CN101759328A - Integrative dynamic treatment device for papermaking wastewater and method thereof - Google Patents
Integrative dynamic treatment device for papermaking wastewater and method thereof Download PDFInfo
- Publication number
- CN101759328A CN101759328A CN201010019513A CN201010019513A CN101759328A CN 101759328 A CN101759328 A CN 101759328A CN 201010019513 A CN201010019513 A CN 201010019513A CN 201010019513 A CN201010019513 A CN 201010019513A CN 101759328 A CN101759328 A CN 101759328A
- Authority
- CN
- China
- Prior art keywords
- water
- umformer
- scavenging tower
- paper waste
- papermaking wastewater
- 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.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention provides an integrative dynamic treatment device for papermaking wastewater and a method thereof. The device comprises a purification tower, a flow speed converter and a flow state converter that are sheathed in sequence and form a three-layer structure, wherein the purification tower is an outer layer, the flow speed converter is a middle layer, and the flow state converter is an inner layer. The top part of the three-layer structure is provided with an operation table, and the outer side of the tower wall of the upper end of the purification tower is provided with a water collecting trough and a water outlet. The outer side of the water collecting trough is connected with a water outlet channel, and the bottom part of the flow state converter is connected with a water inlet pipeline which is provided with a dosing device. The connection position between the water inlet pipeline and the bottom part of the flow state converter is provided with a damping nozzle. The method comprises the step: the multiple-layer structure of the device purifies and recycles the papermaking wastewater in a multi-stage mode. The device has simple structure and easy use. The realizing method can complete the physical and chemical separation, purification and activation of the papermaking wastewater, greatly shortens the process step of the papermaking wastewater, reduces the cost of equipment and the space investment, reduces the emission of the papermaking wastewater, and even realizes the zero emission of the papermaking wastewater.
Description
Technical field
The present invention relates to the wastewater processing technology of field of papermaking, particularly a kind of integrative dynamic treatment device for papermaking wastewater and method thereof.
Background technology
Papermaking enterprise is water consumption rich and influential family.In paper-making process, can produce a large amount of waste water, the principal pollutant of these paper wastes comprise organism, suspended substance and some environmentally harmful materials, and the content of pollutent in the waste water is generally measured by chemical oxygen demand cod, biological oxygen demand (BOD) BOD or suspended substance removal rate SS.And for these technological process for the treatment of papermaking methods, present papermaking enterprise generally adopts materialization isolation of purified (as air supporting method or flocculent precipitation etc.) to handle with the method that biochemical activation treatment (as aerobic/anaerobic method or SBR method etc.) combines, waste water part reuse after treatment, the part qualified discharge also need increase discharging again after the advanced treatment individually.Yet the flow process of this treatment process is long, processing unit is many, occupation of land face is also big, so the inevitable also increase of its facility investment, and complex disposal process, is unfavorable for cost control.Application number is that 200610084935.8 patent application discloses a kind of integrated treatment device for industrial waste water, trade effluent is separated and handle recovery by the triphase separator in installing, but this device only is suitable for the general industry sewage disposal that suspended substance is few, flow is little, and is many concerning this suspended substance of paper waste, the organic-inorganic thing is many, COD load is big, handle stream puts and obviously be difficult to realize the big paper waste.Therefore, if can realize internal recycle at enterprise's water system, materialization separate, the mobilizing function collection of purification and water is in a device, and by the high-order potential energy of device handling the on-the-spot reuse of production of flow automatically back of water behind the isolation of purified and mud (being rich in the mud of fiber fines), promptly paper waste is handled a continuously dynamic link that becomes production process, must raise the efficiency, reduce occupation area of equipment greatly, reduce investment and reduce trucking costs greatly, reach the reduction of discharging purpose of energy saving preferably.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, floor space is little, and can be used in the integrative dynamic treatment device for papermaking wastewater of paper waste recovery system preferably.
Another object of the present invention is to provide a kind of integrated paper waste method for dynamically processing of realizing by said apparatus.
