CN107601655A - Method for culturing aerobic granular sludge and culture apparatus - Google Patents
Method for culturing aerobic granular sludge and culture apparatus Download PDFInfo
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- CN107601655A CN107601655A CN201710851925.0A CN201710851925A CN107601655A CN 107601655 A CN107601655 A CN 107601655A CN 201710851925 A CN201710851925 A CN 201710851925A CN 107601655 A CN107601655 A CN 107601655A
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- particle mud
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- water inlet
- granular sludge
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- 239000010802 sludge Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012258 culturing Methods 0.000 title claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 15
- 235000015097 nutrients Nutrition 0.000 claims description 15
- 238000005276 aerator Methods 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 10
- 235000019270 ammonium chloride Nutrition 0.000 claims description 10
- 230000000050 nutritive effect Effects 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 239000002351 wastewater Substances 0.000 claims description 10
- 229910019142 PO4 Inorganic materials 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 230000002572 peristaltic effect Effects 0.000 claims description 7
- 238000005273 aeration Methods 0.000 claims description 6
- 238000004062 sedimentation Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 229910021380 Manganese Chloride Inorganic materials 0.000 claims description 5
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 claims description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 5
- 239000004327 boric acid Substances 0.000 claims description 5
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 5
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 5
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 5
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 5
- 235000002867 manganese chloride Nutrition 0.000 claims description 5
- 239000011565 manganese chloride Substances 0.000 claims description 5
- 229940099607 manganese chloride Drugs 0.000 claims description 5
- 230000004060 metabolic process Effects 0.000 claims description 5
- 244000005700 microbiome Species 0.000 claims description 5
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 5
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical group [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 5
- 239000013589 supplement Substances 0.000 claims description 5
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 5
- 229960001763 zinc sulfate Drugs 0.000 claims description 5
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000011534 incubation Methods 0.000 abstract description 6
- 239000008187 granular material Substances 0.000 abstract description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 3
- 239000010842 industrial wastewater Substances 0.000 abstract description 3
- 231100000033 toxigenic Toxicity 0.000 abstract description 3
- 230000001551 toxigenic effect Effects 0.000 abstract description 3
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 239000000356 contaminant Substances 0.000 abstract description 2
- 238000011020 pilot scale process Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 9
- 239000004254 Ammonium phosphate Substances 0.000 description 7
- 235000019289 ammonium phosphates Nutrition 0.000 description 7
- 239000011164 primary particle Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
The present invention relates to biological wastewater treatment field, more particularly to a kind of method for culturing aerobic granular sludge and culture apparatus.The cultural method for the aerobic particle mud that the present invention uses can handle all kinds of higher concentration sanitary sewages and industrial wastewater, the settling property for the aerobic particle mud turned out is higher more stable, expand the application of Aerobic Granular Sludge Technology, its COD, the clearance of ammonia nitrogen reach more than 80%, have stronger contaminant removal capacity；Aerobic particle mud culture apparatus proposed by the present invention, can incubation in ensure the culture stability of aerobic particle mud in reaction tube, while effectively reduce toxigenic capacity, reduce floor space, aerobic particle mud can be subjected to pilot scale culture；Sludge occurs to roll, collide and compress in swash plate group on swash plate, ensures the culture stability of aerobic particle mud, while greatly shortens incubation time, and the granule sludge structure that it is formed is closely knit, settling property is good.
Description
Technical field
The present invention relates to biological wastewater treatment field, more particularly to a kind of method for culturing aerobic granular sludge and culture dress
Put.
Background technology
Aerobic biochemical is biochemical wastewater treatment technology commonly used at present, and activated sludge is the main body of aerobic biochemical.Phase
Than traditional bioremediation, aerobic granular sludge technology have the characteristics that it is biological fine and close, than it is great, sinking speed is fast,
Be advantageous to Solid-Liquid Separation in reaction tube, can be substantially reduced or save the second pond for sludge in processing system, and can make
Higher sludge concentration and volumetric loading are maintained in reactor, while ensure that the water quality of water outlet.
The key of aerobic particle mud treatment technology is the culture of aerobic particle mud, and aerobic particle mud mostly can only
Small lot culture, the less stable of granule sludge is cultivated, while cultivation cycle is longer, the sedimentation of the aerobic particle mud of shaping
Performance is bad, limits the popularization and application of Aerobic Granular Sludge Technology.
