CN113582456A - Medical sewage treatment method - Google Patents
Medical sewage treatment method Download PDFInfo
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- CN113582456A CN113582456A CN202110907795.4A CN202110907795A CN113582456A CN 113582456 A CN113582456 A CN 113582456A CN 202110907795 A CN202110907795 A CN 202110907795A CN 113582456 A CN113582456 A CN 113582456A
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- 239000010865 sewage Substances 0.000 title claims abstract description 101
- 238000011282 treatment Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 57
- 208000014451 palmoplantar keratoderma and congenital alopecia 2 Diseases 0.000 claims abstract description 43
- 230000003647 oxidation Effects 0.000 claims abstract description 40
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 40
- 230000008569 process Effects 0.000 claims abstract description 37
- 238000005086 pumping Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000000249 desinfective effect Effects 0.000 claims abstract description 5
- 238000004659 sterilization and disinfection Methods 0.000 claims description 16
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 13
- 241000894006 Bacteria Species 0.000 claims description 11
- 239000004155 Chlorine dioxide Substances 0.000 claims description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 7
- 238000005273 aeration Methods 0.000 claims description 7
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 239000011574 phosphorus Substances 0.000 claims description 7
- 239000010802 sludge Substances 0.000 claims description 7
- 238000004065 wastewater treatment Methods 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 4
- 241001148470 aerobic bacillus Species 0.000 claims description 3
- 230000001546 nitrifying effect Effects 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 229910001385 heavy metal Inorganic materials 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000000941 radioactive substance Substances 0.000 description 5
- 230000001376 precipitating effect Effects 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 2
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- 208000037771 disease arising from reactivation of latent virus Diseases 0.000 description 1
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Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- 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
- C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
-
- 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
- C02F2303/04—Disinfection
-
- 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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/108—Immobilising gels, polymers or the like
-
- 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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/109—Characterized by the shape
-
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
-
- 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
- C02F3/308—Biological phosphorus removal
-
- 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
Abstract
The invention relates to a medical sewage treatment method, which comprises the following steps: step 1), discharging medical sewage into a regulating tank for regulating treatment, and regulating the quality of the sewage to a proper range of a CASS reactor; step 2), pumping the sewage treated in the step 1) into a CASS reactor for CASS process treatment; step 3), pumping the sewage treated in the step 2) into a biological contact oxidation tank for biological contact oxidation treatment; and 4), disinfecting the sewage treated in the step 3) to finish the whole sewage treatment process. The invention can effectively remove most pollutants in medical sewage, the water quality after treatment is excellent, and the hidden danger of environmental pollution can be effectively avoided.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a medical sewage treatment method.
Background
The main departments and facilities for producing medical sewage in hospitals comprise diagnosis and treatment rooms, laboratory rooms, ward rooms, laundry rooms, operating rooms, radiographic development and printing, isotope therapy and diagnosis and the like, and the medical sewage components produced in different departments are different, such as heavy metal wastewater, oily wastewater, development and printing wastewater, radioactive wastewater and the like. The medical sewage is complex in composition, contains pathogenic microorganisms, toxic and harmful physical and chemical pollutants, radioactive pollutants and the like, has the characteristics of space pollution, acute infection, latent infection and the like, can form an important path for spreading epidemic diseases if being directly discharged without effective treatment, and seriously harms human health and pollutes the natural environment. At present, there are two main ways for treating medical sewage.
The traditional treatment mode is that the materials are thrown for disinfection and then directly discharged to a domestic sewage treatment plant for treatment, and the disinfected sewage is directly treated as domestic sewage. The treatment mode is very extensive, and a plurality of specific components in the medical sewage are difficult to remove, so that the pollution is serious.
