CN108408892A - A kind of membrane bioreactor and its sewage treatment process of filler immobilization anaerobic ammonia oxidizing bacteria - Google Patents
A kind of membrane bioreactor and its sewage treatment process of filler immobilization anaerobic ammonia oxidizing bacteria Download PDFInfo
- Publication number
- CN108408892A CN108408892A CN201810480722.XA CN201810480722A CN108408892A CN 108408892 A CN108408892 A CN 108408892A CN 201810480722 A CN201810480722 A CN 201810480722A CN 108408892 A CN108408892 A CN 108408892A
- Authority
- CN
- China
- Prior art keywords
- filler
- membrane bioreactor
- layer
- membrane
- hollow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2853—Anaerobic digestion processes using anaerobic membrane bioreactors
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
- C02F3/307—Nitrification and denitrification treatment characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
Abstract
The present invention relates to a kind of membrane bioreactors and its sewage treatment process of filler immobilization anaerobic ammonia oxidizing bacteria, the membrane bioreactor includes the membrane bioreactor ontology equipped with hollow cavity, hollow-fibre membrane is equipped in the membrane bioreactor ontology, the hollow-fibre membrane can draw the water body in the cavity of membrane bioreactor；It is additionally provided with packing layer in the cavity of the membrane bioreactor ontology.The present invention is coupled by immobilization technology with Anammox technology, the ammonia nitrogen in waste water can be effectively removed, either the sludge-digestion liquid of the municipal wastewater of low-concentration ammonia-nitrogen or ammonia nitrogen in high density can use, it is fast that the membrane bioreactor starts the time, low energy consumption, without additional medicament expense, and can high-efficiency sieve select anaerobic ammonia oxidizing bacteria kind.
Description
Technical field
The invention belongs to the technical fields that ammonia nitrogen waste water in environmental project is handled, and in particular to a kind of filler immobilization anaerobism
The membrane bioreactor and its sewage treatment process of ammonia oxidation bacteria are fixed anaerobic ammonia oxidizing bacteria using immobilized microorganism technology
Anaerobic ammonium oxidation system is formed after packing layer to ammonia nitrogen in degrading waste water.
Background technology
Sewage water denitrification technique has physico-chemical process and bioanalysis, wherein physico-chemical process mainly has air stripping method, selective ion to hand over
Change method, break point chlorination, ammonium phosphate magnesium processes.Rapidly and efficiently, but chemical consumption is huge for the denitrogenation of materialization technology, high
Expense and being also easy to produce secondary pollution problems makes it expose unsustainable defect.Relative to physico-chemical process, bioanalysis has
A variety of advantages such as easy to operate, effect stability, processing cost are low, secondary pollution is few, at present wastewater treatment in China factory generally use
Bioanalysis denitrogenation.A few days ago, China mainly carries out sewage disposal using traditional bio-denitrification technology, and the technology is to nitrify-anti-nitre
Based on changing principle, there are high energy consumptions (needing largely to be aerated to complete to nitrify) and high medicine consumption (to add the organic matters such as methanol for itself
To complete denitrification) the deficiencies of, unsustainable property has increasingly been exposed.Anammox is as a kind of novel biological dinitrification work
Skill, by the special physiological metabolic mechanism of anaerobic ammonia oxidizing bacteria, compared to the electricity that traditional biological denitrification process can save 50%
Can and 100% organic carbon source, and reduce 90% excess sludge production, for sewage treatment plant realize Energy Sources Equilibrium even the energy
Surplus provides feasibility.The main problem that anaerobic ammonia oxidation process faces is that anaerobic ammonia oxidizing bacteria is slow-growing, sludge loss
Seriously, anaerobic ammonia oxidizing bacteria is caused to be difficult to effectively withhold in reactor.How to obtain enough anaerobic ammonia oxidizing bacterias is to realize simultaneously
Maintain the major technology bottleneck of stable anaerobic ammonium oxidation process.It the advantages of using immobilized microorganism technology, can be by anaerobism ammonia
Oxidation bacteria is fixed, and the capacity of resisting impact load of strain is effectively improved.It is discharged characteristic using the distinctive film of membrane bioreactor,
Hydraulic detention time and sludge retention time are separated, sludge retention rate is higher than 90%, will greatly increase anaerobic ammonia oxidizing bacteria
Retention.
For anaerobic ammonia oxidation process, the operation of the reactors such as UASB, SBR, IC, EGSB is commonly used.These reactor waterpower are stopped
Stay the time identical as sludge retention time, there are the miscellaneous bacterias such as shorter nitrococcus, nitrifier of a large amount of generation times in reactor
Matrix is competed with anaerobic ammonia oxidizing bacteria, increases the fluctuation of service of reactor.Therefore, how to enable anaerobic ammonia oxidizing bacteria
Nitrogen in enough steady removal waste water, has huge technology and commercial Application valence for high-performance bio denitrogenation of waste water field
Value.
Invention content
It is an object of the invention to overcome the determination of the prior art, a kind of film of filler immobilization anaerobic ammonia oxidizing bacteria is provided
Bioreactor and its sewage treatment process, the membrane bioreactor include the membrane bioreactor sheet equipped with hollow cavity
Body is equipped with hollow-fibre membrane in the membrane bioreactor ontology, and the hollow-fibre membrane can be by the cavity of membrane bioreactor
In water body draw；It is additionally provided with packing layer in the cavity of the membrane bioreactor ontology.The present invention is in single reactor, profit
The nitrogen in waste water is removed with the anaerobic ammonia oxidizing bacteria being fixed in packing layer, there is good removal effect for nitrogen,
Without adding carbon source, while reducing energy consumption caused by aeration.
