CN106542674A - A kind of distributing rural domestic sewage treatment circulating device - Google Patents
A kind of distributing rural domestic sewage treatment circulating device Download PDFInfo
- Publication number
- CN106542674A CN106542674A CN201611120346.0A CN201611120346A CN106542674A CN 106542674 A CN106542674 A CN 106542674A CN 201611120346 A CN201611120346 A CN 201611120346A CN 106542674 A CN106542674 A CN 106542674A
- Authority
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- China
- Prior art keywords
- housing
- membrane
- sedimentation tank
- filtering ponds
- pipe
- 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.)
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0079—Manufacture of membranes comprising organic and inorganic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/021—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
-
- 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
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F2001/007—Processes including a sedimentation step
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of distributing rural domestic sewage treatment circulating device, including housing, NF membrane, ultrafiltration membrane filaments and sterilization pool, the left side termination of housing is provided with water inlet pipe, left end in housing is provided with filtering ponds, and in filtering ponds, it is provided with screen plate, middle setting in housing has sedimentation tank, regulating reservoir is provided with the housing on the right side of sedimentation tank, and sedimentation tank is connected by communicating pipe with regulating reservoir, NF membrane is provided with the housing on the right side of regulating reservoir, and ultrafiltration membrane filaments are provided with the housing in the left side of NF membrane, sterilization pool is provided with the housing in the left side of ultrafiltration membrane filaments, the right side termination of housing is provided with outlet pipe；It is present configuration advantages of simple, economical and practical, easy to use, only with a high-pressure pump so that power-equipment is few, reach the effect for economizing on resources, and good filtration effect, efficiency high, so as to recycle to sewage.
Description
Technical field
The invention belongs to technical field of sewage treatment equipment, and in particular to a kind of distributing rural domestic sewage treatment circulation
Device.
Background technology
With the development of new rural village, village wastewater discharge increasingly increases, and agroecological environment and water body environment are produced
Negative effect it is also increasingly serious；New rural village sewage pollution load is high, and farmer's income level is relatively low with respect to cities and towns, causes at present
New rural village pollution control measure is difficult to advance, in addition waste water do not process direct discharge phenomenon it is very universal, to social environment
Cause greatly pollution and damage.
At present, there are various sewage-treatment plants on market, but their poor processing effect, and efficiency is low, so as to
The use demand of people can not be met.
The content of the invention
It is an object of the invention to provide a kind of distributing rural domestic sewage treatment circulating device, to solve above-mentioned background
The problem proposed in technology.
To achieve these goals, the present invention is by the following technical solutions realizing：A kind of distributing life in the countryside
Sewage disposal circulating device, including housing, NF membrane, ultrafiltration membrane filaments and sterilization pool；
The left side termination of housing is provided with water inlet pipe, and the left end in housing is provided with filtering ponds, and filtering ponds and is provided with filtration
Plate, the middle setting in housing have sedimentation tank, and filtering ponds are connected by high-pressure pump with sedimentation tank, in the housing on the right side of sedimentation tank
Regulating reservoir is provided with, and sedimentation tank is connected by communicating pipe with regulating reservoir；