The present invention is achieved through the following technical solutions: a kind of integrative dynamic treatment device for papermaking wastewater, comprise socket successively and constitute scavenging tower, flow velocity umformer and the fluidised form umformer of three-decker, wherein scavenging tower is outer, and the flow velocity umformer is the middle level, and the fluidised form umformer is an internal layer; The top of three-decker is provided with operator's console, the tower wall outside of scavenging tower upper end is provided with water leg, the tower wall that scavenging tower and water leg join is provided with water outlet, and the water leg outside is connected with water exit, the exit end of water exit external workshop equipment for reclaiming or in-depth treatment facility; The bottom of fluidised form umformer is connected with inlet channel, and inlet channel is provided with chemicals dosing plant, and the junction of inlet channel and fluidised form umformer bottom is provided with the damping nozzle, the external paper waste water collecting basin of the entrance end of inlet channel.The top rigidity welding of service platform and scavenging tower, flow velocity umformer and water leg is fixing.
Described scavenging tower top is cylindrical-shaped structure, the bottom is the bottom surface diameter inverted cone structure identical with the top body diameter, the vertex of a cone of bottom inverted cone is provided with reducing bend mud vent pipe, the scavenging tower below is connected by annular three angle beams between the point of suppon of each pillar by 6～12 shore supports; The body diameter of scavenging tower is 3000～12000mm, and the total height of scavenging tower is 5000～12000mm.The body diameter of scavenging tower and total height thereof are calculated selection by the actual emission of waste water.
The central axis of described reducing bend mud vent pipe and the angle of horizontal plane are 0～90 °.According to the space of scavenging tower below or scavenging tower the needs that cooperate with its external mud retrieving arrangement, can select the angle of reducing bend mud vent pipe central axis and horizontal plane, also can be according to actual needs the internal diameter of reducing bend mud vent pipe be designed.
Be provided with the bionic aquatic weed that is used for further activated water in the cylinder on described scavenging tower top.
Bionic aquatic weed in the cylinder of described scavenging tower top is 1～3 layer, and bionic aquatic weed is located in the altitude range apart from scavenging tower cat head 1000～3000mm.
Be provided with the Polyscrylamide water purification agent in the described fluidised form umformer.
Described chemicals dosing plant is a Venturi, is provided with polyaluminium chloride water purification agent and engineered microbes in the chemicals dosing plant; Described engineered microbes is the efficient engineered microbes that integrates aerobic bacteria, double oxygen bacterium and anerobe.
Be provided with bionic aquatic weed in the described water leg.
Set bionic aquatic weed all adopts macromolecular material to make in scavenging tower or the water leg, its shape is similar to pasture and water, its effect is to grow the place of living as the engineered microbes wadding, under the synergy of bionic aquatic weed and engineered microbes, can further degrade to paper waste, thereby reduce its COD, BOD or reduce compositions such as total phosphorus, total helium, ammonia nitrogen, and activated water.
The material of described scavenging tower outer wall is carbon steel or concrete, and the material of scavenging tower inwall is a carbon steel, and scavenging tower inwall top layer scribbles antiseptic and rustproof paint vehicle; When the scavenging tower outer wall materials is carbon steel, the paint vehicle that the top layer oiling of scavenging tower outer wall is antirust.
When this integrative dynamic treatment device for papermaking wastewater was used for the paper waste recovery system, the integrated paper waste method for dynamically processing of realizing by this device may further comprise the steps:
(1) paper waste of production scene is stored in the water collecting basin in advance, and by inlet channel, pump is delivered to the paper waste in the water collecting basin in the fluidised form umformer;
When (2) paper waste was by inlet channel, the chemicals dosing plant of being located on the inlet channel added engineered microbes and polyaluminium chloride water purification agent and makes its thorough mixing in paper waste, and produce micro-floccule in the paper waste this moment;
When (3) paper waste is sent to fluidised form umformer bottom, spray in the fluidised form umformer by the damping nozzle, paper waste enters behind the fluidised form umformer and Polyscrylamide water purification agent thorough mixing wherein, produces the poly-particle of the bigger wadding of volume this moment in the paper waste;
(4) paper waste constantly enters the fluidised form umformer, mix the back overflows from fluidised form umformer top and flow to the scavenging tower under the inwall of flow velocity umformer slows down with the Polyscrylamide water purification agent, because paper waste flow velocity in the flow velocity umformer is slack-off, so after entering scavenging tower, the poly-particle of wadding in the paper waste precipitates gradually and forms consolidates the shape flocs unit, the fiber fines of paper waste can form reticulated structure automatically in the middle and lower part of scavenging tower, this reticulated structure energy filtration;
(5) its solid shape flocs unit of paper waste post precipitation is discharged from the reducing bend mud vent pipe of scavenging tower bottom, when sedimentary upper strata waste water process bionic aquatic weed, the engineered microbes wadding is grown and is lived, under the synergy of bionic aquatic weed and engineered microbes, organism in the waste water of upper strata is further degraded, and activated water, enter water leg by the water outlet that purifies on the Tata wall at last, directly deliver to workshop equipment for reclaiming or in-depth treatment facility by the water exit in the water leg outside.
