CN105923886A - Sewage recycling purification treatment system and method using the system - Google Patents
Sewage recycling purification treatment system and method using the system Download PDFInfo
- Publication number
- CN105923886A CN105923886A CN201610154077.3A CN201610154077A CN105923886A CN 105923886 A CN105923886 A CN 105923886A CN 201610154077 A CN201610154077 A CN 201610154077A CN 105923886 A CN105923886 A CN 105923886A
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- China
- Prior art keywords
- sewage
- pipeline
- cistern
- water
- net
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- 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.)
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Classifications
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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
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- 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)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention provides a sewage recycling purification treatment system and method using the system. The sewage recycling purification treatment method includes the steps of: flowing the sewage into a sedimentation tank, and precipitating to obtain a first-stage treated sewage; pumping the sewage into a pipe through a water suction pump, and passing the sewage through a first-stage sewage filter screen to obtain second-stage treated sewage; passing the sewage through a second-stage sewage filter screen to obtain a third-stage treated sewage; and passing the sewage through a reaction purification screen to obtain purified water, and flowing the purified water into a reservoir. The sewage recycling purification treatment system includes a sedimentation tank, a pipeline, a water suction pump and a reservoir; the sedimentation tank and reservoir are respectively connected with the pipeline; and the water suction pump is respectively connected with the sedimentation tank and the pipeline. The embodiment of the invention has the beneficial effects of achieving sewage purification and pollutants degradation of flowing water in landscape, shortening the time of sewage treatment, reducing the cost and energy consumption of sewage treatment, and realizing efficient separation of pollutants and the water and efficient degradation of pollutants.
Description
Technical field
The present invention relates to field of environment protection, more particularly, it relates at the purification of a kind of effluent cycle utilization
Reason system and the method applying this system.
Background technology
Along with the development of industrialization and urbanization, water environment pollution, water scarcity are day by day serious, and water pollutes
Control, water environment protection the most very urgent.The present newly-built city of China or city use rain dirt separate system, but
Mature city or old town remain the run-off system of confluence of rainwater and sewage mostly, and many combined sewages are to be directly discharged to
Water body.And old combined canal is changed into separate system, and limited greatly by tale quale, the age is built up relatively in many old towns
Long, underground utilities basic forming, surface structures is crowded, road narrows, and old combined canal changes separate system difficulty relatively
Greatly.The big feature of the one of combined sewage is dry season and the water quality in rainy season, the water yield change greatly, and rainy season, sewage BOD was dense
Spend low, be unfavorable for biochemical treatment.Country proposes, and China's treatment rate of domestic sewage of 2010 requires to reach 40%,
Therefore, study effective combined sewage processing method, to accelerating municipal sewage treatment paces, there is important meaning
Justice.
Summary of the invention
The technical problem to be solved be to provide a kind of effluent cycle utilize cleaning treatment system and
The method applying this system, in order to solve the deficiencies in the prior art, it is achieved that in gardens, circulating water is feasible
Sewage purification separate with the space-time of contaminant degradation, shorten the time of sewage disposal, reduce sewage disposal
Cost and energy consumption, reach high efficiency separation and the efficient degradation of pollutant of pollutant and water body.
The present invention solves above-mentioned technical problem, it is provided that the following technical scheme solved: a kind of effluent cycle utilizes
Cleaning treatment system, this system includes sedimentation tank, pipeline, suction pump and cistern;Described sedimentation tank,
Cistern is connected with pipeline respectively, and described suction pump is connected with sedimentation tank and pipeline respectively;Wherein, institute
State and cistern is provided with supersonic detector, the first central processing unit and the first wireless communicator, described super
Sound wave detector and the first wireless communicator are connected with the first central processing unit respectively, are used for gathering cistern
Middle water purification data, and purify data by the first central processing unit analyzing and processing, and these data are passed through
First wireless communicator is sent to display device.
In the cleaning treatment system that the effluent cycle of the present invention utilizes, described display device includes that second is wireless
Communicator, the second central processing unit and display;Described second wireless communicator and display are respectively with second
Central processing unit is connected.
In the cleaning treatment system that the effluent cycle of the present invention utilizes, described pipeline is disposed with first
Level sewage filter net, second level sewage filter net and reaction purifying net.
In the cleaning treatment system that the effluent cycle of the present invention utilizes, described first order sewage filter net uses
Macromolecular filtering net filtration sewage;Described second level sewage filter net uses active carbon filter net sewage;Described
Reaction purifying net uses fermentation bark and sand mixing to purify sewage, described fermentation bark and the mixing ratio of sand
Example is 2:1.
