CN107857397A - A kind of processing system of medical waste water - Google Patents
A kind of processing system of medical waste water Download PDFInfo
- Publication number
- CN107857397A CN107857397A CN201711325217.XA CN201711325217A CN107857397A CN 107857397 A CN107857397 A CN 107857397A CN 201711325217 A CN201711325217 A CN 201711325217A CN 107857397 A CN107857397 A CN 107857397A
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- waste water
- medical waste
- pond
- processing system
- regulating reservoir
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
-
- 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
- C02F3/28—Anaerobic digestion processes
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of processing system of medical waste water, it is related to the process field of medical waste water.The processing system of medical waste water provided by the invention includes water inlet pipe, outlet pipe and the sterilization pool being sequentially connected, regulating reservoir, soda acid pond, anaerobic pond, Aerobic Pond, flocculation sedimentation tank and sludge-tank；The water inlet pipe is connected to the sterilization pool, and the outlet pipe is connected to the flocculation sedimentation tank, and the regulating reservoir is provided with the material pipe for being connected to the sludge-tank.Sterilization pool is arranged on before other processing ponds by the processing system of medical waste water provided by the invention, exterminating bacterium processing is carried out to medical waste water first, avoiding the pathogenic microorganism in medical waste water, the medical waste water of diffusion couple next batch in follow up device causes secondary pollution with processing procedure, and reduces the risk of pathogenic microorganism diffusion；Pathogenic microorganism is killed using chemical mode, Disinfection Effect is good.
Description
Technical field
The present invention relates to medical waste water process field, especially a kind of medical waste water processing system.
Background technology
With flourishing for China's medical industry, the yield of medical waste water is also increasing.Medical waste water is mainly
The waste water of the discharges such as consulting room, laboratory, ward, laundry and operating room from medical treatment, its wastewater source and composition are very multiple
It is miscellaneous.Contain substantial amounts of pathogenetic bacteria, virus and chemical agent in hospital wastewater, as medicine, disinfectant, diagnosis agent, detergent,
And substantial amounts of pathogenic microbes, parasitic ovum and various viruses, such as roundworm egg, hepatitis viruse, tulase and dysentery bacillus.
Feature with space-pollution, acute infection and latent infection.Compared with industrial wastewater and sanitary wastewater, it has water
Small, the characteristics of pollution power is strong, be such as allowed to discharge, can serious polluted source, spread disease.
It is now existing much for the processing system and method for medical waste water, its more processing in trade effluent in the art
Bactericidal unit or process are added on the basis of system, and conventional sterilization method is high-temperature sterilization and filtration sterilization.Its
Have a drawback in that：（1）Processing procedure is unreasonable；Often pathogenic microorganism is handled in final step, causes cause of disease
Microorganism easily retains in device above, causes secondary pollution to the medical waste water of latter batch, and it is micro- to increase cause of disease
The risk of biology diffusion.（2）High-temperature sterilization and filtration sterilization can not be played well to the various bacterial viruses in medical waste water
Killing action, effect are unsatisfactory.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided a kind of processing system of medical waste water, should
Processing system carries out exterminating bacterium processing to medical waste water first, avoids the pathogenic microorganism in medical waste water from existing with processing procedure
The medical waste water of diffusion couple next batch causes secondary pollution in follow up device, and reduces the risk of pathogenic microorganism diffusion；Adopt
Pathogenic microorganism is chemically killed, Disinfection Effect is good.
The technical solution adopted by the present invention is as follows：
A kind of medical waste water processing system, it includes water inlet pipe with, outlet pipe and the sterilization pool being sequentially connected, regulating reservoir, soda acid
Pond, anaerobic pond, Aerobic Pond, flocculation sedimentation tank and sludge-tank；The water inlet pipe is connected to the sterilization pool, the outlet pipe connection
To the flocculation sedimentation tank, the regulating reservoir is provided with the material pipe for being connected to the sludge-tank.
