CN115196830A - Manufacturing method of high-nitrogen high-phosphorus pharmaceutical wastewater treatment system - Google Patents
Manufacturing method of high-nitrogen high-phosphorus pharmaceutical wastewater treatment system Download PDFInfo
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- CN115196830A CN115196830A CN202210836743.7A CN202210836743A CN115196830A CN 115196830 A CN115196830 A CN 115196830A CN 202210836743 A CN202210836743 A CN 202210836743A CN 115196830 A CN115196830 A CN 115196830A
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- 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
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- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- 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
- C02F2101/105—Phosphorus compounds
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- 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
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- 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
- C02F2101/38—Organic compounds containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/343—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the pharmaceutical industry, e.g. containing antibiotics
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Environmental & Geological Engineering (AREA)
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- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
A high nitrogen and high phosphorus pharmaceutical wastewater treatment system comprises a water flow tank, an ammoniation tank and a water supply tank, wherein the water flow tank is communicated with the ammoniation tank; the speed changing box is fixedly connected with the outer wall of the ammoniation box, one end of an input shaft of the speed changing box is fixedly connected with an impeller, and the impeller is positioned in the water flow groove; the bacteria box is fixed on the outer wall of the ammoniation box, the upper end of the fifth pipe is fixedly communicated with the bacteria box, the lower end of the fifth steel pipe is fixedly connected with the valve casing, two ends of the sixth pipe are respectively fixedly communicated with the valve casing and the ammoniation box, and the adjacent ends of the sixth pipe and the fifth pipe are coaxial; a circular cavity is arranged in the valve shell, and the rotating wheel is rotatably positioned in the valve shell; an output shaft of the gearbox movably penetrates through the valve shell, and is coaxially and fixedly connected with the rotating wheel; the rotating wheel is provided with an axial through hole, and the size of the through hole or the fifth pipe is the same as that of the output shaft of the gearbox; the effect of automatically adding the ammonifying bacteria is realized, and in addition, the effect of adding the amount of the bacteria liquid according to the flow of the wastewater is achieved.
Description
Technical Field
The invention relates to a water treatment system, in particular to a high-nitrogen high-phosphorus pharmaceutical wastewater treatment system and a manufacturing method thereof.
Background
With the rapid development of the pharmaceutical industry, the problem of pharmaceutical wastewater pollution to the environment is more and more severe. The total production value of the pharmaceutical industry accounts for about 2 percent of the total industrial value, and the discharge amount of the waste water accounts for about 2.5 percent of the total discharge amount of the waste water. Pharmaceutical companies can be classified into fermentation, chemical synthesis, extraction, bioengineering, chinese medicine, mixed preparation, etc. according to the difference of production process. The chemical synthesis pharmaceutical enterprises in pharmaceutical companies are the most, and the residual chemical agents cause high nitrogen and phosphorus concentration, high content of toxic and harmful substances and poor biodegradability in the wastewater.
The high-concentration nitrogen and phosphorus pharmaceutical wastewater can cause water eutrophication and deteriorate the water quality of the water body; consuming dissolved oxygen in the water body; increase the cost of water treatment; at the same time, it is harmful to human health.
At present, the ammoniated bacteria are required to be added in the first step of denitrification, but the ammoniated bacteria are all added manually, the labor is consumed, and a worker is required to be occupied for adding the ammoniated bacteria.
Disclosure of Invention
Aiming at the defect that in the prior art, only one worker is required to add the ammoniated bacteria, the invention provides the manufacturing method of the high-nitrogen high-phosphorus pharmaceutical wastewater treatment system, and the effect of automatically adding the ammoniated bacteria is realized.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
a process for treating the high-nitrogen and high-phosphorus pharmaceutical wastewater comprises the following steps,
s1, ammoniation reaction: decomposing nitrogen-containing organic matters in the wastewater by using ammonifying bacteria to convert the nitrogen-containing organic matters into NH +;
s2, nitrosation reaction: converting NH & lt + & gt in the wastewater after the ammoniation reaction into nitrite by using nitrite bacteria;
s3, nitration reaction: converting nitrite in the wastewater after the nitrosation reaction into nitrate by using nitrobacteria;
s4, denitrification reaction: converting nitrate in the wastewater after the nitration reaction into N2 by using denitrifying bacteria;
and S5, removing phosphorus in the wastewater after the denitrification reaction by using a metal coagulant.
