CN105585216B - Micro polluted source method for processing water supply depth - Google Patents
Micro polluted source method for processing water supply depth Download PDFInfo
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- CN105585216B CN105585216B CN201511030055.8A CN201511030055A CN105585216B CN 105585216 B CN105585216 B CN 105585216B CN 201511030055 A CN201511030055 A CN 201511030055A CN 105585216 B CN105585216 B CN 105585216B
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- ozone
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 32
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000835 fiber Substances 0.000 claims abstract description 25
- 230000003647 oxidation Effects 0.000 claims abstract description 21
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 21
- 239000000706 filtrate Substances 0.000 claims abstract description 17
- 238000011001 backwashing Methods 0.000 claims abstract description 11
- 238000005516 engineering process Methods 0.000 claims abstract description 10
- 238000005660 chlorination reaction Methods 0.000 claims abstract description 8
- 230000005484 gravity Effects 0.000 claims abstract description 8
- 239000003610 charcoal Substances 0.000 claims abstract description 7
- 238000004062 sedimentation Methods 0.000 claims abstract description 7
- 238000000151 deposition Methods 0.000 claims abstract description 6
- 239000010802 sludge Substances 0.000 claims abstract description 6
- 230000000717 retained effect Effects 0.000 claims abstract description 5
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 238000005273 aeration Methods 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- 238000010926 purge Methods 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 244000005700 microbiome Species 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 19
- 239000003651 drinking water Substances 0.000 abstract description 3
- 235000020188 drinking water Nutrition 0.000 abstract description 3
- 239000008213 purified water Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 239000002957 persistent organic pollutant Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000002195 synergetic effect Effects 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a kind of micro polluted source method for processing water supply depth, sedimentation basin water outlet enters ozone pre-oxidation pond, and larger molecular organics are decomposed into small organic molecule by the strong oxidation of ozone in water；The water outlet in ozone pre-oxidation pond is promoted to high-efficiency bio-filter pool, and the filtering velocity of high-efficiency bio-filter pool is 6~10m/h, and filtrate crushes charcoal and ceramic grain filter including briquetting；The water outlet gravity of high-efficiency bio-filter pool flow to fiber filtering filter tank, suspended particulate is retained by fiber filtering, sludge system finally is entered with backwashing water, depositing technology, the water outlet of fiber filtering filter tank enters clear water reserviors and is pumped into public supply mains by pressurization after chlorination.Purified water outlet enters clear water reserviors after chlorination, reaches《Standards for drinking water quality》(GB5749 2006) solves in ozone biological activated carbon further treatment technique the problem of filter tank blocks, and organic removal rate is low, and operating cost is high, suitable for micro polluted source, the advanced treating of especially southern damp-heat area micro polluted source.
Description
Technical field
The present invention relates to a kind of Water purification technology more particularly to a kind of micro polluted source method for processing water supply depth.
Background technology
With the development of industry, the effect of superposition is presented in the intensity of pollution of waterhead and range, has been further exacerbated by water resource
Shortage and the contradiction of water requirements.Micro quantity organic pollutant problem also becomes more prominent in body eutrophication and water, conventional
Water-purifying process, i.e., flocculation-precipitation-sand filtration-disinfection treatment method is it is difficult to ensure that water quality.
At present, studying more further treatment technique has photochemical catalytic oxidation, membrane technology, biological activated carbon, ozone-biology to live
Property charcoal etc., wherein ozone-biological active carbon is current most widely used depth Water purification technology again, is by ozone chemistry oxygen
Change, the treatment process that biological activated carbon absorption and microbial degradation combine together.The pre- oxygen that organic pollutants pass through ozone
Change, macromolecular organic pollution is decomposed into small organic molecule, absorption and microorganism of the small organic molecule in consequent activities charcoal
Synergistic effect under degrade, drain eventually by backwash, depositing technology with sludge.But in practical applications, ozone-biology is living
Property carbon treatment process there are problems that, particularly in some southern damp-heat areas, water temperature, temperature are higher, microbial reproduction speed
Degree is fast, and oxygen demand is insufficient, and organic matter degradation is incomplete, and filter tank blocks, and backwash is frequent so that biological activated carbon filter
Filter efficiency reduces, and activated carbon wear rate raising, operating cost rises, and stable effluent quality is difficult to ensure that.
Invention content
The object of the present invention is to provide a kind of filter efficiency is high, operating cost is low, stable effluent quality micro polluted source
Method for processing water supply depth.