The content of the invention
In view of the foregoing, the present invention is to provide a kind of aerobic turned out to solve the deficiencies in the prior art
The settling property of grain sludge is high, has a wide range of application, the high aerobic particle mud culture side of the culture stability of aerobic particle mud
Method and culture apparatus.
To reach above-mentioned purpose, the technical solution adopted for the present invention to solve the technical problems is：
A kind of method for culturing aerobic granular sludge, is comprised the following steps that：
Step 1, filling activated sludge：Activated sludge is loaded in reaction tube, protected outside reaction tube using thermostat
Temperature, for temperature control at 23-27 DEG C, the sludge concentration of reaction tube is 500mg/L-3000mg/L；
Step 2, water inlet：Then the pH value for adjusting pending petrochemical wastewater with sulfuric acid first will regulate PH between 7-8
The petrochemical wastewater of value is pumped into reaction tube by the water inlet on reaction tube, is carried out by the aerator for being arranged on reaction tube bottom
Aeration, makes muddy water be sufficiently mixed reaction；
Step 3, operation：It is 30 DEG C, aeration quantity 1-10L/min to keep the temperature in reaction tube, runs for 6 week daily
Phase, in each 4 hours cycles, 1-5min of intaking, 80-430min is aerated, settles 1-30min, leave unused 1-10min, water outlet 1-5min；
Step 4, shaping：The sedimentation time constantly according to circumstances is reduced in subsequent culture, the final settlement time is down to 5min；
Various microorganisms in primary particles are increased to derive new metabolism complementary relationship by competition with secondary, and it is tight to form structure
Mature granular sludge close, profile is regular.
Preferably, it is necessary to add a certain amount of nutrient material, the nutrient into reaction tube in step 2
Material includes nutritive salt and microelement substance.
Preferably, the microelement substance includes magnesium sulfate 10-40mg/L, iron chloride 10-30mg/L, zinc sulfate 1-
4mg/L, cobalt chloride 0.1-0.7mg/L, manganese chloride 0.1-0.5mg/L, aluminium chloride 50-100ug/L, boric acid 10-40ug/L.
Preferably, the nitrogen source in the nutritive salt is selected from ammonium chloride, and phosphate is selected from potassium dihydrogen phosphate, the ammonium chloride
It is with phosphatic addition：Influent COD：N：P mass ratio is 200：13：7.
Preferably, in step 2 and 3, the initial incremental amount of water inlet is the 60-80% of reaction tube dischargeable capacity, at it
In running afterwards, each cycle of operation supplements 1 water inlet, volume exchange according to the volume exchange rate of infall process reaction tube
Rate is 50%~65%.
Preferably, the addition of the nutrient material is since first cycle of operation, according to 1-80ml/L's
Inflow, every 6 cycles of operation addition once, are run 3-20 days in this way.
A kind of aerobic particle mud culture apparatus, including reaction tube, the reaction tube are closed cylinder, the reaction
Swash plate group is provided with cylinder, the reaction tube bottom is provided with aerator, and the aerator is connected with apparatus of oxygen supply, outside the reaction tube
Side is provided with sample tap, mud discharging mouth, water inlet and delivery port, and the water inlet is connected with water supply installation, the delivery port and row
Water installations are tightly connected, and the reaction tube top is provided with control cabinet.
Preferably, the reaction tube is connected with thermostat.
Preferably, the swash plate group includes the first fixed mount, the second fixed mount and support bar, first fixed mount
It is fixedly connected with the second fixed mount with body, the support bar is arranged between the first fixed mount and the second fixed mount, the branch
Swash plate has been evenly arranged on strut.
Preferably, the water supply installation includes feed cistern, dosing mouth, peristaltic pump and puddler, and the feed cistern leads to
The peristaltic pump crossed on pipeline is connected with water inlet, and the puddler is arranged in the feed cistern, and the dosing mouth is arranged on institute
State at the top of feed cistern.
