CN113213717A - Method for killing red nematodes in sewage treatment system - Google Patents
Method for killing red nematodes in sewage treatment system Download PDFInfo
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- CN113213717A CN113213717A CN202110686022.8A CN202110686022A CN113213717A CN 113213717 A CN113213717 A CN 113213717A CN 202110686022 A CN202110686022 A CN 202110686022A CN 113213717 A CN113213717 A CN 113213717A
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- 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
- C02F3/28—Anaerobic digestion processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Abstract
The invention discloses a method for killing red nematodes in a sewage treatment system, which relates to the technical field of sewage treatment and comprises the following steps: s1, monitoring whether the red nematode in the biochemical pool explodes or not; s2, stopping aeration of the biochemical tank if the red nematode explodes, controlling dissolved oxygen in the biochemical tank to be reduced to a preset concentration, and then intermittently feeding water into the biochemical tank; s3, cleaning and collecting the red nematodes on the water surface of the biochemical pool regularly, and then discharging the red nematodes into a collecting device in a centralized manner; and S4, adding a pesticide into the collecting device to kill the red line insects in the collecting device. Compared with the method for directly putting the insecticide into the biochemical pool to kill the red nematodes, the method for killing the red nematodes has the advantages that the using amount of the insecticide used in the method is less, the killing efficiency is higher, the influence of the components of the insecticide on the biological membrane in the biochemical pool is effectively avoided, and compared with ultrasonic wave and ozone treatment, the killing method of the embodiment greatly reduces the treatment cost and the equipment investment.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a method for killing red-line insects in a sewage treatment system.
Background
The red nematode is an oligochaeta animal, can excessively swallow biomembranes and activated sludge, can eat mud by 8-9 times of the weight of the red nematode, can swallow nitrobacteria by fulminantly growing red nematode, causes the reduction of the denitrification capability of a system, has single biological phase, reduces the sludge amount, deteriorates the effluent quality, causes the collapse of a biochemical system by serious people, and has a remarkable phenomenon in a biomembrane treatment process. At present, the common modes for controlling red nematodes include a chemical dosing method, an ultrasonic ozone killing method and a manual cleaning and fishing method, wherein the chemical dosing method generally adds a chemical agent into a reaction tank, so that the problems of large dosage, poor economy and low safety exist, the adding of the chemical agent also has a large killing effect on microorganisms in a biochemical system, and the recovery period of the biochemical system is long; the ultrasonic and ozone killing technology has requirements on the species of the red nematodes and does not have broad spectrum; the manual cleaning and fishing method needs a great deal of manpower and material resources, and has low killing efficiency on the red nematodes.
Disclosure of Invention
1. Technical problem to be solved by the invention
Aiming at the technical problems of low killing efficiency and poor safety of the existing red nematode control method, the invention provides the method for killing the red nematode in the sewage treatment system, which can effectively improve the killing efficiency of the red nematode, reduce the cost and improve the safety.
2. Technical scheme
In order to solve the problems, the technical scheme provided by the invention is as follows:
a method for killing red line insects in a sewage treatment system comprises the following steps:
s1, monitoring whether the red nematode in the biochemical pool explodes or not;
s2, stopping aeration of the biochemical tank if the red nematode explodes, controlling dissolved oxygen in the biochemical tank to be reduced to a preset concentration, and then intermittently feeding water into the biochemical tank;
s3, cleaning and collecting the red nematodes on the water surface of the biochemical pool regularly, and then discharging the red nematodes into a collecting device in a centralized manner;
and S4, adding a pesticide into the collecting device to kill the red line insects in the collecting device.
In the invention, when the outbreak of the red nematodes is monitored, the aeration of the biochemical pool is stopped, the dissolved oxygen in the biochemical pool is controlled to be reduced to a preset concentration, the content of the dissolved oxygen in the biochemical pool is reduced, the biochemical pool is subjected to intermittent water inflow, the dissolved oxygen in the biochemical pool is further consumed by the intermittent water inflow, the dissolved oxygen in the biochemical pool is always kept at a low level, the red nematodes belong to freshwater microorganisms and are aerobic metazoans, so the combination of the aeration and the intermittent water inflow is stopped, a large amount of red nematodes are gathered and float on the water surface of the biochemical pool due to the reduction of the content of the dissolved oxygen in the biochemical pool, the red nematodes on the water surface of the biochemical pool are collected by regular cleaning and concentrated discharging into the collection device, and then the red nematodes in the collection device are concentrated killed by adding a pesticide into the collection device. Compared with the method for directly putting the insecticide into the biochemical pool to kill the red nematodes, the method for killing the red nematodes has the advantages that the red nematodes are collected firstly and then killed by the insecticide, so that the using amount of the insecticide is less, the killing efficiency is higher, the influence of the components of the insecticide on biological membranes in the biochemical pool is effectively avoided, and compared with ultrasonic wave and ozone treatment, the method for killing the red nematodes greatly reduces the treatment cost and equipment investment.
