CN205241349U - AO microdilatancy fluidized bed integration equipment - Google Patents
AO microdilatancy fluidized bed integration equipment Download PDFInfo
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- CN205241349U CN205241349U CN201521044019.2U CN201521044019U CN205241349U CN 205241349 U CN205241349 U CN 205241349U CN 201521044019 U CN201521044019 U CN 201521044019U CN 205241349 U CN205241349 U CN 205241349U
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- 230000010354 integration Effects 0.000 title abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000007788 liquid Substances 0.000 claims abstract description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000001301 oxygen Substances 0.000 claims abstract description 20
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 20
- 239000010865 sewage Substances 0.000 claims abstract description 16
- 230000001546 nitrifying effect Effects 0.000 claims abstract description 13
- 238000010992 reflux Methods 0.000 claims description 11
- 238000005273 aeration Methods 0.000 claims description 10
- 239000000969 carrier Substances 0.000 claims description 10
- 230000001174 ascending effect Effects 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003570 air Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006396 nitration reaction Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 239000002028 Biomass Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000005842 biochemical reaction Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- -1 ceramsite Chemical compound 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a AO microdilatancy fluidized bed integration equipment, it includes: the inner tube constitutes anaerobism fluidized bed district, and the inner tube top sets up anaerobism three -phase separator, and the bottom is provided with the perforated plate water -locator, and anaerobism three -phase separator's top is provided with the anaerobism and goes out the mill weir, the urceolus, the good oxygen fluidized bed of domain formation between its and the inner tube is distinguished, is provided with the draft tube between urceolus and inner tube, and the urceolus top has set up oxygen three -phase separator, and good oxygen three -phase separator top has been provided with oxygen and has gone out the mill weir, some sends into the perforated plate water -locator through the anaerobism back flow output water of anaerobism play mill weir, and some sends into annular water distribution device through the anaerobism outlet pipe, and some outwards exports the output water of good oxygen play mill weir, and some sends into the perforated plate water -locator through nitrifying the liquid back flow, still is connected with outside sewage conveyer pipe on the perforated plate water -locator. Equipment is anaerobism - good oxygen fluidized bed integral type reactor, compares with the separated type reactor, arranges the compactness, has reduced area.
Description
Technical Field
The utility model belongs to the sewage treatment field especially relates to a little inflation fluidized bed integration equipment of AO.
Background
The biological fluidized bed technology is a sewage treatment technology which organically combines the traditional activated sludge method and the biological membrane method and introduces the chemical fluidization technology. The reactor is divided into an aerobic fluidized bed and an anaerobic fluidized bed according to whether the reactor is in an aerobic or anaerobic state. The aerobic biological fluidized bed takes micro-particle fillers such as quartz sand, ceramsite, zeolite, porous balls and the like as biological carriers, air and sewage are introduced into the bed at a certain flow rate, so that the carriers are in a fluidized state, and organic matters in the wastewater are adsorbed, oxidized and decomposed by a biological film continuously growing on the surfaces of the carriers, thereby achieving the removal of pollutants in the wastewater. The anaerobic fluidized bed makes the carrier in a fluidized state by the backflow of sewage. The biological fluidized bed has the advantages of large biomass, high volume load, high microbial activity, good mass transfer effect, strong impact load resistance, small occupied area and the like. However, the existing fluidized bed reactor has the defects of easy carrier loss, non-ideal solid-liquid separation effect, large energy consumption, complex operation, difficult further improvement of the treatment efficiency of a single anaerobic or aerobic fluidized bed reactor, large floor area of a split anaerobic-aerobic fluidized bed reactor and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned defect provide a little expanded fluidized bed integration equipment of AO, so-called AO is the combination technology of oxygen deficiency biochemical reaction and good oxygen biochemical reaction promptly, and this equipment has adopted anaerobism fluidized bed-good oxygen fluidized bed integral type design for sewage treatment efficiency obtains further improving, and area is showing and is reducing.
