CN115321750B - Sewage micro-power AO integrated equipment - Google Patents
Sewage micro-power AO integrated equipment Download PDFInfo
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- CN115321750B CN115321750B CN202210935622.8A CN202210935622A CN115321750B CN 115321750 B CN115321750 B CN 115321750B CN 202210935622 A CN202210935622 A CN 202210935622A CN 115321750 B CN115321750 B CN 115321750B
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- zone
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- sedimentation
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Classifications
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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
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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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
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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
Abstract
The application discloses a sewage micro-power AO integrated device, which comprises: the device comprises a device main body, wherein an anoxic zone, an aerobic zone and a sedimentation zone are formed in the device main body from top to bottom; a return pipe; a water inlet pipe; a water outlet pipe; the sewage is discharged by utilizing the water inlet pipe, inertia force generated by flushing water enters the anoxic zone for anoxic treatment, the sewage after the anoxic treatment in the anoxic zone flows into the aerobic zone by utilizing the gravitational potential energy at the topmost part of the anoxic zone through the backflow pipe for aerobic treatment, the sewage after the treatment in the aerobic zone is discharged into the sedimentation zone by utilizing the gravitational potential energy through the water outlet pipe for sedimentation, so that sewage and clean water are separated, and the separated clean water in the sedimentation zone is discharged by utilizing the gravitational potential energy through the clean water pipe.
Description
Technical Field
The application relates to sewage micro-power AO integrated equipment, and belongs to the technical field of sewage treatment equipment.
Background
The main characteristics of the rural sewage at present are mainly distributed treatment, the characteristics of small water quantity and low concentration are achieved, the conventional rural sewage design is generally a two-grid or three-grid septic tank, the discharge standard of the rural sewage treatment at present cannot be met, the conventional sewage treatment equipment (multistage sewage treatment equipment of CN 208843908U) capable of meeting the discharge standard needs to consume a large amount of electric energy to drive the equipment to form power, the equipment has the problem of excessively high operation cost of consuming a large amount of electric energy to operate, and the durable and effective operation of rural sewage treatment is hindered.
Disclosure of Invention
In order to solve the technical problems, the application provides sewage micro-power AO integrated equipment.
The application is realized by the following technical scheme.
The application provides a sewage micro-power AO integrated device, which comprises:
the device comprises a device main body, wherein an anoxic zone, an aerobic zone and a sedimentation zone are formed in the device main body from top to bottom;
the two ends of the return pipe are correspondingly communicated with the anoxic zone and the aerobic zone;
one end of the water inlet pipe penetrates through the equipment main body of the aerobic section and extends into the anoxic zone to be communicated; the other end of the water inlet pipe is positioned outside the equipment main body of the aerobic section and is suspended in the air;
one end of the water outlet pipe is positioned in the aerobic zone, and the other end of the water outlet pipe is positioned in the sedimentation zone;
one end of the clear water pipe is positioned in the sedimentation zone, and the other end of the clear water pipe penetrates through the main body of the equipment and extends outwards to hang in the air.
The middle part of the equipment main body is fixedly provided with an intermediate baffle A and an intermediate baffle B at intervals in a sealing way, an anoxic zone is formed from the top surface of the intermediate baffle A to the top space of the equipment main body, an aerobic zone is formed from the bottom of the intermediate baffle A to the space of the equipment main body at the top of the intermediate baffle B, and a sedimentation zone is formed from the bottom of the intermediate baffle B to the space of the bottom of the equipment main body.
And a reflux device is arranged on the water inlet pipe positioned in the aerobic zone.
The reflux device is higher than the suspension end of the water inlet pipe, and can enable liquid in the aerobic zone to enter the water inlet pipe without reflux and pour out.
The end part of the return pipe communicated in the aerobic zone is lower than the suspension end of the water inlet pipe.
And the return pipe is provided with an air inlet device, and the air inlet device can enable air to enter the return pipe without flowing back out for oxygen supplementing.
The end part of the water outlet pipe positioned in the aerobic zone is provided with an aerobic zone water outlet weir, and the aerobic zone water outlet weir is higher than the reflux device.
The end part of the water outlet pipe positioned in the sedimentation area is provided with a vertical flow sedimentation device, and the bottom of the vertical flow sedimentation device is provided with a baffle plate presenting taper by using a connecting rod.