It can be seen from the above technical scheme that the cultural method of aerobic particle mud that the present invention uses can handle it is all kinds of
Higher concentration sanitary sewage and industrial wastewater, the settling property for the aerobic particle mud turned out is higher more stable, expands
The application of oxygen granule sludge technology, its COD, the clearance of ammonia nitrogen reach more than 80%, and there is stronger pollutant to go
Removing solid capacity；
Aerobic particle mud culture apparatus proposed by the present invention, can incubation in ensure reaction tube in aerobic grain
The culture stability of sludge, while toxigenic capacity is effectively reduced, floor space is reduced, aerobic particle mud can be subjected to scale
Culture；Sludge occurs to roll, collide and compress in swash plate group on swash plate, ensures the culture stability of aerobic particle mud, together
When greatly shorten incubation time, its formed granule sludge structure is closely knit, settling property is good.
Brief description of the drawings
Fig. 1 is a kind of aerobic particle mud culture apparatus structural representation of the present invention.
Description of reference numerals：1- feed cisterns, 11- puddlers, 2- dosing mouths, 3- peristaltic pumps, 4- reaction tubes, 5- control cabinets,
51-PH probes, 52- temp probes, 53- dissolved oxygen probes, 6- sample taps, 7- delivery ports, 8- air pumps, 81- flowmeters, 82- expose
Gas device, 9- thermostats, 10- water inlets.
Embodiment
With reference to specific embodiment, present disclosure is described in further detail：
Refering to Fig. 1, a kind of aerobic particle mud culture apparatus, it is characterised in that including reaction tube 4, the reaction tube 4 is
Closed cylinder, the reaction tube 4 is interior to be provided with swash plate group, and the bottom of reaction tube 4 is provided with aerator 82, the aerator 82
It is connected with apparatus of oxygen supply, the outside of reaction tube 4 is provided with sample tap 6, mud discharging mouth, water inlet 10 and delivery port 7, the water inlet
Mouth 10 is connected with water supply installation, and the delivery port 7 is tightly connected with drainage arrangement, and the top of reaction tube 4 is provided with control cabinet 5.
The apparatus of oxygen supply includes air pump 8 and flowmeter 81, and the flowmeter 81 is arranged on the outside of air pump 8, to control
Air velocity processed.
The reaction tube 4 is connected with thermostat 9.
Controller is provided with the control cabinet 5, the controller is connected with the detector being arranged in reaction tube 4, described
Detector includes PH probes 51, temp probe 52, dissolved oxygen probe 53.
The swash plate group includes the first fixed mount, the second fixed mount and support bar, and first fixed mount and second are consolidated
Determine frame to be fixedly connected with body, the support bar is arranged between the first fixed mount and the second fixed mount, on the support bar
It is even to be disposed with swash plate.
The swash plate is semicircular plate, and it, which is faced directly, is fixed on the support bar.
Swash plate in the swash plate group is completely submerged in below liquid level, and the swash plate group is along 4 horizontal or vertical side of reaction tube
To setting.
The swash plate group is 5%-45% in the summation of the projected area on the ground of reaction tube 4 and the ratio of reaction tube 4.
Magnetic valve is provided with the drainage arrangement, to control out water speed
The water supply installation includes feed cistern 1, dosing mouth 2, peristaltic pump 3 and puddler 11, and the feed cistern 1 passes through pipe
Peristaltic pump 3 on road is connected with water inlet 10, and the puddler 11 is arranged in the feed cistern 1, and the dosing mouth 2 is arranged on
The top of feed cistern 1
Embodiment 1
A kind of method for culturing aerobic granular sludge, is comprised the following steps that：
Step 1, filling activated sludge：Activated sludge is loaded in reaction tube 4, the outside of reaction tube 4 uses thermostat 9
Insulation, for temperature control at 25 DEG C, the sludge concentration of reaction tube 4 is 1000mg/L；
Step 2, water inlet：The pH value of pending petrochemical wastewater is adjusted with sulfuric acid first 7.1, then will regulate pH value
Petrochemical wastewater is pumped into reaction tube 4 by the water inlet 10 on reaction tube 4, by the aerator 82 for being arranged on the bottom of reaction tube 4
It is aerated, muddy water is sufficiently mixed reaction；
Step 3, operation：It is 30 DEG C, aeration quantity 5L/min to keep the temperature in reaction tube 4, runs 6 cycles daily,
In each 4 hours cycles, 3min of intaking, 90min is aerated, settles 25min, leave unused 5min, water outlet 5min；
Step 4, shaping：The sedimentation time constantly according to circumstances is reduced in subsequent culture, the final settlement time is down to 5min；
Various microorganisms in primary particles are increased to derive new metabolism complementary relationship by competition with secondary, and it is tight to form structure
Mature granular sludge close, profile is regular.