The utility model aims at adopting the following technical scheme to realize:
an A/O micro-expansion fluidized bed integrated apparatus, comprising:
the anaerobic fluidized bed comprises an inner cylinder, an anaerobic fluidized bed zone, an anaerobic three-phase separator, a porous plate water distributor and an anaerobic effluent weir, wherein biological carriers are filled in the inner cylinder to form the anaerobic fluidized bed zone;
the aerobic fluidized bed is divided into an ascending area and a descending area by the guide cylinder, wherein the ascending area is formed by the area between the inner cylinder and the guide cylinder, the descending area is formed by the area between the guide cylinder and the outer cylinder, the bottom of the outer cylinder is in a taper shape, an annular water distribution device and an aeration device are arranged right below the ascending area, an aerobic three-phase separator is arranged at the top of the outer cylinder, and an aerobic effluent weir is arranged above the aerobic three-phase separator; wherein,
And part of the output water of the anaerobic effluent weir is sent into the porous plate water distributor through an anaerobic return pipe, and the other part of the output water is sent into the annular water distribution device through an anaerobic outlet pipe, and part of the output water of the aerobic effluent weir is output outwards and part of the output water is sent into the porous plate water distributor through a nitrified liquid return pipe, and the porous plate water distributor is also connected with an external sewage conveying pipe.
Since the technical scheme is used, the utility model has the advantages of it is following:
the A/O micro-expansion fluidized bed integrated equipment of the utility model is an anaerobic-aerobic fluidized bed integrated reactor, compared with a split type reactor, the arrangement is compact, and the occupied area is reduced; the anaerobic and aerobic fluidized bed has high volume load, reduces the volume of the reactor and lowers the investment. Meanwhile, the nitrified liquid in the aerobic fluidized bed zone flows back to the anaerobic fluidized bed zone, the aerobic fluidized bed zone performs nitration reaction, and the anaerobic fluidized bed zone performs denitrification reaction, so that the denitrification efficiency of the equipment is improved. In general, compared with a common A/O reactor, the anaerobic-aerobic fluidized bed of the utility model has the advantages that the organic matter degradation efficiency is obviously improved.
Drawings
FIG. 1 is a schematic structural diagram of an A/O micro-expansion fluidized bed integrated device of the present invention.
Detailed Description
In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:
as shown in fig. 1, the utility model provides an a/O micro-expansion fluidized bed integrated equipment, it includes:
an inner cylinder 100 filled with biological carriers and forming an anaerobic fluidized bed region A, wherein the top of the inner cylinder 100 is provided with an anaerobic three-phase separator 110, the bottom of the inner cylinder is provided with a porous plate water distributor 120, and an anaerobic effluent weir 130 is arranged above the anaerobic three-phase separator 110;
an outer cylinder 200, a biological carrier is filled in the area between the outer cylinder 200 and the inner cylinder 100 to form an aerobic fluidized bed area B, a guide cylinder 210 is arranged between the outer cylinder 200 and the inner cylinder 100, the guide cylinder 210 divides the aerobic fluidized bed area B into an ascending flow area B1 and a descending flow area B2, wherein the ascending flow area B1 is formed by the area between the inner cylinder 100 and the guide cylinder 210, the descending flow area B2 is formed by the area between the guide cylinder 210 and the outer cylinder 200, the bottom of the outer cylinder 200 is pointed cone-shaped, an annular water distribution device 220 and an aeration device 230 are arranged right below the ascending flow area B1, an aerobic three-phase separator 240 is arranged at the top of the outer cylinder 200, and an aerobic water outlet weir 250 is arranged above the aerobic three-phase separator 240; wherein, a part of the output water of the anaerobic effluent weir 110 is sent into the porous plate water distributor 120 through the anaerobic return pipe 140, a part of the output water is sent into the annular water distribution device 220 through the anaerobic outlet pipe 150, a part of the output water of the aerobic effluent weir 250 is output outwards (enters a subsequent precipitation unit and is discharged after precipitation and disinfection), a part of the output water is sent into the porous plate water distributor 120 through the nitrified liquid return pipe 260, and the porous plate water distributor 120 is further connected with an external sewage delivery pipe 300.
According to the scheme, the integrated A/O micro-expansion fluidized bed device is an anaerobic-aerobic fluidized bed integrated reactor, and compared with a split type reactor, the integrated A/O micro-expansion fluidized bed device is compact in arrangement and can reduce the occupied area; and the fluidized bed has high volume load, reduces the volume of the reactor and lowers the investment. Meanwhile, the nitrified liquid in the aerobic fluidized bed zone flows back to the anaerobic fluidized bed zone, the aerobic fluidized bed zone performs nitration reaction, and the anaerobic fluidized bed zone performs denitrification reaction, so that the denitrification efficiency of the equipment is improved. To the characteristics that upwash district B1 cross section is ring shape, annular water distribution device 220 plays the effect of uniform water distribution.