Optionally, in step S3, the red nematodes on the water surface of the biochemical collecting tank are periodically cleaned by starting the residue scraping device and then are intensively discharged into the collecting device.
Optionally, the method further comprises S5, and the wastewater after killing the red nematodes in the step S4 is discharged into a regulating reservoir for treatment.
Optionally, in step S1, the control system determines whether the red nematodes are broken out in the biochemical pool by monitoring the change of the ammonia nitrogen concentration in the biochemical pool by the ammonia nitrogen detection device and observing the number of the red nematodes by microscopic examination.
Optionally, in the step S2, the time for stopping aeration of the biochemical pool is 6-12 hours, the preset concentration is less than or equal to 0.2mg/L, and the intermittent time of intermittent water inflow is 10-15min per hour of water inflow.
Optionally, in step S4, adding a pesticide into the collecting device, uniformly stirring, and treating the red line worms in the collecting device for 30min to 45 min.
Optionally, in step S4, the pesticide is one or a mixture of two or more of hydrogen peroxide, potassium permanganate, sodium hypochlorite and chlorine dioxide.
Optionally, the pesticide is sodium hypochlorite, and the addition amount of the sodium hypochlorite is 10-30 mg/L.
Optionally, in step S3, the residue scraping device cleans and collects the red nematodes on the water surface of the biochemical pond every 2-4 h.
Optionally, the time interval between the time for the biochemical pool to perform intermittent water inflow and the time for starting the slag scraping device is greater than 30 min.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) the embodiment of the application provides the killing method of the red line insects in the sewage treatment system, when the red line insects are monitored to explode, stopping aeration of the biochemical pool, controlling the dissolved oxygen in the biochemical pool to reduce to a preset concentration, reducing the content of the dissolved oxygen in the biochemical pool, and the biochemical tank is intermittently fed with water, the intermittent water feeding can further consume the dissolved oxygen in the biochemical tank, so that the dissolved oxygen in the biochemical tank is always kept at a low level, the red thread worm belongs to freshwater type microorganism and is an aerobic metazoan, so the combination of aeration and intermittent water inlet is stopped, so that a large amount of red nematodes are gathered and float on the water surface of the biochemical pool due to the reduction of the content of dissolved oxygen in the biochemical pool, the red nematodes on the water surface of the biochemical pool are regularly cleaned and collected and are intensively discharged into the collecting device, then, the red line insects in the collecting device are intensively killed by adding the insecticide into the collecting device. Compared with the method of directly putting the insecticide into the biochemical pool to kill the red nematodes, in the killing method in the embodiment, the red nematodes are firstly concentrated and then killed by putting the insecticide, so that the using amount of the insecticide is less, the killing efficiency is higher, the influence of the components of the insecticide on the biological membrane in the biochemical pool is effectively avoided, and compared with ultrasonic wave and ozone treatment, the killing method in the embodiment greatly reduces the treatment cost and equipment investment.
(2) The utility model provides a method of killing of red nematode in sewage treatment system adopts the scum device to replace artifical clear and drag for, when reducing manual operation and improving cleaning efficiency, and can effectively avoid carrying the red nematode of certain bacterium and virus to bring the hidden danger of infecting to the manual work, improves the security of whole killing in-process.
(3) According to the killing method for the red nematodes in the sewage treatment system, the step S5 is set, the wastewater after the red nematodes are killed in the step S4 is discharged into the regulating tank to be treated, the pesticide in the wastewater after the red nematodes are killed can be correspondingly treated by the aid of the method, and influences of the pesticide on water quality are reduced as much as possible.
(4) According to the survival habit of the red nematodes, the embodiment limits the time of stopping aeration of the biochemical pool to be 6-12h, the preset concentration is less than or equal to 0.2mg/L, the intermittent time of intermittent water inflow is 10-15min per hour, and the arrangement can ensure that the content of dissolved oxygen in the biochemical pool is always in a low-level state, namely less than or equal to 0.2mg/L, so that the red nematodes float on the water surface of the biochemical pool in a quick gathering manner under an anaerobic environment, and are convenient for concentrated collection and subsequent concentrated killing of the red nematodes.