In the said process, because paper waste is to handle in the continuous feeder, and treated waste water can discharge use continuously, so can reach running balance.
The present invention has following advantageous effect with respect to prior art:
1, this integrative dynamic treatment device for papermaking wastewater is simple in structure, easy to use, as long as this device is located in the paper waste recycling system, can carry out materialization to paper waste separates, purifies and activation, do not separate, purify and activation and do not need to adopt respectively special equipment to carry out materialization, shortened the technological process for the treatment of papermaking flow process greatly, reduce equipment cost, reduce the place investment.
2, according to actual needs, this integrative dynamic treatment device for papermaking wastewater and method thereof can be used for the wastewater treatment of multiple paper product, when adopting this integrative dynamic treatment device for papermaking wastewater to carry out the paper waste processing, its suspended substance removal rate SS can reach 85～95%, COD, BOD can reduce by 60～90%, clearance 〉=50% such as total phosphorus, total nitrogen and ammonia nitrogen in the water of processing back.When device of the present invention was used for the wastewater treatment of wrapping paper, the waste water after it is handled can directly be recycled; When device of the present invention is used for the wastewater treatment of other paper product, waste water 60～80% after it is handled can directly recycle, 20～40% can further be recycled after the activation through ecological degree of depth reparation, therefore can reach the dynamic internal recycle of papermaking enterprise water system, reduce the quantity discharged of paper waste, even realize paper making wastewater zero discharge.
3, this integrative dynamic treatment device for papermaking wastewater and method thereof are except being applied to the wastewater treatment of field of papermaking, as long as the kind of its scavenging agent of change etc. also can be applicable to industrial sewage or municipal sewage treatment, its use range is wider.
Description of drawings
Fig. 1 is the structural representation of this integrative dynamic treatment device for papermaking wastewater.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
The integrative dynamic treatment device for papermaking wastewater of present embodiment, its structure comprises socket successively and constitutes scavenging tower 1, flow velocity umformer 2 and the fluidised form umformer 3 of three-decker that wherein scavenging tower 1 is outer as shown in Figure 1, flow velocity umformer 2 is the middle level, and fluidised form umformer 3 is an internal layer; The top of three-decker is provided with operator's console 4, the tower wall outside of scavenging tower 1 upper end is provided with water leg 5, scavenging tower 1 is provided with water outlet 6 with the tower wall that water leg 5 joins, and water leg 5 outsides are connected with water exit 7, the exit end of water exit 7 external workshop equipment for reclaiming or in-depth treatment facility; The bottom of fluidised form umformer 3 is connected with inlet channel 8, and inlet channel 8 is provided with chemicals dosing plant 9, and inlet channel 8 is provided with damping nozzle 10, the external paper waste water collecting basin of the entrance end of inlet channel 8 with the junction of fluidised form umformer 3 bottoms.Service platform 4 is fixing with the top rigidity welding of scavenging tower 1, flow velocity umformer 2 and water leg 5.
Scavenging tower 1 top is cylindrical-shaped structure, the bottom is the bottom surface diameter inverted cone structure identical with the top body diameter, the vertex of a cone of bottom inverted cone is provided with reducing bend mud vent pipe 11, scavenging tower 1 below is supported by 6～12 pillars 12, is connected by annular three angle beams between the point of suppon 13 of each pillar 12; The body diameter of scavenging tower 1 is 3000～12000mm, and the total height of scavenging tower 1 is 5000～12000mm.The body diameter of scavenging tower 1 and total height thereof are calculated selection by the actual emission of waste water.