By adopting the above-described technical solution, to be arranged on regulating reservoir, soda acid pond, anaerobic pond, Aerobic Pond, flocculation heavy for sterilization pool
Before the pond of shallow lake, carry out disinfection processing to medical waste water first, kills pathogenic microorganism therein, avoids it from being flowed into medical waste water
In regulating reservoir, soda acid pond, anaerobic pond, Aerobic Pond, flocculation sedimentation tank and remain, so as to avoid the medical waste water to next batch from making
Into into secondary pollution.Simultaneously as regulating reservoir retention large granular impurity also with through sterilization, can be to its direct collection at
Reason, will not cause the diffusion of pathogenic microorganism.
A kind of medical waste water processing system of the present invention, is connected between the sterilization pool and the regulating reservoir by valve,
The surface area of the valve is sufficiently large whether to control connection between the sterilization pool and the regulating reservoir.
By adopting the above-described technical solution, being easy to whole materials in sterilization pool to flow into regulating reservoir carries out subsequent treatment.
A kind of medical waste water processing system of the present invention, the sterilization pool are provided with sterilization agent storage device, the sterilization
Agent storage device is connected to sterilization pool to be passed through disinfectant into sterilization pool by pipeline.
By adopting the above-described technical solution, it is easy to add disinfectant into sterilization pool as needed.Used in the present invention
Disinfectant be selected from chlorine dioxide, ozone, any one in potassium hydrogen peroxymonosulfate.
A kind of medical waste water processing system of the present invention, the regulating reservoir are provided with grid to filter large granular impurity, lattice
Grid one end is connected to the top of regulating reservoir, and the bottom that the other end is connected to regulating reservoir is pico- relatively independent so that regulating reservoir to be separated
The part of left and right two.
A kind of medical waste water processing system of the present invention, the material pipe are arranged at the left-hand component of the regulating reservoir,
The right-hand component of the regulating reservoir is connected to soda acid pond by the pipeline with water pump.
By adopting the above-described technical solution, the large granular impurity that grid is retained is intercepted in the left lateral in regulating reservoir
Point, when granule foreign is run up to it is a certain amount of when, it can be collected to sludge-tank by material pipe, now, large granular impurity is
By disinfecting, the diffusion of pathogenic microorganism is not caused.
A kind of medical waste water processing system of the present invention, adsorption column is provided with the anaerobic pond and the Aerobic Pond,
Adsorption column one end connection pool top one end is connected to bottom of pond, and branch, the adsorption column and the branch are provided with adsorption column
On be attached with corresponding microorganism.
By adopting the above-described technical solution, on the one hand branch increases the adhesion amount of microorganism, on the other hand increase
The processing area of microorganism, so as to improve the disposal ability in anaerobic pond and Aerobic Pond.
A kind of medical waste water processing system of the present invention, the flocculation sedimentation tank is provided with flocculation agent storage device, described
Flocculation agent storage device stores flocculant and is connected to flocculation sedimentation tank by pipeline to be passed through wadding into flocculation sedimentation tank
Solidifying agent.
By adopting the above-described technical solution, it is easy to add flocculant into precipitation flocculation basin at any time as needed.
A kind of medical waste water processing system of the present invention, screen pack, the overanxious net one are provided with the flocculation sediment
End is connected to the pond top other end and is connected to bottom of pond, and the flocculation sedimentation tank is divided into the two relatively independent parts in left and right, its
Middle left-hand component is respectively connecting to the Aerobic Pond and the sludge-tank, and right-hand component is connected to outlet pipe.
By adopting the above-described technical solution, flocculate precipitate is trapped in left-hand component by screen pack, it is current to run up to one
When quantitative, sludge-tank can be collected into, can qualified discharge by the water of screen pack.
A kind of medical waste water processing system of the present invention, the bottom of the flocculation sedimentation tank left-hand component are provided with cellular
Heavy water plate, the cellular heavy water plate are obliquely installed.
As a result of the scheme of above-mentioned technology, heavy water plate increases the desilting area of floccule, promotes the complete of floccule
Full precipitation.