It is provided with the housing on the right side of regulating reservoir in NF membrane, and the housing in the left side of NF membrane and is provided with ultrafiltration membrane filaments, surpasses
Sterilization pool is provided with the housing in the left side of filter membrane silk, opening is provided with the top of sterilization pool, and closure is provided with being open,
The right side termination of housing is provided with outlet pipe；
The preparation method of NF membrane is comprised the following steps：
(i). rectangular-shape is made as using steel wire, supporting layer is obtained；
(ii). porous carrier layer is covered in obtained support layer surface；
(iii). nanofiltration film layer is covered in porous carrier layer surface, the preparation method of the nanofiltration film layer is comprised the following steps：
A. it is that 98% concentrated sulphuric acid adds into expansible graphite raw material by mass fraction in 0 DEG C of ice-water bath, is slowly added Gao Meng
Sour potassium, stirs, and 45-50 DEG C is heated in being placed on water bath with thermostatic control, keeps 0.5-2h；
B. deionized water is slowly added dropwise in resulting solution in step A to produce to reaction system bubble-free, heat up in water bath with thermostatic control
To 95-100 DEG C, 25-30 minutes are stirred, add hydrogen peroxide solution to the solution that mass fraction is 25% after natural cooling and be changed into bright
The suspension of yellow；
C. suspension obtained by step B is filtered into obtain brown color colloid, Jing pickling and deionized water wash are dried after super to neutrality
Ultrasonic disperse centrifugally operated in pure water, supernatant is placed in 65-75 DEG C of drying baker dries to obtain graphene oxide powder；
D. in step C, gained graphene oxide powder is placed in ultrasonic disperse 1-5h in polar solvent, removes supernatant, obtain after centrifugation
To graphene oxide solution；
E. with polymer ultrafiltration membrane as basement membrane, graphene oxide solution is filtered using basement membrane, under 0.05-0.5MPa static pressures
Constantly promote graphene oxide solution to make solvent molecule pass through ultrafilter membrane, obtain the nanofiltration film layer of moistening；
F. the product for covering the nanofiltration film layer of moistening is placed in vacuum drying oven and is dried, final nanofiltration film layer is obtained；
(iv). armor coated in nanofiltration film layer outer surface, protective layer adopts concentration for the PVA aqueous solutions and NF membrane of 11-15%
Layer reaction is dried in being placed in vacuum drying oven, and NF membrane is obtained.
Preferably, screen plate is connected for activity with filtering ponds.
Preferably, filtering ponds are connected by communicating pipe with high-pressure pump, and high-pressure pump is connected by communicating pipe with sedimentation tank.
Preferably, filtering ponds are provided with blow-off pipe, and blow-off pipe with the bottom of sedimentation tank and are provided with control valve.
Preferably, polymer ultrafiltration membrane material be polyether sulfone, polyacrylonitrile, polypropylene, polyethylene, polycaprolactam or
Any one in poly- furan alcohol.
Beneficial effects of the present invention：The distributing rural domestic sewage treatment circulating device is simple and reasonable, economic reality
With, it is easy to use, only with a high-pressure pump so that power-equipment is few, so as to reach the effect for economizing on resources, by filter
Pond, sedimentation tank, regulating reservoir, NF membrane, ultrafiltration membrane filaments and sterilization pool are used cooperatively so that good filtration effect, efficiency high, so as to
Sewage can be recycled.
Description of the drawings
Fig. 1 is the structural representation of the sewage disposal circulating device designed by the present invention；
In figure：1- housings, 2- water inlet pipes, 3- filtering ponds, 4- screen plates, 5- blow-off pipes, 6- control valves, 7- high-pressure pumps, 8- connect
Siphunculus, 9- sedimentation tanks, 10- regulating reservoirs, 11- NF membrane, 12- ultrafiltration membrane filaments, 13- sterilization pools, 14- openings, 15- closures, 16-