In the cleaning treatment system that the effluent cycle of the present invention utilizes, described sedimentation tank is provided with the first water inlet
Hole and the first apopore, described cistern is provided with the second inlet opening and the second apopore;Described first water inlet
Hole is connected with extraneous soil pipe, and described first apopore is connected with one end of pipeline by suction pump, institute
Second inlet opening of the other end and described cistern of stating pipeline is connected, the second apopore of described cistern
It is connected with extraneous pure water pipe;Described cistern is provided with aerobic bacteria, for being turned by the Organic substance in water purification
It is melted into inorganic matter and is removed.
The present invention also provides for the method for the cleaning treatment system utilizing a kind of effluent cycle to utilize, and the method includes:
S1, sewage is flowed into sedimentation tank, and sewage is precipitated in sedimentation tank obtain the first order and process sewage;
S2, the first order is processed sewage by suction pump suction pipeline, and by the first order of described pipeline
Sewage filter net obtains the second level and processes sewage;
S3, the second level is processed sewage by the second level sewage filter net in pipeline obtain the third level process dirt
Water;
S4, the third level is processed sewage it is purified water by the reaction purifying net in pipeline, and pass through pipeline
Water will be purified and flow into cistern;
S5, by purify water carry out react with the efficient-decomposition of biology aerobic bacterium at cistern, remove purification water in
Organic substance.
In the purifying treatment method that the effluent cycle of the present invention utilizes, described first order sewage filter net uses
Macromolecular filtering net filtration sewage;Described second level sewage filter net uses active carbon filter net sewage;Described
Reaction purifying net uses fermentation bark and sand mixing to purify sewage, described fermentation bark and the mixing ratio of sand
Example is 2:1.
In the purifying treatment method that the effluent cycle of the present invention utilizes, described first order sewage filter net, the
B-grade sewage drainage screen and reaction purifying net are successively set in pipeline respectively.
In the purifying treatment method that the effluent cycle of the present invention utilizes, described sedimentation tank is provided with the first water inlet
Hole and the first apopore, described cistern is provided with the second inlet opening and the second apopore;Described first water inlet
Hole is connected with extraneous soil pipe, and described first apopore is connected with one end of pipeline by suction pump, institute
Second inlet opening of the other end and described cistern of stating pipeline is connected, the second apopore of described cistern
It is connected with extraneous pure water pipe.
In the purifying treatment method that the effluent cycle of the present invention utilizes, described cistern is provided with aerobic bacteria,
Removed for the Organic substance in water purification is changed into inorganic matter.
Implement cleaning treatment system and the method for applying this system that the effluent cycle of the present invention utilizes, have with
Lower beneficial effect: simple in construction, easy to operate, it is achieved that the feasible sewage purification of circulating water in gardens
Separate with the space-time of contaminant degradation, shorten the time of sewage disposal, reduce cost and the energy of sewage disposal
Consumption, reaches pollutant and the high efficiency separation of water body and the efficient degradation of pollutant.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the schematic flow sheet of the purifying treatment method of the effluent cycle utilization of the present invention;
Fig. 2 is the structural representation of the cleaning treatment system of the effluent cycle utilization of the present invention;
As it can be seen, 100, sedimentation tank, 200, suction pump, 300, pipeline, 400, cistern, 110,
First inlet opening, the 120, first apopore, 130, glar outlet, 310, first order sewage filter net,
320, second level sewage filter net, 330, reaction purifying net, the 410, second inlet opening, 420, second goes out
Water hole, 500, supersonic detector, the 610, first central processing unit, the 710, first wireless communicator, 720,
Second wireless communicator, the 620, second central processing unit, 800, display, 900, display device.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
In order to explain the present invention, it is not intended to limit the present invention.
As it is shown in figure 1, be the schematic flow sheet of the purifying treatment method of the effluent cycle utilization of the present invention;One
Planting the purifying treatment method that effluent cycle utilizes, the method includes:
S1, sewage is flowed into sedimentation tank, and sewage is precipitated in sedimentation tank 100 obtain the first order and process dirt
Water;
S2, the first order is processed sewage by suction pump 200 suction pipeline 300, and by described pipeline
The first order sewage filter net 310 of 300 obtains the second level and processes sewage;
S3, the second level is processed sewage obtain the 3rd by the second level sewage filter net 320 in pipeline 300
Level processes sewage;
S4, the third level is processed sewage it is purified water by the reaction purifying net 330 in pipeline 300, and
Water will be purified by pipeline 300 and flow into cistern 400;
S5, by purify water carry out react with the efficient-decomposition of biology aerobic bacterium at cistern 400, remove purification
Organic substance in water.
