CN211628714U - Radioactive waste liquid treatment equipment for nuclear medicine diagnosis and treatment facility - Google Patents
Radioactive waste liquid treatment equipment for nuclear medicine diagnosis and treatment facility Download PDFInfo
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- CN211628714U CN211628714U CN201922292495.0U CN201922292495U CN211628714U CN 211628714 U CN211628714 U CN 211628714U CN 201922292495 U CN201922292495 U CN 201922292495U CN 211628714 U CN211628714 U CN 211628714U
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Abstract
The utility model provides a radioactive liquid waste treatment equipment for facility is diagnose to nuclear medicine, this radioactive liquid waste treatment equipment includes radioactive liquid waste generating device, a radioactive liquid waste collection device for collecting the radioactive liquid waste that is produced by radioactive liquid waste generating device, a radioactive liquid waste discharging device for depositing the radioactive liquid waste that comes from radioactive liquid waste collection device so that the radioactive liquid waste is in wherein decay, a radioactive liquid waste monitoring device for monitoring whether the emission that discharges from the decay pond device reaches emission standard and be used for discharging the emission that comes from the decay pond device to the outside radioactive liquid waste discharging device of radioactive liquid waste treatment equipment, wherein, radioactive liquid waste generating device includes that air water dashes the closestool. The apparatus substantially reduces the generation of radioactive waste fluid, thereby enabling the decay tank assembly to provide waste fluid storage space for more patients, thereby enabling the radioactive waste fluid treatment apparatus to have greater patient acceptance.
Description
Technical Field
The present invention relates to a facility for treating a waste liquid in nuclear medicine, and more particularly, to an apparatus for treating excrement of a patient who is subjected to nuclear medicine examination and diagnosis.
Background
Nuclear medicine is an emerging discipline that employs nuclear technology to diagnose, treat, and study disease. The development of single photon emission computed tomography and positron emission computed tomography, and the innovation and development of radiopharmaceuticals have led to a breakthrough in nuclear medicine imaging technology since the seventies of the twentieth century. Radiopharmaceuticals used in nuclear medicine are typically packaged in disposable containers that are directly injected or administered to a patient. The patient will go to the toilet to excrete radioactive excrement during the dynamic observation period. To prevent therapeutic species with longer life from exceeding emission limits, radioactive wastewater needs to be treated to meet emission standards before the wastewater is discharged to the sewer.
According to the GB18871-2002 regulations, the discharge of radioactive waste liquid must adopt groove type discharge, and the discharge is monitored, the medical radioactive waste management and sanitation protection standard (GBZ133-2009) regulates the following radioactive waste liquid management regulations, and the daily equivalent maximum operation amount of the radioactive waste liquid is equal to or more than 2 × 10 by using radioactive nuclide7Bq clinical nuclear medicine and medical research institutions should be provided with radioactive sewage ponds to store radioactive wastewater until the discharge requirements are met.
The radioactive waste liquid is temporarily stored in a decay tank between radioactive waste liquid decays, and after decaying for a certain time, the radioactive waste liquid can be discharged after monitoring to reach the following standards and approval agreement:
according to the regulation of the discharge standard of water pollutants of medical institutions (GB18466-2005), the total beta discharge limit of the water pollutants discharged into the urban sewage treatment plant is 10 Bq/L;
according to the relevant provisions of GB18871-2002, the total activity of the emission per month does not exceed 10ALImin(ALI is annual limit of radionuclide uptake, ALIminIs the lesser of the inhalation and intake values corresponding to occupational exposure); activity per discharge does not exceed 1ALIminAnd after each discharge, flushing with water with not less than 3 times of discharge amount; the radioactive waste liquid can not be discharged into a common sewer, if the radioactive waste liquid meets the conditions through the pipe inspection door, the radioactive waste liquid can be directly discharged into the common sewer with the discharge flow rate more than 10 times, and each discharge record is made.