A kind of medical waste water processing system of the present invention, the flocculant are amylopectin-Polyacrylamide Grafted polymerization
Thing, the amylopectin-Polyacrylamide Grafted polymer are made by the steps：
Step A：Amylopectin is dissolved to the solution that 0.1-0.2g/mL is made in water water, according to the matter of cerous nitrate and amylopectin
It is 3-4 to measure ratio:50 ratio adds the saturated solution of cerous nitrate into extract solution；400r-600r/min, 45-55 DEG C of bars
Heating water bath 5-10min under part；
Step B：Polyacrylamide amine monomers are added into reaction vessel, keep reaction condition to continue to react 2-4h；Cooling filters, and takes
Precipitation；
Step C：Precipitation is washed through absolute ethyl alcohol, is then dissolved completely in acetone, homopolymer is removed with apparatus,Soxhlet's, after drying
Obtain flocculant.
By adopting the above-described technical solution, amylopectin, the particle increase of flocculant are heavy in grafting on polypropylene line
Reduction of speed degree is fast.Also, flocculant can catch multiple suspended particles from different directions, to obtain larger floccule body, so as to have
Effect reduces the COD of medical waste water.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
（1）Sterilization pool is arranged at before regulating reservoir, soda acid pond, anaerobic pond, Aerobic Pond, flocculation sedimentation tank, is avoided to next batch
The secondary pollution of medical waste water, reduce the spread risk of pathogenic microorganism.
（2）Pathogenic microorganism is killed by the way of chemical disinfection, Disinfection Effect is good.
（3）New flocculant is employed, can effectively reduce the COD of medical waste water.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is the schematic diagram of the processing system of medical waste water provided by the invention.
In figure：1 is water inlet pipe, and 2 be outlet pipe, and 3 be sterilization pool, and 31 be sterilization pool storage device, and 32 be valve, and 4 be tune
Pond is saved, 41 be grid, and 5 be soda acid pond, and 6 be anaerobic pond, and 61 be adsorption column, and 62 be branch, and 7 be Aerobic Pond, and 8 be flocculation sediment
Pond, 81 be flocculation agent storage device, and 82 be screen pack, and 83 be heavy water plate, and 9 be sludge-tank.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
This specification（Including any accessory claim, summary）Disclosed in any feature, unless specifically stated otherwise,
Replaced by other equivalent or with similar purpose alternative features.I.e., unless specifically stated otherwise, each feature is a series of
An example in equivalent or similar characteristics.
Embodiment 1
As shown in figure 1, the present embodiment provides a kind of processing system of medical waste water, it includes sterilization pool 3, the regulation being sequentially connected
Pond 4, soda acid pond 5, anaerobic pond 6, Aerobic Pond 7, flocculation sedimentation tank 8 and sludge-tank 9, water inlet pipe 1 are connected to sterilization pool 3, outlet pipe 2
It is connected to flocculation sedimentation tank 8.
Sterilization pool 3 is provided with sterilization agent storage device 31, and being deposited in sterilization pool storage device 31 has disinfectant, in the present invention
The disinfectant used is chemosterilant, such as chlorine dioxide, ozone, any one in potassium hydrogen peroxymonosulfate.Sterilization pool 3 passes through
The regulating reservoir 4 of valve more than 32 is connected, and whole materials that the surface area of valve 32 is sufficiently large in regulating reservoir enter sterilization pool 4.
Grid 41 is provided with sterilization pool 4 to filter large granular impurity, the gap of grid 41 is 0.05-0.08cm.Grid
41 one end are connected to the top of sterilization pool 4, and one end is connected to the bottom of sterilization pool 4, and by sterilization pool 4 be divided to for left and right two it is relative
Independent part, wherein left-hand component are connected to sterilization pool 4, and left-hand component is connected to soda acid pond 5 by the pipeline 42 with water pump.
Left-hand component is provided with large granular impurity importing sludge-tank 9 of the material pipe for being connected to sludge-tank 9 so that grid 41 to be retained.