(5) The method of killing of red line worm among sewage treatment system that this application embodiment provided, sodium hypochlorite has the characteristics of security height, and hydrogen peroxide solution compares, and the price has the advantage, and potassium permanganate contains heavy metal and poisons the effect to the microorganism compared, and sodium hypochlorite is little to biochemical system's influence. In practical application, the addition amount of the sodium hypochlorite is 20-30mg/L, and the sodium hypochlorite enters the regulating tank for further dilution after being consumed in the killing process, so that the influence on a biochemical system is small.
Drawings
Fig. 1 is a schematic flow chart of a method for killing red line insects in a sewage treatment system according to an embodiment of the present invention.
Detailed Description
For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The terms first, second, and the like in the present invention are provided for convenience of describing the technical solution of the present invention, and have no specific limiting effect, but are all generic terms, and do not limit the technical solution of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
With reference to fig. 1, the present embodiment provides a method for killing red line insects in a sewage treatment system, which includes the following steps:
s1, monitoring whether the red nematode in the biochemical pool explodes or not;
s2, stopping aeration of the biochemical tank if the red nematode explodes, controlling dissolved oxygen in the biochemical tank to be reduced to a preset concentration, and then intermittently feeding water into the biochemical tank;
s3, cleaning and collecting the red nematodes on the water surface of the biochemical pool regularly, and then discharging the red nematodes into a collecting device in a centralized manner;
and S4, adding a pesticide into the collecting device to kill the red line insects in the collecting device.
In this embodiment, when the outbreak of the red nematodes is monitored, the aeration is stopped for the biochemical pool, the dissolved oxygen in the biochemical pool is controlled to be reduced to a preset concentration, the content of the dissolved oxygen in the biochemical pool is reduced, and the biochemical pool is subjected to intermittent water inflow, so that the dissolved oxygen in the biochemical pool is further consumed by the intermittent water inflow, the dissolved oxygen in the biochemical pool is always kept at a low level, the red nematodes belong to freshwater microorganisms and are aerobic metazoans, and the combination of the aeration and the intermittent water inflow is stopped, so that a large amount of red nematodes are gathered and float on the water surface of the biochemical pool due to the reduction of the content of the dissolved oxygen in the biochemical pool, the red nematodes on the water surface of the biochemical pool are collected by regular cleaning and concentrated into the collecting device, and then the red nematodes in the collecting device are concentrated and killed by adding a pesticide into the collecting device. Compared with the method of directly putting the insecticide into the biochemical pool to kill the red nematodes, in the killing method in the embodiment, the red nematodes are firstly concentrated and then killed by putting the insecticide, so that the using amount of the insecticide is less, the killing efficiency is higher, the influence of the components of the insecticide on the biological membrane in the biochemical pool is effectively avoided, and compared with ultrasonic wave and ozone treatment, the killing method in the embodiment greatly reduces the treatment cost and equipment investment.
Example 2
Compared with the technical scheme of the embodiment 1, in the step S3, the method for killing the red nematodes in the sewage treatment system periodically cleans the red nematodes on the water surface of the collection biochemical pool by starting the residue scraping device, and then intensively discharges the red nematodes into the collection device.
This embodiment adopts the scum device to replace the manual work to clearly drag for, when reducing manual operation and improving cleaning efficiency, and can effectively avoid carrying the red line worm of certain bacterium and virus to bring the hidden danger of infecting to the manual work, improves the security of whole killing in-process.
In the practical application, in a biochemical pond system in a sewage treatment system, an ammonia nitrogen detection device is used for monitoring that the ammonia nitrogen load of the biochemical pond system is rapidly reduced, then a large amount of red nematodes are found in water through microscopic examination, a control system analyzes and obtains the outbreak of the red nematodes in the biochemical pond system in the sewage treatment system, aeration fans of an aerobic pond and the biochemical pond are stopped, water feeding is stopped after the dissolved oxygen in the biochemical pond is reduced to 0.2mg/L, water feeding is controlled for 15min after 1h through a water feeding pump, after 2h, a large amount of red nematodes begin to agglomerate and float out of the water surface, red nematodes floating on the surface are scraped into a collection device through a slag scraping device above the biochemical pond, a large amount of red nematodes floating on the water surface are reduced after 6h, the red nematodes in the biochemical pond are basically killed, then 25mg/L of sodium hypochlorite is added to the red nematodes scraped into the collection device, and after mixing and stirring are carried out for 30min, the death rate of adults and larvae is 100 percent through microscopic examination
Example 3
With reference to fig. 1, the method for killing red nematodes in a sewage treatment system according to this embodiment further includes S5, and the wastewater from the step S4 after killing red nematodes is discharged to a conditioning tank for treatment, compared with the technical solution of embodiment 1. Through the step of S5, the wastewater after killing the red nematodes in the step S4 is discharged into the regulating tank for treatment, and the arrangement can correspondingly treat the pesticides in the wastewater after killing the red nematodes, so that the influence of the pesticides on the water quality is reduced as much as possible.