, it is necessary to add a certain amount of nutrient material into reaction tube 4 in step 2, the nutrient material includes
Nutritive salt and microelement substance.
The microelement substance includes magnesium sulfate 25mg/L, iron chloride 20mg/L, zinc sulfate 2mg/L, cobalt chloride
0.4mg/L, manganese chloride 0.35mg/L, aluminium chloride 60ug/L, boric acid 18ug/L.
Nitrogen source in the nutritive salt is selected from ammonium chloride, and phosphate is selected from potassium dihydrogen phosphate, the ammonium chloride and phosphate
Addition be：Influent COD：N：P mass ratio is 200：13：7.
In step 2 and 3, the initial incremental amount of water inlet is the 60-80% of the dischargeable capacity of reaction tube 4, in operation afterwards
During, each cycle of operation supplements 1 water inlet according to the volume exchange rate of infall process reaction tube 4, and volume exchange rate is
50%~65%.
The addition of the nutrient material be since first cycle of operation, according to 1-80ml/L inflow, every 6
Individual cycle of operation addition once, is run 3-20 days in this way.
Embodiment 2
A kind of method for culturing aerobic granular sludge, is comprised the following steps that：
Step 1, filling activated sludge：Activated sludge is loaded in reaction tube 4, the outside of reaction tube 4 uses thermostat 9
Insulation, for temperature control at 26 DEG C, the sludge concentration of reaction tube 4 is 1500mg/L；
Step 2, water inlet：The pH value of pending petrochemical wastewater is adjusted with sulfuric acid first 7.2, then will regulate pH value
Petrochemical wastewater is pumped into reaction tube 4 by the water inlet 10 on reaction tube 4, by the aerator 82 for being arranged on the bottom of reaction tube 4
It is aerated, muddy water is sufficiently mixed reaction；
Step 3, operation：It is 30 DEG C, aeration quantity 3L/min to keep the temperature in reaction tube 4, runs 6 cycles daily,
In each 4 hours cycles, 2min of intaking, 80min is aerated, settles 20min, leave unused 7min, water outlet 4min；
Step 4, shaping：The sedimentation time constantly according to circumstances is reduced in subsequent culture, the final settlement time is down to 5min；
Various microorganisms in primary particles are increased to derive new metabolism complementary relationship by competition with secondary, and it is tight to form structure
Mature granular sludge close, profile is regular.
, it is necessary to add a certain amount of nutrient material into reaction tube 4 in step 2, the nutrient material includes
Nutritive salt and microelement substance.
The microelement substance includes magnesium sulfate 15mg/L, iron chloride 18mg/L, zinc sulfate 2.5mg/L, cobalt chloride
0.2mg/L, manganese chloride 0.4mg/L, aluminium chloride 55ug/L, boric acid 10ug/L.
Nitrogen source in the nutritive salt is selected from ammonium chloride, and phosphate is selected from potassium dihydrogen phosphate, the ammonium chloride and phosphate
Addition be：Influent COD：N：P mass ratio is 200：13：7.
In step 2 and 3, the initial incremental amount of water inlet is the 60-80% of the dischargeable capacity of reaction tube 4, in operation afterwards
During, each cycle of operation supplements 1 water inlet according to the volume exchange rate of infall process reaction tube 4, and volume exchange rate is
50%~65%.