In the purifying treatment method that the effluent cycle of the present invention utilizes, described first order sewage filter net 310
Use macromolecular filtering net filtration sewage;Described second level sewage filter net 320 uses active carbon filter net dirty
Water;Described reaction purifying net 330 use fermentation bark and sand mixing purify sewage, described fermentation bark and
The mixed proportion of sand is 2:1.
In the purifying treatment method that the effluent cycle of the present invention utilizes, described first order sewage filter net 310,
Second level sewage filter net 320 and reaction purifying net 330 are successively set in pipeline 300 respectively.
In the purifying treatment method that the effluent cycle of the present invention utilizes, described sedimentation tank 100 is provided with first
Inlet opening 110 and the first apopore 120, described cistern 400 is provided with the second inlet opening 410 and second and goes out
Water hole 420;Described first inlet opening 110 is connected with extraneous soil pipe, and described first apopore 120 passes through
Suction pump 200 is connected with one end of pipeline 300, the other end of described pipeline 300 and described cistern 400
The second inlet opening 410 be connected, the second apopore 420 of described cistern 400 and extraneous pure water pipe phase
Connect.
In the purifying treatment method that the effluent cycle of the present invention utilizes, described cistern 400 is provided with
Oxygen bacterium, for changing into inorganic matter by the Organic substance in water purification and being removed.
As in figure 2 it is shown, be the structural representation of the cleaning treatment system of the effluent cycle utilization of the present invention;This
Invention also provides for the cleaning treatment system that a kind of effluent cycle utilizes, and this system includes sedimentation tank 100, pipeline
300, suction pump 200 and cistern 400;Described sedimentation tank 100, cistern 400 respectively with pipeline 300
Being connected, described suction pump 200 is connected with sedimentation tank 100 and pipeline 300 respectively;Wherein, described storage
Pond is provided with supersonic detector the 500, first central processing unit 610 and the first wireless communicator 710,
Described supersonic detector 500 is connected with the first central processing unit 610 respectively with the first wireless communicator 710
Connect, be used for gathering water purification data in cistern, and analyzed and processed only by the first central processing unit 610
Change data, and these data are sent to display device 900 by the first wireless communicator 710.
Wherein, it is preferred that described first wireless communicator 710 and the second wireless communicator 720 use RF2401
Wireless communicator;
Preferably, described first central processing unit 610 and the second central processing unit 620 use arm processor;
Preferably, described display 800 uses LCDs, is used for showing collection water purification data.
Described supersonic detector 500 gathers the water purification data purifying water in cistern 400, by first
Being purified analytical data after central processing unit 610 analyzing and processing, described first central processing unit 610 controls
First wireless communicator 710 is wirelessly sent to the second radio communication of display device 900 by purifying analytical data
Device 720, described second wireless communicator 720 sends the data in second after receiving purification analytical data
Central processor 620 is analyzed and is identified, and shows this data by display 800, it is simple to staff is timely
Solve the purification water purification information of cistern 400.
In the cleaning treatment system that the effluent cycle of the present invention utilizes, described display device 900 includes second
Wireless communicator the 720, second central processing unit 620 and display 800;Described second wireless communicator 720
It is connected with the second central processing unit 620 respectively with display 800.
In the cleaning treatment system that the effluent cycle of the present invention utilizes, described pipeline 300 is disposed with
First order sewage filter net 310, second level sewage filter net 320 and reaction purifying net 330.Described first
Level sewage filter net 310 uses macromolecular filtering net filtration sewage;Described second level sewage filter net uses lives
Property carbon drainage screen 320 sewage;Described reaction purifying net 330 uses fermentation bark and sand mixing to purify sewage,
The mixed proportion of described fermentation bark and sand is 2:1.
In the cleaning treatment system that the effluent cycle of the present invention utilizes, described sedimentation tank 00 is provided with first and enters
Water hole 110 and the first apopore 120, described cistern 400 is provided with the second inlet opening 410 and the second water outlet
Hole 420;Described first inlet opening 110 is connected with extraneous soil pipe, and described first apopore 120 is by taking out
Water pump 200 is connected with one end of pipeline 300, the other end of described pipeline 300 and described cistern 400
The second inlet opening 410 be connected, the second apopore 420 of described cistern 400 and extraneous pure water pipe phase
Connect;Described cistern 400 is provided with aerobic bacteria, for the Organic substance in water purification is changed into inorganic matter
And removed.