Further, the high-nitrogen high-phosphorus pharmaceutical wastewater treatment system is characterized by comprising an ammoniation tank, a water flow tank, a nitrosation tank, a first pipe, a nitrification tank, a second pipe, a denitrification tank, a third pipe, a phosphorus removal tank, a fourth pipe and a uniform adding device;
the water flow groove is communicated with an ammoniation box, and the ammoniation box is used for adding ammoniated bacteria;
the equalizing device comprises a gear box, an impeller, a valve shell, a rotating wheel, a through hole, a bacteria box, a fifth pipe and a sixth pipe;
the gearbox is fixedly connected with the outer wall of the ammoniation tank, one end of an input shaft of the gearbox is fixedly connected with an impeller, and the impeller is positioned in the water flow groove;
the bacterium box is fixed on the outer wall of the ammoniation box, the upper end of the fifth pipe is fixedly communicated with the bacterium box, the lower end of the fifth steel pipe is fixedly connected with the valve casing, two ends of the sixth pipe are respectively and fixedly communicated with the valve casing and the ammoniation box, and the adjacent ends of the sixth pipe and the fifth pipe are coaxial; a circular cavity is arranged in the valve shell, and the runner is rotatably positioned in the valve shell;
an output shaft of the gearbox movably penetrates through the valve shell, and is coaxially and fixedly connected with the rotating wheel;
the rotating wheel is provided with an axial through hole, and the size of the through hole or the fifth pipe is the same as that of the output shaft of the gearbox;
the two ends of the first pipe are respectively communicated with the nitrosation box and the ammonification box;
two ends of the second pipe are respectively communicated with the nitrosation box and the nitrification box;
the two ends of the third pipe are respectively communicated with the nitrification box and the denitrification box;
and the fourth pipe is used for respectively communicating the denitrification tank with the dephosphorization tank.
Further, the spreading assembly comprises a rotating pipe, a leaking pipe, a driven gear, a motor, a driving gear, a coagulant box, a fixed support, an output pipe, a connecting barrel and a transition bearing;
the rotating pipe is rotatably connected with the wall of the dephosphorization box through a bearing and is vertical; one end of the leakage pipe is fixed and communicated with the lower end of the rotating pipe, one end of the leakage pipe, which is far away from the rotating pipe, is closed, and a leakage hole is formed in the lower edge of the leakage pipe;
the driven gear is fixedly sleeved on the periphery of the rotating pipe in a penetrating manner, the driving gear is meshed with the driven gear, the free end of the rotating shaft of the motor is coaxially and fixedly connected with the driving gear, and the motor is fixedly connected with the outer wall of the dephosphorization box;
the coagulant tank is fixedly connected with the dephosphorization tank through a fixing bracket, the lower side of the coagulant tank is conical, and the tip end of the coagulant tank is fixedly connected with the upper end of the output pipe; a gap of mm is formed between the lower end of the output pipe and the upper end of the rotating pipe;
the inner ring of the transition bearing is fixedly connected with the outer peripheral wall of the output pipe, one end of the connecting barrel is fixedly penetrated in the periphery of the rotating pipe, and the outer ring of the transition bearing is fixedly connected with the inner wall of the connecting barrel.
Further, the radial length of the leakage pipe is the same as that of the dephosphorization box.
The invention has the beneficial effects that:
because the impeller and the rotating wheel form a certain transmission ratio, the rotating speed of the impeller is determined by the flow of the wastewater, namely the rotating wheel also forms a certain proportion with the flow of the wastewater; when the rotating wheel rotates to the position that the axial through hole is coaxial with the fifth pipe, bacteria in the bacteria box can temporarily flow into the ammoniation box through the fifth pipe and the sixth pipe, and the amount of the bacteria added into the ammoniation box is weighed to be in a certain proportion to the flow of the wastewater; the effect of automatically adding the ammonifying bacteria is realized, and in addition, the effect of adding the amount of the bacteria liquid according to the flow of the wastewater is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is an enlarged schematic view of B in fig. 2.
