CN110040889A - A kind of sewage-treatment plant based on heavy metal pollution - Google Patents
A kind of sewage-treatment plant based on heavy metal pollution Download PDFInfo
- Publication number
- CN110040889A CN110040889A CN201910373596.2A CN201910373596A CN110040889A CN 110040889 A CN110040889 A CN 110040889A CN 201910373596 A CN201910373596 A CN 201910373596A CN 110040889 A CN110040889 A CN 110040889A
- Authority
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- China
- Prior art keywords
- sewage
- heavy metal
- settling tank
- treatment plant
- plant based
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 34
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 33
- 238000002156 mixing Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 26
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002351 wastewater Substances 0.000 claims abstract description 13
- 150000002505 iron Chemical class 0.000 claims abstract description 10
- 239000012266 salt solution Substances 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 7
- 241000220317 Rosa Species 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 16
- 238000009388 chemical precipitation Methods 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 claims description 2
- 241000894006 Bacteria Species 0.000 claims 1
- 239000003814 drug Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 7
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- 239000013049 sediment Substances 0.000 description 6
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- DPJRMOMPQZCRJU-UHFFFAOYSA-M thiamine hydrochloride Chemical compound Cl.[Cl-].CC1=C(CCO)SC=[N+]1CC1=CN=C(C)N=C1N DPJRMOMPQZCRJU-UHFFFAOYSA-M 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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
- C02F1/001—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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The present invention designs water treatment field, disclose a kind of sewage-treatment plant based on heavy metal pollution, hybrid loop slot is provided on the periphery wall of mixing turntable of the invention, the end of the inlet tube is protruded into the hybrid loop slot, mixed liquid channel is additionally provided in mixing turntable, the mixed liquid channel is connected to chemical liquid supply pipe, the chemistry liquid supply pipe injects iron salt solutions into the hybrid loop slot, in this way, the present invention can adequately realize the mixing of iron salt solutions and waste water, simultaneously, it can guarantee to be mixed in waste water flowing, to be suitble to the wastewater treatment of assembly line；The present invention is by increasing filter vat, to make to pass through filter vat filtering by settling tank treated deposit, it is separated from water deposit, improve practicability, the present invention on the outside of pedestal by adding hoist engine, it can also easily be taken out to realize in the case where filter vat is fully loaded, improve convenience.
Description
Technical field
The present invention relates to water treatment field, specifically a kind of sewage-treatment plant based on heavy metal pollution.
Background technique
With rapid development of economy, a large amount of waste water is generated in industrial processes, leads to China's heavy metal in water
Pollution problem is very prominent, and the pollution of river,lake and reservior substrate is extremely serious, and sewage can be absorbed by soil or by plant, animal etc.,
And the mankind eventually enter into human body as these heavy metal contaminants of the top of food chain, thus cause damages to human health, because
This, needs to handle heavy metal containing sewage.
Sewage-treatment plant currently on the market generally uses chemical precipitation method, and for chemical precipitation method, iron oxygen
Body method is that typical method, this method are that molysite is added in the waste water containing heavy metal ion the most, using coprecipitation method from waste water
In produce ferrite powder.Ferrite process can once remove contents of many kinds of heavy metal ion in waste water, and ferrite precipitating is not redissolved.Iron
Oxysome method processing heavy metal wastewater thereby effect is good, and with low investment, equipment is simple, and sediment weight is few, and chemical property is more stable.In nature
Under the conditions of, secondary pollution is not easily caused generally.
For current ferrite process, it will be usually sprinkled upon in waste water between ferrite, this mode is for pool
For water storage processing, Feasible degree is higher, and for pipeline, since input amount is difficult to control, while water flow is
Flowing, therefore, this mode is difficult to meet the requirements.
Therefore, the present invention provides a kind of sewage-treatment plants based on heavy metal pollution, to solve above-mentioned background technique
The problem of middle proposition.
Summary of the invention
The purpose of the present invention is to provide a kind of sewage-treatment plants based on heavy metal pollution, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme:
A kind of sewage-treatment plant based on heavy metal pollution, including sequentially connected primary filter case, settling tank, filtering
Case and detection case, the primary filter case are responsible for being filtered the particulate matter in sewage；The settling tank is responsible for in waste water
Heavy metal carry out chemical precipitation, which is characterized in that
Be provided with rotatable mixing turntable in the settling tank, the top of the mixing turntable be fixedly connected be provided with it is embedding
Disk is closed, the mixing turntable and chimeric disk are arranged in the settling tank；
One end of the settling tank is provided with the inlet tube in the portion of inserting into the inner, and the other end of the settling tank, which is provided with, to be protruded into
Its internal outlet tube；
It is provided with hybrid loop slot on the periphery wall of the mixing turntable, the mixing ring is protruded into the end of the inlet tube
In shape slot；
Mixed liquid channel is additionally provided in the mixing turntable, the mixed liquid channel is connected to chemical liquid supply pipe, the chemistry
Liquid supply pipe injects iron salt solutions into the hybrid loop slot.