The bottom of the equipment main body positioned in the sedimentation zone is communicated with and provided with a periodic mud discharging device.
And a settling zone water outlet weir is arranged at the end part of the clear water pipe positioned in the settling zone, and is higher than the vertical flow settling device.
The application has the beneficial effects that: the sewage enters the anoxic zone through the water inlet pipe to perform anoxic treatment by utilizing the inertia force generated by flushing during discharge, the sewage after anoxic treatment in the anoxic zone flows into the aerobic zone through the reflux pipe by utilizing the gravitational potential energy at the topmost part of the anoxic zone to perform aerobic treatment, the sewage after treatment in the aerobic zone is discharged into the sedimentation zone through the water outlet pipe to be precipitated by utilizing the gravitational potential energy, so that sewage and clear water are separated, and the separated clear water in the sedimentation zone is discharged through the clear water pipe by utilizing the gravitational potential energy.
Drawings
FIG. 1 is a schematic view of the structure of the present application in internal section;
in the figure: 1-an apparatus body; 11-an intermediate partition plate A; 12-an intermediate partition board B; 15-anoxic zone; a 16-aerobic zone; 17-a precipitation zone; 2-a water inlet pipe; 21-a reflux unit; 3-a return pipe; 31-an air inlet device; 4-a water outlet pipe; 41-an aerobic zone effluent weir; 42-vertical flow precipitator; 43-baffle; 44-a periodic mud discharging device; 5-a clear water pipe; 51-a sedimentation zone effluent weir.
Detailed Description
The technical solution of the present application is further described below, but the scope of the claimed application is not limited to the above.
As shown in fig. 1.
The application relates to a sewage micro-power AO integrated device, which comprises:
providing a hollow equipment main body 1 in the accommodating space, wherein the equipment main body 1 is formed by correspondingly connecting a base, an intermediate body and a top cover through flange joints to form a hollow body with the hollow inside; the middle part of the equipment main body 1 is fixedly provided with an intermediate baffle A11 and an intermediate baffle B12 at intervals in a sealing way, an anoxic zone 15 is formed from the top surface of the intermediate baffle A11 to the top space of the equipment main body 1, an aerobic zone 16 is formed from the bottom of the intermediate baffle A11 to the space of the equipment main body 1 at the top of the intermediate baffle B12, and a sedimentation zone 17 is formed from the bottom of the intermediate baffle B12 to the space of the bottom of the equipment main body 1.
The device main body 1 with one end penetrating through the aerobic zone 16 section extends into the water inlet pipe 2 in the anoxic zone 15 through the middle partition plate A11, the other end of the water inlet pipe 2 is positioned outside the device main body 1 with the aerobic zone 16 section and is suspended, and the end part of the suspended water inlet pipe 2 is in butt joint communication with a sewage pipe in use; the water inlet pipe 2 in the aerobic zone 16 is provided with a reflux device 21 formed by a venturi tube, the reflux device 21 is higher than the suspension end of the water inlet pipe 2, the reflux device 21 can enable liquid in the aerobic zone 16 to enter the water inlet pipe 2 without reflux and pour out, and when sewage enters from the water inlet pipe 2 and passes through the reflux device 21, part of the sewage in the aerobic zone 16 enters the water inlet pipe 2 through the reflux device 21 to be mixed and enter the anoxic zone 15.
One end of the return pipe 3 is communicated with the anoxic zone 15 at the top of the equipment main body 1, the other end of the return pipe 3 is communicated with the aerobic zone 16 below the water inlet pipe 2, the other end of the return pipe 3 is hermetically penetrated into the aerobic zone 16 from the equipment main body 1, and the end part of the return pipe 3 communicated with the aerobic zone 16 is lower than the suspended end of the water inlet pipe 2; the return pipe 3 is provided with an air inlet device 31 formed by a Venturi tube, the air inlet device 31 can enable air to enter the return pipe 3 and not flow back out for oxygen supplementing, sewage enters the anoxic zone 15 from the water inlet pipe 2 for treatment, and then flows back into the aerobic zone 16 through the return pipe 3 for treatment.
One end of the vertical flow precipitator 42 is provided with a baffle 43 presenting taper, the bottom of the vertical flow precipitator 42 is provided with a connecting rod, and sewage treated in the aerobic zone 16 enters the sedimentation zone 17 for sedimentation so as to separate dirt from clean water.
