CN110902901A - High-efficiency treatment method and treatment device for degradation-resistant ammonia nitrogen wastewater - Google Patents
High-efficiency treatment method and treatment device for degradation-resistant ammonia nitrogen wastewater Download PDFInfo
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- CN110902901A CN110902901A CN201911081104.9A CN201911081104A CN110902901A CN 110902901 A CN110902901 A CN 110902901A CN 201911081104 A CN201911081104 A CN 201911081104A CN 110902901 A CN110902901 A CN 110902901A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 68
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000015556 catabolic process Effects 0.000 title claims description 9
- 238000006731 degradation reaction Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000000746 purification Methods 0.000 claims abstract description 41
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 32
- 230000003647 oxidation Effects 0.000 claims abstract description 30
- 239000011941 photocatalyst Substances 0.000 claims abstract description 29
- 230000008569 process Effects 0.000 claims abstract description 26
- 230000003197 catalytic effect Effects 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000005273 aeration Methods 0.000 claims abstract description 15
- 239000002077 nanosphere Substances 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 4
- -1 hydroxyl anions Chemical class 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 3
- 150000002500 ions Chemical class 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000004939 coking Methods 0.000 description 3
- 238000006864 oxidative decomposition reaction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 108010081750 Reticulin Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 238000002306 biochemical method Methods 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000009615 deamination Effects 0.000 description 1
- 238000006481 deamination reaction Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000011197 physicochemical method Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229940070527 tourmaline Drugs 0.000 description 1
- 229910052613 tourmaline Inorganic materials 0.000 description 1
- 239000011032 tourmaline Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
Abstract
The invention provides a high-efficiency treatment method and a treatment device for nondegradable ammonia nitrogen wastewater, which are characterized in that the nondegradable ammonia nitrogen wastewater is treated by a photocatalyst catalytic oxidation process in a box body, then the nondegradable ammonia nitrogen wastewater directly enters a nano purification process stage in the same box body through overflow, nano-sphere purification materials release hydroxyl negative ions to be fully mixed with the wastewater under aeration stirring, the rapid oxidation of small-molecular ammonia nitrogen in the wastewater is completed, and the treated wastewater reaching the standard is discharged from a lower water outlet. The invention not only can achieve better ammonia nitrogen treatment effect, but also has high input-output ratio, effectively reduces the investment cost and the operation cost of ammonia nitrogen treatment, better finishes the removal of ammonia nitrogen in water, controls the ammonia nitrogen of high-concentration and difficult-to-degrade ammonia nitrogen wastewater to be below 15mg/L, reaches the national first-level discharge standard, solves the defect of difficult-to-degrade ammonia nitrogen treatment in wastewater at the present stage, and further reduces the concentration of other pollutants in the wastewater.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to treatment of ammonia nitrogen wastewater difficult to degrade. The sources of the ammonia nitrogen wastewater difficult to degrade are mainly wastewater discharged in the industries of steel, feed, coking, pharmacy, chemical fertilizer, petrifaction, cultivation, glass manufacturing and the like, in addition, sewage, animal excrement, garbage penetrating fluid, agricultural wastewater and the like released in daily production and life of people, the wastewater contains ammonia nitrogen with extremely high concentration (more than 500mg/L, even up to thousands of mg/L), and along with the improvement of the national emission standard requirement on the ammonia nitrogen, the treatment of the ammonia nitrogen wastewater with high concentration and difficult degradation needs to be more emphasized.
Background
At present, the removal of high-concentration ammonia nitrogen in the wastewater generated industrially mainly comprises a physical and chemical method, a biological method and a biochemical combined method, and mainly comprises a stripping method, a zeolite deamination method, a membrane separation technology, a MAP precipitation method, a chemical oxidation method and the like. However, for the difficultly degraded ammonia nitrogen, no matter the physicochemical method, the biochemical method or the biochemical combination method does not leave a pretreatment process with high investment and high operation cost, the cost generated in the operation process is high, the treatment effect is poor, and the requirement of the existing national emission standard is difficult to meet. In recent years, along with the increase of water environment treatment strength, more strict standards are provided for high-difficulty degradation-resistant ammonia nitrogen in parts of regions and industries, and the removal of the degradation-resistant ammonia nitrogen is an important problem in the existing water pollution prevention and treatment.
