CN106006938A - Sewage treatment pipeline adopting immobilized microorganism balls - Google Patents
Sewage treatment pipeline adopting immobilized microorganism balls Download PDFInfo
- Publication number
- CN106006938A CN106006938A CN201610593294.2A CN201610593294A CN106006938A CN 106006938 A CN106006938 A CN 106006938A CN 201610593294 A CN201610593294 A CN 201610593294A CN 106006938 A CN106006938 A CN 106006938A
- Authority
- CN
- China
- Prior art keywords
- immobilized microorganism
- pipeline
- microorganism ball
- magnetic field
- sewage treatment
- 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.)
- Withdrawn
Links
- 244000005700 microbiome Species 0.000 title claims abstract description 86
- 239000010865 sewage Substances 0.000 title claims abstract description 41
- 239000010802 sludge Substances 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000012528 membrane Substances 0.000 claims abstract description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 31
- 238000004062 sedimentation Methods 0.000 claims description 25
- 238000004804 winding Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 8
- 239000002351 wastewater Substances 0.000 claims description 6
- 238000007605 air drying Methods 0.000 claims description 5
- 239000013043 chemical agent Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 239000003153 chemical reaction reagent Substances 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 238000010992 reflux Methods 0.000 abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 102000004190 Enzymes Human genes 0.000 description 3
- 108090000790 Enzymes Proteins 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000015816 nutrient absorption Nutrition 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000003911 water pollution Methods 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
- C02F3/00—Biological 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/48—Devices for applying magnetic or electric fields
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a sewage treatment pipeline adopting immobilized microorganism balls. The sewage treatment pipeline comprises a pipeline, the immobilized microorganism balls, a magnetic field generator and a sludge reflux pipe, wherein the magnetic field generator comprises a spiral coil, a transformer and a power supply; the spiral coil is wound on the periphery of the pipeline, and is electrically connected with the transformer, the transformer is electrically connected with the power supply, and the current intensity and direction of the spiral coil are controlled by the power supply via the transformer, so as to control the size and direction of the magnetic field; a filter membrane and a settling tank are arranged on the water outlet end of the pipeline, the settling tank and the pipeline are communicated by a sludge discharge pipe, the sludge reflux pipe is connected between the settling tank and the water inlet of the pipeline, and the immobilized microorganism balls in the settling tank are sucked into the water inlet of the pipeline by the sludge reflux pipe through the pump, so as to recycle the immobilized microorganism balls. The sewage treatment pipeline has the advantages that the immobilized microorganisms are carried into a water conveying pipeline; the structure is simple, and the sewage treatment burden of the sewage treatment plan is reduced.
Description
Technical field
The present invention relates to a kind of pipeline, a kind of sewage treatment pipeline using immobilized microorganism ball.
Background technology
Improvement now with people's life, mechanised production gets more and more, the pollution of following environment is the most increasingly severe, along with fast development, the urban population quantity sharp increase of China's economic, sewage load and quantity of wastewater effluent numerous imbalances, these sewage flows into river, cause river blackening smelly, having a strong impact on the life of people, even endanger the existence of the mankind, health and urban ecological security to town dweller constitute serious threat.According to investigations, China 700 a plurality of important rivers, there is nearly 50% section, 90%
Above waters along the river has been polluted, and some urban rivers become the most completely receives dirty river, and the improvement of sewage is very urgent.
Biological treatment is generally used generally for sewage disposal, typically pass through Sewage Treatment for Activated Sludge, increasing sewage-treatment plant and method occur in water pollution process, traditional activated sludge process is applied widely in sewage disposal, it is primarily due in activated sludge containing substantial amounts of active microorganism, the Organic substance in sewage can be fast and effeciently removed in these microorganisms, and has good Nitrogen/Phosphorus Removal, but traditional activated sludge process mud is blended in sewage and is in a kind of fluidised form.Traditional settling ability of activated sludge is poor, and then affects sewage treating efficiency
At present, obtain immobilized microorganism technology paying close attention to widely both at home and abroad, such as Patent No.: 200910056687.X patent specification describes a kind of immobilized microorganism preparation method, immobilized microorganism is mainly characterized by Microorganism incubation and becomes a kind of solid-state, it is placed in sewage and there is fixing shape, and microorganism not loss of activity, there is good wastewater treatment efficiency.But present sewage disposal major part is by large-scale plants such as reaction tanks, cost is high, and complex operation is not suitable in the few factory of waste water and family.