Since the wastewater of the nuclear medicine diagnosis and treatment facility needs to be subjected to standing treatment in a sewage tank so as to decay radioactive substances therein to meet the discharge requirement, a decay tank needs to be added in the nuclear medicine diagnosis and treatment facility. However, as the amount of nuclear medicine medical facilities increases, the amount of waste liquid to be stored increases, so that the decay tank becomes insufficient, and the modification of the decay tank is difficult due to site limitations of medical institutions and other constraints.
Therefore, there is a need in the art to provide a wastewater treatment facility that can greatly increase the amount of treatment received by a nuclear medicine medical treatment facility.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one aspect among the above-mentioned technical problem, the embodiment of the utility model provides a radioactive liquid waste treatment equipment for facility is diagnose to nuclear medicine, this radioactive liquid waste treatment equipment includes:
a radioactive waste liquid generating device;
a radioactive waste collection device for collecting radioactive waste generated by the radioactive waste generation device;
a decay tank means for holding radioactive waste liquid from said radioactive waste liquid collection means for decay thereof;
a radioactive waste liquid monitoring device for monitoring whether the effluent discharged from the decay tank means meets an effluent standard; and
radioactive waste liquid discharge means for discharging the discharge from the decay tank means to the exterior of the apparatus,
wherein, the radioactive waste liquid generating device comprises a gas-water flushing closestool.
According to the utility model discloses a preferred embodiment of a radioactive liquid waste treatment equipment for nuclear medicine diagnoses facility, air water towards the closestool including the air water mixing arrangement who is used for washing the closestool, air water mixing arrangement has gas access port, water inlet port and air water mixture blowout mouth, gas access port with the water inlet port is connected to high-pressure air source and water source through the valve respectively, through air water mixture blowout mouth washes the closestool.
In another preferred embodiment of the radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facility according to the present invention, a pumping pipeline is provided between the radioactive liquid waste collection device and the decay tank device, an inlet of the pumping pipeline is connected to the bottom of the radioactive liquid waste collection device, an outlet of the pumping pipeline is connected to the top of the decay tank device, and a self-priming pump is provided on the pumping pipeline.
According to the utility model discloses a still another preferred embodiment of a radioactive liquid waste treatment equipment for facility is diagnose to nuclear medicine, decay pond device includes two at least decay ponds, and radioactive liquid waste collection device includes at least one collecting pit, the decay pond with the collecting pit has the same or different structure.
In still another preferred embodiment of the radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facilities according to the present invention, the decay tank and each of the collecting tanks includes a container body, an observation window and a gas release hole provided at the top of the container body, and an agitating mechanism provided in the container body.
According to a further preferred embodiment of the radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facilities of the present invention, the decay tank and each of the collection tanks further comprises a liquid level sensor disposed at an upper portion in the container body and a pressure sensor disposed at a bottom portion in the container body.
In another preferred embodiment of the radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facilities according to the present invention, each of the decay tank and the collection tank further comprises a spray nozzle provided at an upper portion in the container body, the spray nozzle being connected to a high-pressure water source.
According to a further preferred embodiment of the radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facilities of the present invention, the pumping pipeline is provided with a plurality of electric butterfly valves on the portion of the pumping pipeline leading to each of the decay ponds, so that the pumping pipeline can be selectively communicated with each of the decay ponds.
In still another preferred embodiment of the radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facilities according to the present invention, the radioactive liquid waste discharge device includes a discharge main line, a discharge branch line connected to the bottom of the decay tank device and a sewage pump disposed at the end of the discharge main line.
According to the utility model discloses a still another preferred embodiment of a radioactive liquid waste treatment equipment for facility is diagnose to nuclear medicine, radioactive liquid waste monitoring devices is including being connected to decay pond device and/or radioactive liquid waste discharging equipment's sample pipeline, setting are in the terminal container of keeping in of sample pipeline, setting are in dose probe and setting on the container of keeping in are in self priming pump on the sample pipeline.
