CN104445691A - Circulating powdered activated carbon and ultrafiltration combined water treatment system and application thereof - Google Patents
Circulating powdered activated carbon and ultrafiltration combined water treatment system and application thereof Download PDFInfo
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- CN104445691A CN104445691A CN201410708532.0A CN201410708532A CN104445691A CN 104445691 A CN104445691 A CN 104445691A CN 201410708532 A CN201410708532 A CN 201410708532A CN 104445691 A CN104445691 A CN 104445691A
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- activated carbon
- powdered activated
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
The invention relates to a circulating powdered activated carbon and ultrafiltration combined water treatment system and an application thereof. The system comprises a powdered activated carbon adding unit, a powdered activated carbon contact-settling unit, a submerged ultrafiltration device, a produced water pump, an aeration fan, a reflux pump, a backwash pump and a produced water box, wherein the powdered activated carbon adding unit is connected with the powdered activated carbon contact-settling unit, the powdered activated carbon contact-settling unit is connected with the submerged ultrafiltration device, the bottom of the submerged ultrafiltration device is connected with the powdered activated carbon contact-settling unit, the submerged ultrafiltration device is connected with the produced water box, and the aeration fan is connected with the submerged ultrafiltration device through a pipeline. According to the system, the adsorption effect of powdered activated carbon on micro-molecular organic matters and the screening effect of an ultrafiltration membrane on macro-molecular organic matters and pathogenic microorganisms such as bacteria and the like are well combined, so that the removal rate of the organic matters is greatly increased. Produced water has the advantages that the water quality is high, the water production cost is low, the equipment investment is saved and the like.
Description
Technical field
The present invention relates to a kind of water treatment method and system thereof, the water treatment system of particularly a kind of circulate Powdered Activated Carbon and ultrafiltration combination and application thereof.Waterworks can be widely used in and carry mark transformation, micro-polluted surface water harnessing or industrial circulation water treatment etc.
Background technology
Current, the waterworks of China 95% is still adopting conventional flowsheet, and namely " precipitation---dosing reaction, coagulating sedimentation---filter (being followed successively by gac, quartz sand, cobble)---sterilization (liquid chlorine)---transmission & distribution water ".
When drinking water source is constantly subject to polluting, conventionally process, COD
mncan only about 30% be removed, the new national standard of 3mg/L cannot be less than; In addition, common process also lacks oxidation and the adsorption technology of organics removal.For waterworks, because water source is continuous worsening, many water factories are forced to continue to increase the consumption of liquid chlorine.Chlorine residue is residual also can work the mischief to human body; Even if liquid chlorine is thrown in many again, the technique of this " precipitation adds sterilization ", also only works to bacterium and microorganism, though can stop transmissible disease, helpless to organism, chemical substance.
Powdered Activated Carbon is the one of gac, has good absorption property, and chemical stability is good, can strong alkali-acid resistance, can stand water logging, high temperature.It is a kind of very effective method that Powdered Activated Carbon improves in water quality at process tap water, and its method of operation is sensitive, and at a low price, result is clearly demarcated for expense.Powdered Activated Carbon burst in process water is smelt in taste, industrial pollutants and is had good application.
Compared with conventional processes, ultra-filtration technique can effectively by removals such as the macromole in former water, colloid, protein, particulates, and when not using chemistry or uv sterilisation, ultrafiltration still has good removal effect to virus, thus follow-up sterilization chlorine dosage can be reduced, reduce the growing amount of disinfection byproduct (DBP), ensure microbial safety and the chemical safety of water outlet simultaneously.
Disclosed on 07 24th, 2013, patent of invention number is 201310111649.6, denomination of invention is the Chinese invention patent of " a kind of water purification plant Powdered Activated Carbon backflow/ultrafiltration combination process ", disclose a kind of water purification plant Powdered Activated Carbon backflow/ultrafiltration combination process, it adds to ultrafiltration membrane pool by Powdered Activated Carbon, adopts reflux pump to be back to the pre-treatment coagulation stage with certain reflux ratio by ultrafiltration membrane pool through the Powdered Activated Carbon of certain residence time simultaneously.Powdered Activated Carbon directly adds to ultrafiltration membrane pool by this patented technology, and the residence time is short, and gac can not abundant adsorb organic compound; And residual powder gac is directly back to coagulating sedimentation and the process of the pollutent such as suspended substance, colloid coprecipitation, makes Powdered Activated Carbon obtain regeneration.