The purpose of the present invention is what is be achieved through the following technical solutions：
The micro polluted source method for processing water supply depth of the present invention, including step：
A, sedimentation basin water outlet enters ozone pre-oxidation pond, is laid with pure titanium metal aeration head in bottom of pond, pond body is divided to front and rear two
Section, front and rear two sections of pond hold than being 3:2, ozone adds a concentration of 1~3mg/L in pond, residence time of the water in pond for 10~
15min, larger molecular organics are decomposed into small organic molecule by the strong oxidation of ozone in water；
B, the water outlet in the ozone pre-oxidation pond is promoted to high-efficiency bio-filter pool, and the filtering velocity of the high-efficiency bio-filter pool is 6
~10m/h, filtrate include two kinds of filtrates, and one kind is that briquetting crushes charcoal, 1.2~1.3mm of particle size range, positioned at upper strata, floor height
1.8m, another kind are ceramic grain filters, and 3~6mm of grain size, floor height 0.5m, positioned at bottom, the thickness of middle part supporting layer is 0.3m, is held
Boring aeration pipe is laid in support layer, compressed air provides the oxygen source needed for microorganism growth by aeration tube；
C, the water outlet gravity of the high-efficiency bio-filter pool flow to fiber filtering filter tank, and the filtering velocity in the fiber filtering filter tank is
12~20m/h, filtrate load height 0.8m, and supporting layer uses rubble sand, 4~8mm of grain size, floor height 80mm, high-performance bio filter
Suspended particulate in the water outlet of pond is retained by fiber filtering, finally enters sludge system, fiber filter with backwashing water, depositing technology
The water outlet of material filter tank enters clear water reserviors and is pumped into public supply mains by pressurization after chlorination.
As seen from the above technical solution provided by the invention, micro polluted source provided in an embodiment of the present invention is to the depth of water
Processing method is spent, flocculation sedimentation tank water outlet is from ozone pre-oxidation pond is flowed into, and after ozone oxidation, larger molecular organics decompose in water
It for small organic molecule, improves Organic substance in water biodegradability and reduces the coloration of water, be discharged and be promoted to high-performance bio filter through pump
Bottom of pond portion water distributing area, the adsorbing of combined filtrate, biodegradable collective effect, micro quantity organic pollutant and ammonia nitrogen are able in water
Removal, water outlet gravity flows into fiber filtering filter tank, graininess suspended matter in water is further reduced by interception function, purified
Water outlet enters clear water reserviors after chlorination, reaches《Standards for drinking water quality》(GB5749-2006).
Description of the drawings
Fig. 1 is the flow diagram of micro polluted source method for processing water supply depth provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention will be described in further detail below.
The micro polluted source method for processing water supply depth of the present invention, preferable specific embodiment are：
Including step：
A, sedimentation basin water outlet enters ozone pre-oxidation pond, is laid with pure titanium metal aeration head in bottom of pond, pond body is divided to front and rear two
Section, front and rear two sections of pond hold than being 3:2, ozone adds a concentration of 1~3mg/L in pond, residence time of the water in pond for 10~
15min, larger molecular organics are decomposed into small organic molecule by the strong oxidation of ozone in water；
B, the water outlet in the ozone pre-oxidation pond is promoted to high-efficiency bio-filter pool, and the filtering velocity of the high-efficiency bio-filter pool is 6
~10m/h, filtrate include two kinds of filtrates, and one kind is that briquetting crushes charcoal, 1.2~1.3mm of particle size range, positioned at upper strata, floor height
1.8m, another kind are ceramic grain filters, and 3~6mm of grain size, floor height 0.5m, positioned at bottom, the thickness of middle part supporting layer is 0.3m, is held
Boring aeration pipe is laid in support layer, compressed air provides the oxygen source needed for microorganism growth by aeration tube；
C, the water outlet gravity of the high-efficiency bio-filter pool flow to fiber filtering filter tank, and the filtering velocity in the fiber filtering filter tank is
12~20m/h, filtrate load height 0.8m, and supporting layer uses rubble sand, 4~8mm of grain size, floor height 80mm, high-performance bio filter
Suspended particulate in the water outlet of pond is retained by fiber filtering, finally enters sludge system, fiber filter with backwashing water, depositing technology
The water outlet of material filter tank enters clear water reserviors and is pumped into public supply mains by pressurization after chlorination.