The central axis of reducing bend mud vent pipe 11 and the angle of horizontal plane are 0～90 °.According to the space of scavenging tower 1 below or scavenging tower 1 the needs that cooperate with its external mud retrieving arrangement, can select the angle of reducing bend mud vent pipe 11 central axis and horizontal plane, also can be according to actual needs the internal diameter of reducing bend mud vent pipe 11 be designed.
In the said apparatus structure, be provided with the bionic aquatic weed 14 that is used for further activated water in the cylinder on scavenging tower 1 top.
Bionic aquatic weed 14 in the scavenging tower 1 top cylinder is 1～3 layer, and bionic aquatic weed 14 is located in the altitude range apart from scavenging tower 1 cat head 1000～3000mm.
Be provided with the Polyscrylamide water purification agent in the fluidised form umformer 3.
Also be provided with bionic aquatic weed 14 in the water leg 5.
Set bionic aquatic weed 14 all adopts macromolecular material to make in scavenging tower 1 or the water leg 5, its shape is similar to pasture and water, its effect is to grow the place of living as the engineered microbes wadding, under the synergy of bionic aquatic weed and engineered microbes, can further degrade to paper waste, thereby reduce its COD, BOD or reduce compositions such as total phosphorus, total helium, ammonia nitrogen, and activated water.
The material of scavenging tower 1 outer wall is carbon steel or concrete, and the material of scavenging tower 1 inwall is a carbon steel, and scavenging tower 1 inwall top layer scribbles antiseptic and rustproof paint vehicle; When scavenging tower 1 outer wall materials is carbon steel, the antirust paint vehicle of scavenging tower 1 outer wall top layer oiling.
When this integrative dynamic treatment device for papermaking wastewater was used for the paper waste recovery system, the integrated paper waste method for dynamically processing of realizing by this device may further comprise the steps:
(1) paper waste of production scene is stored in the water collecting basin, and by inlet channel 8, pump is delivered to the paper waste in the water collecting basin in the fluidised form umformer 3;
When (2) paper waste was by inlet channel 8, the chemicals dosing plant of being located on the inlet channel 89 added engineered microbes and water purification agent and makes its thorough mixing in paper waste, and produce micro-floccule in the paper waste this moment;
When (3) paper waste is sent to fluidised form umformer 3 bottoms, spray in the fluidised form umformer 3 by damping nozzle 10, paper waste enters fluidised form umformer 3 backs and water purification agent thorough mixing wherein, produces the poly-particle of the bigger wadding of volume this moment in the paper waste;
(4) paper waste constantly enters fluidised form umformer 3, mix the back overflows from fluidised form umformer 3 tops and flow to the scavenging tower 1 under the inwall of flow velocity umformer 2 slows down with the Polyscrylamide water purification agent, because paper waste flow velocity in flow velocity umformer 3 is slack-off, so after entering scavenging tower 1, the poly-particle of wadding in the paper waste precipitates gradually and forms consolidates shape flocs unit 15, the fiber fines of paper waste can form reticulated structure automatically in the middle and lower part of scavenging tower 1, this reticulated structure energy filtration;
(5) its solid shape flocs unit 15 of paper waste post precipitation is discharged from the reducing bend mud vent pipe 11 of scavenging tower 1 bottom, when sedimentary upper strata waste water process bionic aquatic weed 14, the engineered microbes wadding is grown and is lived, under the synergy of bionic aquatic weed 14 and engineered microbes, organism in the waste water of upper strata is further degraded, and activated water, at last enter water leg 5, can directly deliver to workshop equipment for reclaiming or in-depth treatment facility by the water exit 7 in water leg 5 outsides by the water outlet 16 on the scavenging tower 1 tower wall.
In the said process, because paper waste is to handle in the continuous feeder, and treated waste water can discharge use continuously, so can reach running balance.
As mentioned above, just can realize the present invention preferably, the foregoing description is preferred embodiment of the present invention only, is not to be used for limiting practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modification, all contained by claim of the present invention scope required for protection.