Along with the attention of people to the problem of environmental pollution, the attention to the treatment of medical sewage is increased, and a new process special for treating the medical sewage is developed. The CASS process is a currently applied treatment process, adopts a biological treatment method of aerobic treatment and anaerobic treatment, and then carries out feeding disinfection treatment, so that organic matters can be effectively removed, nitrogen and phosphorus can be effectively removed, and the treated water quality is better. However, because of the limitation of the CASS process, the denitrification and dephosphorization rate has an upper limit, the treatment of pollutants is not thorough, the hidden danger of environmental pollution exists, and the treatment efficiency is low.
Disclosure of Invention
Aiming at least one technical problem in the prior art, the invention provides a medical sewage treatment method, which can effectively remove most pollutants in medical sewage, ensures that the treated water quality is excellent, and can effectively avoid the hidden trouble of environmental pollution.
The technical scheme for solving the technical problems is as follows:
a medical sewage treatment method comprises the following steps:
step 1), discharging medical sewage into a regulating tank for regulating treatment, and regulating the quality of the sewage to a proper range of a CASS reactor;
step 2), pumping the sewage treated in the step 1) into a CASS reactor for CASS process treatment;
step 3), pumping the sewage treated in the step 2) into a biological contact oxidation tank for biological contact oxidation treatment;
and 4), disinfecting the sewage treated in the step 3) to finish the whole sewage treatment process.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, in the step 1), the specific step of the adjustment treatment is to inject water into the adjusting tank to dilute the sewage, so as to ensure that the COD (chemical oxygen demand) of the sewage is not more than 1500mg/L, the coliform flora is not more than 500MPN/L, and the turbidity is not more than 100 mg/L.
Further, in the step 2), the activated sludge of the CASS reactor comprises nitrifying bacteria, denitrifying bacteria, phosphorus accumulating bacteria and heterotrophic aerobic bacteria.
Preferably, in the step 2), the water-filling aeration time of the CASS process treatment is controlled to be 2.5-3.2 hours, and the water-filling precipitation time is controlled to be 1-1.2 hours.
Preferably, in the step 2), the decanting time of the CASS process treatment is controlled to be 1-1.2 h.
Further, in the step 3), the biological contact oxidation pond is a two-stage biological contact oxidation pond.
Preferably, in the step 3), the biological contact oxidation tank is made of honeycomb-shaped filler, and the pore diameter is 18-22 mm.
Preferably, in the step 3), the biological contact oxidation pond is made of a honeycomb-shaped filler made of polyvinyl chloride.
Further, in the step 4), the disinfection treatment adopts chlorine dioxide disinfection.
Preferably, in the step 4), the disinfection treatment is carried out by using a chlorine dioxide generator.
The invention has the beneficial effects that: the invention adopts the CASS process to combine with the biological contact oxidation process to treat the medical sewage, effectively reduces the COD and the BOD of the sewage through the CASS process, simultaneously denitrifies and dephosphorizes to a certain degree, and reduces the turbidity of the sewage, then further denitrifies and dephosphorizes through the biological contact oxidation process, and further reduces the COD and the BOD of the sewage, thus effectively improving the water quality of the treated sewage, and the water quality completely meets the requirements of national standards; secondly, the invention combines the CASS process and the biological contact oxidation process, can effectively solve the problems of poor denitrification and dephosphorization effects and the like of the prior CASS process, and simultaneously, after the turbidity is reduced by the CASS process, the sludge content in the sewage is extremely low, thereby effectively solving the problems of easy blockage of the filler and the like of the biological contact oxidation process.
Drawings
FIG. 1 is a schematic process flow diagram of one embodiment of the present invention;
FIG. 2 is a schematic process flow diagram of another embodiment of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in figure 1, the medical sewage treatment method designed by the invention comprises the following steps:
step 1), discharging medical sewage into a regulating tank for regulating treatment, and regulating the quality of the sewage to a proper range of a CASS reactor;
step 2), pumping the sewage treated in the step 1) into a CASS reactor for CASS process treatment;
step 3), pumping the sewage treated in the step 2) into a biological contact oxidation tank for biological contact oxidation treatment;
and 4), disinfecting the sewage treated in the step 3) to finish the whole sewage treatment process.