FIG. 4 is a schematic view of the structure of the output pipe and the rotating pipe;
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In order to make the content of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
A process for treating the high-nitrogen and high-phosphorus pharmaceutical wastewater comprises the following steps,
s1, ammoniation reaction: decomposing nitrogen-containing organic matters in the wastewater by using ammonifying bacteria to convert the nitrogen-containing organic matters into NH +;
s2, nitrosation reaction: converting NH & lt + & gt in the wastewater after the ammoniation reaction into nitrite (NO 2-);
s3, nitration reaction: converting nitrite (NO 2-) in the wastewater after the nitrosation reaction into nitrate (NO 3-);
s4, denitrification reaction: nitrate (NO 3-) in the wastewater after the nitration reaction is converted into N2 by denitrifying bacteria. Thus far, the removal of nitrogen is completed
And S5, removing phosphorus in the wastewater after the denitrification reaction by using a metal coagulant (sodium aluminate and ferrous sulfate).
A high-nitrogen high-phosphorus pharmaceutical wastewater treatment system comprises an ammoniation tank 10, a water flow tank 11, a nitrosation tank 20, a first pipe 21, a nitrification tank 30, a second pipe 32, a denitrification tank 40, a third pipe 43, a dephosphorization tank 50, a fourth pipe 54 and an adding equalizer 60;
the water flow groove 11 is communicated with the ammoniation tank 10, the water flow groove 11 is used for guiding the wastewater to flow into the ammoniation tank 10, and the ammoniation tank 10 is used for adding ammoniated bacteria.
Referring to fig. 2, the homogenizer 60 includes a gear box 61, an impeller 62, a valve housing 63, a runner 64, a through hole 641, a bacteria box 65, a fifth pipe 66, and a sixth pipe 67;
the gearbox 61 is fixedly connected with the outer wall of the ammoniation tank 10, one end of an input shaft of the gearbox 61 is fixedly connected with an impeller 62, and the impeller 62 is positioned in the water flowing tank 11; namely, the waste water in the water flow groove 11 drives the impeller 62 to rotate;
the bacteria box 65 is fixed on the outer wall of the ammoniation box 10, the upper end of the fifth pipe 66 is fixedly communicated with the bacteria box 65, the lower end of the fifth steel pipe 66 is fixedly connected with the valve casing 63, two ends of the sixth pipe 67 are respectively fixedly communicated with the valve casing 63 and the ammoniation box 10, and the adjacent ends of the sixth pipe 67 and the fifth pipe 66 are coaxial; a circular cavity is arranged in the valve housing 63, and the runner 64 is rotatably arranged in the valve housing 63;
an output shaft of the gearbox 61 movably penetrates through the valve casing 63, and the output shaft of the gearbox 61 is coaxially and fixedly connected with the rotating wheel 64;
the rotating wheel 64 is provided with an axial through hole 641, and the size of the through hole 641 or the size of the fifth pipe 66 is the same as that of the output shaft of the gearbox 61; that is, when the runner 64 is rotated to the axial through hole 641 to be coaxial with the fifth pipe 66, bacteria in the bacteria box 65 can briefly flow into the ammoniation box 10 through the fifth pipe 66 and the sixth pipe 67.
The two ends of the first pipe 21 respectively communicate the nitrosation box 20 with the ammoniation box 10; the nitrosation box 20 is used for adding nitrite bacteria;
the two ends of the second pipe 32 respectively communicate the nitrosation box 20 with the nitrification box 30; the nitrification box 30 is used for adding nitrobacteria;
the two ends of the third pipe 43 respectively communicate the nitrification box 30 with the denitrification box 40; the denitrification box 40 is used for adding denitrifying bacteria;
a fourth pipe 54 connects the denitrification tank 40 with the dephosphorization tank 50, respectively; the dephosphorization box 50 is used for adding metal coagulants (sodium aluminate and ferrous sulfate);
in summary, since the impeller 62 and the runner 64 have a certain transmission ratio, the rotation speed of the impeller 62 is determined by the flow rate of the wastewater, i.e. the runner 64 is also in a certain proportion to the flow rate of the wastewater; when the rotating wheel 64 rotates to the axial through hole 641 and the fifth pipe 66 are coaxial, bacteria in the bacteria box 65 can temporarily flow into the ammoniation box 10 through the fifth pipe 66 and the sixth pipe 67, and the amount of bacteria liquid added into the ammoniation box 10 is proportional to the flow of wastewater; the effect of automatically adding the ammonifying bacteria is realized, and in addition, the effect of adding the amount of the bacteria liquid according to the flow of the wastewater is achieved.