Disclosure of Invention
The first purpose of the invention is to overcome the defects of the prior art and provide a novel method for treating the ammonia nitrogen wastewater difficult to degrade, which is suitable for treating the ammonia nitrogen wastewater difficult to degrade, such as pharmaceutical wastewater, coking wastewater, chemical plant wastewater, printing and dyeing mill wastewater, food enterprise wastewater and the like, and can also be used for treating municipal domestic sewage.
The technical scheme adopted by the invention is as follows: the efficient treatment method of the nondegradable ammonia nitrogen wastewater is characterized in that the nondegradable ammonia nitrogen wastewater is treated by a photocatalyst catalytic oxidation process in a box body, then directly enters a nano purification process stage in the same box body through overflow, nanosphere purification materials release hydroxyl anions to be fully mixed with the wastewater under aeration stirring, the rapid oxidation of micromolecule ammonia nitrogen in the wastewater is completed, and the treated wastewater reaching the standard is discharged from a lower water outlet.
The invention further aims to overcome the defects of the prior art and provide a novel treatment device for the ammonia nitrogen wastewater difficult to degrade, which is suitable for treating the ammonia nitrogen wastewater difficult to degrade, such as pharmaceutical wastewater, coking wastewater, chemical plant wastewater, printing and dyeing mill wastewater, food enterprise wastewater and the like, can also be used for treating municipal domestic sewage, and has the advantages of simple structure, high efficiency and clean environment.
The technical scheme adopted by the invention is as follows: the utility model provides a high-efficient processing apparatus of difficult degradation ammonia nitrogen waste water which characterized in that: comprises a box body, wherein a photocatalyst catalytic oxidation process unit and a nanometer purification process unit are arranged in the box body; the tank body is divided by a partition board to form a photocatalyst catalytic oxidation process inner water tank and a nanometer purification process inner water tank which are in an upstream-downstream relationship, the two inner water tanks are communicated by overflowing from the upper part of the partition board, wastewater is directly fed from the upper part of the nanometer purification process unit after being treated by the photocatalyst catalytic oxidation process unit, the discharged water of the nanometer purification process unit is discharged from the lower part, an air aeration pipe is arranged at the bottom of the nanometer purification process inner water tank, and ceramsite nanosphere purification materials are filled in the nanometer purification process inner water tank.
Further: a wastewater inlet pipe of the water tank in the photocatalyst catalytic oxidation process is arranged at the lower part of the tank body, a plurality of photocatalyst filter screens are vertically arranged in the water tank in the photocatalyst catalytic oxidation process along the water flow direction, the filter screens are arranged on the tank body through a reserved groove on the tank body, and an ozone-generating ultraviolet lamp tube is arranged between the two filter screens; one part of the ozone ultraviolet lamp tube is positioned below the height of the isolation plate, and the other part of the ozone ultraviolet lamp tube is positioned above the height of the isolation plate; an air aeration pipe is arranged at the bottom of the water tank in the photocatalyst catalytic oxidation process.
The technical scheme adopted by the invention adoptsThe photocatalyst catalytic oxidation and high-efficiency nano purification process unit. Ultraviolet lamp (UV) and ozone (O) are adopted in the photocatalyst catalytic oxidation process unit3) Combines the photocatalyst and the nano TiO to exert the specific oxidation capacity and respectively react with the photocatalyst and the nano TiO arranged in the water body2The purification materials are mixed and reacted, and the difficultly degradable macromolecular ammonia nitrogen is oxidized and decomposed into easily degradable micromolecular ammonia nitrogen which flows into a subsequent high-efficiency nano purification process unit; the nano material in the high-efficiency nano purification process unit decomposes water to generate hydroxyl negative ions, efficiently and quickly oxidizes organic matters such as ammonia nitrogen and the like, and promotes micromolecules in the wastewater and the decomposition and conversion of easily degradable ammonia nitrogen, so that the concentration of ammonia nitrogen in the wastewater is reduced.