The addition of the nutrient material be since first cycle of operation, according to 1-80ml/L inflow, every 6
Individual cycle of operation addition once, is run 3-20 days in this way
Embodiment 3
A kind of method for culturing aerobic granular sludge, is comprised the following steps that：
Step 1, filling activated sludge：Activated sludge is loaded in reaction tube 4, the outside of reaction tube 4 uses thermostat 9
Insulation, for temperature control at 27 DEG C, the sludge concentration of reaction tube 4 is 2000mg/L；
Step 2, water inlet：The pH value of pending petrochemical wastewater is adjusted with sulfuric acid first 7.5, then will regulate pH value
Petrochemical wastewater is pumped into reaction tube 4 by the water inlet 10 on reaction tube 4, by the aerator 82 for being arranged on the bottom of reaction tube 4
It is aerated, muddy water is sufficiently mixed reaction；
Step 3, operation：It is 30 DEG C, aeration quantity 6L/min to keep the temperature in reaction tube 4, runs 6 cycles daily,
In each 4 hours cycles, 4.5min of intaking, 150min is aerated, settles 30min, leave unused 8min, water outlet 5min；
Step 4, shaping：The sedimentation time constantly according to circumstances is reduced in subsequent culture, the final settlement time is down to 5min；
Various microorganisms in primary particles are increased to derive new metabolism complementary relationship by competition with secondary, and it is tight to form structure
Mature granular sludge close, profile is regular.
, it is necessary to add a certain amount of nutrient material into reaction tube 4 in step 2, the nutrient material includes
Nutritive salt and microelement substance.
The microelement substance includes magnesium sulfate 27mg/L, iron chloride 24mg/L, zinc sulfate 3.6mg/L, cobalt chloride
0.55mg/L, manganese chloride 0.45mg/L, aluminium chloride 90ug/L, boric acid 15ug/L.
Nitrogen source in the nutritive salt is selected from ammonium chloride, and phosphate is selected from potassium dihydrogen phosphate, the ammonium chloride and phosphate
Addition be：Influent COD：N：P mass ratio is 200：13：7.
In step 2 and 3, the initial incremental amount of water inlet is the 60-80% of the dischargeable capacity of reaction tube 4, in operation afterwards
During, each cycle of operation supplements 1 water inlet according to the volume exchange rate of infall process reaction tube 4, and volume exchange rate is
50%~65%.
The addition of the nutrient material be since first cycle of operation, according to 1-80ml/L inflow, every 6
Individual cycle of operation addition once, is run 3-20 days in this way.
Above-described embodiment 1, embodiment 2, activated sludge uses floc sludge described in embodiment 3.
The cultural method of aerobic particle mud of the present invention can handle all kinds of higher concentration sanitary sewages and industrial wastewater, culture
The settling property of the aerobic particle mud gone out is higher more stable, expands the application of Aerobic Granular Sludge Technology, its COD,
The clearance of ammonia nitrogen reaches more than 80%, has stronger contaminant removal capacity；
Aerobic particle mud culture apparatus proposed by the present invention, it can ensure that aerobic grain is dirty in reaction tube in incubation
The culture stability of mud, while toxigenic capacity is effectively reduced, floor space is reduced, aerobic particle mud can be subjected to scale training
Support；Sludge occurs to roll, collide and compress in swash plate group on swash plate, ensures the culture stability of aerobic particle mud, simultaneously
Incubation time is greatly shortened, the granule sludge structure that it is formed is closely knit, settling property is good.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, it should all cover within the scope of the present invention.
Claims (10)
1. a kind of method for culturing aerobic granular sludge, it is characterised in that comprise the following steps that：
Step 1, filling activated sludge：Activated sludge is loaded in reaction tube, is incubated outside reaction tube using thermostat, temperature
At 23-27 DEG C, the sludge concentration of reaction tube is 500mg/L-3000mg/L for degree control；
Step 2, water inlet：Then the pH value for adjusting pending petrochemical wastewater with sulfuric acid first will regulate pH value between 7-8
Petrochemical wastewater is pumped into reaction tube by the water inlet on reaction tube, is exposed by the aerator for being arranged on reaction tube bottom
Gas, muddy water is set to be sufficiently mixed reaction；
Step 3, operation：It is 30 DEG C, aeration quantity 1-10L/min to keep the temperature in reaction tube, runs 6 cycles daily, often
In individual 4 hours cycles, 1-5min of intaking, 80-430min is aerated, settles 1-30min, leave unused 1-10min, water outlet 1-5min；
Step 4, shaping：The sedimentation time constantly according to circumstances is reduced in subsequent culture, the final settlement time is down to 5min；Initially
Intragranular various microorganisms are increased to derive new metabolism complementary relationship by competition with secondary, form close structure,
The mature granular sludge of profile rule.