Part of the output water of the aerobic effluent weir 250 is refluxed to form nitrified liquid, and is sent to the porous plate water distributor 120 through the nitrified liquid reflux pipe 260 and then sent to the anaerobic fluidized bed region A through the porous plate water distributor 120, mainly to supplement nitrate nitrogen for denitrifying bacteria in the anaerobic fluidized bed region A, thereby improving the denitrification function of the equipment. Because the denitrifying bacteria are propagated and digested under anaerobic and anoxic conditions, and the nitrifying bacteria are propagated and digested under aerobic conditions, that is, ammonia nitrogen in raw water is mainly converted into nitrate nitrogen through the aerobic fluidized bed zone B, the ammonia nitrogen cannot be removed only through digestion, and the nitrogen in the water can be removed only through denitrification under the anoxic and anaerobic conditions, sewage in the aerobic fluidized bed zone B flows back, and the reflux liquid mainly supplements the nitrate nitrogen for the denitrifying bacteria, namely the nitrifying liquid is formed.
Wherein, a gas collecting hood (not shown) for discharging the marsh gas generated by the anaerobic fluidized bed area is also arranged above the anaerobic three-phase separator 110. The annular water distribution device 220 is an annular water pipe distributed at the bottom of the outer barrel, and a plurality of water nozzles are arranged on the annular water pipe. The aeration device 230 comprises an aeration sand head 231 and an air pipe 232 for delivering air to the aeration sand head 231, and an air compressor 233 is arranged on the air pipe 232.
Referring to fig. 1, the cylinder diameter of the upper section 201 of the outer cylinder 200 is greater than that of the middle section 202 thereof, and the upper section 201 and the middle section 202 are also in transitional connection through a conical section 203; wherein an annular partition plate 204 is arranged at the top of the outer cylinder 200, the lower end of the annular partition plate 204 is opposite to the middle section 202 of the outer cylinder but not connected (so that sewage can infiltrate), and the aerobic three-phase separator 240 is arranged in a space formed by the annular partition plate 204 and the outer cylinder 200.
The aerobic three-phase separator 240 comprises an inclined pipe separating device 241, the inclined pipe of the inclined pipe separating device 241 is inclined outwards, and the outer cylinder 200 is provided with a sludge discharge pipe 205 on the conical section 203 thereof. Here, the three-phase separator 240 with the inclined tube separator is arranged in the aerobic fluidized bed zone B, so that a good solid-liquid separation effect can be realized, the loss of carrier particles can be reduced, the microbial biomass of the bed body is ensured, and the operation cost brought by the supplement of carriers is reduced.
Wherein, as shown in fig. 1, be provided with charge pump 310 on the outside sewage conveyer pipe 300, be provided with nitrifying liquid backwash pump 261 on the nitrifying liquid back flow pipe 260, be provided with anaerobic reflux pump 141 on the anaerobic reflux pipe 140, be provided with good oxygen charge pump 151 on the anaerobic water outlet pipe 150, charge pump 310, nitrifying liquid backwash pump 261, anaerobic reflux pump 141, good oxygen charge pump 151 all are connected to external control terminal. More preferably, the upflow zone B1 of the inner cylinder 100 and the outer cylinder are both provided with a dissolved oxygen online monitoring head 400, and the external control terminal controls the operations of the feed pump 310, the nitrified liquid reflux pump 261, the anaerobic reflux pump 141, the aerobic feed pump 151 and the air compressor 233 based on monitoring data of the dissolved oxygen online monitoring head 400. Therefore, the utility model discloses an internet automatic control uses dissolved oxygen as the control variable promptly, comes controlgear's running state through control dissolved oxygen. The dissolved oxygen measured value is obtained through dissolved oxygen on-line monitoring devices arranged in the upflow regions of the anaerobic fluidized bed and the aerobic fluidized bed, and the frequency and the anaerobic reflux ratio of the air compressor are controlled by the Internet automatic control terminal according to the control rule through comparing the measured value with the set value.