The bottom of the device main body 1 located in the sedimentation area 17 is provided with a periodic mud discharging device 44 in a communicating manner, the periodic mud discharged from the sedimentation area 17 is discharged periodically through the periodic mud discharging device 44, and the periodic mud discharging device 44 can be formed by a manual valve or an electric valve.
One end of the clear water pipe 5 is provided with a sedimentation area water outlet weir 51 and is positioned in the sedimentation area 17 and higher than the vertical flow precipitator 42, and the other end of the clear water pipe 5 penetrates through the equipment main body 1 of the sedimentation area 17 section to extend outwards and hang in the air, and the clear water pipe is communicated and installed in a drainage ditch when in use. After the sewage is precipitated and separated from the clean water in the precipitation area 17, the clean water flows from the water outlet weir 51 of the precipitation area to the clean water pipe 5 to be discharged to the external environment such as an external drainage ditch, and the sludge is discharged from the bottom of the precipitation area 17 irregularly through the periodic sludge discharge device 44.
Working principle: the anoxic zone 15, the aerobic zone 16 and the sedimentation zone 17 are formed in the equipment main body 1 from top to bottom, the suspended port of the water inlet pipe 2 is communicated with a sewage pipe used in rural areas, firstly, the sewage enters the anoxic zone 15 for anoxic treatment through the water inlet pipe 2 by utilizing the inertia force generated by flushing during discharge, secondly, the sewage after anoxic treatment in the anoxic zone 15 flows into the aerobic zone 16 through the return pipe 3 by utilizing the gravitational potential energy of the anoxic zone 15 at the topmost part for aerobic treatment, and finally, the sewage after treatment in the aerobic zone 16 is discharged into the sedimentation zone 17 through the water outlet pipe 4 by utilizing the gravitational potential energy to be sedimentated so as to separate dirt from clean water, and the clean water separated in the sedimentation zone 17 is discharged through the clean water pipe 5 by utilizing the gravitational potential energy.
Claims (10)
1. A sewage micro-power AO integrated device, comprising:
the device comprises a device main body (1), wherein an anoxic zone (15), an aerobic zone (16) and a sedimentation zone (17) are formed in the device main body (1) from top to bottom;
the two ends of the return pipe (3) are correspondingly communicated with the anoxic zone (15) and the aerobic zone (16);
the water inlet pipe (2), one end of the water inlet pipe (2) penetrates through the equipment main body (1) of the aerobic zone (16) section and stretches into the anoxic zone (15) to be communicated; the other end of the water inlet pipe (2) is positioned outside the equipment main body (1) of the aerobic zone (16);
one end of the water outlet pipe (4) is positioned in the aerobic zone (16), and the other end of the water outlet pipe (4) is positioned in the sedimentation zone (17);
one end of the clear water pipe (5) is positioned in the sedimentation zone (17), and the other end of the clear water pipe (5) penetrates through the equipment main body (1) and extends outwards to hang in the air.
2. The sewage micro-power AO integrated device according to claim 1, wherein an intermediate baffle A (11) and an intermediate baffle B (12) are fixedly arranged in the middle of the device main body (1) at intervals in a sealing way, an anoxic zone (15) is formed from the top surface of the intermediate baffle A (11) to the top space of the device main body (1), an aerobic zone (16) is formed from the bottom of the intermediate baffle A (11) to the space of the device main body (1) at the top of the intermediate baffle B (12), and a sedimentation zone (17) is formed from the bottom of the intermediate baffle B (12) to the bottom space of the device main body (1).
3. The wastewater micro-power AO-integrated device of claim 2, wherein: and a reflux device (21) is arranged on the water inlet pipe (2) positioned in the aerobic zone (16).
4. A sewage micro-power AO integrated device according to claim 3 and wherein said reflux means (21) is higher than the suspended end of the inlet pipe (2), said reflux means (21) being capable of allowing liquid in the aerobic zone (16) to enter the inlet pipe (2) without reflux for pouring out.
5. The wastewater micro-power AO-integrated device of claim 1, wherein: the end part of the return pipe (3) communicated with the aerobic zone (16) is lower than the suspension end of the water inlet pipe (2).
6. The wastewater micro-power AO-integrated device of claim 1, wherein: the return pipe (3) is provided with an air inlet device (31), and the air inlet device (31) can enable air to enter the return pipe (3) without flowing back to supplement oxygen.