Therefore, the water treatment system of a kind of more efficient circulation Powdered Activated Carbon and ultrafiltration combination and application thereof is provided just to become the technical barrier that this technical field is badly in need of solution.
Summary of the invention
An object of the present invention be to provide a kind of can to the adsorption of low molecule organic matter and ultra-filtration membrane, the sieving action to the pathogenic micro-organism such as larger molecular organics and bacterium combines well by Powdered Activated Carbon, greatly improve the circulation Powdered Activated Carbon of organic clearance and the water treatment system of ultrafiltration combination.
Above-mentioned purpose of the present invention reaches by the following technical programs:
A kind of water treatment system of circulate Powdered Activated Carbon and ultrafiltration combination, it is characterized in that: comprise Powdered Activated Carbon and add unit, Powdered Activated Carbon contact precipitation unit, immersion ultra-filtration equipment, produce water pump, Aeration fan, reflux pump, backwashing pump and product water tank, described Powdered Activated Carbon is added unit and is connected with described Powdered Activated Carbon contact precipitation unit by pipeline, described Powdered Activated Carbon contact precipitation unit is connected with immersion ultra-filtration equipment by pipeline, be connected with described Powdered Activated Carbon contact precipitation unit with pipeline by reflux pump bottom described immersion ultra-filtration equipment, described immersion ultra-filtration equipment is connected with product water tank with pipeline by producing water pump, described product water tank is connected with described immersion ultra-filtration equipment with pipeline by backwashing pump, described Aeration fan is connected with described immersion ultra-filtration equipment by pipeline.
A kind of optimal technical scheme, is characterized in that: described Powdered Activated Carbon adds unit and comprises Powdered Activated Carbon configuration case and add pump, and the two is connected by tubing system.
A kind of optimal technical scheme, is characterized in that: described Powdered Activated Carbon contact precipitation unit comprises Powdered Activated Carbon composite liberation pond, whipping appts and discharge equipment.
A kind of optimal technical scheme, is characterized in that: described discharge equipment is gravity discharge device.
A kind of optimal technical scheme, it is characterized in that: namely described gravity discharge device is provided with conical discharge outlet bottom Powdered Activated Carbon composite liberation pond, rely on the proportion of saturated activity charcoal to add the bigger principle of gac than newly, to be concentrated at the bottom of pond by action of gravity and to discharge.
Another object of patent of the present invention is to provide the method for water treatment system for water treatment of a kind of above-mentioned circulation Powdered Activated Carbon and ultrafiltration combination.
The above-mentioned purpose of patent of the present invention reaches by the following technical programs:
Circulate Powdered Activated Carbon and ultrafiltration combination a water treatment method, its step is as follows:
(1) from waterworks coagulating sedimentation or preliminary filter after water add after unit adds a certain amount of Powdered Activated Carbon through Powdered Activated Carbon, first Powdered Activated Carbon contact precipitation unit is entered, gac and sewage are fully mixed and planar water small molecular organism by low rate mixing, in Powdered Activated Carbon contact precipitation unit, because the proportion of saturated activity charcoal is more bigger than the gac newly added, be concentrated into Powdered Activated Carbon contact precipitation unit bottom by action of gravity and get rid of;
(2) after the mixed solution of sewage and gac flows out from Powdered Activated Carbon contact precipitation unit, enter in immersion ultra-filtration equipment, the separation of charcoal water is carried out by the sieving action of ultra-filtration membrane, ultrafiltration is while retaining Powdered Activated Carbon, also the pollutent such as most particles, suspended substance, larger molecular organics, bacterium in sewage is effectively removed, thus obtain water purification;
(3) water outlet of immersion ultra-filtration equipment enters product water tank through producing water pump, and the charcoal water mixed liquid retained in immersion ultra-filtration equipment is back to Powdered Activated Carbon contact precipitation unit by reflux pump;
(4) immersion ultra-filtration equipment needs regular backwash, and during backwash, the product water produced in water tank gets back to immersion ultra-filtration equipment by backwashing pump, carries out water backwash, utilize Aeration fan to carry out gas scouring to ultrafiltration membrane surface simultaneously to ultra-filtration membrane.