Compared with the prior art, the utility model discloses at least one among the following beneficial effect has:
(1) according to the utility model discloses a radioactive waste liquid treatment equipment for nuclear medicine diagnoses facility is owing to adopted the air water of very saving water to wash the closestool, therefore it not only can practice thrift the water source widely, has reduced the production of radioactive waste liquid moreover by a wide margin to make decay pond device can provide the waste liquid parking space for more patients, make from this according to the utility model discloses a radioactive waste liquid treatment equipment can have bigger patient's receptivity, thereby saves more spaces for medical institution.
(2) By filling the plurality of decay ponds in sequence, the radioactive waste liquid in the decay ponds is provided with enough decay time, so that the waste liquid in the decay ponds can reach the discharge requirement after enough time.
Drawings
Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.
Fig. 1 is a schematic structural view of a radioactive waste liquid treatment apparatus for nuclear medicine medical treatment facilities having a toilet flushed with air and water according to the present invention.
It is noted that the drawings are not necessarily to scale and are merely illustrative in nature and not intended to obscure the reader.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the embodiments of the present invention will be combined below to clearly and completely describe the technical solutions of the present invention. It is to be understood that the described embodiment is one embodiment of the invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs.
The utility model provides a radioactive liquid waste treatment equipment 10 for facility is diagnose to nuclear medicine, this radioactive liquid waste treatment equipment 10 includes radioactive liquid waste generating device 12, a radioactive liquid waste collection device 14 for collecting the radioactive liquid waste produced by radioactive liquid waste generating device 12, a decay pond device 16 for depositing the radioactive liquid waste from radioactive liquid waste collection device so that the radioactive liquid waste decays wherein, a radioactive liquid waste monitoring devices 18 for monitoring whether the emission that discharges out from decay pond device 16 reaches emission standard and be used for discharging the emission that comes from decay pond device to radioactive liquid waste treatment equipment's outside radioactive liquid waste discharging device 20. Here, the radioactive waste liquid generating apparatus 12 may include any waste liquid generating apparatus in a nuclear medicine medical treatment facility, and in an embodiment according to the present invention, the radioactive waste liquid generating apparatus 12 includes at least one toilet 122, at least one wash basin 124, at least one shower room 126, and at least one cleaning waste water basin 128 as shown in fig. 1. The shower room 126 and the cleaning waste 128 may be connected to respective water sources, i.e. the shower room 126 is connected to the water source 1262 and the cleaning waste 128 is connected to the water source 1282. Of course, the radioactive waste generating apparatus 12 may include other waste discharging facilities besides the radioactive waste generating apparatus.
Further, in order to save the amount of the decaying pool device 16, i.e. to meet the use requirements of more patients in the same nuclear medicine medical treatment facility, a more water-saving toilet bowl, i.e. an air-water flush toilet bowl, is used, i.e. the at least one toilet bowl 122 used by the radioactive waste liquid generating device 12 is an air-water flush toilet bowl. Under general conditions, the once water consumption of ordinary closestool is about 5 liters, and the once water consumption of the utility model discloses the water-flushing closestool of air water only is 10% -20% of ordinary closestool, and its once water consumption is only 0.5 liter-1 liter promptly, consequently can promote the bearing capacity of nuclear medicine diagnosis and treatment facility widely under this condition to can provide inspection and diagnosis and treatment service for more patients in the same time. Compared with the modification of the decay tank, the time and the cost are greatly saved.
The air-water flush toilet may include an air-water mixing device 1222 for flushing the toilet, and excrement in the toilet is flushed by high-pressure air water generated by the air-water mixing device 1222. The gas-water mixing device 1222 has a gas inlet, a water inlet, and a gas-water mixing outlet, which are respectively connected to a high pressure gas source 1224 and a water source 1226 through valves, through which the toilet is flushed. Of course, the gas-water mixing device 1222 can also perform high-pressure washing on the wash basin 124, so that the wash basin 124 can be thoroughly washed with a small amount of washing water. When the closestool is in work, a flushing touch switch is pressed by hands or is automatically controlled by an inductor, valves connected to a high-pressure air source 1224 and a water source 1226 are respectively opened, high-pressure air rapidly passes through the air-water mixing device 1222 to generate negative pressure in the mixing device, water is sucked in, and simultaneously the water and the air are sprayed out from a spray opening at high speed in a mist shape under the action of the high-pressure air to flush the closestool.