7. The sewage micro-power AO integrated equipment according to claim 1, wherein an aerobic zone effluent weir (41) is arranged at the end part of the water outlet pipe (4) positioned in the aerobic zone (16), and the aerobic zone effluent weir (41) is higher than the reflux device (21).
8. The wastewater micro-power AO-integrated device of claim 1, wherein: the end part of the water outlet pipe (4) positioned in the sedimentation area (17) is provided with a vertical flow sedimentation device (42), and the bottom of the vertical flow sedimentation device (42) is provided with a baffle plate (43) presenting taper.
9. The wastewater micro-power AO-integrated device of claim 1, wherein: the bottom of the equipment main body (1) positioned in the sedimentation zone (17) is communicated with and provided with a periodic mud discharging device (44).
10. The wastewater micro-power AO-integrated device of claim 1, wherein: the end part of the clear water pipe (5) positioned in the sedimentation zone (17) is provided with a sedimentation zone water outlet weir (51), and the sedimentation zone water outlet weir (51) is higher than the vertical flow precipitator (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210935622.8A CN115321750B (en) | 2022-08-04 | 2022-08-04 | Sewage micro-power AO integrated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210935622.8A CN115321750B (en) | 2022-08-04 | 2022-08-04 | Sewage micro-power AO integrated equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115321750A CN115321750A (en) | 2022-11-11 |
| CN115321750B true CN115321750B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210935622.8A Active CN115321750B (en) | 2022-08-04 | 2022-08-04 | Sewage micro-power AO integrated equipment |
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301673A (en) * | 1999-12-29 | 2001-07-04 | 孙复华 | Vertical sectional integrated waste water biochemical treatment method and device |
| JP2002166101A (en) * | 2000-09-25 | 2002-06-11 | Sekisui Chem Co Ltd | Organic solid storage apparatus |
| CN2923688Y (en) * | 2006-06-17 | 2007-07-18 | 中山市环保实业发展有限公司 | Integrated self-return-flow multi-stage biological-chemical sewage treatment device |
| CN101935130A (en) * | 2010-06-25 | 2011-01-05 | 余静 | Zero-energy consumption and low sludge yield method for denitrifying urban sewage |
| CN102515353A (en) * | 2012-01-12 | 2012-06-27 | 四川农业大学 | Simple and energy-saving sewage biological denitrification device |
| WO2016175710A1 (en) * | 2015-04-28 | 2016-11-03 | Aquatec Vfl S. R. O. | Method and device for treatment of wastewater using activated sludge process with enhanced nitrogen and phosphorus removal |
| KR101720201B1 (en) * | 2016-03-28 | 2017-03-27 | 주식회사 동남이엔씨 | Non powered storage tank for preventing formation of stagnat region |
| CN107954516A (en) * | 2017-11-21 | 2018-04-24 | 江西省火电建设公司 | Circulation improvement A/O integrated sewage disposal techniques in one kind four |
| CN108911138A (en) * | 2018-08-10 | 2018-11-30 | 深圳市清研环境科技有限公司 | Vertical partitioning anaerobic-aerobic-mud-water separation integral type sewage processing method |
| WO2020029264A1 (en) * | 2018-08-10 | 2020-02-13 | 深圳市清研环境科技有限公司 | Integrated sewage treatment method of vertically partitioned anaerobic-aerobic-sludge-water separation |
| CN110845072A (en) * | 2019-10-22 | 2020-02-28 | 贵州楚天两江环境股份有限公司 | Integrated sewage purification equipment |
| CN210505759U (en) * | 2019-08-30 | 2020-05-12 | 中清生态环境(宁波)有限公司 | Self-circulation efficient biological denitrification device |
| CN211255617U (en) * | 2019-10-22 | 2020-08-14 | 贵州楚天两江环境股份有限公司 | Integrated sewage purification equipment |
| CN212293204U (en) * | 2020-04-09 | 2021-01-05 | 安徽净川生态环境有限公司 | Vertical micro-power self-circulation efficient sewage treatment equipment |
| CN212334939U (en) * | 2020-05-18 | 2021-01-12 | 上海蓝科石化环保科技股份有限公司 | Closed sewage biochemical treatment device |