In the cleaning treatment system that the effluent cycle of the present invention utilizes, described cistern 400 is provided with
Oxygen bacterium, for changing into inorganic matter by the Organic substance in water purification and being removed.
During work, described sewage flows into sedimentation tank 100 by the first inlet opening 110 of sedimentation tank 100, heavy
The impurity that quality is bigger is precipitated by pond, shallow lake 100, obtains the first order and process sewage, described sedimentation tank 100
Inside being additionally provided with glar outlet 130, for being got rid of by glar, the described first order processes sewage by taking out
Water pump 200 flow ipe 300, the first order sewage filter net 310 of flow ipe 300 obtains second after filtering
Level processes sewage, and the described second level processes sewage by second level sewage filter net 320 mistake in pipeline 300
Obtaining the third level after filter and process sewage, the described third level processes sewage by the reaction purifying net in pipeline 300
330 filter after be purified water, described purification water in cistern 400 by the decomposition of aerobic bacteria, by water
Organic substance be decomposed into inorganic matter, improve and purify water purification efficiency, prevent from purifying aquatic long impurity.
Compared with prior art, implement cleaning treatment system that the effluent cycle of the present invention utilizes and apply this to be
The method of system, has the advantages that simple in construction, easy to operate, it is achieved that circulating water in gardens
Feasible sewage purification separate with the space-time of contaminant degradation, shorten the time of sewage disposal, reduce dirt
The cost of water process and energy consumption, reach pollutant and the high efficiency separation of water body and the efficient degradation of pollutant.
Embodiment described above only have expressed embodiments of the present invention, and it describes more concrete and detailed, but
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for this area
For those of ordinary skill, without departing from the inventive concept of the premise, it is also possible to make some deformation and change
Entering, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be as the criterion.
Claims (10)
1. the cleaning treatment system that an effluent cycle utilizes, it is characterised in that this system includes sedimentation tank
(100), pipeline (300), suction pump (200) and cistern (400);Described sedimentation tank (100), storage
Pond (400) is connected with pipeline (300) respectively, described suction pump (200) respectively with sedimentation tank (100)
It is connected with pipeline (300);Wherein, described cistern is provided with supersonic detector (500), first
Central processing unit (610) and the first wireless communicator (710), described supersonic detector (500) and
One wireless communicator (710) is connected with the first central processing unit (610) respectively, is used for gathering cistern
Middle water purification data, and purify data by the first central processing unit (610) analyzing and processing, and by this number
It is sent to display device (900) according to by the first wireless communicator (710).
The cleaning treatment system that effluent cycle the most according to claim 1 utilizes, it is characterised in that institute
State display device (900) include the second wireless communicator (720), the second central processing unit (620) and show
Show device (800);Described second wireless communicator (720) and display (800) respectively with the second centre
Reason device (620) is connected.
The cleaning treatment system that effluent cycle the most according to claim 2 utilizes, it is characterised in that institute
State and pipeline (300) is disposed with first order sewage filter net (310), second level sewage filter net (320)
With reaction purifying net (330).
The cleaning treatment system that effluent cycle the most according to claim 2 utilizes, it is characterised in that institute
State first order sewage filter net (310) and use macromolecular filtering net filtration sewage;Described second level sewage water filtration
Net uses active carbon filter net (320) sewage;Described reaction purifying net (330) uses fermentation bark and sand
Son mixing purifies sewage, and the mixed proportion of described fermentation bark and sand is 2:1.
The cleaning treatment system that effluent cycle the most according to claim 1 utilizes, it is characterised in that institute
State sedimentation tank (100) and be provided with the first inlet opening (110) and the first apopore (120), described cistern
(400) the second inlet opening (410) and the second apopore (420) it are provided with;Described first inlet opening (110)
Being connected with extraneous soil pipe, described first apopore (120) is by suction pump (200) and pipeline (300)
One end be connected, the second inlet opening of the other end of described pipeline (300) and described cistern (400)
(410) being connected, second apopore (420) of described cistern (400) is connected with extraneous pure water pipe;
Described cistern is provided with aerobic bacteria in (400), for the Organic substance in water purification being changed into inorganic matter and obtaining
To remove.