The backwashing manner in the fiber filtering filter tank uses air-water backwashing, and flush sequence is followed successively by air purge --- and air water joins
Syzygies is washed --- washing, 3~5min of air purge time, 20~22L/s.m of air purge intensity2；3~5min of washing time washes intensity
6L/s.m2, 8~10min of washing time, gas and water backwash rate remain unchanged air water simultaneously, whole process rinsing, and rinsing intensity 1.4~
2.8L/s.m2。
The method for processing water supply depth suitable for micro polluted source of the present invention, flocculation sedimentation tank water outlet are pre- from ozone is flowed into
Oxidation pond, after ozone oxidation, larger molecular organics are decomposed into small organic molecule in water, improve Organic substance in water biodegradability
It with the coloration for reducing water, is discharged and is promoted to high-efficiency bio-filter pool bottom water distributing area through pump, combined filtrate adsorbs, is biodegradable
Collective effect, micro quantity organic pollutant and ammonia nitrogen are removed in water, and water outlet gravity flows into fiber filtering filter tank, passes through interception
Effect further reduces graininess suspended matter in water, and purified water outlet enters clear water reserviors after chlorination, reaches《Life is drunk
Water hygiene standard》(GB5749-2006), it solves filter tank blocking, organic matter in ozone-biological active carbon further treatment technique to go
Except rate is low, the problem of operating cost is high, suitable for micro polluted source, the depth of especially southern damp-heat area micro polluted source
Reason.
Compared with prior art, the present invention it has the following advantages：It is damp and hot by combining filtrate solution activated carbon filter south
The easy blockage problem in area, reduces backwash frequency, reduces activated carbon wear rate, saved water-supply plant operation expense；
Simultaneously by the fiber filtering united application with high filtering velocity, land used is both saved, also to satisfaction《Standards for drinking water quality》
(GB5749-2006) sufficient guarantee is provided.
Specific embodiment：
As shown in Figure 1, its step are as follows：
(1) ozone pre-oxidation pond water inlet autoflocculation sedimentation basin water outlet, bottom of pond is interior to be laid with pure titanium metal aeration head, before pond body is divided
2 sections afterwards, 2 sections of ponds hold ratio 3:2；Ozone adds 1~3mg/L of concentration, 10~15min of residence time；Larger molecular organics lead in water
The strong oxidation for crossing ozone is decomposed into small organic molecule.
(2) ozone pre-oxidation pond water outlet is promoted to high-efficiency bio-filter pool.High-efficiency bio-filter pool 6~10m/h of filtering velocity, filtrate by
2 kinds of filtrate compositions, one kind is that briquetting crushes charcoal, 1.2~1.3mm of particle size range, positioned at upper strata, floor height 1.8m；One kind is haydite
Filtrate, 3~6mm of grain size, floor height 0.5m, positioned at bottom.Support layer thickness 0.3m is laid with boring aeration pipe in supporting layer, compresses
Air provides the oxygen source needed for microorganism growth by aeration tube.
Filter cell rinse uses combined water and air backwash, 10~15L/s.m of air blasting intensity2, water rushes 4~6L/s.m of intensity2, gas
Time 3min is rushed, water rushes 3~5min of time, air water while washing time 4min.It is aerated gas-water ratio 0.2~0.5:1；
Pre- ozone oxidation pond water outlet enters high-efficiency bio-filter pool water distributing area by pumping from bottom of pond, laggard through filter uniform water distribution
Enter filtrate area, organic pollutants and ammonia nitrogen to be degraded in the absorption of activated carbon and the collective effect of biological bacteria, remove, simultaneously
Bottom aerating system provides the required oxygen of microbial degradation organic matter.Through treated in filter tank, water outlet enters at the top of filter tank
To outlet canal, subsequent fiber filter material filter pool is then flowed by gravity.
(3) high-efficiency bio-filter pool water outlet gravity flow to fiber filtering filter tank.Fiber filtering filter tank 12~20m/h of filtering velocity, filter
Material loads height 0.8m, and supporting layer uses rubble sand, 4~8mm of grain size, floor height 80mm.Backwashing manner uses air-water backwashing,
Flush sequence is followed successively by air purge --- air water joint is rinsed --- washing, air purge time 4min, air purge intensity 20L/s.m2；During washing
Between 3~5min, washing intensity 6L/s.m2, 8~10min of washing time, gas and water backwash rate remain unchanged air water simultaneously, whole
Rinsing, rinsing intensity 2L/s.m2。
High-efficiency bio-filter pool water outlet in suspended particulate retained by fiber filtering, finally with backwashing water, depositing technology into
Enter to sludge system.The water outlet of fiber filtering filter tank enters clear water reserviors and is pumped into public supply mains by pressurization after chlorination.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art is in the technical scope of present disclosure, the change or replacement that can readily occur in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (1)