The present invention is achieved by the following technical solutions：
First aspect present invention provides a kind of membrane bioreactor of filler immobilization anaerobic ammonia oxidizing bacteria, including is equipped with
The membrane bioreactor ontology of cavity body is equipped with hollow-fibre membrane, the hollow-fibre membrane in the membrane bioreactor ontology
Water body in the cavity of membrane bioreactor can be drawn；It is additionally provided with packing layer in the cavity of the membrane bioreactor ontology.
The membrane bioreactor leads to nitrogen, argon gas or Ar/CO by porous aeration tube to inside reactor2Gaseous mixture
(95:5)。
The porous aeration tube can be connected with the gas cylinder equipped with flowmeter, and the dissolving of inside reactor is adjusted by flowmeter
Oxygen concentration, gas can be discharged by the exhaust pipe on detachable closing cap.
Preferably, further include in following technical characteristic at least one of：
1) total volume of packing layer is 10~20% of sewage volume in membrane bioreactor, such as 10~15% or 15~
20%；
2) filler material of packing layer is zeolite, non-woven fabrics, polyethylene or polyurethane；
3) described filler layer be composite filling layer, the composite filling layer according to the hollow-fibre membrane extending direction successively
Including filler upper layer, filler middle level and filler lower layer, the filler material of adjacent layer differs；The extension side of the hollow-fibre membrane
To referring to opposite with hollow-fibre membrane water body lead direction.
4) anaerobic ammonia oxidizing bacteria is equipped in packing layer, the anaerobic ammonia oxidizing bacteria in packing layer is that the anaerobism after domestication is dirty
Mud, for by sewage nitrite nitrogen and mineralized nitrogen be nitrogen and nitrate nitrogen, municipal sewage plant can be derived from；
5) described filler layer is equipped with doughnut membrane channels, and the hollow-fibre membrane is set to the doughnut membrane channels；
6) material of hollow-fibre membrane is Kynoar, polypropylene, ceramics or cellular glass；
7) the retention aperture of hollow-fibre membrane is 0.02~0.22 μm, such as 0.02~0.1 μm, 0.1~0.15 μm or 0.15
~0.22 μm；
8) hollow-fibre membrane includes multiple hollow fiber film assemblies being connected in parallel；
9) lower section of the hollow-fibre membrane is equipped with porous aeration tube；
10) further include temperature probe and liquid level for monitoring membrane bioreactor internal temperature level probe；
11) side wall of membrane bioreactor ontology is equipped with water inlet pipe, and the water inlet pipe is set to the side wall by packing layer,
Inlet valve can be equipped on water inlet pipe；
12) further include holder for being fixed on described filler layer in the membrane bioreactor chamber body；It is described
Holder can be three layers of stainless steel annulus；
13) top of membrane bioreactor ontology is equipped with detachable closing cap；
14) membrane bioreactor further includes water bath with thermostatic control layer, and the water bath with thermostatic control layer is wrapped in the membrane bioreaction
It answers device sheet external, membrane bioreactor is made to be in temperature constant state；The water bath with thermostatic control layer can be connected with temperature control device, pass through temperature control
Device adjusts the temperature of inside reactor, and the flowing of recirculated water is carried out by water inlet pipe, the outlet pipe on water-bath layer side wall.
It is highly preferred that feature 3) in, further include at least one in following technical characteristic：
1) volume ratio on filler upper layer, filler middle level and filler lower layer is 0.4:1:0.4~0.6:1:0.6, such as 0.4:1:
0.4~0.5:1:0.5 or 0.5:1:0.5~0.6:1:0.6；
2) thickness on filler upper layer is 1~2cm, such as 1~1.5cm or 1.5~2cm；
3) thickness in filler middle level is 3~5cm, such as 3~4.2cm or 4.2~5cm；
4) thickness of filler lower layer is 1~2cm, such as 1~1.5cm or 1.5~2cm；
5) filler material on filler upper layer is zeolite, non-woven fabrics, polyethylene or polyurethane；
6) filler material in filler middle level is zeolite, non-woven fabrics, polyethylene or polyurethane；
7) filler material of filler lower layer is zeolite, non-woven fabrics, polyethylene or polyurethane.
It is highly preferred that feature 13) in, further include at least one in following technical characteristic：
1) the detachable closing cap is additionally provided with exhaust pipe；Drain tap can be equipped on exhaust pipe；
2) membrane bioreactor further includes for described filler layer to be fixed in the membrane bioreactor ontology
Holder in chamber, the holder are connect with the inner wall of the detachable closing cap；
3) hollow-fibre membrane is located on the detachable closing cap.
It is highly preferred that feature 14) in, the side wall of water bath with thermostatic control layer is equipped with water bath with thermostatic control layer water inlet pipe and water bath with thermostatic control layer
Outlet pipe, the outlet pipe are set to the top of the water inlet pipe.On water bath with thermostatic control layer water inlet pipe can be equipped with water bath with thermostatic control layer into
Penstock can be equipped with water bath with thermostatic control layer flowing water Valve on water bath with thermostatic control layer outlet pipe.
Preferably, further include mixing component, the mixing component is located at the lower section of the porous aeration tube.
It is highly preferred that the mixing component is stirrer.
Even more preferably, further include magnetic stirring apparatus, the membrane bioreactor ontology is set to the magnetic agitation
On device.
Second aspect of the present invention provides a kind of sewage disposal of the membrane bioreactor of filler immobilization anaerobic ammonia oxidizing bacteria
Technique, to carry out sewage disposal, the sewage disposal by the membrane bioreactor of above-mentioned filler immobilization anaerobic ammonia oxidizing bacteria
Technique includes the following steps：Sewage enters membrane bioreactor ontology and is stirred, and then passes through packing layer, finally by hollow
Tunica fibrosa is discharged.
