CN110054283A - A kind of nitrification spirillum granule sludge cultural method and device - Google Patents
A kind of nitrification spirillum granule sludge cultural method and device Download PDFInfo
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- CN110054283A CN110054283A CN201910343648.1A CN201910343648A CN110054283A CN 110054283 A CN110054283 A CN 110054283A CN 201910343648 A CN201910343648 A CN 201910343648A CN 110054283 A CN110054283 A CN 110054283A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1263—Sequencing batch reactors [SBR]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/004—Apparatus and plants for the biological treatment of water, waste water or sewage comprising a selector reactor for promoting floc-forming or other bacteria
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
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- 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
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
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Abstract
The present invention relates to a kind of nitrification spirillum granule sludge cultural method and devices.Wherein, cultural method includes that cotton-shaped activated sludge is seeded in sbr reactor device to carry out enrichment culture, and the sbr reactor device is run by the way of batch-type, it is intake by inlet tank to sbr reactor device, start aeration and stirring after the completion of water inlet simultaneously, and the mixing speed is 100rmin‑1, at 29 DEG C~31 DEG C, the sludge age is 20d for water temperature control in the sbr reactor device, and by the enrichment culture of 90d~100d, the cotton-shaped activated sludge being inoculated in sbr reactor device is converted to the nitrification spirillum granule sludge of brown color.The present invention solves in existing nitrification spirillum granule sludge cultural method, deviates the problem that practical situations, mixed liquor volatile suspended solid, MLVSS concentration are lower, energy consumption is larger, and the present invention has the characteristics that treatment effeciency is higher and operational management is simple.
Description
Technical field
The present invention relates to water-treatment technology field more particularly to a kind of nitrification spirillum granule sludge cultural methods and device.
Background technique
Nitrite is a kind of toxicant, for the human body, nitrite can in conjunction with the iron hemalbumin in blood,
Iron hemalbumin is oxidized to high-speed rail hemalbumin, there is the symptom of histanoxia in the ability for causing red blood cell to lose conveying oxygen, human body,
Furthermore nitrite can also form nitroso or other compounds in conjunction with ammonia nitrogen under one's belt, have carcinogenesis；For water body
For, the degradation of one side nitrite can consume the oxygen in water, be conducive to water eutrophication, another aspect nitrite
Certain damaging effect can be formed to the growth of animals and plants in water body.
Nitrite is widely present in many industry waste water, and concentration is also higher, such as chemical industry, chemical pharmacy, dye
Expect industry, rubber industry, paint pigment, steel production, production of electronic components, automobile manufacture, steel furniture etc..For such richness
The waste water of the nitrite containing high concentration, common processing method mainly includes ion-exchange, chemical oxidation, electrodialysis both at home and abroad
Equal physico-chemical process.For comparing physico-chemical process, there is bioanalysis high-efficiency and economic, reaction condition easily to realize, there is no secondary pollution etc. is excellent
Gesture.It can be seen that the method for researching and developing efficient enrichment culture nitrite oxidizing bacteria is extremely urgent.
Traditional biological denitrificaion, i.e. nitration denitrification technology refer to the nitrogenous compound in sewage via the ammonia of microorganism
Change a series of biochemical reactions such as reaction, nitration reaction and anti-nitration reaction and is converted into the process of nitrogen.This method exists de-
The disadvantages of nitrogen long flow path, takes up a large area, operating cost and higher energy consumption.Compare traditional nitration denitrification technique, short distance nitration
Denitrification process has the advantages that save 25% aeration energy consumption, 40% carbon source demand.But in denitrification process, carbon source
When insufficient, for comparing nitrate reductase, the activity of nitrite reductase is weaker, eventually leads to and nitrite accumulation occurs
Phenomenon.
Currently, many document reports are using ammonia oxidizing bacteria as the granule sludge culture of dominant bacteria or complete nitrification, one
It is the granule sludge that absolute predominance grows bacterium, common nitrite-oxidizing that a little researchers, which also begin to focus on nitrite oxidizing bacteria,
Bacterium mainly has bacterium nitrobacter (Nitrobacter) and nitrification spirillum (Nitrospira).Nitrification spirillum reported in the literature
(Nitrospira) Enrichment culture method is mainly, using deionized water as raw water, NO in strict control reactor2 -- N is consistently lower than
5mg·L-1, and dissolved oxygen is maintained at higher level, generally 3~4mgL-1.This method presence deviation practical situations,
The problem that mixed liquor volatile suspended solid, MLVSS concentration is lower, energy consumption is larger.