In the photocatalyst catalytic oxidation unit, the nano TiO2The net has huge specific surface area, is more fully contacted with organic matters in the wastewater, can adsorb the organic matters on the surface of the net to the maximum extent, and quickly decomposes macromolecules, difficultly-degraded ammonia nitrogen and the organic matters under the action of ultraviolet rays and ozone, the treatment effect is superior to biological treatment, and the removal rate of the organic matters and the removal rate of the ammonia nitrogen are both high. The ozone is formed by carrying out blast aeration on the bottom of the pool and contacting the ozone-generating ultraviolet lamp with oxygen in the air above the liquid level and oxygen in the water body aeration process; using UV and O3The oxidation capacity multiplied by the oxidation capacity of the nano TiO is added at the bottom of the pool under aeration and stirring2The photocatalyst and ozone are combined to react with ammonia nitrogen in the wastewater more intensely, and the decomposition of macromolecular ammonia nitrogen is greatly improved.
In the high-efficiency nano purification process unit, the ceramsite nanosphere purification material adopts a natural electrode material (mainly tourmaline), can be added with various functional additive materials (precious metal materials such as Au, Ag and the like, reticular fibers and the like), is prepared into the ceramsite nanosphere purification material with the particle size of 3-5nm by mixing and roasting after nano-scale processing, has natural electric field characteristics, can automatically release hydroxyl anions by utilizing temperature and pressure change to carry out oxidative decomposition on water, has strong oxidation potential (2.04V), and can carry out high-efficiency and rapid oxidative decomposition on ammonia nitrogen and organic matters, thereby achieving the purpose of treating the ammonia nitrogen and the organic matters in wastewater. The ceramsite nanosphere purification material is in a suspended state and is fully mixed with the wastewater, so that the removal of pollutants such as micromolecules and easily degradable ammonia nitrogen is accelerated, and particularly, when the concentration of the ammonia nitrogen in the water is very high, the ceramsite nanosphere purification material has more obvious advantages and is incomparable with other traditional methods.
Compared with the traditional process, the method and the device disclosed by the invention can achieve a better ammonia nitrogen treatment effect, have a high input-output ratio, effectively reduce the investment cost and the operation cost of ammonia nitrogen treatment, well complete the removal of ammonia nitrogen in water, control the ammonia nitrogen of high-concentration and difficult-to-degrade ammonia nitrogen wastewater to be below 15mg/L, reach the national first-level discharge standard, solve the defect of difficult-to-degrade ammonia nitrogen treatment in wastewater at the present stage, and further reduce the concentration of other pollutants in the wastewater.
The invention has the technical advantages that: the degradation speed is high, and a good wastewater treatment effect can be obtained only by 30 minutes to 1 hour generally; the method has the advantages of obvious removal effect on the ammonia nitrogen which is difficult to degrade, mild oxidation reaction conditions, less investment and low energy consumption, and can generate photocatalytic oxidation reaction by ultraviolet irradiation and air aeration; no secondary pollution, and complete oxidation and degradation of organic matter into CO2、H2O and NO3 +(ii) a The application range is wide, and almost all sewage can be adopted. Nanosphere purification material and photocatalyst TiO2The catalyst can be continuously used without separation and recovery, and can be widely applied to industrial water treatment.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
In fig. 1, the treatment apparatus of the present invention is provided with a water tank 11, which is divided into a front process unit and a rear process unit, wherein the front process unit is a photocatalyst catalytic oxidation process unit and the rear process unit is a high efficiency nano purification process unit. The set of processing device is used for processing 350m discharged by a certain pharmaceutical workshop3The wastewater in the workshop is taken as an example, the wastewater in the workshop has the characteristics of intermittent discharge, large change of water quality and quantity, higher ammonia nitrogen concentration, high organic matter concentration and complex components, and the index of ammonia nitrogen in raw water is 1400-25000 mg/L. Firstly, collecting high ammonia nitrogen wastewater in a workshop into a sewage collecting tank, and extractingThe pump is lifted to the water inlet 1 of the