Further, preferably, the bottom of the settling tank also sets up Packed rotary electric machine, the rotary electric machine
Output end is connected to the mixing turntable, and rotary seal connector is provided at the top of the settling tank, and the chemistry liquid supply pipe is logical
The rotary seal connector is crossed to connect with iron salt solutions feeding mechanism.
Further, preferably, the mixed liquid channel being connected with the hybrid loop slot is multiple, and array is arranged
In the surrounding of the mixing turntable.
Further, preferably, the outlet tube is located at the lower section of the lower end surface of the mixing turntable.
Further, preferably, further including pedestal, primary filter case, settling tank, Rose Box and detection case, which are arranged in, states bottom
On seat, it is mounted between the primary filter case and settling tank, between settling tank and Rose Box and Rose Box and detection case
Water pump, the pedestal front side is provided with power-supply controller of electric close to one end of primary filter case, and the outside of pedestal is close to Rose Box
Side be provided with spinner.
Further, preferably, the outside of the pedestal is provided with hoist engine, the primary mistake close to the side of spinner
Filter box is internally provided with sterilizing filtering screen, and cover board is provided at the top of primary filter case, the inside setting of the settling tank
There is medicine-chest, the top of the Rose Box is placed with filter vat connection cover, and the top of the hoist engine, which is run through, is connected with wirerope, institute
It states to be fixedly connected at the top of filter vat connection cover and withhold, and the two sides of the bottom of the inside of filter vat connection cover are equipped with and hang
Hook, the bottom of the suspension hook are equipped with filter vat, and the filter vat bottom insertion is provided with filter screen.
Further, preferably, the spinner includes shell, the side of the enclosure interior is fixedly connected with hydraulic
Machine, and water tank is provided on the outside of shell, the side of the hydraulic press is fixedly connected with stripper plate, and the bottom of the stripper plate is passed through
It wears and is equipped with water pipe, the water tank and water pipe are through connection.
Further, preferably, being provided through sluice on the outside of the detection case.
Further, preferably, the detection case is internally provided with ultraviolet tube.
Further, preferably, the hoist engine is fixedly connected by bolt with pedestal, the wirerope and filter vat connect
Lid is connect to be fastenedly connected by withholding.
Compared with prior art, the beneficial effects of the present invention are:
1, hybrid loop slot is provided on the periphery wall of mixing turntable of the invention, the end of the inlet tube is protruded into described
It in hybrid loop slot, mixes and is additionally provided with mixed liquid channel in turntable, the mixed liquid channel is connected to chemical liquid supply pipe, the chemistry
Liquid supply pipe injects iron salt solutions into the hybrid loop slot, in this way, the present invention can adequately realize iron salt solutions and waste water
Mixing, simultaneously, it is ensured that waste water flowing in mixed, to be suitble to the wastewater treatment of assembly line；
2, the present invention is by increasing filter vat, thus make by settling tank treated deposit through filter vat filtering,
It is separated from water deposit, improves practicability.By adding water tank on the outside of pedestal, to make deposit after filtration
Moisture removal is removed, it is unified to recycle convenient for storage, improve convenience.The present invention by adding hoist engine on the outside of pedestal, thus
Realizing can also easily take out in the case where filter vat is fully loaded, improve convenience.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of sewage-treatment plant based on heavy metal pollution；
Fig. 2 is a kind of cross-sectional view of sewage-treatment plant based on heavy metal pollution；
Fig. 3 is a kind of structural schematic diagram of filter vat in sewage-treatment plant based on heavy metal pollution；
Fig. 4 is a kind of cross-sectional view of spinner in sewage-treatment plant based on heavy metal pollution.
Fig. 5 is the schematic diagram of internal structure in a kind of settling tank of sewage-treatment plant based on heavy metal pollution；.
Specific embodiment
Please refer to Fig. 1~5, in the embodiment of the present invention, a kind of sewage-treatment plant based on heavy metal pollution, including successively
Primary filter case 2, settling tank 3, Rose Box 4 and the detection case 5 of connection, the primary filter case 2 are responsible for the particle in sewage
Object is filtered；The settling tank 3 is responsible for carrying out chemical precipitation to the heavy metal in waste water, which is characterized in that
Rotatable mixing turntable 23 is provided in the settling tank 3, the top of the mixing turntable 23, which is fixedly connected, to be set
It is equipped with chimeric disk 20, the mixing turntable 23 and chimeric disk are arranged in the settling tank 3；One end of the settling tank 3 is arranged
There is the inlet tube 21 in the portion of inserting into the inner, the other end of the settling tank is provided with the outlet tube 24 in the portion of inserting into the inner；
It is provided with hybrid loop slot 25 on the periphery wall of the mixing turntable, the mixing is protruded into the end of the inlet tube
In annular groove；Mixed liquid channel 26 is additionally provided in the mixing turntable, the mixed liquid channel 26 is connected to chemical liquid supply pipe 19, institute
It states chemical liquid supply pipe 19 and injects iron salt solutions into the hybrid loop slot.