A kind of optimal technical scheme, is characterized in that: described Powdered Activated Carbon adds unit and comprises Powdered Activated Carbon configuration case and add pump, and the two is connected by tubing system.
A kind of optimal technical scheme, is characterized in that: described Powdered Activated Carbon contact precipitation unit comprises Powdered Activated Carbon composite liberation pond, whipping appts and discharge equipment.
A kind of optimal technical scheme, is characterized in that: described discharge equipment is gravity discharge device.
A kind of optimal technical scheme, it is characterized in that: namely described gravity discharge device is provided with conical discharge outlet bottom Powdered Activated Carbon composite liberation pond, rely on the proportion of saturated activity charcoal to add the bigger principle of gac than newly, to be concentrated at the bottom of pond by action of gravity and to discharge.
A kind of optimal technical scheme, is characterized in that: in the Powdered Activated Carbon contact precipitation unit described in described step (1), and the gac discharge that is contacting and separating concentrates in a reaction tank and carries out.
Advantage of the present invention is:
Powdered Activated Carbon and ultrafiltration membrance filter perfectly combine by the present invention, combine Powdered Activated Carbon to the adsorption of small organic molecule and ultra-filtration membrane to the sieving action of the pathogenic micro-organism such as larger molecular organics and bacterium, substantially increase organic clearance.Product glassware for drinking water is had advantages such as water quality is excellent, water producing cost is low, low equipment investment.
Powdered Activated Carbon first mixes by the present invention in Powdered Activated Carbon composite liberation pond, and sewage enters in immersed type membrane pond with the mixed solution of Powdered Activated Carbon again and is separated afterwards, increases the duration of contact of Powdered Activated Carbon and sewage, improves effluent quality; In Powdered Activated Carbon composite liberation pond, utilize action of gravity to be separated by saturated charcoal, saturated charcoal reclaiming is recycled becomes possibility simultaneously.
Below by the drawings and specific embodiments, the present invention will be further described, but not mean limiting the scope of the invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the water treatment system of circulation Powdered Activated Carbon of the present invention and ultrafiltration combination.
Description of reference numerals:
1 Powdered Activated Carbon adds unit 2 Powdered Activated Carbon composite liberation unit
3 Aeration fan 4 immersion ultra-filtration equipment
5 produce water pump 6 produces water tank
7 backwashing pump 8 reflux pumps
Embodiment
Unless stated otherwise, in patent application of the present invention, equipment therefor or equipment are the general device in this area or equipment; Method used is the general method in this area.
As shown in Figure 1, circulate for the present invention is a kind of the structural representation of water treatment system of Powdered Activated Carbon and ultrafiltration combination.In figure, 1 adds unit for Powdered Activated Carbon, and 2 is Powdered Activated Carbon composite liberation unit, and 3 is Aeration fan, and 4 is immersion ultra-filtration equipment, and 5 for producing water pump, and 6 for producing water tank, and 7 is backwashing pump, and 8 is reflux pump.