device. The device is characterized in that a separation plate 12 is arranged in the middle of a water tank 11, a pretreatment water tank 111 and a rear deep purification water tank 112 are formed in the water tank 11, water enters the pretreatment water tank 111 at the lower part of one side far away from a rear process unit, water overflows and exits from the upper end of the separation plate 12, a vertical aluminum-based photocatalyst filter screen 2 is arranged at the position of every 20cm in the water flow direction, and nano TiO is attached to the vertical aluminum-based photocatalyst filter screen2Arranging a sealed ozone-generating ultraviolet lamp 3 between every two aluminum-based photocatalyst filter screens 2 according to the width of every 20cm, wherein a lamp shade is sleeved outside a lamp tube for sealing, the ultraviolet lamps are vertically arranged, one part of the lamp shade is immersed in a water body, the other part of the lamp shade is exposed above the water body, a lamp cap 9 is fixed in a box body sealed space 113 above a pretreatment water tank 111, and the reference number of the drawing is 10 for connecting the lamp cap; the air pipe 4 disposed at the bottom of the pre-treatment water tank 111 is aerated by blowing air by a blower. Sewage enters a pretreatment water tank 111 of a water tank 11 through a water inlet pipe 1, and an ozone-generating ultraviolet lamp 3 exerts huge oxidation capacity under the condition that the ozone-generating ultraviolet lamp generates ozone, and conducts oxidative decomposition on difficultly-degradable high-concentration ammonia nitrogen in the water to form easily-degradable small-molecular ammonia nitrogen; thereafter, the wastewater overflows to the high-efficiency nano purification process unit through the partition plate 12.
The high-efficiency nano purification process unit is arranged in the rear deep purification water tank 112, and is filled with 1/20 boxes of light ceramsite nanosphere purification materials 6, and the bottom of the rear deep purification water tank 112 of the high-efficiency nano purification process unit is provided with an air pipe 4 for blast aeration through an air blower. The wastewater directly flows from the upper part, namely, overflowed water from the partition plate 12, the light nanosphere purification material 6 is rapidly stirred under the drive of aeration and contacts with the wastewater, hydroxyl negative ions are released by the nanosphere purification material 6 to complete rapid oxidation of micromolecule ammonia nitrogen in the wastewater, the ammonia nitrogen is removed, and the wastewater is discharged by the water outlet discharge pipe 8 after reaching the discharge requirement of the urban nano-tubes after being treated. Wherein, reference numeral 7 is a slag blocking mesh enclosure at the water inlet of the water outlet discharge pipe 8.
The air aeration pipe 4 is provided with a micropore aerator 5.
According to the invention, multiple treatment means are organically superposed, so that the equipment volume can be reduced, and the environmental cleanness and the running economy can be kept; meanwhile, the treatment effect is 1+1 > 2, an ozone generating ultraviolet lamp tube is arranged in the device, the device can emit ultraviolet rays and generate ozone, and the photocatalyst greatly improves the superposed oxidizing capability of the ozone and the ultraviolet rays under the two conditions, so that ammonia nitrogen in water is rapidly decomposed. The bottom of the tank is aerated, the water is aerated, and the dissolved ozone can be directly generated in the water, in addition, the aeration also plays a role in gas stirring, on one hand, the gas stirring enables the ceramsite nano purification material to be suspended in the water and fully contacted with the wastewater, and the reaction is more full and rapid. On the other hand, the ozone generated above the liquid surface can be dissolved in the water, so that the ozone content in the water body is improved, and the oxidizing capability is enhanced. Greatly improving the removal effect of ammonia nitrogen in the wastewater.
The specific examples described herein are merely illustrative of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims set out below.
Claims (3)
1. The efficient treatment method of the nondegradable ammonia nitrogen wastewater is characterized in that the nondegradable ammonia nitrogen wastewater is treated by a photocatalyst catalytic oxidation process in a box body, then directly enters a nano purification process stage in the same box body through overflow, nanosphere purification materials release hydroxyl anions to be fully mixed with the wastewater under aeration stirring, the rapid oxidation of micromolecule ammonia nitrogen in the wastewater is completed, and the treated wastewater reaching the standard is discharged from a lower water outlet.