The present invention provides a kind of sewage treatment pipeline using immobilized microorganism ball, immobilized microorganism is applied in the pipeline that water transport is defeated, the impurity such as the Organic substance in sewage are degraded in transit, it is not necessary to sewage is transported sewage treatment plant, add the function of pipeline, the transportation function single with preceding pipeline is become collection transport and sewage purification integrated function, improve pipeline utilization rate, reduce the sewage disposal burden of sewage treatment plant, low cost, simple in construction, it is not necessary to take larger space.
Summary of the invention
It is an object of the invention to provide a kind of sewage treatment pipeline using immobilized microorganism ball, immobilized microorganism is applied in pipeline.
nullFor achieving the above object，The present invention provides following technical scheme: a kind of sewage treatment pipeline using immobilized microorganism ball，Including pipeline、Immobilized microorganism ball、Magnetic field generator and mud return line，Described immobilized microorganism ball is made up with metallic nickel of activated sludge，Activated sludge is sufficiently mixed by chemical agent according to the ratio of 10:1 with metallic nickel，Again activated sludge is made spherical with the mixture of metallic nickel by mould，Then air-dry，Spherical mixture after air-drying again is placed among magnetic field，Filter out the internal spherical mixture containing metallic nickel and i.e. obtain described immobilized microorganism ball，Described magnetic field generator includes spiral winding、Transformator and power supply，Described spiral winding is wrapped in the periphery of pipeline，Spiral winding and transformator Electricity Federation，Transformator and power supply Electricity Federation，Immobilized microorganism ball is put in pipeline，Control immobilized microorganism ball and waste water ratio between 5 g:1L～6 g:1L，Described power supply controls current intensity and the direction of spiral winding by transformator，Thus control the size and Orientation in magnetic field，Define a variable magnetic field in the duct，The action of a magnetic field is in pipeline，Immobilized microorganism ball is made to suspend and be sufficiently mixed with sewage in pipeline，It is provided with filter membrane and sedimentation tank at pipe water outlet end，Described sedimentation tank is connected by discharge pipeline with pipeline，It is connected between described sedimentation tank with pipe water mouth and has mud return line，Described sedimentation tank is used for collecting immobilized microorganism ball and suspended sludge，Then the immobilized microorganism ball of recovery is decomposed and obtain metallic nickel，Again suspended sludge and the metallic nickel of recovery are made immobilized microorganism ball the most again by chemical reagent，Then periodically the immobilized microorganism ball made is put in sedimentation tank，Immobilized microorganism ball in sedimentation tank is drawn onto pipe water mouth by pump by described mud return line，Realize the recycling of immobilized microorganism ball.
Preferably, a diameter of 5-10mm of described immobilized microorganism ball.