Preferably, further include in following technical characteristic at least one of：
1) in sewage the volatile suspended matter concentration of the anaerobic ammonia oxidizing bacteria of total nitrogen load and packing layer ratio be 0.5~
2.2:1gN/gVSS-day；, such as 0.5~1.5:1gN/gVSS-day or 1.5~2.2:1gN/gVSS-day；Such as water inlet daily
Total nitrogen load is 2000mg/L, then a concentration of 0.91~4g/L of the volatile suspended matter of the anaerobic ammonia oxidizing bacteria of packing layer；
2) dissolved oxygen concentration is 0~0.5mg/L, such as 0~0.2mg/L or 0.2~0.5mg/L；PH is without adjusting.
Compared with prior art, the present invention one of at least has the advantages that：
1. the membrane bioreactor using filler immobilization anaerobic ammonia oxidizing bacteria provided by the invention must can be removed effectively
Ammonia nitrogen in water, the startup time is fast, the startup that whole process autotrophic denitrification reacts can be completed in 16 day time, compared to current
The invention startup time reduces half in domestic and foreign literature；
2. the present invention uses filler immobilization technology, to microorganism nontoxicity, the anaerobism ammonia oxygen being fixed therein can be made
Change adaptability and anti-load-bearing capacity of the bacterium raising to external environment, it is preferred to use composite filling layer, fixed effect is more preferably；Due to detesting
Anaerobic ammonium oxidation bacterium is very sensitive for substrate concentration, and in currently available technology, free nitrous acid and free ammonia are to detesting in water body
The influence of anaerobic ammonium oxidation bacterium is very big, and the reactor of the present invention can reduce its operation expense；
3. the membrane bioreactor that the present invention uses can greatly increase the rejection of anaerobic ammonia oxidizing bacteria, at the same provide compared with
Low hydraulic detention time and higher sludge retention time, this has significant side for the efficient startup at reactor initial stage
It helps；
4. the present invention is compared with traditional nitrification-denitrification biological denitrification process, using carbon dioxide as carbon source, consumption temperature
Room gas is not necessarily to additional carbon；
5. the present invention compares traditional handicraft, it is no longer necessary to consume a large amount of energy and be aerated, only need to control dissolved oxygen exists
Under lower concentration complete Anammox, at present in conventional nitration aerobic denitrification traditional handicraft dissolved oxygen concentration model
It is trapped among 2~6mg/L, and dissolved oxygen concentration is 0~0.5mg/L in this patent；
6. the present invention uses immobilization technology, filler mass transfer effect to be better than conventional particles sludge, and can be according to water inlet
Ammonia nitrogen concentration adjusts filler sizes, so that oxygen and matrix is entered reaction zone and more easily controls.
Description of the drawings
Fig. 1 is the structural schematic diagram of the membrane bioreactor of filler immobilization anaerobic ammonia oxidizing bacteria of the present invention.
Reference numeral：
The detachable closing caps of 1-；2- holders；3- temperature probe 4- hollow-fibre membranes；5- exhaust pipes；6- is vented
Valve；7- level probes；8- membrane bioreactor ontologies；9- water bath with thermostatic control layers；10- water bath with thermostatic control layer outlet pipes；11-
Water bath with thermostatic control layer flowing water Valve；12- fillers upper layer；13- fillers middle level；14- fillers lower layer；The porous aeration tubes of 15-；16-
Stirrer；17- magnetic stirring apparatus；18- water bath with thermostatic control layer inlet valves；19- water bath with thermostatic control layer water inlet pipes；20- inlet valves
Door；21- water inlet pipes；22- packing layers；23- doughnut membrane channels.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this specification below by way of specific specific example
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
It should be clear that in the following example not specifically dated process equipment or device be all made of conventional equipment in the art or
Device.
In addition, it should also be understood that, one or more method and step mentioned in the present invention does not repel before and after the combination step
It can also be inserted into other methods step there may also be other methods step or between these explicitly mentioned steps, unless separately
It is described；It should also be understood that the combination connection relation between one or more equipment/device mentioned in the present invention is not repelled
The front and back two equipment/devices specifically mentioned there may also be other equipment/device or at these of the unit equipment/device it
Between can also be inserted into other equipment/device, unless otherwise indicated.Moreover, unless otherwise indicated, the number of various method steps is only
Differentiate the convenient tool of various method steps, rather than to limit the ordering of various method steps or limiting the enforceable model of the present invention
It encloses, relativeness is altered or modified, and without material changes in technical content, when being also considered as, the present invention is enforceable
Scope.