2. The utility model provides a high-efficient processing apparatus of difficult degradation ammonia nitrogen waste water which characterized in that: comprises a box body, wherein a photocatalyst catalytic oxidation process unit and a nanometer purification process unit are arranged in the box body; the tank body is divided by a partition board to form a photocatalyst catalytic oxidation process inner water tank and a nanometer purification process inner water tank which are in an upstream-downstream relationship, the two inner water tanks are communicated by overflowing from the upper part of the partition board, wastewater is directly fed from the upper part of the nanometer purification process unit after being treated by the photocatalyst catalytic oxidation process unit, the discharged water of the nanometer purification process unit is discharged from the lower part, an air aeration pipe is arranged at the bottom of the nanometer purification process inner water tank, and ceramsite nanosphere purification materials are filled in the nanometer purification process inner water tank.
3. The high-efficiency treatment device for the ammonia nitrogen wastewater difficult to degrade according to claim 2, characterized in that: a wastewater inlet pipe of the water tank in the photocatalyst catalytic oxidation process is arranged at the lower part of the tank body, a plurality of photocatalyst filter screens are vertically arranged in the water tank in the photocatalyst catalytic oxidation process along the water flow direction, the filter screens are arranged on the tank body through a reserved groove on the tank body, and an ozone-generating ultraviolet lamp tube is arranged between the two filter screens; one part of the ozone ultraviolet lamp tube is positioned below the height of the isolation plate, and the other part of the ozone ultraviolet lamp tube is positioned above the height of the isolation plate; an air aeration pipe is arranged at the bottom of the water tank in the photocatalyst catalytic oxidation process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911081104.9A CN110902901A (en) | 2019-11-07 | 2019-11-07 | High-efficiency treatment method and treatment device for degradation-resistant ammonia nitrogen wastewater |
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| CN201911081104.9A CN110902901A (en) | 2019-11-07 | 2019-11-07 | High-efficiency treatment method and treatment device for degradation-resistant ammonia nitrogen wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116282462A (en) * | 2022-10-08 | 2023-06-23 | 南京大学盐城环保技术与工程研究院 | Photocatalysis device for advanced treatment of biochemical tail water and photocatalysis process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201276433Y (en) * | 2008-09-28 | 2009-07-22 | 南京师范大学 | Nano negative ion material catalytic apparatus applied to water treatment |
| US20110031187A1 (en) * | 2007-08-30 | 2011-02-10 | Jong Seob Shim | Water treatment system and method using high pressure advanced oxidation process with unreacted ozone reusing |
| CN104445511A (en) * | 2014-12-11 | 2015-03-25 | 厦门市宇洲环保科技有限公司 | Combined device for treating ammonia nitrogen in wastewater |
| CN104984638A (en) * | 2014-12-15 | 2015-10-21 | 厦门市宇洲环保科技有限公司 | Multiple effect integrated waste gas purification system |
-
2019
- 2019-11-07 CN CN201911081104.9A patent/CN110902901A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110031187A1 (en) * | 2007-08-30 | 2011-02-10 | Jong Seob Shim | Water treatment system and method using high pressure advanced oxidation process with unreacted ozone reusing |
| CN201276433Y (en) * | 2008-09-28 | 2009-07-22 | 南京师范大学 | Nano negative ion material catalytic apparatus applied to water treatment |
| CN104445511A (en) * | 2014-12-11 | 2015-03-25 | 厦门市宇洲环保科技有限公司 | Combined device for treating ammonia nitrogen in wastewater |
| CN104984638A (en) * | 2014-12-15 | 2015-10-21 | 厦门市宇洲环保科技有限公司 | Multiple effect integrated waste gas purification system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116282462A (en) * | 2022-10-08 | 2023-06-23 | 南京大学盐城环保技术与工程研究院 | Photocatalysis device for advanced treatment of biochemical tail water and photocatalysis process thereof |
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