In the prior art, a CASS reactor is adopted to treat medical sewage, COD and BOD in the sewage are removed by using microorganisms in activated sludge, and nitrogen is removed by using the nitrification and denitrification of the microorganisms and the sewage, and part of phosphorus can be removed. However, in practical use, the above-mentioned multiple bacteria act together, which makes the CASS reactor in a complex biological environment, and the denitrification and dephosphorization effects are not satisfactory. Secondly, the medical wastewater contains heavy metals and radioactive substances, which all affect the bacteria in the CASS reactor, resulting in poor treatment effect.
The invention adopts special design, utilizes the CASS reactor as primary treatment, removes partial COD and BOD, removes nitrogen and phosphorus to a certain degree, and precipitates the generated sludge. And the clear liquid enters a biological contact oxidation tank for secondary treatment, and the biological contact oxidation tank is used for denitrification and dephosphorization, and further COD and BOD are reduced. Meanwhile, the characteristics of the biological contact oxidation pond are utilized to adsorb and remove heavy metals and radioactive substances, and the effect is excellent.
In a preferred embodiment of the above technical solution, in the step 1), the adjusting treatment specifically comprises injecting water into the adjusting tank to dilute the sewage, so as to ensure that the COD of the sewage does not exceed 1500mg/L, the coliform bacteria does not exceed 500MPN/L, and the turbidity does not exceed 100 mg/L. The sewage is pretreated, so that the sewage can be diluted, the concentration of each index in the sewage is reduced, and a better treatment effect of the CASS reactor is ensured.
Preferably, in the step 2), the activated sludge of the CASS reactor includes nitrifying bacteria, denitrifying bacteria, phosphorus accumulating bacteria and heterotrophic aerobic bacteria.
Preferably, in the step 2), the water-filling aeration time of the CASS process treatment is controlled to be 2.5-3.2 hours, and the water-filling precipitation time is controlled to be 1-1.2 hours.
Preferably, in the step 2), the decanting time of the CASS process treatment is controlled to be 1-1.2 h.
By adopting the reaction time, partial COD and BOD can be better removed, and better nitrogen and phosphorus removal is realized. Meanwhile, partial heavy metal and radioactive substances can be removed under the action of sludge precipitation, and a good foundation is laid for subsequent treatment.
In a preferred embodiment of the above technical solution, in the step 3), the biological contact oxidation pond is a two-stage biological contact oxidation pond.
Preferably, in the step 3), the biological contact oxidation tank is made of honeycomb-shaped filler, and the pore diameter is 18-22 mm.
Preferably, in the step 3), the biological contact oxidation pond is made of a honeycomb-shaped filler made of polyvinyl chloride.
The two-stage biological contact oxidation tank is adopted, and the filler material and the aperture are limited, so that complete denitrification and dephosphorization can be realized, and heavy metals and radioactive substances can be completely adsorbed and removed. Meanwhile, the filler has a long service life, and can be prevented from being blocked.
The following are examples of the invention
Example 1
As shown in fig. 1, the medical wastewater treatment method of the embodiment includes the following steps:
step 1), discharging the medical sewage into an adjusting tank for adjusting treatment, and adjusting the sewage quality to COD1500mg/L, wherein the coliform flora is not more than 500MPN/L, and the turbidity is not more than 100 mg/L.
And 2), pumping the sewage treated in the step 1) into a CASS reactor, and carrying out CASS process treatment, wherein the aeration time is controlled to be 2.5 hours, the water filling and precipitating time is controlled to be 1 hour, and the water decanting time is controlled to be 1 hour.
And 3) pumping the sewage treated in the step 2) into a biological contact oxidation tank for biological contact oxidation treatment, wherein a secondary biological contact oxidation tank is adopted, honeycomb-shaped filler is selected, and the aperture is 22 mm.
And 4), disinfecting the sewage treated in the step 3) to finish the whole sewage treatment process.