6. the purifying treatment method that an effluent cycle utilizes, it is characterised in that the method includes:
S1, sewage is flowed into sedimentation tank (100), and sewage precipitation in sedimentation tank (100) is obtained first
Level processes sewage;
S2, the first order is processed sewage by suction pump (200) suction pipeline (300), and pass through institute
The first order sewage filter net (310) stating pipeline (300) obtains second level process sewage;
S3, the second level is processed sewage by the second level sewage filter net (320) in pipeline (300)
Sewage is processed to the third level;
S4, the third level is processed sewage it is purified by the reaction purifying net (330) in pipeline (300)
Water, and water inflow cistern (400) will be purified by pipeline (300);
S5, general purify water to carry out reacting with the efficient-decomposition of biology aerobic bacterium at cistern (400), goes Ex-all
Change the Organic substance in water.
The purifying treatment method that effluent cycle the most according to claim 6 utilizes, it is characterised in that institute
State first order sewage filter net (310) and use macromolecular filtering net filtration sewage;Described second level sewage water filtration
Net (320) uses active carbon filter net sewage;Described reaction purifying net (330) uses fermentation bark and sand
Son mixing purifies sewage, and the mixed proportion of described fermentation bark and sand is 2:1.
The purifying treatment method that effluent cycle the most according to claim 6 utilizes, it is characterised in that institute
State first order sewage filter net (310), second level sewage filter net (320) and reaction purifying net (330)
It is successively set on respectively in pipeline (300).
The purifying treatment method that effluent cycle the most according to claim 6 utilizes, it is characterised in that institute
State sedimentation tank (100) and be provided with the first inlet opening (110) and the first apopore (120), described cistern
(400) the second inlet opening (410) and the second apopore (420) it are provided with;Described first inlet opening (110)
Being connected with extraneous soil pipe, described first apopore (120) is by suction pump (200) and pipeline (300)
One end be connected, the second inlet opening of the other end of described pipeline (300) and described cistern (400)
(410) being connected, second apopore (420) of described cistern (400) is connected with extraneous pure water pipe.
The purifying treatment method that effluent cycle the most according to claim 6 utilizes, it is characterised in that
Described cistern is provided with aerobic bacteria in (400), for the Organic substance in water purification being changed into inorganic matter and obtaining
To remove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610154077.3A CN105923886A (en) | 2016-03-17 | 2016-03-17 | Sewage recycling purification treatment system and method using the system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610154077.3A CN105923886A (en) | 2016-03-17 | 2016-03-17 | Sewage recycling purification treatment system and method using the system |
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Family
ID=56840303
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CN201610154077.3A Pending CN105923886A (en) | 2016-03-17 | 2016-03-17 | Sewage recycling purification treatment system and method using the system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107434339A (en) * | 2017-09-27 | 2017-12-05 | 钟康亮 | A kind of Multi-functional excrement sewage treatment combination fixture |
CN107673493A (en) * | 2017-11-03 | 2018-02-09 | 蚌埠市兄弟粮油食品科技有限公司 | A kind of multi-ladder hierarchical ground water purification treatment system |
CN111115884A (en) * | 2019-12-23 | 2020-05-08 | 贵州鑫源久环境科技有限公司 | High-efficiency industrial sewage purification device and treatment process |
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CN203256034U (en) * | 2013-05-15 | 2013-10-30 | 霍金阁 | PRB (Permeable Reactive Barrier) device for repairing groundwater pollution |
CN103553271A (en) * | 2013-11-06 | 2014-02-05 | 北京师范大学 | Multi-stage treatment and purification process for groundwater pollution |
CN204298909U (en) * | 2014-11-28 | 2015-04-29 | 朱皓宇 | Water circulation tank |
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CN2813601Y (en) * | 2005-08-03 | 2006-09-06 | 李保标 | Inorganic waste water purifying treatment machine |
CN101209884A (en) * | 2006-12-25 | 2008-07-02 | 邵满柏 | Method and device for comprehensive processing zero discharge and recovering commonly industrial wastewater |
TW201300331A (en) * | 2011-06-23 | 2013-01-01 | Univ Nat Sun Yat Sen | Device for removing the organic compounds in water and the method thereof |
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CN107434339A (en) * | 2017-09-27 | 2017-12-05 | 钟康亮 | A kind of Multi-functional excrement sewage treatment combination fixture |
CN107673493A (en) * | 2017-11-03 | 2018-02-09 | 蚌埠市兄弟粮油食品科技有限公司 | A kind of multi-ladder hierarchical ground water purification treatment system |
CN111115884A (en) * | 2019-12-23 | 2020-05-08 | 贵州鑫源久环境科技有限公司 | High-efficiency industrial sewage purification device and treatment process |
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