Outlet pipe.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole；It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, the present invention provides a kind of technical scheme：A kind of distributing rural domestic sewage treatment circulating device,
Including housing 1, NF membrane 11, ultrafiltration membrane filaments 12 and sterilization pool 13；
The left side termination of housing 1 is provided with water inlet pipe 2, and the left end in housing 1 is provided with filtering ponds 3, and filtering ponds 3 and is provided with
Screen plate 4, screen plate 4 are connected for activity with filtering ponds 3, and the middle setting in housing 1 has sedimentation tank 9, filtering ponds 3 and sedimentation tank
9 are connected by high-pressure pump 7, and with high-pressure pump 7 by being connected communicating pipe 8, and high-pressure pump 7 passes through communicating pipe with sedimentation tank 9 to filtering ponds 3
8 connections, are provided with regulating reservoir 10 in the housing 1 on the right side of sedimentation tank 9, and sedimentation tank 9 with regulating reservoir 10 by connecting communicating pipe 8
Logical, filtering ponds 3 are provided with blow-off pipe 5, and blow-off pipe 5 with the bottom of sedimentation tank 9 and are provided with control valve 6；
It is provided with NF membrane 11, and the housing 1 in the left side of NF membrane 11 in the housing 1 on the right side of regulating reservoir 10 and is provided with ultrafiltration
Film silk 12, is provided with sterilization pool 13 in the housing 1 in the left side of ultrafiltration membrane filaments 12, and the top of sterilization pool 13 is provided with opening 14, and
Closure 15 is provided with opening 14, the right side termination of housing 1 is provided with outlet pipe 16；
The preparation method of NF membrane is comprised the following steps：
(i). rectangular-shape is made as using steel wire, supporting layer is obtained；
(ii). porous carrier layer is covered in obtained support layer surface；
(iii). nanofiltration film layer is covered in porous carrier layer surface, the preparation method of the nanofiltration film layer is comprised the following steps：
A. it is that 98% concentrated sulphuric acid adds into expansible graphite raw material by mass fraction in 0 DEG C of ice-water bath, is slowly added Gao Meng
Sour potassium, stirs, and 45-50 DEG C is heated in being placed on water bath with thermostatic control, keeps 0.5-2h；
B. deionized water is slowly added dropwise in resulting solution in step A to produce to reaction system bubble-free, heat up in water bath with thermostatic control
To 95-100 DEG C, 25-30 minutes are stirred, add hydrogen peroxide solution to the solution that mass fraction is 25% after natural cooling and be changed into bright
The suspension of yellow；
C. suspension obtained by step B is filtered into obtain brown color colloid, Jing pickling and deionized water wash are dried after super to neutrality
Ultrasonic disperse centrifugally operated in pure water, supernatant is placed in 65-75 DEG C of drying baker dries to obtain graphene oxide powder；
D. in step C, gained graphene oxide powder is placed in ultrasonic disperse 1-5h in polar solvent, removes supernatant, obtain after centrifugation
To graphene oxide solution；
E. with polymer ultrafiltration membrane as basement membrane, graphene oxide solution is filtered using basement membrane, under 0.05-0.5MPa static pressures
Constantly promote graphene oxide solution to make solvent molecule pass through ultrafilter membrane, obtain the nanofiltration film layer of moistening；
F. the product for covering the nanofiltration film layer of moistening is placed in vacuum drying oven and is dried, final nanofiltration film layer is obtained；
(iv). armor coated in nanofiltration film layer outer surface, protective layer adopts concentration for the PVA aqueous solutions and NF membrane of 11-15%
Layer reaction is dried in being placed in vacuum drying oven, and NF membrane is obtained；
During polymer ultrafiltration membrane material is polyether sulfone, polyacrylonitrile, polypropylene, polyethylene, polycaprolactam or poly- furan alcohol
Any one.