The working principle of the integrated device of the A/O micro-expansion fluidized bed is as follows:
after the wastewater is pretreated, the wastewater enters the porous plate water distributor 120 at the bottom of the anaerobic fluidized bed region A together with nitrifying liquid (nitrifying liquid return pipe 260) and anaerobic return water (anaerobic return pipe 140) discharged from the aerobic fluidized bed through the feed pump 310, biological carriers are filled in the anaerobic fluidized bed, anaerobic microorganisms are attached to the carriers to form anaerobic microorganism particles, the biological particles efficiently degrade organic matters under the condition of high fluidization and generate biogas, the biogas is discharged through a gas collecting hood of a three-phase separator positioned at the top of the anaerobic fluidized bed region, and in addition, denitrifying bacteria in the anaerobic fluidized bed region A reduce nitrate nitrogen in the nitrifying return liquid into gaseous nitrogen, so that the denitrification function is realized. The sewage output from the anaerobic effluent weir 130 in the anaerobic fluidized bed area A is pumped into an annular water distribution device 220 at the bottom of an upflow area B1 through an aerobic feed pump 151, the air fed by an air compressor 233 is introduced into an upflow area B1 through an aeration sand head 231 at the bottom of the inverted cone of the reactor, the sewage, the compressed air and the microorganism carriers flow upwards in the upflow area B1 and downwards in the downflow area B2 to form hydraulic circulation, and the removal, the ammoniation process and the nitration reaction of organic pollutants are all carried out in the aerobic fluidized bed area. The sewage in the aerobic fluidized bed enters the three-phase separator 240 in the circulating process, after being separated by the three-phase separator 240, the carrier falls back to the down-flow zone B2, part of the output water enters the anaerobic fluidized bed zone A as nitrified liquid, and part of the output water overflows from the top of the three-phase separator 240 and enters a subsequent precipitation unit, and is discharged after precipitation and disinfection.
To sum up, the outstanding effect that the little expanded fluidized bed integration equipment of AO has can be listed as follows:
the device is an anaerobic-aerobic fluidized bed integrated reactor, and compared with a split type reactor, the device is compact in arrangement and reduces the occupied area. The anaerobic and aerobic fluidized bed has high volume load, reduces the volume of the reactor and lowers the investment.
The three-phase separator with the inclined tube separator arranged in the equipment can realize good solid-liquid separation effect, reduce the loss of carrier particles, ensure the microbial biomass of the bed body and reduce the operation cost brought by the supplement of the carrier.
The nitrified liquid in the aerobic zone flows back to the anaerobic zone, the aerobic zone performs nitration reaction, and the anaerobic zone performs denitrification reaction, so that the denitrification efficiency of the device is improved. Compared with the common A/O reactor, the anaerobic-aerobic fluidized bed has the advantage that the organic matter degradation efficiency is further improved.
The device can realize automatic control of the Internet. Fluidized bed reactor has a plurality of charge pumps and backwash pump and air compressor, generally all is through manual control, complex operation to all be based on experience control, can not realize accurate control. Therefore, an automatic control system taking dissolved oxygen as a control variable is designed, and the frequency of the air compressor and the flow of the reflux pump are automatically adjusted by the internet control terminal through the difference between the measured value and the set value of the dissolved oxygen, so that accurate control is realized. The application of the automatic control system overcomes the complexity of manual control of the fluidized bed, avoids energy waste caused by manual control, reduces the operation cost, and improves the treatment efficiency of the reactor by implementing accurate control.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
1. An A/O micro-expansion fluidized bed integrated device, which is characterized by comprising:
the anaerobic fluidized bed comprises an inner cylinder, an anaerobic fluidized bed zone, an anaerobic three-phase separator, a porous plate water distributor and an anaerobic effluent weir, wherein biological carriers are filled in the inner cylinder to form the anaerobic fluidized bed zone;
the aerobic fluidized bed is divided into an ascending area and a descending area by the guide cylinder, wherein the ascending area is formed by the area between the inner cylinder and the guide cylinder, the descending area is formed by the area between the guide cylinder and the outer cylinder, the bottom of the outer cylinder is in a taper shape, an annular water distribution device and an aeration device are arranged right below the ascending area, an aerobic three-phase separator is arranged at the top of the outer cylinder, and an aerobic effluent weir is arranged above the aerobic three-phase separator; wherein,
and part of the output water of the anaerobic effluent weir is sent into the porous plate water distributor through an anaerobic return pipe, and the other part of the output water is sent into the annular water distribution device through an anaerobic outlet pipe, and part of the output water of the aerobic effluent weir is output outwards and part of the output water is sent into the porous plate water distributor through a nitrified liquid return pipe, and the porous plate water distributor is also connected with an external sewage conveying pipe.