In the present embodiment, the bottom of the settling tank also sets up Packed rotary electric machine 22, the rotary electric machine
Output end is connected to the mixing turntable 23, and rotary seal connector 18, the chemistry feed flow are provided at the top of the settling tank
Pipe 19 is connect by the rotary seal connector 18 with iron salt solutions feeding mechanism.
As preferred embodiment, the mixed liquid channel 26 that is connected with the hybrid loop slot is multiple, and array
The surrounding of the mixing turntable is set.The outlet tube 24 is located at the lower section of the lower end surface of the mixing turntable.
It further include pedestal 1 in addition, in the present invention, direction is arranged successively and puts from one end to the other side on the top of pedestal 1
It is equipped with primary filter case 2, settling tank 3, Rose Box 4 and detection case 5, between primary filter case 2 and settling tank 3, settling tank 3 and mistake
Water pump 6 is mounted between filter box 4 and Rose Box 4 and detection case 5,1 front side of pedestal is arranged close to one end of primary filter case 2
There is power-supply controller of electric 7, the outside of pedestal 1 is provided with spinner 8 close to the side of Rose Box 4, and the outside of pedestal 1 is close to spinner
8 side is provided with hoist engine 11, and primary filter case 2 is internally provided with sterilizing filtering screen 201, the top of primary filter case 2
It is provided with cover board 17, settling tank 3 is internally provided with medicine-chest 301, and the top of Rose Box 4 is placed with filter vat connection cover 15, volume
The top of machine 11 is raised through wirerope 14 is connected with, the top of filter vat connection cover 15, which is fixedly connected with, withholds 151, and filter vat connects
The two sides for connecing the bottom of the inside of lid 15 are equipped with suspension hook 152, and the bottom of suspension hook 152 is equipped with filter vat 153,153 bottom of filter vat
Portion's insertion is provided with filter screen 154.
In Fig. 4, spinner 8 includes shell 801, and the side inside shell 801 is fixedly connected with hydraulic press 804, shell
801 outside is provided with water tank 805, and the side of hydraulic press 804 is fixedly connected with stripper plate 802, and the bottom of stripper plate 802 is run through
Water pipe 803, water tank 805 and water pipe 803 are provided with through connection, so as to quickly remove the moisture in sediment.
In Fig. 1: the outside of detection case 5 is provided through sluice 16, so as to which water during treated is discharged.
In Fig. 2: detection case 5 is internally provided with ultraviolet tube 501, so as to be sterilized, sterilized to sewage.
In Fig. 1: hoist engine 11 is fixedly connected by bolt with pedestal 1, thereby may be ensured that hoist engine 11 is stablized.
In Fig. 1 and Fig. 3: wirerope 14 is fastenedly connected with filter vat connection cover 15 by withholding 151, so as to stable
Filter vat 153 is hung out.
The working principle of the invention is: when handling heavy metal containing sewage, by sewage down in primary filter case 2, and sewage warp
It crosses after sterilizing filtering screen 201 filters the impurity such as silt therein, opens power-supply controller of electric 7, water pump 6 drives filtered after energization
Sewage enters settling tank 3, reacts with medicine-chest 301, generates metabolin by microorganism in medicine-chest 301 and carries out flocculation sedimentation,
Then it drives sediment to enter Rose Box 4 by water pump 6, is filtered by filter vat 153, is separated from water sediment, mistake
After water quality after filter enters detection case 5, after 501 irradiation-sterilize of ultraviolet tube, released from 16 mouthfuls of sluice, when filter vat 153
When filling, by opening the motor of hoist engine 11, filter vat 153 is hung out, and filter vat 153 is cleaned out, by sediment
It puts into spinner 8, is stretched out and pushed up to after stripper plate 802 by internal hydraulic pressure machine 804, by moisture removal, moisture passes through after extruding
Water pipe 803 flows to water tank 805, and after extruding, sediment is convenient for storage.