The operation principle of the present embodiment：During use, sewage is entered in filtering ponds 3, by the mistake of screen plate 4 from water inlet pipe 2
Filter, is then pumped in sedimentation tank 9 by high-pressure pump 7, after the precipitation of sedimentation tank 9, enters regulating reservoir 10 by communicating pipe 8；
After the regulation of regulating reservoir 10 is processed, then after the preliminary filtration of NF membrane 11, then by ultrafiltration membrane filaments 12
Enter in sterilization pool 13 after deeply filtering, disinfectant powder is added by opening 14 into sterilization pool 13 so that after disinfectant powder is to filtration
Water disinfection；
Water after sterilization is flowed out from outlet pipe 16, and screen plate 4 is connected using activity with filtering ponds 3, facilitates the dismounting of screen plate 4
Cleaning, the bottom of sedimentation tank 9 is provided with blow-off pipe 5, by using cooperatively for blow-off pipe 5, can be by filtering ponds 3 and sedimentation tank 9
Interior debris are ejected.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be realized in other specific forms；
Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, the present invention
Scope is by claims rather than described above is limited, it is intended that by fall claim equivalency implication
Include in the present invention with all changes in scope.Any reference in claim should not be considered as restriction involved
Claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that those skilled in the art should for clarity
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (6)
1. a kind of distributing rural domestic sewage treatment circulating device, including housing（1）, NF membrane（11）, ultrafiltration membrane filaments（12）
And sterilization pool（13）, it is characterised in that：
The housing（1）Left side termination be provided with water inlet pipe（2）, the housing（1）Interior left end is provided with filtering ponds（3）,
And filtering ponds（3）Screen plate is provided with inside（4）, the housing（1）Interior middle setting has sedimentation tank（9）, the filtering ponds（3）
With sedimentation tank（9）By high-pressure pump（7）Connection, the sedimentation tank（9）Right side housing（1）Regulating reservoir is provided with inside（10）,
And sedimentation tank（9）With regulating reservoir（10）By communicating pipe（8）Connection；
The regulating reservoir（10）Right side housing（1）NF membrane is provided with inside（11）, and NF membrane（11）Left side housing
（1）Ultrafiltration membrane filaments are provided with inside（12）, the ultrafiltration membrane filaments（12）Left side housing（1）Sterilization pool is provided with inside（13）, institute
State sterilization pool（13）Top be provided with opening（14）, and be open（14）On be provided with closure（15）, the housing（1）The right side
Side head is provided with outlet pipe（16）；
The preparation method of the NF membrane is comprised the following steps：
(i). rectangular-shape is made as using steel wire, supporting layer is obtained；
(ii). porous carrier layer is covered in obtained support layer surface；
(iii). nanofiltration film layer is covered in porous carrier layer surface, the preparation method of the nanofiltration film layer is comprised the following steps：
A. it is that 98% concentrated sulphuric acid adds into expansible graphite raw material by mass fraction in 0 DEG C of ice-water bath, is slowly added Gao Meng
Sour potassium, stirs, and 45-50 DEG C is heated in being placed on water bath with thermostatic control, keeps 0.5-2h；
B. deionized water is slowly added dropwise in resulting solution in step A to produce to reaction system bubble-free, heat up in water bath with thermostatic control
To 95-100 DEG C, 25-30 minutes are stirred, add hydrogen peroxide solution to the solution that mass fraction is 25% after natural cooling and be changed into bright
The suspension of yellow；
C. suspension obtained by step B is filtered into obtain brown color colloid, Jing pickling and deionized water wash are dried after super to neutrality
Ultrasonic disperse centrifugally operated in pure water, supernatant is placed in 65-75 DEG C of drying baker dries to obtain graphene oxide powder；
D. in step C, gained graphene oxide powder is placed in ultrasonic disperse 1-5h in polar solvent, removes supernatant, obtain after centrifugation
To graphene oxide solution；
E. with polymer ultrafiltration membrane as basement membrane, graphene oxide solution is filtered using basement membrane, under 0.05-0.5MPa static pressures
Constantly promote graphene oxide solution to make solvent molecule pass through ultrafilter membrane, obtain the nanofiltration film layer of moistening；
F. the product for covering the nanofiltration film layer of moistening is placed in vacuum drying oven and is dried, final nanofiltration film layer is obtained；
(iv). it is armor coated in nanofiltration film layer outer surface, the protective layer adopt concentration for 11-15% PVA aqueous solutions with receive
Filter membranous layer reaction is dried in being placed in vacuum drying oven, and NF membrane is obtained.
2. distributing rural domestic sewage treatment circulating device according to claim 1, it is characterised in that：The screen plate
（4）With filtering ponds（3）For activity connection.
3. distributing rural domestic sewage treatment circulating device according to claim 1, it is characterised in that：The filtering ponds
（3）With high-pressure pump（7）By communicating pipe（8）Connection, and high-pressure pump（7）With sedimentation tank（9）By communicating pipe（8）Connection.