2. The integrated a/O micro-expansion fluidized bed apparatus according to claim 1, wherein a gas collecting hood for discharging biogas generated in the anaerobic fluidized bed zone is further provided above the anaerobic three-phase separator.
3. The integrated A/O micro-expansion fluidized bed equipment according to claim 2, wherein the annular water distribution device is an annular water pipe distributed at the bottom of the outer cylinder, and a plurality of water nozzles are arranged on the annular water pipe.
4. The A/O micro-expansion fluidized bed integrated equipment according to claim 3, wherein the aeration device comprises an aeration sand head and an air pipe for delivering air to the aeration sand head, and the air pipe is provided with an air compressor.
5. The integrated A/O micro-expansion fluidized bed equipment according to claim 4, wherein the upper section of the outer cylinder has a larger cylinder diameter than the middle section thereof, and is transitionally connected between the upper section and the middle section through a conical section; wherein
The top of the outer barrel is provided with an annular partition plate, the lower end of the annular partition plate is opposite to the middle section of the outer barrel but not connected with the middle section of the outer barrel, and the aerobic three-phase separator is arranged in a space formed by the annular partition plate and the outer barrel.
6. The integrated A/O micro-expansion fluidized bed apparatus according to claim 5, wherein the aerobic three-phase separator comprises a sloped tube separator, the sloped tube of the sloped tube separator is sloped outward, and the outer cylinder is provided with a sludge discharge pipe on a conical section thereof.
7. The integrated A/O micro-expansion fluidized bed equipment according to claim 6, wherein the external sewage delivery pipe is provided with a feeding pump, the nitrifying liquid return pipe is provided with a nitrifying liquid return pump, the anaerobic return pipe is provided with an anaerobic return pump, the anaerobic water outlet pipe is provided with an aerobic feeding pump, and the feeding pump, the nitrifying liquid return pump, the anaerobic return pump and the aerobic feeding pump are all connected to an external control terminal.
8. The integrated A/O micro-expansion fluidized bed equipment according to claim 7, wherein the upflow zones of the inner and outer cylinders are provided with dissolved oxygen on-line monitoring heads, and the external control terminal controls the operations of the feed pump, the nitrifying liquid reflux pump, the anaerobic reflux pump, the aerobic feed pump and the air compressor based on the monitoring data of the dissolved oxygen on-line monitoring heads.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105366812A (en) * | 2015-12-11 | 2016-03-02 | 重庆阁林环保科技有限公司 | A/O micro-expansion fluidized bed integrated equipment |
CN110482794A (en) * | 2019-08-28 | 2019-11-22 | 广州市人和清洗有限公司 | A kind of oil-water process system and treatment process |
CN111099728A (en) * | 2020-01-17 | 2020-05-05 | 北京工业大学 | Method for starting micro-expansion of shortcut nitrification sludge under condition of low carbon-nitrogen ratio domestic sewage |
CN115466005A (en) * | 2022-08-05 | 2022-12-13 | 中国石油化工股份有限公司 | High-salt high-ammonia nitrogen sewage treatment device and method |
-
2015
- 2015-12-11 CN CN201521044019.2U patent/CN205241349U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105366812A (en) * | 2015-12-11 | 2016-03-02 | 重庆阁林环保科技有限公司 | A/O micro-expansion fluidized bed integrated equipment |
CN110482794A (en) * | 2019-08-28 | 2019-11-22 | 广州市人和清洗有限公司 | A kind of oil-water process system and treatment process |
CN111099728A (en) * | 2020-01-17 | 2020-05-05 | 北京工业大学 | Method for starting micro-expansion of shortcut nitrification sludge under condition of low carbon-nitrogen ratio domestic sewage |
CN115466005A (en) * | 2022-08-05 | 2022-12-13 | 中国石油化工股份有限公司 | High-salt high-ammonia nitrogen sewage treatment device and method |
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