Compared with prior art, the invention has the beneficial effects as follows: sewage disposal uses immobilized microorganism ball, described immobilized microorganism ball is made up with metallic nickel of activated sludge, activated sludge is sufficiently mixed by chemical agent according to the ratio of 10:1 with metallic nickel, again activated sludge is made spherical with the mixture of metallic nickel by mould, then air-dry, spherical mixture after air-drying again is placed among magnetic field, filter out the internal spherical mixture containing metallic nickel and i.e. obtain described immobilized microorganism ball, metallic nickel has bigger proportion, therefore immobilized microorganism ball has preferable settling property；Being put in pipeline by immobilized microorganism ball, by externally-applied magnetic field, form magnetic force in the duct, metallic nickel is magnetized, and magnetic force accelerates the motion of immobilized microorganism ball, thus improves mass transfer rate；Spiral winding and metallic nickel all produce magnetic bio effect to microorganism in pipeline, and owing in microorganism, transition metal ions is present in the active center of enzyme, magnetic field effect makes enzyme active center be exposed, and make the conformation change of enzyme, and enzymatic activity strengthens；Additionally, in magnetic field, water penetration pressure and cell leakage strengthen, the beneficially Nutrient Absorption of microorganism；Magnetic field energy improves the dissolubility of oxygen, and this is conducive to the degraded of small organic molecule, and including carbon and the nutritional labeling of nitrogen, the growth for microorganism provides nutrient substance.Pipeline water outlet can directly recycle, it is achieved the regeneration of sewage；In addition using duct type, the sewage time of staying in the duct is long, good purification, and pipeline can also transport sewage simultaneously, and whole plant area area is little, saves space.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure: 1, pipeline, 2, immobilized microorganism ball, 3, spiral winding, 4, magnetic field generator, 5, transformator, 6, power supply, 7, filter membrane, 8, discharge pipeline, 9, sedimentation tank, 10, pump, 11, mud return line.
Detailed description of the invention
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 clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
nullEmbodiment 1，Refer to figure，The present invention provides a kind of technical scheme: a kind of sewage treatment pipeline using immobilized microorganism ball，Including pipeline 1、Immobilized microorganism ball 2、Magnetic field generator 4 and mud return line 11，Immobilized microorganism ball 2 is made up with metallic nickel of activated sludge，Activated sludge is sufficiently mixed by chemical agent according to the ratio of 10:1 with metallic nickel，Again activated sludge is made spherical with the mixture of metallic nickel by mould，Then air-dry，Spherical mixture after air-drying again is placed among magnetic field，Filter out the internal spherical mixture containing metallic nickel and i.e. obtain immobilized microorganism ball 2，A diameter of 5-10mm of immobilized microorganism ball 2，Magnetic field generator 4 includes spiral winding 3、Transformator 5 and power supply 6，Spiral winding 3 is wrapped in the periphery of pipeline 1，Spiral winding 3 and transformator 5 Electricity Federation，Transformator 5 and power supply 6 Electricity Federation，Immobilized microorganism ball 2 is put in pipeline，Control immobilized microorganism ball 2 with waste water ratio at 5 g:1L，Power supply 6 controls current intensity and the direction of spiral winding 3 by transformator 5，Thus control the size and Orientation in magnetic field，A variable magnetic field is defined in pipeline 1，This action of a magnetic field is in pipeline 1，Make immobilized microorganism ball 2 suspend and be sufficiently mixed with sewage in pipeline 1，It is provided with filter membrane 7 and sedimentation tank 9 at pipeline 1 water outlet end，Sedimentation tank 9 is connected by discharge pipeline 8 with pipeline 1，It is connected between sedimentation tank 9 with pipeline 1 water inlet and has mud return line 11，Sedimentation tank 9 is used for collecting immobilized microorganism ball 2 and suspended sludge，Then the immobilized microorganism ball 2 of recovery is decomposed and obtain metallic nickel，Again suspended sludge and the metallic nickel of recovery are made immobilized microorganism ball 2 the most again by chemical reagent，Then periodically the immobilized microorganism ball 2 made is put in sedimentation tank 9，Immobilized microorganism ball 2 in sedimentation tank 9 is drawn onto pipeline 1 water inlet by pump 10 by mud return line 11，Realize the recycling of immobilized microorganism ball 2.