Example 2
As shown in fig. 1, the medical wastewater treatment method of the embodiment includes the following steps:
step 1), discharging the medical sewage into an adjusting tank for adjusting treatment, and adjusting the sewage quality to COD1200mg/L, wherein the coliform flora does not exceed 400MPN/L and the turbidity does not exceed 80 mg/L.
And 2), pumping the sewage treated in the step 1) into a CASS reactor, and carrying out CASS process treatment, wherein the aeration time is controlled to be 3.2 hours, the water filling and precipitating time is controlled to be 1.2 hours, and the water decanting time is controlled to be 1.2 hours.
And 3) pumping the sewage treated in the step 2) into a biological contact oxidation tank for biological contact oxidation treatment, wherein a secondary biological contact oxidation tank is adopted, honeycomb-shaped filler is selected, and the aperture is 18 mm.
And 4), performing chlorine dioxide disinfection treatment on the sewage treated in the step 3) to finish the whole sewage treatment process.
Example 3
As shown in fig. 2, the medical wastewater treatment method of the embodiment includes the following steps:
step 1), discharging the medical sewage into an adjusting tank for adjusting treatment, and adjusting the sewage quality to COD1300mg/L, wherein the coliform flora does not exceed 400MPN/L and the turbidity does not exceed 80 mg/L.
And 2), pumping the sewage treated in the step 1) into a CASS reactor for CASS process treatment, wherein the aeration time is controlled to be 3 hours, the water filling and precipitating time is controlled to be 1.2 hours, and the water decanting time is controlled to be 1.1 hours.
And 3) pumping the sewage treated in the step 2) into a biological contact oxidation tank for biological contact oxidation treatment, wherein a secondary biological contact oxidation tank is adopted, honeycomb-shaped filler is selected, and the aperture is 20 mm.
And 4), pumping the sewage treated in the step 3) to a disinfection tank, and carrying out disinfection treatment by using a chlorine dioxide generator to finish the whole sewage treatment process.
Example 4
As shown in fig. 2, the medical wastewater treatment method of the embodiment includes the following steps:
step 1), discharging the medical sewage into an adjusting tank for adjusting treatment, and adjusting the sewage quality to COD1400mg/L, wherein the coliform flora does not exceed 450MPN/L and the turbidity does not exceed 80 mg/L.
And 2), pumping the sewage treated in the step 1) into a CASS reactor for CASS process treatment, wherein the aeration time is controlled to be 2.8 hours, the water filling and precipitating time is controlled to be 1.1 hours, and the water decanting time is controlled to be 1.2 hours.
And 3) pumping the sewage treated in the step 2) into a biological contact oxidation tank for biological contact oxidation treatment, wherein a secondary biological contact oxidation tank is adopted, honeycomb-shaped filler is selected, and the aperture is 20 mm.
And 4), pumping the sewage treated in the step 3) to a disinfection tank, and carrying out disinfection treatment by using a chlorine dioxide generator to finish the whole sewage treatment process.
A comparison test of treatment of medical sewage is carried out by taking a method of matching a pure CASS reactor with disinfection treatment as a comparison example and taking the examples 1-4 of the invention as examples. The COD of the medical sewage adopted in the experiment is 3000-3500 mg/L, the coliform group is 1200-1300 MPN/L, the turbidity is 150-200 mg/L, and the medical sewage contains heavy metal ions and a small amount of radioactive substances. The indexes of the treated sewage are tested, and the specific results are shown in table 1.
TABLE 1 comparative test data sheet
As can be seen from the data in Table 1, after the medical sewage is treated by adopting the existing pure CASS reactor and the disinfection treatment method, the COD and BOD indexes are still high, the contents of nitrogen and heavy metals are also high, and the requirements of the water pollutant discharge standard of the medical institution of GB/18466-. By adopting the sewage treatment method, all indexes can reach or even exceed the requirements of the GB/18466-2005 medical institution water pollutant discharge standard.