2. method for culturing aerobic granular sludge according to claim 1, it is characterised in that in step 2, it is necessary to reaction tube
Interior a certain amount of nutrient material of addition, the nutrient material include nutritive salt and microelement substance.
3. method for culturing aerobic granular sludge according to claim 2, it is characterised in that the microelement substance includes
Magnesium sulfate 10-40mg/L, iron chloride 10-30mg/L, zinc sulfate 1-4mg/L, cobalt chloride 0.1-0.7mg/L, manganese chloride 0.1-
0.5mg/L, aluminium chloride 50-100ug/L, boric acid 10-40ug/L.
4. method for culturing aerobic granular sludge according to claim 2, it is characterised in that the nitrogen source choosing in the nutritive salt
From ammonium chloride, phosphate is selected from potassium dihydrogen phosphate, and the ammonium chloride and phosphatic addition are：Influent COD：N：P quality
Than for 200：13：7.
5. method for culturing aerobic granular sludge according to claim 1, it is characterised in that in step 2 and 3, water inlet
Initial incremental amount is the 60-80% of reaction tube dischargeable capacity, and in running afterwards, each cycle of operation was according to settling
The volume exchange rate of journey reaction tube supplements 1 water inlet, and volume exchange rate is 50%~65%.
6. method for culturing aerobic granular sludge according to claim 2, it is characterised in that the nutrient material adds
It is since first cycle of operation to add, and according to 1-80ml/L inflow, every 6 cycles of operation add once, in this way
Operation 3-20 days.
7. a kind of aerobic particle mud culture apparatus, it is characterised in that including reaction tube, the reaction tube is closed cylinder
Body, the reaction tube is interior to be provided with swash plate group, and the reaction tube bottom is provided with aerator, and the aerator is connected with apparatus of oxygen supply,
Sample tap, mud discharging mouth, water inlet and delivery port are provided with the outside of the reaction tube, the water inlet is connected with water supply installation, institute
State delivery port to be tightly connected with drainage arrangement, the reaction tube top is provided with control cabinet.
8. aerobic particle mud culture apparatus according to claim 7, it is characterised in that the reaction tube and thermostat
It is connected.
9. aerobic particle mud culture apparatus according to claim 7, it is characterised in that it is solid that the swash plate group includes first
Determine frame, the second fixed mount and support bar, first fixed mount and the second fixed mount are fixedly connected with body, the support bar
It is arranged between the first fixed mount and the second fixed mount, swash plate has been evenly arranged on the support bar.
10. aerobic particle mud culture apparatus according to claim 7, it is characterised in that the water supply installation includes supplying
Pond, dosing mouth, peristaltic pump and puddler, the feed cistern is connected by the peristaltic pump on pipeline with water inlet, described to stir
Mix bar to be arranged in the feed cistern, the dosing mouth is arranged at the top of the feed cistern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710851925.0A CN107601655A (en) | 2017-09-20 | 2017-09-20 | Method for culturing aerobic granular sludge and culture apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710851925.0A CN107601655A (en) | 2017-09-20 | 2017-09-20 | Method for culturing aerobic granular sludge and culture apparatus |
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| CN107601655A true CN107601655A (en) | 2018-01-19 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102219297A (en) * | 2010-04-16 | 2011-10-19 | 复旦大学 | Rapid culture method of aerobic granular sludge |
| CN104556362A (en) * | 2013-10-11 | 2015-04-29 | 中国石油化工股份有限公司 | Aerobic granular sludge culture method |
| CN105293866A (en) * | 2015-11-30 | 2016-02-03 | 中国矿业大学 | Inclined plate selective culture method and device for aerobic granular sludge |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102219297A (en) * | 2010-04-16 | 2011-10-19 | 复旦大学 | Rapid culture method of aerobic granular sludge |
| CN104556362A (en) * | 2013-10-11 | 2015-04-29 | 中国石油化工股份有限公司 | Aerobic granular sludge culture method |
| CN105293866A (en) * | 2015-11-30 | 2016-02-03 | 中国矿业大学 | Inclined plate selective culture method and device for aerobic granular sludge |
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Application publication date: 20180119 |