Further, the spreading assembly 70 of the metal coagulant (sodium aluminate, ferrous sulfate) comprises a rotating pipe 71, a leaking pipe 72, a driven gear 73, a motor 74, a driving gear 75, a coagulant box 76, a fixed bracket 77, an output pipe 78, a connecting barrel 79 and a transition bearing 80;
referring to fig. 3, the rotating pipe 71 is rotatably connected to the wall of the phosphorus removing box 50 through a bearing (preferably, the bearing is a rotary support bearing), and the rotating pipe 71 is vertical; one end of the leakage pipe 72 is fixed and communicated with the lower end of the rotating pipe 71, one end of the leakage pipe 72, which is far away from the rotating pipe 71, is closed, and a leakage hole is formed in the lower edge of the leakage pipe 72.
The driven gear 73 is fixedly sleeved on the periphery of the rotating pipe 71 in a penetrating manner, the driving gear 75 is meshed with the driven gear 73, the free end of the rotating shaft of the motor 74 is coaxially and fixedly connected with the driving gear 75, and the motor 74 is fixedly connected with the outer wall of the dephosphorization box 50;
the coagulant tank 76 is fixedly connected with the dephosphorization tank 50 through a fixing bracket 77, the lower side of the coagulant tank 76 is conical, and the tip end of the coagulant tank 76 is fixedly connected with the upper end of the output pipe 78; a gap of 0.2mm is reserved between the lower end of the output pipe 78 and the upper end of the rotating pipe 71.
The inner ring of the transition bearing 80 is fixedly connected with the outer peripheral wall of the output pipe 78, one end of the connecting barrel 79 is fixedly penetrated in the periphery of the rotating pipe 71, and the outer ring of the transition bearing 80 is fixedly connected with the inner wall of the connecting barrel 79. That is, the output pipe 78 and the rotating pipe 71 can rotate relatively.
The principle is as follows: the motor drives the rotating pipe 71 and the leaking pipe 72 to rotate, the metal coagulant in the leaking pipe 72 falls into the dephosphorization tank 50 from the leaking hole of the leaking pipe 72, and the coagulant in the coagulant tank 76 is supplemented to the leaking pipe 72 through the output pipe 78 and the rotating pipe 71 in sequence.
Preferably, the drain 72 is the same length as the radius of the phosphorus removal tank 50.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. A process for treating pharmaceutical wastewater with high nitrogen and phosphorus contents comprises the following steps,
s1, ammoniation reaction: decomposing nitrogen-containing organic matters in the wastewater by using ammonifying bacteria to convert the nitrogen-containing organic matters into NH +;
s2, nitrosation reaction: converting NH & lt + & gt in the wastewater after the ammoniation reaction into nitrite by using nitrite bacteria;
s3, nitration reaction: converting nitrite in the wastewater after the nitrosation reaction into nitrate by using nitrobacteria;
s4, denitrification reaction: converting nitrate in the wastewater after the nitration reaction into N2 by using denitrifying bacteria;
and S5, removing phosphorus in the wastewater after the denitrification reaction by using a metal coagulant.
2. A high-nitrogen high-phosphorus pharmaceutical wastewater treatment system is characterized by comprising an ammoniation tank, a water flow tank, a nitrosation tank, a first pipe, a nitrification tank, a second pipe, a denitrification tank, a third pipe, a phosphorus removal tank, a fourth pipe and a uniform adding device;
the water flow groove is communicated with an ammoniation box, and the ammoniation box is used for adding ammoniated bacteria;
the equalizing device comprises a gear box, an impeller, a valve shell, a rotating wheel, a through hole, a bacteria box, a fifth pipe and a sixth pipe;
the gearbox is fixedly connected with the outer wall of the ammoniation tank, one end of an input shaft of the gearbox is fixedly connected with an impeller, and the impeller is positioned in the water flow groove;
the bacteria box is fixed on the outer wall of the ammoniation box, the upper end of the fifth pipe is fixedly communicated with the bacteria box, the lower end of the fifth steel pipe is fixedly connected with the valve casing, two ends of the sixth pipe are respectively and fixedly communicated with the valve casing and the ammoniation box, and the adjacent ends of the sixth pipe and the fifth pipe are coaxial; a circular cavity is arranged in the valve shell, and the rotating wheel is rotatably positioned in the valve shell;
an output shaft of the gearbox movably penetrates through the valve shell, and is coaxially and fixedly connected with the rotating wheel;
the rotating wheel is provided with an axial through hole, and the size of the through hole or the fifth pipe is the same as that of the output shaft of the gearbox;
the two ends of the first pipe are respectively communicated with the nitrosation box and the ammonification box;
the two ends of the second pipe are respectively communicated with the nitrosation box and the nitrification box;
the two ends of the third pipe respectively communicate the nitrification tank with the denitrification tank;
and the fourth pipe respectively communicates the denitrification tank with the dephosphorization tank.