Embodiment 1
A kind of membrane bioreactor of filler immobilization anaerobic ammonia oxidizing bacteria, as shown in Figure 1, including being equipped with hollow cavity
Membrane bioreactor ontology 8 is equipped with hollow-fibre membrane 4 in the membrane bioreactor ontology 8, and material is polyvinyl fluoride, described
Hollow-fibre membrane includes multiple hollow fiber film assemblies being connected in parallel, and the retention aperture of hollow-fibre membrane is 0.02 μm, described
Hollow-fibre membrane 4 can draw the water body in the cavity of membrane bioreactor 8；In the cavity of the membrane bioreactor ontology 8
Be additionally provided with packing layer 22, described filler layer is composite filling layer, the composite filling layer according to the hollow-fibre membrane 4 extension side
To including successively filler upper layer 12, filler middle level 13 and filler lower layer 14, the filler material of adjacent layer differs, in packing layer 22
Equipped with anaerobic ammonia oxidizing bacteria, the anaerobic ammonia oxidizing bacteria in packing layer 22 is the anaerobic sludge after domestication, and being used for will be in sewage
Nitrite nitrogen and mineralized nitrogen be nitrogen and nitrate nitrogen, described filler layer be equipped with doughnut membrane channels 23, the hollow fibre
It ties up film and is set to the doughnut membrane channels 23, the lower section of the hollow-fibre membrane 4 is equipped with porous aeration tube 15, passes through porous exposure
Tracheae 15 leads to nitrogen, argon gas or Ar/CO to inside reactor2Gaseous mixture (95:5), the porous aeration tube 15 can with equipped with
The gas cylinder of flowmeter is connected, and the dissolved oxygen concentration of inside reactor is adjusted by flowmeter；Further include for monitoring membrane bioreaction
Answer the temperature probe 3 of device internal temperature and the level probe 7 of liquid level, the level probe 7 of the temperature probe 3 and liquid level runs through institute
State detachable closing cap 1；The side wall of membrane bioreactor ontology 8 is equipped with water inlet pipe 21, and the water inlet pipe 21, which is set to, to be filled out
The side wall on 22 side of the bed of material, water inlet pipe 21 are equipped with inlet valve 20；Further include for described filler layer 22 to be fixed on the film
Holder 2 in 8 inner cavity of bioreactor ontology, the holder 2 are three layers of stainless steel annulus, are fixed on the detachable closing
On lid 1；The top of membrane bioreactor ontology 8 is equipped with detachable closing cap 1；1 row of being additionally provided with of detachable closing cap
Tracheae 5, exhaust pipe are equipped with drain tap 6；The holder 2 is connect with the inner wall of the detachable closing cap 1；It is described hollow
Tunica fibrosa 4 is located on the detachable closing cap 1；The membrane bioreactor further includes water bath with thermostatic control layer 9, the thermostatted water
Bath layer 9 is wrapped in outside the membrane bioreactor ontology 8, so that reactor is in temperature constant state, is set on the side wall of water bath with thermostatic control layer 9
There are water bath with thermostatic control layer water inlet pipe 19 and water bath with thermostatic control layer outlet pipe 10, the outlet pipe 10 to be set to the top of the water inlet pipe 19,
Water bath with thermostatic control layer water inlet pipe is equipped with water bath with thermostatic control layer inlet valve 18, and water bath with thermostatic control can be equipped on water bath with thermostatic control layer outlet pipe
Layer flowing water Valve 11；Further include mixing component, the mixing component is located at the lower section of the porous aeration tube 15, the mixing part
Part is stirrer 16, further includes magnetic stirring apparatus 17, and the membrane bioreactor ontology 8 is set on the magnetic stirring apparatus 17.
The total volume of packing layer 22 is 20% of sewage volume in membrane bioreactor in the present embodiment；Filler upper layer 12
Thickness is 1cm；The thickness in filler middle level 13 is 2.5cm；The thickness of filler lower layer 14 is 1cm；Filler upper layer 12, filler middle level 13
Volume ratio with filler lower layer 14 is 0.4:1:0.4；The filler material on filler upper layer 12 is polyethylene；The filler in filler middle level 13
Material is polyurethane；The filler material of filler lower layer 14 is polyethylene；The anaerobic ammonia oxidizing bacteria of packing layer 22 is after domestication
Anaerobic sludge, for by sewage nitrite nitrogen and mineralized nitrogen be nitrogen and nitrate nitrogen, municipal sewage plant can be derived from.
Using the Membrane Bioreactor for Wastewater Treatment low ratio of carbon to ammonium of filler immobilization anaerobic ammonia oxidizing bacteria of the present invention, high ammonia nitrogen is useless
Water, such as treatment of advanced stage landfill leachate or excess sludge digestive juice, influent ammonium concentration are about 900mg/L, and COD is about 1000mg/L,
C/N ratios are about 1.11, are stirred into membrane bioreactor ontology 8, then pass through packing layer 22, finally by doughnut
Film 4 is discharged.
Dissolved oxygen concentration is 0~0.2mg/L, and hydraulic detention time is set as 34 hours, the volatility of anaerobic ammonia oxidizing bacteria
Concentration of suspension is 0.6g/L, and the ratio of the volatile suspended matter concentration of total nitrogen load and anaerobic ammonia oxidizing bacteria is 1.5 in sewage:
1gN/gVSS-day。
Reactor start-up the first two ten days in the present embodiment, waste water will dilute before entering the reactor, from 50mg/L to
800mg/L influent concentrations incremented by successively.It is about 10mg/L that ammonia nitrogen concentration is discharged after 20 days, and the variation of COD concentration is little.
Reactor normal operation includes step in the present embodiment：(1) intake pump is opened, from water inlet pipe continuum micromeehanics, magnetic force
Stirring is opened；(2) aerating system starts, and porous aeration tube starts to be filled with Ar/CO into reactor2Gaseous mixture (95:5)；(3) liquid
Position is discharged from outlet pipe automatically after reaching specified altitude assignment.
If if reactor operational process nitrite concentration should maintain 50mg/L hereinafter, nitrous acid in the present embodiment
Salinity is increased beyond 100mg/L, closes aerating system immediately, while diluting water inlet, until nitrite concentration restores normal.