Summary of the invention
In view of the above-mentioned problems in the prior art, the main purpose of the present invention is to provide a kind of nitrification spirillum particles
Culturing sludge method and device, it is intended to handle the higher industry waste water of nitrite concentration, it is not exclusively caused to solve denitrification
Nitrite accumulation problem, applied to research short distance nitration in nitrite oxidizing bacteria growth characteristics, and solve it is existing
Enrichment culture nitrifies in spirillum granule sludge method, deviate practical situations, mixed liquor volatile suspended solid, MLVSS concentration it is lower,
Consume energy larger problem.
The technical scheme is that such:
A kind of nitrification spirillum granule sludge cultural method, including cotton-shaped activated sludge is seeded in sbr reactor device and is carried out
Enrichment culture, and the sbr reactor device is run by the way of batch-type, by inlet tank to sbr reactor device carry out into
Water starts aeration and stirring simultaneously after the completion of water inlet, and the mixing speed is 100rmin-1, water in the sbr reactor device
For temperature control system at 29 DEG C~31 DEG C, the sludge age is 20d, by the enrichment culture of 90d~100d, is inoculated in sbr reactor device
Cotton-shaped activated sludge is converted to the nitrification spirillum granule sludge of brown color.
The floc sludge is derived from the cotton-shaped activated sludge of sewage plant nitrification tank, and the mixed liquor of the floc sludge suspends
Solid concentration is 7000mgL-1~9000mgL-1。
The reactor is run by the way of batch-type specifically: one day 6 period of operation, the time in each period is
240min, wherein flooding time 10min, reaction time 200min, sedimentation time 20min, water discharge time 10min.
The content of dissolved oxygen is shown in control by gas rotameter in the sbr reactor device, and in the reactor
The content of dissolved oxygen is 0.5mgL-1~1mgL-1。
It is 0.6 that the draining of the sbr reactor device, which is compared,；And the inlet flow-patterm that the sbr reactor device is intake by inlet tank
Value is 7.80~7.98.
The sbr reactor device is controlled by Intelligent timer, and water inlet is pumped by water pump from the bottom of sbr reactor device,
Starting aeration and stirring after the completion of water inlet simultaneously, draining is opened the solenoid valve for being used to drain control by Intelligent timer control,
Draining flows out sbr reactor device by gravity.
The water inlet of the sbr reactor device is using the inorganic wastewater manually prepared, and the inorganic wastewater is original with tap water
Water, and add 50~150mgL-1NO2 --N、50mg·L-1HCO3 -、10mg·L-1H2PO4 -、1mL·L-1It is micro
Element concentrate I and 1mLL-1Microelement concentrate II
The microelement concentrate I includes 5000mgL-1EDTA and 5000mgL-1FeSO4；It is described micro-
Secondary element concentrate II includes 15000mgL-1EDTA, 430mgL-1ZnSO4·7H2O、240mg·L-1CoCl2·
6H2O、990mg·L-1MnCl2·4H2O、250mg·L-1CuSO4·5H2The 14mgL of O-1H3BO3、220mg·L-1's
NaMoO4·2H2O、190mg·L-1NiCl6H2O and 210mgL-1Na2SeO4·10H2O。
A kind of nitrification spirillum granule sludge culture apparatus, including inlet tank, sbr reactor device, water bath and water tank, institute
It states inlet tank and is connected by water inlet pipe with the bottom of sbr reactor device, intake pump, the inlet tank are provided on the water inlet pipe
For intaking to the sbr reactor device, the sbr reactor device is arranged inside the water bath, further includes being arranged in institute
The air pump outside sbr reactor device is stated, the air pump is connected by appendix with the bottom of the sbr reactor device, described
It is provided in water bath for keeping the heated at constant temperature stick that temperature is constant in sbr reactor device, is provided with and stirs in the sbr reactor device
Machine is mixed, the draining of the sbr reactor device is flowed into the water tank by drainpipe, is provided on the drainpipe for draining
The solenoid valve of control, the solenoid valve are electrically connected with Intelligent timer.
It is provided with gas rotameter in the sbr reactor device, for measuring containing for dissolved oxygen in the sbr reactor device
Amount.