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 invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A medical sewage treatment method is characterized by comprising the following steps:
step 1), discharging medical sewage into a regulating tank for regulating treatment, and regulating the quality of the sewage to a proper range of a CASS reactor;
step 2), pumping the sewage treated in the step 1) into a CASS reactor for CASS process treatment;
step 3), pumping the sewage treated in the step 2) into a biological contact oxidation tank for biological contact oxidation treatment;
and 4), disinfecting the sewage treated in the step 3) to finish the whole sewage treatment process.
2. The medical sewage treatment method according to claim 1, wherein: in the step 1), the specific step of the adjustment treatment is to inject water into the adjusting tank to dilute the sewage, so as to ensure that the COD (chemical oxygen demand) of the sewage is not more than 1500mg/L, the coliform flora is not more than 500MPN/L and the turbidity is not more than 100 mg/L.
3. The medical sewage treatment method according to claim 1, wherein: in the step 2), the activated sludge of the CASS reactor comprises nitrifying bacteria, denitrifying bacteria, phosphorus accumulating bacteria and heterotrophic aerobic bacteria.
4. The medical sewage treatment method according to claim 3, characterized in that: in the step 2), the water-filling aeration time of the CASS process treatment is controlled to be 2.5-3.2 hours, and the water-filling precipitation time is controlled to be 1-1.2 hours.
5. The medical sewage treatment method according to claim 3, characterized in that: in the step 2), the decanting time of the CASS process is controlled to be 1-1.2 h.
6. The medical sewage treatment method according to claim 1, wherein: in the step 3), the biological contact oxidation pond is a two-stage biological contact oxidation pond.
7. The medical sewage treatment method according to claim 6, wherein: in the step 3), the biological contact oxidation tank is made of honeycomb-shaped filler, and the aperture is 18-22 mm.
8. The medical sewage treatment method according to claim 7, wherein: in the step 3), the biological contact oxidation pond is made of honeycomb-shaped filler made of polyvinyl chloride.
9. The medical sewage treatment method according to claim 1, wherein: in the step 4), the disinfection treatment adopts chlorine dioxide disinfection.
10. The medical wastewater treatment method according to claim 9, wherein: in the step 4), the disinfection treatment adopts a chlorine dioxide generator for disinfection.
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| CN202110907795.4A CN113582456A (en) | 2021-08-09 | 2021-08-09 | Medical sewage treatment method |
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| CN202110907795.4A CN113582456A (en) | 2021-08-09 | 2021-08-09 | Medical sewage treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116881747A (en) * | 2023-09-06 | 2023-10-13 | 武汉华康世纪医疗股份有限公司 | Intelligent treatment method and system based on medical wastewater monitoring |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583895A (en) * | 2012-03-01 | 2012-07-18 | 贵州绿色环保设备工程有限责任公司 | High-ammonia-nitrogen wastewater treatment method |
| CN203890204U (en) * | 2014-06-19 | 2014-10-22 | 珠海力合环境工程有限公司 | Comprehensive treatment system of medical wastewater |
| CN212102446U (en) * | 2019-12-05 | 2020-12-08 | 福建永达环保科技有限公司 | MBBR-CAST sewage treatment system |
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- 2021-08-09 CN CN202110907795.4A patent/CN113582456A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583895A (en) * | 2012-03-01 | 2012-07-18 | 贵州绿色环保设备工程有限责任公司 | High-ammonia-nitrogen wastewater treatment method |
| CN203890204U (en) * | 2014-06-19 | 2014-10-22 | 珠海力合环境工程有限公司 | Comprehensive treatment system of medical wastewater |
| CN212102446U (en) * | 2019-12-05 | 2020-12-08 | 福建永达环保科技有限公司 | MBBR-CAST sewage treatment system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116881747A (en) * | 2023-09-06 | 2023-10-13 | 武汉华康世纪医疗股份有限公司 | Intelligent treatment method and system based on medical wastewater monitoring |
| CN116881747B (en) * | 2023-09-06 | 2023-11-24 | 武汉华康世纪医疗股份有限公司 | Intelligent treatment method and system based on medical wastewater monitoring |
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Application publication date: 20211102 |