Embodiment 2
A kind of membrane bioreactor of filler immobilization anaerobic ammonia oxidizing bacteria, as shown in Figure 1, including being equipped with hollow cavity
Membrane bioreactor ontology 8 is equipped with hollow-fibre membrane 4 in the membrane bioreactor ontology 8, and material is polypropylene, in described
Empty fiber membrane includes multiple hollow fiber film assemblies being connected in parallel, and the retention aperture of hollow-fibre membrane is 0.1 μm, described hollow
Tunica fibrosa 4 can draw the water body in the cavity of membrane bioreactor 8；It is also set in the cavity of the membrane bioreactor ontology 8
Have a packing layer 22, described filler layer is composite filling layer, the composite filling layer according to the hollow-fibre membrane 4 extending direction according to
Secondary includes filler upper layer 12, filler middle level 13 and filler lower layer 14, and the filler material of adjacent layer is differed, is equipped in packing layer 22
Anaerobic ammonia oxidizing bacteria, the anaerobic ammonia oxidizing bacteria in packing layer 22 are the anaerobic sludge after domestication, for by the Asia in sewage
Nitrate nitrogen and mineralized nitrogen are nitrogen and nitrate nitrogen, and described filler layer is equipped with doughnut membrane channels 23, the hollow-fibre membrane
Set on the doughnut membrane channels 23, the lower section of the hollow-fibre membrane 4 is equipped with porous aeration tube 15, passes through porous aeration tube
15 lead to nitrogen, argon gas or Ar/CO to inside reactor2Gaseous mixture (95:5), the porous aeration tube 15 can with equipped with flow
The gas cylinder of meter is connected, and the dissolved oxygen concentration of inside reactor is adjusted by flowmeter；Further include for monitoring membrane bioreactor
The level probe 7 of the temperature probe 3 of internal temperature and the level probe 7 of liquid level, the temperature probe 3 and liquid level can described in
Detachable closing cap 1；The side wall of membrane bioreactor ontology 8 is equipped with water inlet pipe 21, and the water inlet pipe 21 is set to packing layer
The side wall on 22 sides, water inlet pipe 21 are equipped with inlet valve 20；Further include for described filler layer 22 to be fixed on the film biology
Holder 2 in 8 inner cavity of reactor body, the holder 2 are three layers of stainless steel annulus, are fixed on the detachable closing cap 1
On；The top of membrane bioreactor ontology 8 is equipped with detachable closing cap 1；The detachable closing cap 1 is additionally provided with exhaust pipe
5, exhaust pipe is equipped with drain tap 6；The holder 2 is connect with the inner wall of the detachable closing cap 1；The doughnut
Film 4 is located on the detachable closing cap 1；The membrane bioreactor further includes water bath with thermostatic control layer 9, the water bath with thermostatic control layer
9 are wrapped in outside the membrane bioreactor ontology 8, and reactor is made to be in temperature constant state, and the side wall of water bath with thermostatic control layer 9 is equipped with perseverance
Tepidarium layer water inlet pipe 19 and water bath with thermostatic control layer outlet pipe 10, the outlet pipe 10 are set to the top of the water inlet pipe 19, constant temperature
Water-bath layer water inlet pipe is equipped with water bath with thermostatic control layer inlet valve 18, can go out equipped with water bath with thermostatic control layer on water bath with thermostatic control layer outlet pipe
Penstock 11；Further include mixing component, the mixing component is located at the lower section of the porous aeration tube 15, and the mixing component is
Stirrer 16 further includes magnetic stirring apparatus 17, and the membrane bioreactor ontology 8 is set on the magnetic stirring apparatus 17.
The total volume of packing layer 22 is 10% of sewage volume in membrane bioreactor in the present embodiment；Filler upper layer 12
Thickness is 1.5cm；The thickness in filler middle level 13 is 3cm；The thickness of filler lower layer 14 is 1.5cm；Filler upper layer 12, filler middle level
13 and filler lower layer 14 volume ratio be 0.5:1:0.5；The filler material on filler upper layer 12 is polyurethane；Filler middle level 13 is filled out
Material material is non-woven fabrics；The filler material of filler lower layer 14 is polyurethane；The anaerobic ammonia oxidizing bacteria of packing layer 22 is by taming
Anaerobic sludge afterwards, for by sewage nitrite nitrogen and mineralized nitrogen be nitrogen and nitrate nitrogen, municipal wastewater can be derived from
Factory.
Using the Membrane Bioreactor for Wastewater Treatment Low Concentration Ammonia Containing Wastewater of filler immobilization anaerobic ammonia oxidizing bacteria of the present invention, such as day
Normal municipal wastewater, influent ammonium concentration are about 40mg/L, and COD is about 160mg/L, and C/N ratios are about 4, into membrane bioreactor
Ontology 8 is stirred, and then passes through packing layer 22, is discharged finally by hollow-fibre membrane 4.
Dissolved oxygen concentration is 0.2~0.5mg/L, and hydraulic detention time is set as 20 hours, the volatilization of anaerobic ammonia oxidizing bacteria
Property concentration of suspension be 0.08g/L, the ratio of the volatile suspended matter concentration of total nitrogen load and anaerobic ammonia oxidizing bacteria is in sewage
0.5:1gN/gVSS-day。
The present embodiment meaning Low Concentration Ammonia Containing Wastewater refers to that reactor start-up is straight in the daily municipal wastewater the present embodiment of simulation
It connects addition and simulates daily waste water, without dilution.It is about 5mg/L that ammonia nitrogen concentration is discharged after five days, and the variation of COD concentration is little.
Reactor normal operation includes step in the present embodiment：(1) intake pump is opened, from water inlet pipe continuum micromeehanics, magnetic force
Stirring is opened；(2) aerating system starts, and porous aeration tube starts to be filled with argon gas into reactor；(3) liquid level reaches specified altitude assignment
It is discharged automatically from outlet pipe afterwards.