In practical application, after the step S4 and before the step S5, the death of the red nematodes in the collecting device is observed by microscopic examination. This arrangement is convenient to ensure that the red line insects in the collecting device are totally killed.
Example 4
Compared with the technical scheme of the embodiment 1, in the step S1, the method for killing the red nematodes in the sewage treatment system has the advantages that the control system monitors the change of the ammonia nitrogen concentration in the biochemical pool through the ammonia nitrogen detection device, and then the number of the red nematodes is observed through microscopic examination to judge and analyze whether the red nematodes burst in the biochemical pool.
The control system judges whether the red nematodes burst in the biochemical pool or not through the change of the ammonia nitrogen concentration in the biochemical pool monitored by the ammonia nitrogen detection device and by combining the quantity of the red nematodes obtained through microscopic examination, and if the ammonia nitrogen concentration in the biochemical pool monitored by the ammonia nitrogen detection device continuously rises and the quantity of the red nematodes obtained through microscopic examination is large, the control system analyzes the burst of the red nematodes and gives an early warning to perform subsequent red nematode killing operation. This setting can realize the automatic control whether the red line worm explodes, reduces the influence of red line worm to sewage treatment system, improves the treatment effeciency of sewage.
Example 5
Compared with the technical scheme of the embodiment 1, in the step S2, the method for killing the red line insects in the sewage treatment system has the advantages that the aeration of the biochemical pool is stopped for 6-12 hours, the preset concentration is less than or equal to 0.2mg/L, and the intermittent time of intermittent water feeding is 10-15min per hour. According to the survival habit of the red nematodes, the embodiment can ensure that the content of dissolved oxygen in the biochemical pool is always in a low level state, namely a state less than or equal to 0.2mg/L, by limiting the parameters, so that the red nematodes can be rapidly gathered and float on the water surface of the biochemical pool in an anaerobic environment, and the concentrated collection and the subsequent concentrated killing of the red nematodes are facilitated.
Example 6
Compared with the technical scheme of the embodiment 1, in the step of S4, the method for killing the red line insects in the sewage treatment system comprises the steps of adding the insecticide into the collecting device, uniformly stirring, and treating the red line insects in the collecting device for 30-45 min. The pesticide and the red nematodes can be fully and uniformly mixed by stirring, and the killing of the red nematodes can be fully realized within 30-45 min, so that the killing effect of the red nematodes is improved.
Example 7
Compared with the technical scheme of the embodiment 6, in the step S4, the method for killing the red line insects in the sewage treatment system includes that the insecticide is any one of hydrogen peroxide, potassium permanganate, sodium hypochlorite and chlorine dioxide or a mixture of more than two of the hydrogen peroxide, the potassium permanganate, the sodium hypochlorite and the chlorine dioxide. The red nematode can be killed by adopting the pesticide.
Example 8
Compared with the technical scheme of the embodiment 7, the killing method of the red line insects in the sewage treatment system has the advantages that the insecticide is sodium hypochlorite, and the addition amount of the sodium hypochlorite is 10-30 mg/L. In this embodiment, sodium hypochlorite has the characteristics of security height, and hydrogen peroxide compares, and the price is advantageous, and potassium permanganate contains heavy metal and has the toxic effect to the microorganism compared, and sodium hypochlorite is little to biochemical system's influence. In practical application, the addition amount of the sodium hypochlorite is 20-30mg/L, and the sodium hypochlorite enters the regulating tank for further dilution after being consumed in the killing process, so that the influence on a biochemical system is small.
Example 9
Compared with the technical scheme of the embodiment 2, in the step S3, the red nematodes on the water surface of the biochemical pool are cleaned and collected once every 2-4 hours by the residue scraping device. This setting can effectively clear up the red nematode on collecting biochemical pond water face, further improves the efficiency of killing of red nematode.