The circulate water treatment system of Powdered Activated Carbon and ultrafiltration combination of the present invention comprises Powdered Activated Carbon and adds unit 1, Powdered Activated Carbon contact precipitation unit 2, immersion ultra-filtration equipment 3, produce water pump 5, Aeration fan 3, reflux pump 8, backwashing pump 7 and product water tank 6, Powdered Activated Carbon is added unit 1 and is connected with Powdered Activated Carbon contact precipitation unit 2 by pipeline, Powdered Activated Carbon contact precipitation unit 2 is connected with immersion ultra-filtration equipment 3 by pipeline, be connected with Powdered Activated Carbon contact precipitation unit 2 with pipeline by reflux pump 8 bottom immersion ultra-filtration equipment 3, immersion ultra-filtration equipment 3 is connected with product water tank 6 with pipeline by producing water pump 5, produce water tank 6 to be connected with immersion ultra-filtration equipment 3 with pipeline by backwashing pump 7, Aeration fan 3 is connected with immersion ultra-filtration equipment 3 by pipeline.Powdered Activated Carbon adds unit 1 and comprises Powdered Activated Carbon configuration case and add pump, and the two is connected by tubing system.Powdered Activated Carbon contact precipitation unit 2 comprises Powdered Activated Carbon composite liberation pond, whipping appts and discharge equipment.Described discharge equipment is gravity discharge device, and this gravity discharge device is provided with conical discharge outlet bottom Powdered Activated Carbon composite liberation pond, relies on the proportion of saturated activity charcoal to add the bigger principle of gac than newly, to be concentrated at the bottom of pond and to discharge by action of gravity.
The application method of the water treatment system of circulation Powdered Activated Carbon of the present invention and ultrafiltration combination comprises the steps:
(1) add unit 1 from the sewage after waterworks coagulating sedimentation or preliminary filtration through Powdered Activated Carbon and add a certain amount of Powdered Activated Carbon, described Powdered Activated Carbon adds unit 1 and comprises Powdered Activated Carbon configuration case and add pump, and the two is connected by tubing system.First treatment sewage through adding Powdered Activated Carbon enters Powdered Activated Carbon composite liberation unit 2, described Powdered Activated Carbon composite liberation unit 2 comprises Powdered Activated Carbon composite liberation pond, the agitator being positioned at inside, Powdered Activated Carbon composite liberation pond and the discharge equipment be positioned at bottom Powdered Activated Carbon composite liberation pond, Powdered Activated Carbon and sewage are fully mixed and planar water small molecular organism by low rate mixing, in Powdered Activated Carbon composite liberation pond, because saturated activity charcoal is more great than the ratio of the gac newly added, to be concentrated into bottom Powdered Activated Carbon composite liberation pond by action of gravity and to get rid of, be coniform at the bottom of described Powdered Activated Carbon composite liberation pond, and be provided with discharge outlet (i.e. gravity discharge device).
(2) after the mixed solution of sewage and gac flows out from Powdered Activated Carbon composite liberation pond, enter in immersion ultra-filtration equipment 4, by the aeration of Aeration fan 3, active carbon powder is fully mixed with sewage, the separation of charcoal water is carried out in the sieving action of recycling ultra-filtration membrane, the pollutent such as most particles, suspended substance, larger molecular organics, bacterium in sewage, while retaining Powdered Activated Carbon, is also effectively removed, thus is obtained water purification by ultra-filtration membrane.
(3) water outlet in immersion ultra-filtration equipment 4 enters product water tank 6 through producing water pump 5; Charcoal water mixed liquid in immersion ultra-filtration equipment 4 is back to Powdered Activated Carbon composite liberation pond by reflux pump 8.
(4) ultra-filtration membrane needs regularly to carry out backwash, and during backwash, the product water produced in water tank 6 gets back to immersion ultrafiltration system 4 by backwashing pump 7, carries out backwash, utilize Aeration fan to carry out gas scouring to ultrafiltration membrane surface simultaneously to ultra-filtration membrane.
Powdered Activated Carbon and ultrafiltration membrance filter perfectly combine by the present invention, combine Powdered Activated Carbon to the adsorption of small organic molecule and ultra-filtration membrane to the sieving action of the pathogenic micro-organism such as larger molecular organics and bacterium, substantially increase organic clearance.Product glassware for drinking water is had advantages such as water quality is excellent, water producing cost is low, low equipment investment.
Powdered Activated Carbon first mixes by the present invention in Powdered Activated Carbon composite liberation pond, and sewage enters in immersed type membrane pond with the mixed solution of Powdered Activated Carbon again and is separated afterwards, increases the duration of contact of Powdered Activated Carbon and sewage, improves effluent quality; In Powdered Activated Carbon composite liberation pond, utilize action of gravity to be separated by saturated charcoal, saturated charcoal reclaiming is recycled becomes possibility simultaneously.