According to the utility model discloses a radioactive liquid waste treatment equipment 10 for facility is diagnose to nuclear medicine is provided with pumping pipeline 15 between radioactive liquid waste collection device 14 and decay pond device 16, and pumping pipeline 15's access connection is to radioactive liquid waste collection device 14's bottom, and pumping pipeline 15's exit linkage is to the top of decay pond device 16, is provided with self priming pump 152 on pumping pipeline 15. Waste fluid from radioactive waste collection device 14 may be pumped into decay tank assembly 16 by self-priming pump 152 by pumping the waste fluid from the bottom thereof. The waste collection device 14 is used for collecting and temporarily storing waste for later distribution of waste into the cell arrangement 16.
The utility model discloses a decay pond device 16 that is used for radioactive liquid waste treatment equipment 10 of nuclear medicine medical treatment facility includes two at least decay ponds 162, and in the embodiment shown in FIG. 1, including four decay ponds 162, radioactive liquid waste collection device 14 includes at least one collecting pit 142, and in the embodiment shown in FIG. 1, including one collecting pit 142, here, decay pond 162 and collecting pit 142 have the same structure, and of course, both can also have different structures. The structure of the collection tank 142 and the decay tank 162 having the same structure will be described below.
The collection tank 142 includes a vessel body 1422, a viewing window 1424 and a vent 1426 provided on the top of the vessel body 1422, and a stirring mechanism 1428 provided inside the vessel body 1422. Here, the state of the waste liquid in the collection tank 142 can be observed through the observation window 1424, the gas released from the waste liquid is discharged through the gas discharge hole 1426 to prevent the pressure in the collection tank 142 from being too high, and the waste liquid discharged into the collection tank 142 at different times is mixed and stirred by the stirring mechanism 1428 to uniformly distribute the radioactive substances therein.
Further, the collecting tank 142 further includes a liquid level sensor 1430 provided at an upper portion in the container body 1422 and a pressure sensor 1432 provided at a bottom portion in the container body 1422. The liquid level in collection tank 142 can be detected by liquid level sensor 1430 disposed at the upper portion of container body 1422, so that self-priming pump 152 can be started when the relevant liquid level standard is reached, and the waste liquid in collection tank 142 is pumped to prevent the liquid level in collection tank 142 from being too high. Additionally, the amount of waste fluid in collection tank 142 may be sensed by a pressure sensor 1432 disposed at the bottom of container body 1422 to activate self-primer pump 152 when a corresponding pressure is reached. Of course, either of the level sensor 1430 and the pressure sensor 1432 may be provided herein. The decay tank 162 may have the same structure as the collection tank 142 and will not be described in detail herein.
For cleaning the collection tank 142, the collection tank 142 further includes a spray nozzle 1434 provided at an upper portion inside the container body 1422, and the spray nozzle 1434 is connected to a high pressure water source (not shown in the drawings). As shown, the spray nozzles 1434 may be connected to a high pressure water source through solenoid valves 1436, and whether the spray nozzles 1434 are operated or not is controlled by controlling on and off of the solenoid valves 1436. The decay tank 162 may also have the associated configuration of spray nozzles and solenoid valves described above.
An electrically operated butterfly valve 164 is provided on the portion of the pumping line 15 leading to each of the decay tanks 162, such that the pumping line 15 can be selectively communicated with each of the decay tanks 162. The plurality of cells 162 are used in alternation to allow sufficient decay time for radioactive spent solution in a fully loaded cell 162 during the time that the empty cell 162 is primed. For example, during the initial period of operation of the apparatus, the electrically operated butterfly valve 164 of the first leftmost decay tank 162 may be energized to open and fill it. When the liquid level sensor or the pressure sensor in the first decay pond 162 detects that the designated liquid level is reached, the electric butterfly valve 164 of the first decay pond 162 is powered off to be closed, the electric butterfly valve of the second decay pond is opened simultaneously, and the like, the other decay ponds are correspondingly controlled, and the plurality of decay ponds are filled in sequence.