3. The high-nitrogen high-phosphorus pharmaceutical wastewater treatment system according to claim 2,
the spreading assembly comprises a rotating pipe, a leakage pipe, a driven gear, a motor, a driving gear, a coagulant box, a fixed bracket, an output pipe, a connecting barrel and a transition bearing;
the rotating pipe is rotatably connected with the wall of the dephosphorization box through a bearing and is vertical; one end of the leakage pipe is fixed and communicated with the lower end of the rotating pipe, one end of the leakage pipe, which is far away from the rotating pipe, is closed, and a leakage hole is formed in the lower edge of the leakage pipe;
the driven gear is fixedly sleeved on the periphery of the rotating pipe in a penetrating manner, the driving gear is meshed with the driven gear, the free end of the rotating shaft of the motor is coaxially and fixedly connected with the driving gear, and the motor is fixedly connected with the outer wall of the dephosphorization box;
the device comprises a coagulant tank, a dephosphorization tank, a water inlet pipe, a water outlet pipe, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein the coagulant tank is fixedly connected with the dephosphorization tank through a fixing bracket; a gap of.mm is formed between the lower end of the output pipe and the upper end of the rotating pipe;
the inner ring of the transition bearing is fixedly connected with the outer peripheral wall of the output pipe, one end of the connecting barrel is fixedly penetrated in the periphery of the rotating pipe, and the outer ring of the transition bearing is fixedly connected with the inner wall of the connecting barrel.
4. The high-nitrogen high-phosphorus pharmaceutical wastewater treatment system according to claim 3,
the radius and the length of the leakage pipe are the same as those of the dephosphorization box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210836743.7A CN115196830A (en) | 2022-07-15 | 2022-07-15 | Manufacturing method of high-nitrogen high-phosphorus pharmaceutical wastewater treatment system |
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| CN202210836743.7A CN115196830A (en) | 2022-07-15 | 2022-07-15 | Manufacturing method of high-nitrogen high-phosphorus pharmaceutical wastewater treatment system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134147A (en) * | 2011-04-19 | 2011-07-27 | 武汉理工大学 | Modifying method for seasonally enhancing denitrification and dephosphorization by A2O process |
| EP3546268A1 (en) * | 2017-01-24 | 2019-10-02 | Jing-Jin Electric Technologies Co., Ltd | Horizontal vehicle drive assembly |
| CN110606626A (en) * | 2019-09-27 | 2019-12-24 | 西安建筑科技大学 | Synchronous nitrogen and phosphorus removal sewage treatment process |
| CN211620164U (en) * | 2019-12-16 | 2020-10-02 | 新昌县新诚工业产品设计有限公司 | Waste water treatment device |
| CN214495765U (en) * | 2020-12-24 | 2021-10-26 | 赣州科净环保工程技术有限公司 | Industrial wastewater phosphorus removal device |
| CN114105292A (en) * | 2020-08-27 | 2022-03-01 | 中国石油化工股份有限公司 | Wastewater denitrification device and process and application |
-
2022
- 2022-07-15 CN CN202210836743.7A patent/CN115196830A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134147A (en) * | 2011-04-19 | 2011-07-27 | 武汉理工大学 | Modifying method for seasonally enhancing denitrification and dephosphorization by A2O process |
| EP3546268A1 (en) * | 2017-01-24 | 2019-10-02 | Jing-Jin Electric Technologies Co., Ltd | Horizontal vehicle drive assembly |
| CN110606626A (en) * | 2019-09-27 | 2019-12-24 | 西安建筑科技大学 | Synchronous nitrogen and phosphorus removal sewage treatment process |
| CN211620164U (en) * | 2019-12-16 | 2020-10-02 | 新昌县新诚工业产品设计有限公司 | Waste water treatment device |
| CN114105292A (en) * | 2020-08-27 | 2022-03-01 | 中国石油化工股份有限公司 | Wastewater denitrification device and process and application |
| CN214495765U (en) * | 2020-12-24 | 2021-10-26 | 赣州科净环保工程技术有限公司 | Industrial wastewater phosphorus removal device |
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