If if reactor operational process nitrite concentration should maintain 10mg/L hereinafter, nitrous acid in the present embodiment
Salinity is increased beyond 100mg/L, closes aerating system immediately, while diluting water inlet, until nitrite concentration restores normal.
Embodiment 3
A kind of membrane bioreactor of filler immobilization anaerobic ammonia oxidizing bacteria, as shown in Figure 1, including being equipped with hollow cavity
Membrane bioreactor ontology 8 is equipped with hollow-fibre membrane 4 in the membrane bioreactor ontology 8, and material is ceramics, described hollow
Tunica fibrosa includes multiple hollow fiber film assemblies being connected in parallel, and the retention aperture of hollow-fibre membrane is 0.2 μm, the hollow fibre
Dimension film 4 can draw the water body in the cavity of membrane bioreactor 8；It is additionally provided in the cavity of the membrane bioreactor ontology 8
Packing layer 22, described filler layer be composite filling layer, the composite filling layer according to the hollow-fibre membrane 4 extending direction successively
Including filler upper layer 12, filler middle level 13 and filler lower layer 14, the filler material of adjacent layer differs, and is equipped with and detests in packing layer 22
Anaerobic ammonium oxidation bacterium, the anaerobic ammonia oxidizing bacteria in packing layer 22 are the anaerobic sludge after domestication, for by the nitrous in sewage
State nitrogen and mineralized nitrogen are nitrogen and nitrate nitrogen, and described filler layer is equipped with doughnut membrane channels 23, and the hollow-fibre membrane is set
It is equipped with porous aeration tube 15 in the lower section of the doughnut membrane channels 23, the hollow-fibre membrane 4, passes through porous aeration tube 15
Lead to nitrogen, argon gas or Ar/CO to inside reactor2Gaseous mixture (95:5), the porous aeration tube 15 can with equipped with flowmeter
Gas cylinder be connected, pass through flowmeter adjust inside reactor dissolved oxygen concentration；Further include for monitoring in membrane bioreactor
The level probe 7 of the temperature probe 3 of portion's temperature and the level probe 7 of liquid level, the temperature probe 3 and liquid level is through described removable
Unload formula closing cap 1；The side wall of membrane bioreactor ontology 8 is equipped with water inlet pipe 21, and the water inlet pipe 21 is set to packing layer 22
Other side wall, water inlet pipe 21 are equipped with inlet valve 20；Further include for described filler layer 22 to be fixed on the membrane bioreaction
It is three layers of stainless steel annulus to answer the holder 2 in 8 inner cavity of device ontology, the holder 2, is fixed on the detachable closing cap 1；
The top of membrane bioreactor ontology 8 is equipped with detachable closing cap 1；The detachable closing cap 1 is additionally provided with exhaust pipe 5,
Exhaust pipe is equipped with drain tap 6；The holder 2 is connect with the inner wall of the detachable closing cap 1；The hollow-fibre membrane
4 are located on the detachable closing cap 1；The membrane bioreactor further includes water bath with thermostatic control layer 9, the water bath with thermostatic control layer 9
It is wrapped in outside the membrane bioreactor ontology 8, reactor is made to be in temperature constant state, the side wall of water bath with thermostatic control layer 9 is equipped with perseverance
Tepidarium layer water inlet pipe 19 and water bath with thermostatic control layer outlet pipe 10, the outlet pipe 10 are set to the top of the water inlet pipe 19, constant temperature
Water-bath layer water inlet pipe is equipped with water bath with thermostatic control layer inlet valve 18, can go out equipped with water bath with thermostatic control layer on water bath with thermostatic control layer outlet pipe
Penstock 11；Further include mixing component, the mixing component is located at the lower section of the porous aeration tube 15, and the mixing component is
Stirrer 16 further includes magnetic stirring apparatus 17, and the membrane bioreactor ontology 8 is set on the magnetic stirring apparatus 17.
The total volume of packing layer 22 is 15% of sewage volume in membrane bioreactor in the present embodiment；Filler upper layer 12
Thickness is 2cm；The thickness in filler middle level 13 is 3.3cm；The thickness of filler lower layer 14 is 2cm；Filler upper layer 12, filler middle level 13
Volume ratio with filler lower layer 14 is 0.6:1:0.6；The filler material on filler upper layer 12 is zeolite；The filler material in filler middle level 13
Material is non-woven fabrics；The filler material of filler lower layer 14 is zeolite；The anaerobic ammonia oxidizing bacteria of packing layer 22 is detesting after domestication
Oxygen sludge, for by sewage nitrite nitrogen and mineralized nitrogen be nitrogen and nitrate nitrogen, municipal sewage plant can be derived from.
Using the Membrane Bioreactor for Wastewater Treatment low ratio of carbon to ammonium of filler immobilization anaerobic ammonia oxidizing bacteria of the present invention, high ammonia nitrogen is useless
Water, such as excess sludge pyrohydrolysis digestive juice, influent ammonium concentration is about 600mg/L, and COD is about 500mg/L, and C/N ratios are about
0.83, it is stirred into membrane bioreactor ontology 8, then passes through packing layer 22, be discharged finally by hollow-fibre membrane 4.
Dissolved oxygen concentration is 0~0.2mg/L, and hydraulic detention time is set as 33 hours, the volatility of anaerobic ammonia oxidizing bacteria
Concentration of suspension is 0.27g/L, and the ratio of the volatile suspended matter concentration of total nitrogen load and anaerobic ammonia oxidizing bacteria is 2.2 in sewage:
1gN/gVSS-day。
Reactor start-up the first two ten days in the present embodiment, waste water will dilute before entering the reactor, from 50mg/L to
600mg/L influent concentrations incremented by successively.It is about 10mg/L that ammonia nitrogen concentration is discharged after 20 days, and the variation of COD concentration is little.