The present invention has the following advantages and beneficial effects: a kind of nitrification spirillum granule sludge training provided in an embodiment of the present invention
Method and device is supported, by dissolved oxygen in control sbr reactor device, the shearing force for making full use of aeration and stirring to provide, and
The advantages such as the grain sludge settling period is short, mud-water separation effect is obvious, effectively withhold sludge, caused by avoiding because of draining
Sludge loss advantageously ensures that reactor obtains higher treatment effect.In addition to this, the present invention is configured by raw water of tap water
Artificial inorganic wastewater, the bacterium nitrobacter granule sludge more closing to reality turned out ask situation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of nitrification spirillum granule sludge culture apparatus provided in an embodiment of the present invention.
Sbr reactor in a typical cycle in the nitrification spirillum granule sludge cultural method that Fig. 2 provides for inventive embodiments
Nitrogen in device, dissolved oxygen, pH, oxidation-reduction potential variation schematic diagram.
Nitrification spirillum granule sludge is in 34d in the nitrification spirillum granule sludge cultural method that Fig. 3 provides for inventive embodiments
When 100 power microscope photo schematic diagrames.
Nitrification spirillum granule sludge is in 90d in the nitrification spirillum granule sludge cultural method that Fig. 4 provides for inventive embodiments
100 power microscope photo schematic diagram when~100d.
Fig. 5 is the high pass for nitrifying nitrification spirillum granule sludge in spirillum granule sludge cultural method that inventive embodiments provide
Measure sequence result schematic diagram.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.Therefore, below to the reality of the invention provided in the accompanying drawings
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
The present invention is further illustrated with specific embodiment below with reference to accompanying drawings.
The nitrification spirillum granule sludge cultural method of the embodiment of the present invention, including that cotton-shaped activated sludge is seeded to SBR is anti-
It answers and carries out enrichment culture in device, and the sbr reactor device is run by the way of batch-type, it is anti-to SBR by inlet tank
It answers device to intake, starts aeration and stirring after the completion of water inlet simultaneously, and the mixing speed is 100rmin-1, the SBR
Water temperature control is at 29 DEG C~31 DEG C in reactor, and the sludge age is 20d, by the enrichment culture of 90d~100d, sbr reactor
The cotton-shaped activated sludge being inoculated in device is converted to the nitrification spirillum granule sludge of brown color.SBR is sequencing batch active sludge
The letter abbreviations of (Sequencing BatchReactor Activated Sludge Process)
The floc sludge is derived from the cotton-shaped activated sludge of sewage plant nitrification tank, and the mixed liquor of the floc sludge suspends
Solid concentration is 7000mgL-1~9000mgL-1。
The reactor is run by the way of batch-type specifically: one day 6 period of operation, the time in each period is
240min, wherein flooding time 10min, reaction time 200min, sedimentation time 20min, water discharge time 10min.
The content of dissolved oxygen is shown in control by gas rotameter in the sbr reactor device, and in the reactor
The content of dissolved oxygen is 0.5mgL-1~1mgL-1。
It is 0.6 that the draining of the sbr reactor device, which is compared,；And the inlet flow-patterm that the sbr reactor device is intake by inlet tank
Value is 7.80~7.98.
The sbr reactor device is controlled by Intelligent timer, and water inlet is pumped by water pump from the bottom of sbr reactor device,
Starting aeration and stirring after the completion of water inlet simultaneously, draining is opened the solenoid valve for being used to drain control by Intelligent timer control,
Draining flows out sbr reactor device by gravity.