The radioactive waste liquid discharge apparatus 20 of the radioactive waste liquid treatment apparatus 10 for nuclear medicine medical treatment facilities according to the present invention includes a discharge main line 202, a discharge branch line 204 connecting the bottom of the decay tank device 16 to the discharge main line 202, and a sewage pump 206 disposed at the end of the discharge main line 202. According to the utility model discloses a decay pond 162 of radioactive liquid waste treatment equipment 10 can set up to the cone, cone or pyramid thick on the top and thin down to discharge branch pipe 204 and be connected to the bottom of cone decay pond 162, thereby can empty decay pond 162. A valve may be provided in each drain branch conduit 204, such as an electric butterfly valve 2042 or a manual butterfly valve 2044, or both an electric butterfly valve 2042 and a manual butterfly valve 2044 may be provided as shown. The waste liquid in each of the decay tanks 162 is pumped down by controlling at least one of an electric butterfly valve 2042 and a manual butterfly valve 2044 connected to each of the decay tanks 162 to communicate the sewage pump 206 with the corresponding decay tank 162. Here, two or more sewage pumps 206 may be provided in parallel on the main drain line 202, but of course, only one sewage pump 206 may be provided here.
According to the utility model discloses a radioactive waste liquid monitoring device 18 that is used for radioactive waste liquid treatment facility 10 of nuclear medicine to diagnose facility is including the sample pipeline 182 that is connected to decay pond device 16 and/or radioactive waste liquid discharging equipment 20, set up at the terminal container 184 of keeping in of sample pipeline 182, set up dose probe 186 on the container 184 of keeping in and set up self priming pump 188 on sample pipeline 182. The sampling line 182 may be connected to the bottom of each cell 162 via a solenoid valve 190 so that the corresponding cell 162 may be sampled by controlling the on/off of the battery valve 190. In addition, the sampling pipe 182 may be connected to the discharge main pipe 202 through an electric butterfly valve 192, so as to sample the waste liquid in the discharge main pipe 202 and detect the radioactivity of the waste liquid, so as to determine whether the waste liquid meets the discharge standard.
According to the utility model discloses a radioactive waste liquid treatment equipment for nuclear medicine diagnoses facility is owing to adopted the air water of very saving water to wash the closestool, therefore it not only can practice thrift the water source widely, has reduced the production of radioactive waste liquid moreover by a wide margin to make decay pond device can provide the waste liquid parking space for more patients, make from this according to the utility model discloses a radioactive waste liquid treatment equipment can have bigger patient's receptivity, thereby saves more spaces for medical institution. In addition, by filling the plurality of decay ponds in sequence, the radioactive waste liquid in the decay ponds is provided with enough decay time, so that the waste liquid in the radioactive waste ponds can reach the discharge requirement after enough time.
For the embodiments of the present invention, it should be further explained that, under the condition of no conflict, the features in the embodiments and embodiments of the present invention can be combined with each other to obtain a new embodiment.
The above embodiments of the present invention are only examples, but the scope of the present invention is not limited thereto, and the scope of the present invention should be determined by the scope of the claims.
Claims (10)
1. A radioactive liquid waste treatment apparatus for a nuclear medicine medical facility, comprising:
a radioactive waste liquid generating device;
a radioactive waste collection device for collecting radioactive waste generated by the radioactive waste generation device;
a decay tank means for holding radioactive waste liquid from said radioactive waste liquid collection means for decay thereof;
a radioactive waste liquid monitoring device for monitoring whether the effluent discharged from the decay tank means meets an effluent standard; and
radioactive waste liquid discharge means for discharging the discharge from the decay tank means to the exterior of the apparatus,
it is characterized in that the radioactive waste liquid generating device comprises a gas-water flushing closestool.