Reactor normal operation includes step in the present embodiment：(1) intake pump is opened, from water inlet pipe continuum micromeehanics, magnetic force
Stirring is opened；(2) aerating system starts, and porous aeration tube starts to be filled with nitrogen into reactor；(3) liquid level reaches specified altitude assignment
It is discharged automatically from outlet pipe afterwards.
If if reactor operational process nitrite concentration should maintain 30mg/L hereinafter, nitrous acid in the present embodiment
Salinity is increased beyond 100mg/L, closes aerating system immediately, while diluting water inlet, until nitrite concentration restores normal.
Embodiment 4
A kind of membrane bioreactor of filler immobilization anaerobic ammonia oxidizing bacteria, as shown in Figure 1, including being equipped with hollow cavity
Membrane bioreactor ontology 8 is equipped with hollow-fibre membrane 4 in the membrane bioreactor ontology 8, and material is cellular glass, described
Hollow-fibre membrane includes multiple hollow fiber film assemblies being connected in parallel, and the retention aperture of hollow-fibre membrane is 0.15 μm, described
Hollow-fibre membrane 4 can draw the water body in the cavity of membrane bioreactor 8；In the cavity of the membrane bioreactor ontology 8
It is additionally provided with packing layer 22, anaerobic ammonia oxidizing bacteria is equipped in packing layer 22, the anaerobic ammonia oxidizing bacteria in packing layer 22 is by taming
Anaerobic sludge afterwards, for by sewage nitrite nitrogen and mineralized nitrogen be nitrogen and nitrate nitrogen, during described filler layer is equipped with
Empty fiber membrane channel 23, the hollow-fibre membrane are set to the doughnut membrane channels 23, and the lower section of the hollow-fibre membrane 4 is set
There is porous aeration tube 15, nitrogen, argon gas or Ar/CO are led to inside reactor by porous aeration tube 152Gaseous mixture (95:5),
The porous aeration tube 15 can be connected with the gas cylinder equipped with flowmeter, and the dissolved oxygen that inside reactor is adjusted by flowmeter is dense
Degree；Further include the level probe 7 of the temperature probe 3 and liquid level for monitoring membrane bioreactor internal temperature, the temperature is visited
Needle 3 and the level probe of liquid level 7 run through the detachable closing cap 1；The side wall of membrane bioreactor ontology 8 is equipped with water inlet
Pipe 21, the water inlet pipe 21 are set to the side wall on 22 side of packing layer, and water inlet pipe 21 is equipped with inlet valve 20；Further include for inciting somebody to action
Described filler layer 22 is fixed on the holder 2 in 8 inner cavity of membrane bioreactor ontology, and the holder 2 is that three layers of stainless steel are justified
Ring is fixed on the detachable closing cap 1；The top of membrane bioreactor ontology 8 is equipped with detachable closing cap 1；Institute
It states detachable closing cap 1 and is additionally provided with exhaust pipe 5, exhaust pipe is equipped with drain tap 6；The holder 2 with it is described detachable
The inner wall of closing cap 1 connects；The hollow-fibre membrane 4 is located on the detachable closing cap 1；The membrane bioreactor is also
Including water bath with thermostatic control layer 9, the water bath with thermostatic control layer 9 is wrapped in outside the membrane bioreactor ontology 8, and reactor is made to be in constant temperature
The side wall of state, water bath with thermostatic control layer 9 is equipped with water bath with thermostatic control layer water inlet pipe 19 and water bath with thermostatic control layer outlet pipe 10, the outlet pipe
10 are set to the top of the water inlet pipe 19, and water bath with thermostatic control layer water inlet pipe is equipped with water bath with thermostatic control layer inlet valve 18, water bath with thermostatic control
It can be equipped with water bath with thermostatic control layer flowing water Valve 11 on layer outlet pipe；Further include mixing component, the mixing component is located at described more
The lower section of hole aeration tube 15, the mixing component are stirrer 16, further include magnetic stirring apparatus 17, the membrane bioreactor sheet
Body 8 is set on the magnetic stirring apparatus 17.
The total volume of packing layer 22 is 20% of sewage volume in membrane bioreactor in the present embodiment；The filler of packing layer
Material is polyurethane；The anaerobic ammonia oxidizing bacteria of packing layer 22 is the anaerobic sludge after domestication, is used for the nitrous in sewage
State nitrogen and mineralized nitrogen are nitrogen and nitrate nitrogen, can be derived from municipal sewage plant.
Using the Membrane Bioreactor for Wastewater Treatment low ratio of carbon to ammonium of filler immobilization anaerobic ammonia oxidizing bacteria of the present invention, high ammonia nitrogen is useless
Water, such as excess sludge pyrohydrolysis digestive juice, influent ammonium concentration is about 500mg/L, and COD is about 400mg/L, and C/N ratios are about
0.8, it is stirred into membrane bioreactor ontology 8, then passes through packing layer 22, be discharged finally by hollow-fibre membrane 4.
Dissolved oxygen concentration is 0.2~0.5mg/L, and hydraulic detention time is set as 48 hours, the volatilization of anaerobic ammonia oxidizing bacteria
Property concentration of suspension be 2g/L, the ratio of the volatile suspended matter concentration of total nitrogen load and anaerobic ammonia oxidizing bacteria is 0.5gN/ in sewage
gVSS-day。
Reactor start-up first three ten days in the present embodiment, waste water will dilute before entering the reactor, from 50mg/L to
500mg/L influent concentrations incremented by successively.It is about 20mg/L that ammonia nitrogen concentration is discharged after 30 days, and the variation of COD concentration is little.