nullEmbodiment 2，A kind of sewage treatment pipeline using immobilized microorganism ball，A kind of sewage treatment pipeline using immobilized microorganism ball，Including pipeline 1、Immobilized microorganism ball 2、Magnetic field generator 4 and mud return line 11，Immobilized microorganism ball 2 is made up with metallic nickel of activated sludge，Activated sludge is sufficiently mixed by chemical agent according to the ratio of 10:1 with metallic nickel，Again activated sludge is made spherical with the mixture of metallic nickel by mould，Then air-dry，Spherical mixture after air-drying again is placed among magnetic field，Filter out the internal spherical mixture containing metallic nickel and i.e. obtain immobilized microorganism ball 2，2 magnetic field generators 4 include spiral winding 3、Transformator 5 and power supply 6，Spiral winding 3 is wrapped in the periphery of pipeline 1，Spiral winding 3 and transformator 5 Electricity Federation，Transformator 5 and power supply 6 Electricity Federation，Immobilized microorganism ball 2 is put in pipeline，Control immobilized microorganism ball 2 with waste water ratio at 6g:1L，Power supply 6 controls current intensity and the direction of spiral winding 3 by transformator 5，Thus control the size and Orientation in magnetic field，A variable magnetic field is defined in pipeline 1，This action of a magnetic field is in pipeline 1，Control magnetic direction contrary with current flow direction，It is provided with filter membrane 7 and sedimentation tank 9 at pipeline 1 water outlet end，Sedimentation tank 9 is connected by discharge pipeline 8 with pipeline 1，It is connected between sedimentation tank 9 with pipeline 1 water inlet and has mud return line 11，Sedimentation tank 9 is used for collecting immobilized microorganism ball 2 and suspended sludge，Then the immobilized microorganism ball 2 of recovery is decomposed and obtain metallic nickel，Again suspended sludge and the metallic nickel of recovery are made immobilized microorganism ball 2 the most again by chemical reagent，Then periodically the immobilized microorganism ball 2 made is put in sedimentation tank 9，Immobilized microorganism ball 2 in sedimentation tank 9 is drawn onto pipeline 1 water inlet by pump 10 by mud return line 11，Realize the recycling of immobilized microorganism ball 2.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; conceive in addition equivalent or change according to technical scheme and improvement thereof, all should contain within the scope of the present invention.
Claims (2)
- null1. the sewage treatment pipeline using immobilized microorganism ball，It is characterized in that: include pipeline、Immobilized microorganism ball、Magnetic field generator and mud return line，Described immobilized microorganism ball is made up with metallic nickel of activated sludge，Activated sludge is sufficiently mixed by chemical agent according to the ratio of 10:1 with metallic nickel，Again activated sludge is made spherical with the mixture of metallic nickel by mould，Then air-dry，Spherical mixture after air-drying again is placed among magnetic field，Filter out the internal spherical mixture containing metallic nickel and i.e. obtain described immobilized microorganism ball，Described magnetic field generator includes spiral winding、Transformator and power supply，Described spiral winding is wrapped in the periphery of pipeline，Spiral winding and transformator Electricity Federation，Transformator and power supply Electricity Federation，Immobilized microorganism ball is put in pipeline，Control immobilized microorganism ball and waste water ratio between 5 g:1L～6 g:1L，Described power supply controls current intensity and the direction of spiral winding by transformator，Thus control the size and Orientation in magnetic field，Define a variable magnetic field in the duct，The action of a magnetic field is in pipeline，Immobilized microorganism ball is made to suspend and be sufficiently mixed with sewage in pipeline，It is provided with filter membrane and sedimentation tank at pipe water outlet end，Described sedimentation tank is connected by discharge pipeline with pipeline，It is connected between described sedimentation tank with pipe water mouth and has mud return line，Described sedimentation tank is used for collecting immobilized microorganism ball and suspended sludge，Then the immobilized microorganism ball of recovery is decomposed and obtain metallic nickel，Again suspended sludge and the metallic nickel of recovery are made immobilized microorganism ball the most again by chemical reagent，Then periodically the immobilized microorganism ball made is put in sedimentation tank，Immobilized microorganism ball in sedimentation tank is drawn onto pipe water mouth by pump by described mud return line，Realize the recycling of immobilized microorganism ball.