Example 10
Compared with the technical scheme of the embodiment 2, the killing method of the red line insects in the sewage treatment system has the advantages that the time interval between the intermittent water feeding of the biochemical pool and the time interval for starting the slag scraping device is more than 30 min. This setting can guarantee that a large amount of red line worms gather and float in biochemical pond water, starts the clearance of scraping the sediment device and carry out red line worm and collect, improves the efficiency of scraping the sediment device.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. A method for killing red line insects in a sewage treatment system is characterized by comprising the following steps:
s1, monitoring whether the red nematode in the biochemical pool explodes or not;
s2, stopping aeration of the biochemical tank if the red nematode explodes, controlling dissolved oxygen in the biochemical tank to be reduced to a preset concentration, and then intermittently feeding water into the biochemical tank;
s3, cleaning and collecting the red nematodes on the water surface of the biochemical pool regularly, and then discharging the red nematodes into a collecting device in a centralized manner;
and S4, adding a pesticide into the collecting device to kill the red line insects in the collecting device.
2. The method for killing red nematodes in a wastewater treatment system according to claim 1, wherein in step S3, the red nematodes on the surface of the biochemical pond are periodically cleaned by activating a residue scraping device and then are intensively discharged into the collecting device.
3. The method for killing red nematodes in a sewage treatment system according to claim 1, further comprising S5, wherein the wastewater from the step S4 after killing red nematodes is discharged into a conditioning tank for treatment.
4. The method according to claim 1, wherein in step S1, the control system determines whether the red nematodes are present in the biochemical tank by monitoring the change in the concentration of ammonia nitrogen in the biochemical tank by the ammonia nitrogen detection device and observing the number of red nematodes by microscopic examination.
5. The method for killing red nematodes in a sewage treatment system according to claim 1, wherein in the step S2, the aeration of the biochemical tank is stopped for 6-12 hours, the preset concentration is less than or equal to 0.2mg/L, and the intermittent time of the intermittent water feeding is 10-15min per hour.
6. The method for killing red nematodes in a sewage treatment system according to claim 1, wherein in step S4, the red nematodes in the collection unit are treated by adding a pesticide into the collection unit, stirring the mixture uniformly, and treating the red nematodes in the collection unit for 30-45 min.
7. The method for killing red nematodes in a sewage treatment system according to claim 6, wherein in the step S4, the pesticide is any one or a mixture of more than two of hydrogen peroxide, potassium permanganate, sodium hypochlorite and chlorine dioxide.
8. The method as claimed in claim 7, wherein the pesticide is sodium hypochlorite, and the amount of sodium hypochlorite added is 10-30 mg/L.
9. The method for killing red nematodes in a sewage treatment system according to claim 2, wherein the residue scraping means cleans and collects the red nematodes on the water surface of the biochemical pond every 2-4 hours in step S3.
10. The method as claimed in claim 2, wherein the time interval between the time of the biochemical pond for intermittent water feeding and the time of the slag scraping device for starting is more than 30 min.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699204A (en) * | 2005-06-07 | 2005-11-23 | 南开大学 | Control technology for tubificidae in tap water |
| CN103848491A (en) * | 2014-03-27 | 2014-06-11 | 山东建筑大学 | Killing method of red nematodes in biological aerated filter |
| CN111423024A (en) * | 2020-05-22 | 2020-07-17 | 西安西热水务环保有限公司 | Sequencing batch processing system and method for inactivating microorganisms in water |
| AU2020101675A4 (en) * | 2020-06-30 | 2020-09-17 | The Fourth Research and Design Engineering Corporation of China National Nuclear Corporation | Environmental protection device for construction sewage treatment |
-
2021
- 2021-06-21 CN CN202110686022.8A patent/CN113213717A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699204A (en) * | 2005-06-07 | 2005-11-23 | 南开大学 | Control technology for tubificidae in tap water |
| CN103848491A (en) * | 2014-03-27 | 2014-06-11 | 山东建筑大学 | Killing method of red nematodes in biological aerated filter |
| CN111423024A (en) * | 2020-05-22 | 2020-07-17 | 西安西热水务环保有限公司 | Sequencing batch processing system and method for inactivating microorganisms in water |
| AU2020101675A4 (en) * | 2020-06-30 | 2020-09-17 | The Fourth Research and Design Engineering Corporation of China National Nuclear Corporation | Environmental protection device for construction sewage treatment |
Non-Patent Citations (4)
| Title |
|---|
| 张东生: "BAF 污水处理系统中红线虫暴发机制及控制对策", 《中国给水排水》 * |
| 段云霞: "《城市黑臭水体治理实用技术及案例分析》", 31 March 2018 * |
| 王成荣: "曝气生物滤池中红线虫灭活试验", 《净水技术》 * |
| 鲁文清: "《环境污染与健康研究丛书 第1辑 水污染与健康》", 28 February 2015 * |
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Application publication date: 20210806 |