1. a kind of micro polluted source method for processing water supply depth, which is characterized in that including step：
A, sedimentation basin water outlet enters ozone pre-oxidation pond, is laid with pure titanium metal aeration head in bottom of pond, and pond body is divided to front and rear two sections, preceding
Two sections of pond holds than being 3 afterwards:2, ozone adds a concentration of 1~3mg/L in pond, and residence time of the water in pond is 10~15min,
Larger molecular organics are decomposed into small organic molecule by the strong oxidation of ozone in water；
B, the water outlet in the ozone pre-oxidation pond is promoted to high-efficiency bio-filter pool, the filtering velocity of the high-efficiency bio-filter pool for 6~
10m/h, filtrate include two kinds of filtrates, and one kind is that briquetting crushes charcoal, 1.2~1.3mm of particle size range, positioned at upper strata, floor height 1.8m,
Another kind is ceramic grain filter, 3~6mm of grain size, floor height 0.5m, and positioned at bottom, the thickness of middle part supporting layer is 0.3m, in supporting layer
Boring aeration pipe is laid with, compressed air provides the oxygen source needed for microorganism growth by aeration tube；
C, the water outlet gravity of the high-efficiency bio-filter pool flow to fiber filtering filter tank, the filtering velocity in the fiber filtering filter tank for 12~
20m/h, filtrate load height 0.8m, and supporting layer uses rubble sand, 4~8mm of grain size, floor height 80mm, and high-efficiency bio-filter pool goes out
Suspended particulate in water is retained by fiber filtering, finally enters sludge system, fiber filtering filter with backwashing water, depositing technology
Pond water outlet enters clear water reserviors and is pumped into public supply mains by pressurization after chlorination；
The backwashing manner in the fiber filtering filter tank uses air-water backwashing, and flush sequence is followed successively by air purge --- air water joint punching
Wash --- washing, 3~5min of air purge time, 20~22L/s.m of air purge intensity2；3~5min of washing time, washing intensity 6L/
s.m2, 8~10min of washing time, gas and water backwash rate remain unchanged air water simultaneously, whole process rinsing, and rinsing intensity 1.4~
2.8L/s.m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201511030055.8A CN105585216B (en) | 2015-12-31 | 2015-12-31 | Micro polluted source method for processing water supply depth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030055.8A CN105585216B (en) | 2015-12-31 | 2015-12-31 | Micro polluted source method for processing water supply depth |
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| Publication Number | Publication Date |
|---|---|
| CN105585216A CN105585216A (en) | 2016-05-18 |
| CN105585216B true CN105585216B (en) | 2018-07-10 |
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| CN201511030055.8A Expired - Fee Related CN105585216B (en) | 2015-12-31 | 2015-12-31 | Micro polluted source method for processing water supply depth |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045210B (en) * | 2016-07-15 | 2019-08-06 | 长安大学 | A process and system for advanced treatment of micro-polluted source water |
| CN106986507A (en) * | 2017-05-22 | 2017-07-28 | 舟山风扬环保科技有限公司 | A kind of micropollutant water integrated treatment integrated apparatus |
| CN108308100A (en) * | 2018-04-02 | 2018-07-24 | 天津农学院 | A kind of circulating water body device for cultivating penaeus monodon |
| CN111003901A (en) * | 2019-12-30 | 2020-04-14 | 河海大学 | Biological aerated filter combined device for pretreatment of feed water of micro-polluted water source |
| CN115353256B (en) * | 2022-08-22 | 2024-04-16 | 山东华城工程技术有限公司 | Water purification treatment process for micro-polluted surface water source water |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267756A (en) * | 2010-06-04 | 2011-12-07 | 中国科学院过程工程研究所 | Waste water deep treatment method through heterogeneous catalysis and ozone oxidation, and apparatus thereof |
| CN102745863A (en) * | 2012-07-04 | 2012-10-24 | 哈尔滨工业大学 | High efficiency fluidization upward flow multilayer composite filter material biological filter tank coupled with ozonation and water treatment method thereof |
| CN103657169A (en) * | 2013-12-04 | 2014-03-26 | 南京中电环保股份有限公司 | Tubular fiber bundle filtering method and apparatus |
| CN104108830A (en) * | 2014-07-04 | 2014-10-22 | 广东开源环境科技有限公司 | Novel recycled water advanced treatment and recycling system |
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2015
- 2015-12-31 CN CN201511030055.8A patent/CN105585216B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267756A (en) * | 2010-06-04 | 2011-12-07 | 中国科学院过程工程研究所 | Waste water deep treatment method through heterogeneous catalysis and ozone oxidation, and apparatus thereof |
| CN102745863A (en) * | 2012-07-04 | 2012-10-24 | 哈尔滨工业大学 | High efficiency fluidization upward flow multilayer composite filter material biological filter tank coupled with ozonation and water treatment method thereof |
| CN103657169A (en) * | 2013-12-04 | 2014-03-26 | 南京中电环保股份有限公司 | Tubular fiber bundle filtering method and apparatus |
| CN104108830A (en) * | 2014-07-04 | 2014-10-22 | 广东开源环境科技有限公司 | Novel recycled water advanced treatment and recycling system |
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