2. The radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facility according to claim 1,
the gas-water flushing closestool comprises a gas-water mixing device for flushing the closestool, wherein the gas-water mixing device is provided with a gas inlet, a water inlet and a gas-water mixing jet, the gas inlet and the water inlet are respectively connected to a high-pressure gas source and a water source through valves, and the closestool is flushed through the gas-water mixing jet.
3. The radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facility according to claim 1,
a pumping pipeline is arranged between the radioactive waste liquid collecting device and the decay pool device, an inlet of the pumping pipeline is connected to the bottom of the radioactive waste liquid collecting device, an outlet of the pumping pipeline is connected to the top of the decay pool device, and a self-priming pump is arranged on the pumping pipeline.
4. The radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facility according to claim 3,
the decay tank device comprises at least two decay tanks, and the radioactive waste liquid collecting device comprises at least one collecting tank, wherein the decay tanks and the collecting tank have the same or different structures.
5. The radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facility according to claim 4,
each of the decay pond with the collecting pit all includes the vessel, sets up observation window and the gas release hole at the top of vessel and sets up the rabbling mechanism in the vessel is internal.
6. The radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facility according to claim 5,
each of the decay tank and the collection tank further comprises a level sensor disposed at an upper portion within the container body and/or a pressure sensor disposed at a bottom portion within the container body.
7. The radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facility according to claim 5,
each of the decay tank and the collection tank further comprises a spray nozzle disposed at an upper portion within the container body, the spray nozzle being connected to a high pressure water source.
8. The radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facility according to claim 4,
an electrically operated butterfly valve is provided on the portion of the pumping line leading to each of the decay ponds so that the pumping line can be selectively communicated with each of the decay ponds.
9. The radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facility according to claim 1,
the radioactive waste liquid discharge device comprises a discharge main pipeline, a discharge branch pipeline connecting the bottom of the decay pool device to the discharge main pipeline, and a sewage pump arranged at the tail end of the discharge main pipeline.
10. The radioactive liquid waste treatment apparatus for nuclear medicine medical treatment facility according to claim 1,
radioactive waste liquid monitoring devices is in including being connected to decay pond device and/or radioactive waste liquid discharging equipment's sample pipeline, setting the terminal container, the setting of keeping in of sample pipeline are in dose probe and setting on the container of keeping in are in self priming pump on the sample pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922292495.0U CN211628714U (en) | 2019-12-18 | 2019-12-18 | Radioactive waste liquid treatment equipment for nuclear medicine diagnosis and treatment facility |
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| CN201922292495.0U CN211628714U (en) | 2019-12-18 | 2019-12-18 | Radioactive waste liquid treatment equipment for nuclear medicine diagnosis and treatment facility |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112786229A (en) * | 2021-01-25 | 2021-05-11 | 浙江绿境环境工程有限公司 | Radioactive wastewater treatment method and system |
| CN117012429A (en) * | 2023-08-16 | 2023-11-07 | 西南科技大学 | Integrated nuclear medicine radioactive wastewater rapid treatment system and application method |
-
2019
- 2019-12-18 CN CN201922292495.0U patent/CN211628714U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112786229A (en) * | 2021-01-25 | 2021-05-11 | 浙江绿境环境工程有限公司 | Radioactive wastewater treatment method and system |
| CN112786229B (en) * | 2021-01-25 | 2022-11-18 | 浙江绿境环境工程有限公司 | Radioactive wastewater treatment method and system |
| CN117012429A (en) * | 2023-08-16 | 2023-11-07 | 西南科技大学 | Integrated nuclear medicine radioactive wastewater rapid treatment system and application method |
| CN117012429B (en) * | 2023-08-16 | 2024-03-22 | 西南科技大学 | Integrated nuclear medicine radioactive wastewater rapid treatment system and application method |
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