Claims (10)
1. the water treatment system of Powdered Activated Carbon and ultrafiltration combination that circulates, it is characterized in that: comprise Powdered Activated Carbon and add unit, Powdered Activated Carbon contact precipitation unit, immersion ultra-filtration equipment, produce water pump, Aeration fan, reflux pump, backwashing pump and product water tank, described Powdered Activated Carbon is added unit and is connected with described Powdered Activated Carbon contact precipitation unit by pipeline, described Powdered Activated Carbon contact precipitation unit is connected with described immersion ultra-filtration equipment by pipeline, be connected with described Powdered Activated Carbon contact precipitation unit with pipeline by reflux pump bottom described immersion ultra-filtration equipment, described immersion ultra-filtration equipment is connected with product water tank with pipeline by producing water pump, described product water tank is connected with described immersion ultra-filtration equipment with pipeline by backwashing pump, described Aeration fan is connected with described immersion ultra-filtration equipment by pipeline.
2. the water treatment system of circulation Powdered Activated Carbon as claimed in claim 1 and ultrafiltration combination, is characterized in that: described Powdered Activated Carbon adds unit and comprises Powdered Activated Carbon configuration case and add pump, and the two is connected by tubing system.
3. the water treatment system of circulation Powdered Activated Carbon as claimed in claim 1 and ultrafiltration combination, is characterized in that: described Powdered Activated Carbon contact precipitation unit comprises Powdered Activated Carbon composite liberation pond, whipping appts and discharge equipment.
4. the water treatment system of circulation Powdered Activated Carbon as claimed in claim 3 and ultrafiltration combination, is characterized in that: described discharge equipment is gravity discharge device.
5. the water treatment system of the ultrafiltration combination of circulation Powdered Activated Carbon as claimed in claim 4, is characterized in that: described gravity discharge device is arrange conical discharge outlet in the bottom in described Powdered Activated Carbon composite liberation pond.
6. circulate according to any one of claim 1-5 the application method of water treatment system of Powdered Activated Carbon and ultrafiltration combination, and its step is as follows:
(1) from waterworks coagulating sedimentation or preliminary filter after water add after unit adds a certain amount of Powdered Activated Carbon through Powdered Activated Carbon, first Powdered Activated Carbon contact precipitation unit is entered, gac and sewage are fully mixed and planar water small molecular organism by low rate mixing, in Powdered Activated Carbon contact precipitation unit, because the proportion of saturated activity charcoal is more bigger than the gac newly added, be concentrated into Powdered Activated Carbon contact precipitation unit bottom by action of gravity and get rid of;
(2) after the mixed solution of sewage and gac flows out from Powdered Activated Carbon contact precipitation unit, enter in immersion ultra-filtration equipment, the separation of charcoal water is carried out by the sieving action of ultra-filtration membrane, ultrafiltration is while retaining Powdered Activated Carbon, also the pollutent such as most particles, suspended substance, larger molecular organics, bacterium in sewage is effectively removed, thus obtain water purification;
(3) water outlet of immersion ultra-filtration equipment enters product water tank through producing water pump, and the charcoal water mixed liquid retained in immersion ultra-filtration equipment is back to Powdered Activated Carbon contact precipitation unit by reflux pump;
(4) immersion ultra-filtration equipment needs regular backwash, and during backwash, the product water produced in water tank gets back to immersion ultra-filtration equipment by backwashing pump, carries out water backwash, utilize Aeration fan to carry out gas scouring to ultrafiltration membrane surface simultaneously to ultra-filtration membrane.
7. the application method of the water treatment system of circulation Powdered Activated Carbon as claimed in claim 6 and ultrafiltration combination, is characterized in that: described Powdered Activated Carbon adds unit and comprises Powdered Activated Carbon configuration case and add pump, and the two is connected by tubing system.
8. the application method of the water treatment system of circulation Powdered Activated Carbon as claimed in claim 6 and ultrafiltration combination, is characterized in that: described Powdered Activated Carbon contact precipitation unit comprises Powdered Activated Carbon composite liberation pond, whipping appts and discharge equipment.
