical treatment is characterized in that the LaNiO3The preparation method of the optical fiber (7) catalytic oxidation layer is a solvothermal method, and the coating mode is a dipping and pulling method by adding a binder into slurry.
5. A method for treating sewage containing low-temperature, low-turbidity, high-color and high-organic matters by using optical fiber photocatalysis comprises the following specific steps:
1) lanthanum nitrate, nickel nitrate and citric acid are weighed according to the molar ratio of 1:1:1-1:1:5, and 50mL-75mL of isopropyl ether (CH) is added3)2CHOC2H4OH or ethylene glycol propyl ether C3H7OC2H4OH or ethylene glycol Ether C2H5OC2H4OH is used as a solvent, is dissolved and stirred uniformly, is transferred to a 100mL reaction kettle made of p-polyphenyl materials for solvothermal reaction, is placed in a blast drying oven to react for 15h-24h at 120-200 ℃, is cooled to room temperature, is centrifugally washed and dried, is heated up at the speed of 1-10 ℃/min under a temperature-programmed muffle furnace, is firstly heated up to 200-350 ℃, is kept for 2-4h, is heated up to 550-700 ℃, is kept for 2-6h, and is ground to obtain a corresponding LaNiO3 nano catalyst;
2) weighing LA133, hydroxypropyl cellulose, polyacrylic acid and gelatin according to the mass ratio of the LaNiO3 nano catalyst to the binder of 1:1-1:5, dissolving the LA133, the hydroxypropyl cellulose, the polyacrylic acid and the gelatin in 200mL-500mL of N-methylpyrrolidone solvent, stirring to prepare slurry, coating a layer of the slurry on the surface of an optical fiber, vertically immersing the slurry in the slurry for 1h-5h to complete coating, slowly lifting and pulling the coating, placing the composite optical fiber material at 80 ℃ for drying for 12h-24h, taking out the composite optical fiber material and washing the composite optical fiber material for 2-4 times by deionized water, washing off the surface layer showing surplus non-adhesion, continuously drying the composite optical fiber material at 80 ℃ for 1h, and finally calcining the composite optical fiber material at 300 ℃ to 400 ℃ for 2-6h to prepare the optical fiber catalytic oxidation layer coated with LaNiO 3.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130130A (en) * | 2015-09-25 | 2015-12-09 | 河海大学 | Bio-purification and photocatalysis duplex sewage treatment tower |
| 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 |
| 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 |
| CN107803204A (en) * | 2017-10-24 | 2018-03-16 | 东北大学秦皇岛分校 | A kind of preparation method and applications of compound nickel acid lanthanum photochemical catalyst |
| CN107986457A (en) * | 2018-01-10 | 2018-05-04 | 河海大学 | A kind of differential suspension formula water body in-situ dirty device only |
| CN109351357A (en) * | 2018-10-16 | 2019-02-19 | 华中科技大学 | A kind of effective universal method for promoting perovskite catalyst catalytic performance |
| 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 |
| CN110280274A (en) * | 2019-08-01 | 2019-09-27 | 山东大学 | One kind being based on TiO2Wide spectrum responsible photocatalytic material of array optical waveguide and the preparation method and application thereof |
| 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 |
-
2021
- 2021-04-25 CN CN202110445707.3A patent/CN113233576B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130130A (en) * | 2015-09-25 | 2015-12-09 | 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 |
| CN107803204A (en) * | 2017-10-24 | 2018-03-16 | 东北大学秦皇岛分校 | A kind of preparation method and applications of compound nickel acid lanthanum photochemical catalyst |
| CN107986457A (en) * | 2018-01-10 | 2018-05-04 | 河海大学 | A kind of differential suspension formula water body in-situ dirty device only |
| 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 |
| CN109351357A (en) * | 2018-10-16 | 2019-02-19 | 华中科技大学 | A kind of effective universal method for promoting perovskite catalyst catalytic performance |
| 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 |
| CN110280274A (en) * | 2019-08-01 | 2019-09-27 | 山东大学 | One kind being based on TiO2Wide spectrum responsible photocatalytic material of array optical waveguide and the preparation method and application thereof |
Non-Patent Citations (5)
| Title |
|---|
| TIANYAN SHAO等: "Hollow spherical LaNiO3 supercapacitor electrode synthesized by a facile template-free method", 《MATERIALS LETTERS》 * |
| 娄向东等: "镍镧复合氧化物的制备及光催化性能", 《应用化学》 * |
| 张艳苹等: "钙钛矿型氧化物薄膜的制备及光催化降解染料的研究进展", 《化工新型材料》 * |
| 李长波等: "镍酸镧复合氧化物的制备及应用研究进展", 《应用化工》 * |
| 祁鲁梁等: "《水处理工艺与运行管理实用手册》", 31 May 2002 * |
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