Claims (10)
1. integrative dynamic treatment device for papermaking wastewater is characterized in that, comprises socket successively and constitutes scavenging tower, flow velocity umformer and the fluidised form umformer of three-decker, and wherein scavenging tower is outer, and the flow velocity umformer is the middle level, and the fluidised form umformer is an internal layer; The top of three-decker is provided with operator's console, the tower wall outside of scavenging tower upper end is provided with water leg, the tower wall that scavenging tower and water leg join is provided with water outlet, and the water leg outside is connected with water exit, the exit end of water exit external workshop equipment for reclaiming or in-depth treatment facility; The bottom of fluidised form umformer is connected with inlet channel, and inlet channel is provided with chemicals dosing plant, and the junction of inlet channel and fluidised form umformer bottom is provided with the damping nozzle, the external paper waste water collecting basin of the entrance end of inlet channel.
2. integrative dynamic treatment device for papermaking wastewater according to claim 1, it is characterized in that, described scavenging tower top is cylindrical-shaped structure, the bottom is the bottom surface diameter inverted cone structure identical with the top body diameter, the vertex of a cone of bottom inverted cone is provided with reducing bend mud vent pipe, the scavenging tower below is connected by annular three angle beams between the point of suppon of each pillar by 6～12 shore supports; The body diameter of scavenging tower is 3000～12000mm, and the total height of scavenging tower is 5000～12000mm.
3. integrative dynamic treatment device for papermaking wastewater according to claim 2 is characterized in that, the central axis of described reducing bend mud vent pipe and the angle of horizontal plane are 0～90 °.
4. integrative dynamic treatment device for papermaking wastewater according to claim 1 is characterized in that, is provided with the bionic aquatic weed that is used for further activated water in the cylinder on described scavenging tower top.
5. integrative dynamic treatment device for papermaking wastewater according to claim 4 is characterized in that, the bionic aquatic weed in the cylinder of described scavenging tower top is 1～3 layer, and bionic aquatic weed is located in the altitude range apart from scavenging tower cat head 1000～3000mm.
6. integrative dynamic treatment device for papermaking wastewater according to claim 1 is characterized in that, is provided with the Polyscrylamide water purification agent in the described fluidised form umformer.
7. integrative dynamic treatment device for papermaking wastewater according to claim 1 is characterized in that described chemicals dosing plant is a Venturi, is provided with polyaluminium chloride water purification agent and engineered microbes in the chemicals dosing plant; Described engineered microbes is the efficient engineered microbes that integrates aerobic bacteria, double oxygen bacterium and anerobe.
8. integrative dynamic treatment device for papermaking wastewater according to claim 1 is characterized in that, is provided with bionic aquatic weed in the described water leg.
9. integrative dynamic treatment device for papermaking wastewater according to claim 1 is characterized in that, the material of described scavenging tower outer wall is carbon steel or concrete, and the material of scavenging tower inwall is a carbon steel, and scavenging tower inwall top layer scribbles antiseptic and rustproof paint vehicle; When the scavenging tower outer wall materials is carbon steel, the paint vehicle that the top layer oiling of scavenging tower outer wall is antirust.