The water inlet of the sbr reactor device is using the inorganic wastewater manually prepared, and the inorganic wastewater is original with tap water
Water, and add 50~150mgL-1NO2 --N、50mg·L-1HCO3 -、10mg·L-1H2PO4 -、1mL·L-1It is micro
Element concentrate I and 1mLL-1Microelement concentrate II
The microelement concentrate I includes 5000mgL-1EDTA and 5000mgL-1FeSO4；It is described micro-
Secondary element concentrate II includes 15000mgL-1EDTA, 430mgL-1ZnSO4·7H2O、240mg·L-1CoCl2·
6H2O、990mg·L-1MnCl2·4H2O、250mg·L-1CuSO4·5H2The 14mgL of O-1H3BO3、220mg·L-1's
NaMoO4·2H2O、190mg·L-1NiCl6H2O and 210mgL-1Na2SeO4·10H2O。
As shown in Figure 1, being a kind of nitrification spirillum granule sludge culture apparatus provided in an embodiment of the present invention, including inlet tank
1, sbr reactor device 7, water bath 6 and water tank 10 are inoculated with cotton-shaped activated sludge 8, the water inlet in the sbr reactor device 7
Case is connected by water inlet pipe with the bottom of sbr reactor device 7, and intake pump 2 is provided on the water inlet pipe, and the inlet tank 1 is used
It intakes in the sbr reactor device 7, the sbr reactor device 7 is arranged inside the water bath 6, further includes being arranged in institute
The air pump 3 outside sbr reactor device 7 is stated, the air pump 3 is connected by appendix with the bottom of the sbr reactor device 7,
It is provided in the water bath 6 for keeping the heated at constant temperature stick 4 that temperature is constant in sbr reactor device 7, in the sbr reactor device 7
It is provided with blender 5, the draining of the sbr reactor device 7 is flowed into the water tank 10 by drainpipe, set on the drainpipe
It is equipped with the solenoid valve 9 for draining control, the solenoid valve 9 is electrically connected with Intelligent timer (not shown).Wherein, SBR
The method of operation of reactor is controlled by Intelligent timer, one day 6 period of operation, and the time of a cycle is 240min, wherein
Flooding time is 10min, reaction time 200min, sedimentation time 20min, water discharge time 10min；Water inlet by water pump from
Reactor bottom is pumped into, and starts aeration and stirring after the completion of water inlet simultaneously, and draining is controlled by Intelligent timer by electromagnetic outlet valve
It opens, draining relies on gravity outflow reactor.
It is provided with gas rotameter in the sbr reactor device 7, for measuring dissolved oxygen in the sbr reactor device
Content.
As shown in Figure 2, in typical cycle, nitrite concentration linearly declines, and nitrate concentration linearly increases；In Asia
Before nitrate is not all converted to nitrate, dissolved oxygen substantially remains in 0.5mgL-1~1mgL-1, nitrite not
After being all converted to nitrate, dissolved oxygen is increased rapidly, and dissolved oxygen can indicate that nitrite is all depleted；PH slightly rises
Height, but change little；The variation of oxidation-reduction potential is similar with dissolved oxygen, but can not accurately indicate that nitrite is all disappeared
It has consumed.
From figs. 3 and 4 it can be seen that for when comparing 34d, the partial size of nitrification spirillum granule sludge is bright when 90d~100d
It is aobvious to increase；In addition, sludge settling ratio can reach 0.1%, illustrate that the settling property of sludge is very good；Fig. 5 is enrichment culture nitre
Change spirillum granule sludge high-flux sequence as a result, nitrification spirillum relative abundance be 18.79%, illustrate nitrify spirillum occupy
Absolute predominance grows status in sbr reactor device.
The nitrification spirillum granule sludge cultural method of the embodiment of the present invention, by 3 days enrichment cultures, periodic reaction time
At the end of, nitrite is all oxidized to nitrate, then in nitrite in the premise being removed completely in the reaction time
Under, water inlet nitrite concentration is improved step by step；By the enrichment culture of 90d~100d, initial cotton-shaped activity in reactor
Sludge is completely converted into the granule sludge of brown color.
The nitrification spirillum granule sludge cultural method of the embodiment of the present invention, finds through high-flux sequence, nitrifies spirillum
(Nitrospira) content accounts for 18.79% of microbial total content in granule sludge, and and nitrite-oxidizing is not detected
Another kind of bacterium --- bacterium nitrobacter (Nitrobacter)；For other microorganisms, spirillum is nitrified
(Nitrospira) absolute growth advantage is occupied.
The nitrification spirillum granule sludge cultural method and device, major advantage of the embodiment of the present invention are, by stringent
Dissolved oxygen in reactor is controlled, the shearing force that makes full use of aeration and stirring the to provide and settling of granular sludge period is short, mud
The advantages such as water separating effect is obvious, effectively withhold sludge, the sludge loss caused by avoiding because of draining advantageously ensures that anti-
Device is answered to obtain higher treatment effect.In addition to this, the present invention configures artificial inorganic wastewater by raw water of tap water, is turned out
Bacterium nitrobacter granule sludge more closing to reality ask situation.
Finally, it should be noted that above-described embodiments are merely to illustrate the technical scheme, rather than to it
Limitation；Although the present invention is described in detail referring to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or to part of or all technical features into
Row equivalent replacement；And these modifications or substitutions, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case.