4. distributing rural domestic sewage treatment circulating device according to claim 1, it is characterised in that：The filtering ponds
（3）With sedimentation tank（9）Bottom be provided with blow-off pipe（5）, and blow-off pipe（5）On be provided with control valve（6）.
5. distributing rural domestic sewage treatment circulating device according to claim 1, it is characterised in that：Described high score
Sub- ultrafiltration membrane material is any one in polyether sulfone, polyacrylonitrile, polypropylene, polyethylene, polycaprolactam or poly- furan alcohol.
6. the application of distributing rural domestic sewage treatment circulating device according to claim 1, it is characterised in that：
During use, sewage is interior into filtering ponds (3) from water inlet pipe (2), by the filtration of screen plate (4), then by high-pressure pump
(7) it is pumped in sedimentation tank (9), after the precipitation of sedimentation tank (9), by communicating pipe (8) into regulating reservoir (10)；
After the regulation of regulating reservoir (10) is processed, then after the preliminary filtration of NF membrane (11), then by ultrafiltration membrane filaments
(12) enter after deep filtration in sterilization pool (13), disinfectant powder is added into sterilization pool (13) by opening (14) so that disappear
Malicious powder is to the water disinfection after filtration；
Water after sterilization is flowed out from outlet pipe (16), and screen plate (4) is connected using activity with filtering ponds (3), facilitates screen plate
(4) disassembly, cleaning, the bottom of sedimentation tank (9) are provided with blow-off pipe (5), by using cooperatively for blow-off pipe (5), can be by mistake
Debris in filter tank (3) and sedimentation tank (9) are ejected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611120346.0A CN106542674A (en) | 2016-12-08 | 2016-12-08 | A kind of distributing rural domestic sewage treatment circulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611120346.0A CN106542674A (en) | 2016-12-08 | 2016-12-08 | A kind of distributing rural domestic sewage treatment circulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106542674A true CN106542674A (en) | 2017-03-29 |
Family
ID=58396760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611120346.0A Pending CN106542674A (en) | 2016-12-08 | 2016-12-08 | A kind of distributing rural domestic sewage treatment circulating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106542674A (en) |
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| CN106145512A (en) * | 2015-04-15 | 2016-11-23 | 江苏清溢环保设备有限公司 | Dispersion type domestic wastewater processing means |
| CN205740669U (en) * | 2016-05-18 | 2016-11-30 | 北京科林皓华环境科技发展有限责任公司 | A kind of thermostatic type integration embrane method Treated sewage reusing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008085315A1 (en) * | 2007-01-05 | 2008-07-17 | Siemens Water Technologies Corp. | Water treatment systems and methods |
| CN101519265A (en) * | 2009-04-09 | 2009-09-02 | 北京汉青天朗水处理科技有限公司 | Sewage treatment process and system |
| CN102107993A (en) * | 2010-12-23 | 2011-06-29 | 郑高宽 | Method for filtering various water sources into drinking water |
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| CN102603093A (en) * | 2011-11-09 | 2012-07-25 | 高全财 | Device for water treatment plant |
| CN102674591A (en) * | 2012-05-21 | 2012-09-19 | 杭州美亚水处理科技有限公司 | Method and device for making drinking water by coal mine water |
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| CN106145512A (en) * | 2015-04-15 | 2016-11-23 | 江苏清溢环保设备有限公司 | Dispersion type domestic wastewater processing means |
| CN105967437A (en) * | 2016-05-18 | 2016-09-28 | 北京科林皓华环境科技发展有限责任公司 | Constant-temperature integral membrane method reclaimed water reuse equipment |
| CN205740669U (en) * | 2016-05-18 | 2016-11-30 | 北京科林皓华环境科技发展有限责任公司 | A kind of thermostatic type integration embrane method Treated sewage reusing equipment |
| CN106045160A (en) * | 2016-07-29 | 2016-10-26 | 南京水杯子科技股份有限公司 | Combined type rural domestic sewage treatment method |
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