The acid-base accommodation of medical waste water is carried out in soda acid pond 5, medical waste water is adjusted to weakly acidic pH in order to microorganism pair
The processing of medical waste water.Adsorption column 61, one end connection pool top one end of adsorption column 61 are respectively arranged with anaerobic pond 6 and Aerobic Pond 7
Bottom of pond is connected to, branch 62 is provided with adsorption column 61, corresponding microorganism is attached with adsorption column 61.Wherein in anaerobic pond
Microorganism is anaerobe, such as denitrifying bacteria, is aerobic microbiological in Aerobic Pond, such as bacterial digestion and polyP bacteria.Anaerobism
Chi Zhong, microorganism generate H under the conditions of strictly anaerobic, by partial organic substances by solution2、CO2、H2S and CH4Deng gas.Aerobic Pond
In, under oxygen existence condition, aerobic microbiological is mineralized by catabolism, anabolism and material, oxidation operation point
Solution is into CO2And H2O etc..
Flocculation sedimentation tank 8 is provided with flocculation agent storage device 81, stores flocculant in the agent storage device 81 that flocculates, flocculates
Agent storage device 81 is connected to flocculation sedimentation tank 8 to pass through flocculant thereto by pipeline.It was provided with flocculation sedimentation tank 8
Filter screen 82, the pond top other end that overanxious one end of net 82 is connected to flocculation sedimentation tank 8 are connected to bottom of pond.Screen pack 82 is by flocculation sediment
Pond 8 is divided to is respectively connecting to Aerobic Pond 7 and sludge-tank 9, right-hand component for the relatively independent part in left and right two, wherein left-hand component
It is connected to outlet pipe 2.The aperture of screen pack 82 is 25-50nm, the sediment less than aperture can be trapped in into flocculation sedimentation tank 8
Left-hand component, precipitate buildup to it is a certain amount of when, collect into sludge-tank 9；By the medical waste water of screen pack 82
Qualified discharge.The bottom of the left-hand component of flocculation sedimentation tank 8 is provided with cellular heavy water plate 83, and cellular heavy water plate 83, which tilts, to be set
Put.
Embodiment 2
The present embodiment provides a kind of new sewage flocculant, and the flocculant is amylopectin-Polyacrylamide Grafted polymer,
The flocculant particle is big, and sinking speed is fast, has branch, can catch multiple suspended particles from different directions, larger to obtain
Floccule body, so as to effectively reduce medical waste water COD.The sewage flocculant is made by the steps and obtained：
Step 1：Amylopectin is dispersed in water to the amylopectin solution to form 0.1-0.2g/mL.According to cerous nitrate and side chain
The mass ratio of starch is 3-4:50 ratio weighs cerous nitrate, and is dissolved in the water and to form saturated solution, to amylopectin solution
The middle saturated solution for adding cerous nitrate；Heating water bath 5-10min under the conditions of 400-600r/min, 45-55 DEG C.
Step 2：It is 2 according to the mass ratio of acrylamide and amylopectin:3-5 weighs acrylamide, and is scattered in
In water, dissolve by heating, at the uniform velocity added while hot with 1-2mL/min speed in amylopectin solution, keep reaction condition to continue anti-
Answer 2-4h.
Step 3：After question response liquid is cooled to normal temperature, suction filtration takes filter residue.Filter residue washes twice through absolute ethyl alcohol, uses every time
Amount is substantially identical with filter residue volume, after ethanol volatilization, is dissolved completely in acetone, and homopolymerization is removed with apparatus,Soxhlet's
Thing, flocculant is obtained after drying at 50-70 DEG C.
The invention is not limited in foregoing embodiment.The present invention, which expands to, any in this manual to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (10)
1. a kind of medical waste water processing system, it is characterised in that it includes water inlet pipe, outlet pipe and the sterilization being sequentially connected
Pond, regulating reservoir, soda acid pond, anaerobic pond, Aerobic Pond, flocculation sedimentation tank and sludge-tank；The water inlet pipe is connected to the sterilization pool,
The outlet pipe is connected to the flocculation sedimentation tank, and the regulating reservoir is provided with the material pipe for being connected to the sludge-tank.
2. medical waste water processing system according to claim 1, it is characterised in that the sterilization pool and the regulating reservoir it
Between connected by valve, the surface area of the valve it is sufficiently large with control the connection between the sterilization pool and the regulating reservoir with
It is no.