Claims (10)
1. a kind of nitrification spirillum granule sludge cultural method, which is characterized in that including cotton-shaped activated sludge is seeded to sbr reactor
Enrichment culture is carried out in device, and the sbr reactor device is run by the way of batch-type, by inlet tank to sbr reactor
Device is intake, and starts aeration and stirring after the completion of water inlet simultaneously, and the mixing speed is 100rmin-1, the SBR is anti-
Water temperature in device is answered to control at 29 DEG C~31 DEG C, the sludge age is 20d, by the enrichment culture of 90d~100d, sbr reactor device
The cotton-shaped activated sludge of interior inoculation is converted to the nitrification spirillum granule sludge of brown color.
2. nitrification spirillum granule sludge cultural method according to claim 1, which is characterized in that the floc sludge is derived from
The cotton-shaped activated sludge of sewage plant nitrification tank, and the mixed genetic-neural network of the floc sludge is 7000mgL-1~
9000mg·L-1。
3. nitrification spirillum granule sludge cultural method according to claim 2, which is characterized in that the reactor uses sequence
The mode of batch is run specifically: one day 6 period of operation, time in each period are 240min, wherein flooding time is
10min, reaction time 200min, sedimentation time 20min, water discharge time 10min.
4. nitrification spirillum granule sludge cultural method according to claim 1, which is characterized in that in the sbr reactor device
The content of dissolved oxygen is shown in control by gas rotameter, and the content of dissolved oxygen is 0.5mgL in the reactor-1
~1mgL-1。
5. nitrification spirillum granule sludge cultural method according to claim 1, which is characterized in that the sbr reactor device
Draining is than being 0.6；And the sbr reactor device is 7.80~7.98 by the water inlet pH value that inlet tank is intake.
6. nitrification spirillum granule sludge cultural method according to claim 1, which is characterized in that the sbr reactor device is logical
Intelligent timer is crossed to be controlled, water inlet be pumped by water pump from the bottom of sbr reactor device, water inlet after the completion of simultaneously start aeration and
Stirring, draining are opened the solenoid valve for being used to drain control by Intelligent timer control, and draining flows out sbr reactor by gravity
Device.
7. nitrification spirillum granule sludge cultural method according to claim 1, which is characterized in that the sbr reactor device
Water inlet is using the inorganic wastewater manually prepared, and the inorganic wastewater is using tap water as raw water, and adds 50~150mgL-1's
NO2 --N、50mg·L-1HCO3 -、10mg·L-1H2PO4 -、1mL·L-1Microelement concentrate I and 1mLL-1's
Microelement concentrate II.
8. nitrification spirillum granule sludge cultural method according to claim 7, which is characterized in that the microelement concentration
Liquid I includes 5000mgL-1EDTA and 5000mgL-1FeSO4；The microelement concentrate II includes
15000mg·L-1EDTA, 430mgL-1ZnSO4·7H2O、240mg·L-1CoCl2·6H2O、990mg·L-1's
MnCl2·4H2O、250mg·L-1CuSO4·5H2The 14mgL of O-1 H3BO3、220mg·L-1NaMoO4·2H2O、
190mg·L-1NiCl6H2O and 210mgL-1Na2SeO4·10H2O。
9. a kind of nitrification spirillum granule sludge culture apparatus, which is characterized in that including inlet tank, sbr reactor device, water bath and
Water tank, the inlet tank are connected by water inlet pipe with the bottom of sbr reactor device, are provided with intake pump on the water inlet pipe,
For intaking to the sbr reactor device, the sbr reactor device is arranged inside the water bath inlet tank, also wraps
The air pump being arranged in outside the sbr reactor device is included, the air pump passes through the bottom phase of appendix and the sbr reactor device
It is connected to, is provided in the water bath for keeping the heated at constant temperature stick that temperature is constant in sbr reactor device, the sbr reactor device
It is inside provided with blender, the draining of the sbr reactor device is flowed into the water tank by drainpipe, is arranged on the drainpipe
There is the solenoid valve for draining control, the solenoid valve is electrically connected with Intelligent timer.
10. nitrification spirillum granule sludge culture apparatus according to claim 9, which is characterized in that in the sbr reactor device
It is provided with gas rotameter, for measuring the content of dissolved oxygen in the sbr reactor device.
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| CN112573647A (en) * | 2020-12-29 | 2021-03-30 | 江西省科学院微生物研究所 | Method for culturing aerobic granular sludge for synchronous short-cut nitrification and denitrification of degraded pyridine |
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