- A kind of sewage treatment pipeline using immobilized microorganism ball the most according to claim 1, is characterized in that: a diameter of 5-10mm of described immobilized microorganism ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610593294.2A CN106006938A (en) | 2016-07-26 | 2016-07-26 | Sewage treatment pipeline adopting immobilized microorganism balls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610593294.2A CN106006938A (en) | 2016-07-26 | 2016-07-26 | Sewage treatment pipeline adopting immobilized microorganism balls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106006938A true CN106006938A (en) | 2016-10-12 |
Family
ID=57114831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610593294.2A Withdrawn CN106006938A (en) | 2016-07-26 | 2016-07-26 | Sewage treatment pipeline adopting immobilized microorganism balls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106006938A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001239288A (en) * | 2000-02-29 | 2001-09-04 | Hitachi Chem Co Ltd | Combined sewage treatment tank |
| CN102225806A (en) * | 2011-05-24 | 2011-10-26 | 合肥工业大学 | A kind of magnetic biological carrier and its preparation method |
| CN102923866A (en) * | 2012-11-22 | 2013-02-13 | 南京大学 | Device for implementing strengthened treatment for sewage through changing magnetic field and sewage treatment method |
-
2016
- 2016-07-26 CN CN201610593294.2A patent/CN106006938A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001239288A (en) * | 2000-02-29 | 2001-09-04 | Hitachi Chem Co Ltd | Combined sewage treatment tank |
| CN102225806A (en) * | 2011-05-24 | 2011-10-26 | 合肥工业大学 | A kind of magnetic biological carrier and its preparation method |
| CN102923866A (en) * | 2012-11-22 | 2013-02-13 | 南京大学 | Device for implementing strengthened treatment for sewage through changing magnetic field and sewage treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103395937B (en) | Processing device and processing method applicable to high-ammonia-nitrogen agricultural wastewater | |
| CN110316905A (en) | Processing system for landfill leachate zero-emission in garbage incineration power plant | |
| CN107352738B (en) | A composite artificial ecological bed sewage treatment system and method for strengthening nitrogen and phosphorus removal | |
| CN102701448A (en) | Rural domestic sewage reutilization treatment device | |
| CN206553350U (en) | A kind of two-stage manual controlled infusion of intensified denitrification and dephosphorization | |
| CN114634281A (en) | Device and method for repairing polluted underground water by combining excess sludge fermentation with permeable reactive barrier | |
| CN105032168A (en) | Device and method for removing nitrogen oxides | |
| CN107954515A (en) | The combination unit and its operation method of a kind of sewage purification, Treatment of Sludge and energy recovery | |
| CN109231673B (en) | A/O combined micro-electric field-Fe/C reinforced dephosphorization device and application thereof | |
| CN104787884A (en) | Method and system for nitrogen and phosphorus removal via water treatment plant waste sludge (WTRs) reinforced tidal-flow reactor | |
| CN203486966U (en) | Autotrophic nitrogen removal integrated device for polymorphous microbial aggregates | |
| CN106006939A (en) | Spiral sewage treatment pipeline adopting immobilized microorganism balls | |
| CN103232143A (en) | Ecological combined device for treating ammonia-nitrogen sewage | |
| CN110156270A (en) | Source-separated urine recovery of nitrogen and phosphorus and water reclaiming system and its operation method | |
| CN104386809A (en) | Optimized method for treating pig-breeding wastewater by using aerobic granular sludge | |
| CN205347142U (en) | Aquaculture wastewater treatment system | |
| CN105923940A (en) | Helical sewage treatment pipeline | |
| CN205061791U (en) | Landfill leachate processing apparatus of low energy consumption | |
| CN209583918U (en) | Gas generator phenolic wastewater treatment system | |
| CN102019169B (en) | Regeneration method of activated carbon in organosilicon wastewater treatment | |
| CN206244614U (en) | A kind of food wastewater processing system | |
| CN105967466A (en) | Solar rural sewage treatment system | |
| CN105967335A (en) | Solar sewage treatment system | |
| CN204550197U (en) | A kind for the treatment of unit being applicable to high density, difficult degradation organic nitrogen-containing waste water total nitrogen | |
| CN204981491U (en) | Rural sewage treatment plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161012 |
|
| WW01 | Invention patent application withdrawn after publication |