3. medical waste water processing system according to claim 2, it is characterised in that the sterilization pool is provided with disinfectant storage
Cryopreservation device, the sterilization agent storage device are connected to sterilization pool to be passed through disinfectant into sterilization pool by pipeline.
4. medical waste water processing system according to claim 1, it is characterised in that the regulating reservoir is provided with grid with mistake
Large granular impurity is filtered, grid one end is connected to the top of regulating reservoir, and the other end is connected to the bottom of regulating reservoir with by regulating reservoir point
Every the pico- relatively independent part of left and right two.
5. medical waste water processing system according to claim 4, it is characterised in that the material pipe is arranged at the tune
The left-hand component in pond is saved, the right-hand component of the regulating reservoir is connected to soda acid pond by the pipeline with water pump.
6. medical waste water processing system according to claim 1, it is characterised in that in the anaerobic pond and the Aerobic Pond
Adsorption column is provided with, adsorption column one end connection pool top one end is connected to bottom of pond, branch, the suction are provided with adsorption column
Corresponding microorganism is attached with attached column and the branch.
7. medical waste water processing system according to claim 1, it is characterised in that the flocculation sedimentation tank is provided with flocculation
Agent storage device, the flocculation agent storage device store flocculant and are connected to flocculation sedimentation tank by pipeline with to flocculation
Flocculant is passed through in sedimentation basin.
8. medical waste water processing system according to claim 7, it is characterised in that filtering is provided with the flocculation sediment
Net, described overanxious net one end is connected to the pond top other end and is connected to bottom of pond, and the flocculation sedimentation tank is divided into two phases in left and right
To independent part, wherein left-hand component is respectively connecting to the Aerobic Pond and the sludge-tank, and right-hand component is connected to water outlet
Pipe.
9. medical waste water processing system according to claim 8, it is characterised in that the flocculation sedimentation tank left-hand component
Bottom is provided with cellular heavy water plate, and the cellular heavy water plate is obliquely installed.
10. medical waste water processing system according to claim 7, it is characterised in that the flocculant is amylopectin-poly-
Acrylamide graft polymer；The amylopectin-Polyacrylamide Grafted polymer is made by the steps：
Step A：Amylopectin is dissolved to the solution that 0.1-0.2g/mL is made in water water, according to the matter of cerous nitrate and amylopectin
It is 3-4 to measure ratio:50 ratio adds the saturated solution of cerous nitrate into extract solution；400r-600r/min, 45-55 DEG C of bars
Heating water bath 5-10min under part；
Step B：Polyacrylamide amine monomers are added into reaction vessel, keep reaction condition to continue to react 2-4h；Cooling filters, and takes
Precipitation；
Step C：Precipitation is washed through absolute ethyl alcohol, is then dissolved completely in acetone, homopolymer is removed with apparatus,Soxhlet's, after drying
Obtain flocculant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711325217.XA CN107857397A (en) | 2017-12-13 | 2017-12-13 | A kind of processing system of medical waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711325217.XA CN107857397A (en) | 2017-12-13 | 2017-12-13 | A kind of processing system of medical waste water |
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| Publication Number | Publication Date |
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| CN107857397A true CN107857397A (en) | 2018-03-30 |
Family
ID=61706347
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711325217.XA Withdrawn CN107857397A (en) | 2017-12-13 | 2017-12-13 | A kind of processing system of medical waste water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573941A (en) * | 2020-04-07 | 2020-08-25 | 青岛奥利普自动化控制系统有限公司 | Waste liquid purification device for pharmaceutical chemical industry |
| CN114195314A (en) * | 2021-12-23 | 2022-03-18 | 秦皇岛华恒生物工程有限公司 | Wastewater treatment method and application thereof |
-
2017
- 2017-12-13 CN CN201711325217.XA patent/CN107857397A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573941A (en) * | 2020-04-07 | 2020-08-25 | 青岛奥利普自动化控制系统有限公司 | Waste liquid purification device for pharmaceutical chemical industry |
| CN114195314A (en) * | 2021-12-23 | 2022-03-18 | 秦皇岛华恒生物工程有限公司 | Wastewater treatment method and application thereof |
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Application publication date: 20180330 |