10. the integrated paper waste method for dynamically processing of realizing by each described device of claim 1～9 is characterized in that, may further comprise the steps:
(1) paper waste of production scene is stored in the water collecting basin in advance, and by inlet channel, pump is delivered to the paper waste in the water collecting basin in the fluidised form umformer;
When (2) paper waste was by inlet channel, the chemicals dosing plant of being located on the inlet channel added engineered microbes and polyaluminium chloride water purification agent and makes its thorough mixing in paper waste, and produce micro-floccule in the paper waste this moment;
When (3) paper waste is sent to fluidised form umformer bottom, spray in the fluidised form umformer by the damping nozzle, paper waste enters behind the fluidised form umformer and Polyscrylamide water purification agent thorough mixing wherein, produces the poly-particle of the bigger wadding of volume this moment in the paper waste;
(4) paper waste constantly enters the fluidised form umformer, mix the back overflows from fluidised form umformer top and flow to the scavenging tower under the inwall of flow velocity umformer slows down with the Polyscrylamide water purification agent, the poly-particle of wadding in the paper waste precipitates gradually and forms solid shape flocs unit, and the fiber fines of paper waste can form reticulated structure automatically in the middle and lower part of scavenging tower;
(5) its solid shape flocs unit of paper waste post precipitation is discharged from the reducing bend mud vent pipe of scavenging tower bottom, when sedimentary upper strata waste water process bionic aquatic weed, the engineered microbes wadding is grown and is lived, under the synergy of bionic aquatic weed and engineered microbes, organism in the waste water of upper strata is further degraded, and activated water, enter water leg by the water outlet that purifies on the Tata wall at last, directly deliver to workshop equipment for reclaiming or in-depth treatment facility by the water exit in the water leg outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010019513A CN101759328A (en) | 2010-01-20 | 2010-01-20 | Integrative dynamic treatment device for papermaking wastewater and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010019513A CN101759328A (en) | 2010-01-20 | 2010-01-20 | Integrative dynamic treatment device for papermaking wastewater and method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101759328A true CN101759328A (en) | 2010-06-30 |
Family
ID=42490734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010019513A Pending CN101759328A (en) | 2010-01-20 | 2010-01-20 | Integrative dynamic treatment device for papermaking wastewater and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101759328A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862832A (en) * | 2018-06-25 | 2018-11-23 | 安徽建筑大学 | Method and reactor for integrally purifying micro-polluted source water by using micro-flocculation biological carbon biomembrane AO |
| CN110124547A (en) * | 2019-05-27 | 2019-08-16 | 广东中天环保科技有限公司 | A kind of liquid blending tank |
-
2010
- 2010-01-20 CN CN201010019513A patent/CN101759328A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862832A (en) * | 2018-06-25 | 2018-11-23 | 安徽建筑大学 | Method and reactor for integrally purifying micro-polluted source water by using micro-flocculation biological carbon biomembrane AO |
| CN110124547A (en) * | 2019-05-27 | 2019-08-16 | 广东中天环保科技有限公司 | A kind of liquid blending tank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102775025B (en) | Municipal life wastewater treatment system with high efficiency and low energy consumption | |
| CN202131185U (en) | Sewage treatment system for farm | |
| CN201648184U (en) | Domestic sewage treatment system for offshore platforms or boats | |
| CN101468859A (en) | Advanced purification treatment system for high concentrated organic wastewater | |
| CN102718365A (en) | Buried sewage treatment device | |
| CN206607128U (en) | A kind of river sewage processing unit based on water treatment agent and ceramic membrane | |
| CN100519449C (en) | Quick-decomposing biological sewage treatment method and treating system | |
| BG66054B1 (en) | Sewage treatment plant | |
| CN105668947A (en) | Sewage purification filter system | |
| CN100500593C (en) | Combined type wastewater treatment method and equipment | |
| CN207062110U (en) | Fill the processing system of municipal sludge press filtration tail water | |
| CN105645699A (en) | Sewage purification treatment device | |
| CN206562380U (en) | A kind of unpowered sewage complex biological processing integrated apparatus | |
| CN104591409B (en) | Method for treating pig farm wastewater by using micro-aerobic biological treatment device for low-C/N-ratio manure dry-collection pig farm wastewater | |
| CN101759328A (en) | Integrative dynamic treatment device for papermaking wastewater and method thereof | |
| CN205133343U (en) | Rubbish transfer station sewage treatment system | |
| CN201634544U (en) | Integrated papermaking wastewater dynamic processing device | |
| CN105645660B (en) | A kind of tobacco curing sewage disposal system | |
| CN108862615B (en) | Constructed wetland system for reprocessing wastewater treated by MBR (membrane bioreactor) | |
| CN201634525U (en) | Multi-purpose supporting integrated device of activated sludge system | |
| CN109775936A (en) | A kind of low energy consumption domestic sewage processing system | |
| CN202011812U (en) | Integrated equipment for treating high-concentration organic wastewater | |
| CN105502811B (en) | Garbage leachate treatment device and its application method based on Anammox | |
| CN205740637U (en) | Domestic sewage processing system | |
| CN201406344Y (en) | Biologic fixed bed reactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20100630 |