9. the application method of the water treatment system of circulation Powdered Activated Carbon as claimed in claim 8 and ultrafiltration combination, it is characterized in that: described discharge equipment is gravity discharge device, this gravity installation is arrange conical discharge outlet in the bottom in described Powdered Activated Carbon composite liberation pond.
10. the application method of the water treatment system of circulation Powdered Activated Carbon as claimed in claim 6 and ultrafiltration combination, is characterized in that: in described Powdered Activated Carbon contact precipitation unit, and gac is contacting and separating and discharge concentrates in a reaction tank and carries out.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293743A (en) * | 2015-12-04 | 2016-02-03 | 湖北君集水处理有限公司 | Method for performing water purification plant advanced treatment by using submerged ultrafiltration membrane |
| CN106145385A (en) * | 2016-08-08 | 2016-11-23 | 上海市政工程设计研究总院（集团）有限公司 | A kind of water supply plant biological powder activated carbon circulating purification system |
| CN106915874A (en) * | 2017-05-09 | 2017-07-04 | 山东省城市供排水水质监测中心 | Bio-contact oxidation ultrafiltration integrated purifying processing unit and method |
| CN107285419A (en) * | 2016-04-13 | 2017-10-24 | 威立雅水务技术支持公司 | Pass through the method for treating water and corresponding factory of active carbon adsorption and purification |
| CN107902852A (en) * | 2017-12-27 | 2018-04-13 | 沧州绿源水处理有限公司 | One kind improves biochemical and immersion hyperfiltration treatment sewage technique using Powdered Activated Carbon |
| CN109095640A (en) * | 2018-08-13 | 2018-12-28 | 武汉森泰环保股份有限公司 | A kind of sewage disposal device and its sewage water treatment method |
| CN110734155A (en) * | 2019-11-20 | 2020-01-31 | 湖北加德科技股份有限公司 | water purifying device |
| CN114506970A (en) * | 2022-01-24 | 2022-05-17 | 天津市政工程设计研究总院有限公司 | System and method for cooperatively treating sewage and sludge by using powdered activated carbon |
| CN114524487A (en) * | 2022-03-25 | 2022-05-24 | 北京理工大学 | Novel water treatment system and process |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293743A (en) * | 2015-12-04 | 2016-02-03 | 湖北君集水处理有限公司 | Method for performing water purification plant advanced treatment by using submerged ultrafiltration membrane |
| CN107285419A (en) * | 2016-04-13 | 2017-10-24 | 威立雅水务技术支持公司 | Pass through the method for treating water and corresponding factory of active carbon adsorption and purification |
| CN106145385A (en) * | 2016-08-08 | 2016-11-23 | 上海市政工程设计研究总院（集团）有限公司 | A kind of water supply plant biological powder activated carbon circulating purification system |
| CN106915874A (en) * | 2017-05-09 | 2017-07-04 | 山东省城市供排水水质监测中心 | Bio-contact oxidation ultrafiltration integrated purifying processing unit and method |
| CN107902852A (en) * | 2017-12-27 | 2018-04-13 | 沧州绿源水处理有限公司 | One kind improves biochemical and immersion hyperfiltration treatment sewage technique using Powdered Activated Carbon |
| CN109095640A (en) * | 2018-08-13 | 2018-12-28 | 武汉森泰环保股份有限公司 | A kind of sewage disposal device and its sewage water treatment method |
| CN110734155A (en) * | 2019-11-20 | 2020-01-31 | 湖北加德科技股份有限公司 | water purifying device |
| CN114506970A (en) * | 2022-01-24 | 2022-05-17 | 天津市政工程设计研究总院有限公司 | System and method for cooperatively treating sewage and sludge by using powdered activated carbon |
| CN114506970B (en) * | 2022-01-24 | 2023-09-19 | 天津市政工程设计研究总院有限公司 | System and method for cooperatively treating sewage and sludge by using powdered activated carbon |
| CN114524487A (en) * | 2022-03-25 | 2022-05-24 | 北京理工大学 | Novel water treatment system and process |
| CN114524487B (en) * | 2022-03-25 | 2023-09-12 | 北京理工大学 | Water treatment system and process |
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