| CN214653942U (en) * | 2021-02-05 | 2021-11-09 | 重庆港力环保股份有限公司 | Integrated vertical A2O sewage treatment equipment applied to deep denitrification and dephosphorization |
| CN113620428A (en) * | 2021-08-16 | 2021-11-09 | 华夏碧水环保科技有限公司 | Anoxic tank water distribution system and method for integrated domestic sewage treatment equipment |
| WO2022146265A1 (en) * | 2020-12-28 | 2022-07-07 | Cukurova Universitesi Rektorlugu | Single unit vertical aerobic / anaerobic biological wastewater treatment plant without pre-setllement unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7105162B2 (en) * | 2018-10-04 | 2022-07-22 | 株式会社クボタ | Organic wastewater treatment equipment |
-
2022
- 2022-08-04 CN CN202210935622.8A patent/CN115321750B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301673A (en) * | 1999-12-29 | 2001-07-04 | 孙复华 | Vertical sectional integrated waste water biochemical treatment method and device |
| JP2002166101A (en) * | 2000-09-25 | 2002-06-11 | Sekisui Chem Co Ltd | Organic solid storage apparatus |
| CN2923688Y (en) * | 2006-06-17 | 2007-07-18 | 中山市环保实业发展有限公司 | Integrated self-return-flow multi-stage biological-chemical sewage treatment device |
| CN101935130A (en) * | 2010-06-25 | 2011-01-05 | 余静 | Zero-energy consumption and low sludge yield method for denitrifying urban sewage |
| CN102515353A (en) * | 2012-01-12 | 2012-06-27 | 四川农业大学 | Simple and energy-saving sewage biological denitrification device |
| WO2016175710A1 (en) * | 2015-04-28 | 2016-11-03 | Aquatec Vfl S. R. O. | Method and device for treatment of wastewater using activated sludge process with enhanced nitrogen and phosphorus removal |
| KR101720201B1 (en) * | 2016-03-28 | 2017-03-27 | 주식회사 동남이엔씨 | Non powered storage tank for preventing formation of stagnat region |
| CN107954516A (en) * | 2017-11-21 | 2018-04-24 | 江西省火电建设公司 | Circulation improvement A/O integrated sewage disposal techniques in one kind four |
| CN108911138A (en) * | 2018-08-10 | 2018-11-30 | 深圳市清研环境科技有限公司 | Vertical partitioning anaerobic-aerobic-mud-water separation integral type sewage processing method |
| WO2020029264A1 (en) * | 2018-08-10 | 2020-02-13 | 深圳市清研环境科技有限公司 | Integrated sewage treatment method of vertically partitioned anaerobic-aerobic-sludge-water separation |
| CN210505759U (en) * | 2019-08-30 | 2020-05-12 | 中清生态环境(宁波)有限公司 | Self-circulation efficient biological denitrification device |
| CN110845072A (en) * | 2019-10-22 | 2020-02-28 | 贵州楚天两江环境股份有限公司 | Integrated sewage purification equipment |
| CN211255617U (en) * | 2019-10-22 | 2020-08-14 | 贵州楚天两江环境股份有限公司 | Integrated sewage purification equipment |
| CN212293204U (en) * | 2020-04-09 | 2021-01-05 | 安徽净川生态环境有限公司 | Vertical micro-power self-circulation efficient sewage treatment equipment |
| CN212334939U (en) * | 2020-05-18 | 2021-01-12 | 上海蓝科石化环保科技股份有限公司 | Closed sewage biochemical treatment device |
| WO2022146265A1 (en) * | 2020-12-28 | 2022-07-07 | Cukurova Universitesi Rektorlugu | Single unit vertical aerobic / anaerobic biological wastewater treatment plant without pre-setllement unit |
| CN214653942U (en) * | 2021-02-05 | 2021-11-09 | 重庆港力环保股份有限公司 | Integrated vertical A2O sewage treatment equipment applied to deep denitrification and dephosphorization |
| CN113620428A (en) * | 2021-08-16 | 2021-11-09 | 华夏碧水环保科技有限公司 | Anoxic tank water distribution system and method for integrated domestic sewage treatment equipment |
Non-Patent Citations (2)
| Title |
|---|
| Nitrification and denitrifying phosphorus removal in an upright continuous flow reactor;Maryam Reza等;Water Sci Technol;第73卷(第9期);全文 * |
| 污水处理一体化装置的研究现状与展望;邱国华,胡龙兴;环境污染治理技术与设备(第05期);全文 * |
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| CN115321750A (en) | 2022-11-11 |
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