It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention
And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of sewage-treatment plant based on heavy metal pollution, including sequentially connected primary filter case (2), settling tank (3),
Rose Box (4) and detection case (5), the primary filter case (2) are responsible for being filtered the particulate matter in sewage；The settling tank
(3) it is responsible for carrying out chemical precipitation to the heavy metal in waste water, which is characterized in that
Rotatable mixing turntable (23) is provided in the settling tank (3), the top of mixing turntable (23) is fixedly connected
It is provided with chimeric disk (20), the mixing turntable (23) and the setting of chimeric disk are in the settling tank (3)；
One end of the settling tank (3) is provided with the inlet tube (21) in the portion of inserting into the inner, and the other end of the settling tank is provided with
Insert into the inner the outlet tube (24) in portion；
It is provided with hybrid loop slot (25) on the periphery wall of the mixing turntable, the mixing ring is protruded into the end of the inlet tube
In shape slot；
Mixed liquid channel (26) is additionally provided in the mixing turntable, the mixed liquid channel (26) is connected to chemical liquid supply pipe (19),
Iron salt solutions are injected in described chemistry liquid supply pipe (19) Xiang Suoshu hybrid loop slot.
2. a kind of sewage-treatment plant based on heavy metal pollution according to claim 1, which is characterized in that the precipitating
The bottom of case is also set up Packed rotary electric machine (22), and the output end of the rotary electric machine is connected to the mixing turntable
(23), it is provided at the top of the settling tank rotary seal connector (18), the chemistry liquid supply pipe (19) is close by the rotation
Sealing joint (18) is connect with iron salt solutions feeding mechanism.
3. a kind of sewage-treatment plant based on heavy metal pollution according to claim 1, which is characterized in that mixed with described
It is multiple for closing the mixed liquid channel (26) that annular groove is connected, and the surrounding of the mixing turntable is arranged in array.
4. a kind of sewage-treatment plant based on heavy metal pollution according to claim 2, which is characterized in that the liquid out
Manage the lower section that (24) are located at the lower end surface of the mixing turntable.
5. a kind of sewage-treatment plant based on heavy metal pollution according to claim 2, which is characterized in that further include bottom
Seat (1), primary filter case (2), settling tank (3), Rose Box (4) and detection case (5), which are arranged in, to be stated on pedestal (1), the primary
Pacify between Rose Box (2) and settling tank (3), between settling tank (3) and Rose Box (4) and Rose Box (4) and detection case (5)
Equipped with water pump (6), one end on front side of the pedestal (1) close to primary filter case (2) is provided with power-supply controller of electric (7), and pedestal
(1) outside is provided with spinner (8) close to the side of Rose Box (4).
6. a kind of sewage-treatment plant based on heavy metal pollution according to claim 5, which is characterized in that the pedestal
(1) outside is provided with hoist engine (11) close to the side of spinner (8), and being internally provided with for primary filter case (2) is killed
Bacterium filter screen (201), and cover board (17) are provided at the top of primary filter case (2), the settling tank (3) is internally provided with medicine
The top of case (301), the Rose Box (4) is placed with filter vat connection cover (15), and the top of the hoist engine (11) is through company
It is connected to wirerope (14), is fixedly connected with and withholds (151) at the top of the filter vat connection cover (15), and filter vat connection cover
(15) two sides of the bottom of inside are equipped with suspension hook (152), and the bottom of the suspension hook (152) is equipped with filter vat (153), described
The insertion of filter vat (153) bottom is provided with filter screen (154).
7. a kind of sewage-treatment plant based on heavy metal pollution according to claim 6, which is characterized in that described to remove water
Device (8) includes shell (801), and the internal side of the shell (801) is fixedly connected with hydraulic press (804), and shell (801)
Outside is provided with water tank (805), and the side of the hydraulic press (804) is fixedly connected with stripper plate (802), the stripper plate
(802) bottom is provided through water pipe (803), and the water tank (805) and water pipe (803) are through connection.
8. a kind of sewage-treatment plant based on heavy metal pollution according to claim 7, which is characterized in that the detection
Sluice (16) are provided through on the outside of case (5).
9. a kind of sewage-treatment plant based on heavy metal pollution according to claim 7, which is characterized in that the detection
Case (5) is internally provided with ultraviolet tube (501).
10. a kind of sewage-treatment plant based on heavy metal pollution according to claim 7, which is characterized in that the volume
It raises machine (11) to be fixedly connected by bolt with pedestal (1), the wirerope (14) is with filter vat connection cover (15) by withholding
(151) it is fastenedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373596.2A CN110040889B (en) | 2019-05-06 | 2019-05-06 | Sewage treatment plant based on heavy metal pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373596.2A CN110040889B (en) | 2019-05-06 | 2019-05-06 | Sewage treatment plant based on heavy metal pollution |
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| Publication Number | Publication Date |
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| CN110040889A true CN110040889A (en) | 2019-07-23 |
| CN110040889B CN110040889B (en) | 2021-09-10 |
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| CN201910373596.2A Active CN110040889B (en) | 2019-05-06 | 2019-05-06 | Sewage treatment plant based on heavy metal pollution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185033A (en) * | 2021-05-18 | 2021-07-30 | 温州科技职业学院 | Heavy metal removing equipment for irrigation water in agricultural greenhouse and using method thereof |
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