Reactor normal operation includes step in the present embodiment：(1) intake pump is opened, from water inlet pipe continuum micromeehanics, magnetic force
Stirring is opened；(2) aerating system starts, and porous aeration tube starts to be filled with nitrogen into reactor；(3) liquid level reaches specified altitude assignment
It is discharged automatically from outlet pipe afterwards.
If if reactor operational process nitrite concentration should maintain 20mg/L hereinafter, nitrous acid in the present embodiment
Salinity is increased beyond 50mg/L, closes aerating system immediately, while diluting water inlet, until nitrite concentration restores normal.
Operation principle
Membrane bioreactor provided by the invention includes two parts：(1) it stirs evenly, it can be with independent control hydraulic retention
The membrane bioreactor shell of time and sludge age；(2) packing layer of internal fixed anaerobic ammonia oxidizing bacteria.
Core of the invention is anaerobic ammonia oxidizing bacteria being fixed on membrane bioreactor with a best space structure
It is internal.Anaerobic ammonia oxidizing bacteria is fixed on reactor stage casing region by fillers such as zeolite, non-woven fabrics, polyethylene or polyurethane.
Also, the presence of packing layer reduces the sensibility that anaerobic ammonia oxidizing bacteria changes outside environmental elements so that reactor can be
Continue stable operation in the case of by foreign impacts load, temperature change, dissolved oxygen variation.
Reaction principle：Under limited oxygen condition, the anaerobic ammonia oxidizing bacteria of packing layer is fixed on by part ammonium oxidation into nitrous
State nitrogen, using the nitrite nitrogen of generation as electron acceptor, carbon dioxide reacts with remaining ammonia nitrogen as inorganic carbon source and generates nitrogen
With a small amount of nitrate.Preferably, packing layer is composite filling layer, is become to the gradient that ammonia nitrogen concentration is formed by composite filling layer
Change, can make anaerobic ammonia oxidizing bacteria under large range of ammonia nitrogen concentration, can maximum activity be kept to be reacted.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of membrane bioreactor of filler immobilization anaerobic ammonia oxidizing bacteria, which is characterized in that include equipped with hollow cavity
Membrane bioreactor ontology (8) is equipped with hollow-fibre membrane (4), the hollow-fibre membrane in the membrane bioreactor ontology (8)
(4) water body in the cavity of membrane bioreactor (8) can be drawn；It is also set in the cavity of the membrane bioreactor ontology (8)
There is packing layer (22).
2. membrane bioreactor as described in claim 1, which is characterized in that further include at least one in following technical characteristic
：
1) total volume of packing layer (22) is 10~20% of sewage volume in membrane bioreactor；
2) filler material of packing layer is zeolite, non-woven fabrics, polyethylene or polyurethane；
3) described filler layer be composite filling layer, the composite filling layer according to the hollow-fibre membrane (4) extending direction successively
It is differed including filler upper layer (12), filler middle level (13) and filler lower layer (14), the filler material of adjacent layer；
4) anaerobic ammonia oxidizing bacteria is equipped in packing layer (22), the anaerobic ammonia oxidizing bacteria in packing layer (22) is detesting after domestication
Oxygen sludge, for by sewage nitrite nitrogen and mineralized nitrogen be nitrogen and nitrate nitrogen；
5) described filler layer is equipped with doughnut membrane channels (23), and the hollow-fibre membrane is set to the doughnut membrane channels
(23)；
6) material of hollow-fibre membrane is Kynoar, polypropylene, ceramics or cellular glass；
7) the retention aperture of hollow-fibre membrane is 0.02~0.22 μm；
8) hollow-fibre membrane includes multiple hollow fiber film assemblies being connected in parallel；
9) lower section of the hollow-fibre membrane (4) is equipped with porous aeration tube (15)；
10) further include level probe (7) for monitoring the temperature probe of membrane bioreactor internal temperature (3) and liquid level；
11) side wall of membrane bioreactor ontology (8) is equipped with water inlet pipe (21), and the water inlet pipe (21) is set to packing layer
(22) other side wall；
12) further include holder for being fixed on described filler layer (22) in membrane bioreactor ontology (8) inner cavity
(2)；
13) top of membrane bioreactor ontology (8) is equipped with detachable closing cap (1)；
14) membrane bioreactor further includes water bath with thermostatic control layer (9), and the water bath with thermostatic control layer (9) is wrapped in the film biology
Reactor body (8) is outside.
3. membrane bioreactor as claimed in claim 2, which is characterized in that feature 3) in, further include in following technical characteristic
At least one of：
1) volume ratio of filler upper layer (12), filler middle level (13) and filler lower layer (14) is 0.4:1:0.4~0.6:1:0.6；
2) thickness of filler upper layer (12) is 1~2cm；
3) thickness of filler middle level (13) is 3~5cm；
4) thickness of filler lower layer (14) is 1~2cm；
5) filler material of filler upper layer (12) is zeolite, non-woven fabrics, polyethylene or polyurethane；
6) filler material of filler middle level (13) is zeolite, non-woven fabrics, polyethylene or polyurethane；
7) filler material of filler lower layer (14) is zeolite, non-woven fabrics, polyethylene or polyurethane.
4. membrane bioreactor as claimed in claim 2, which is characterized in that feature 13) in, further include in following technical characteristic
At least one of：
1) the detachable closing cap (1) is additionally provided with exhaust pipe (5)；
2) membrane bioreactor further includes for described filler layer (22) to be fixed on the membrane bioreactor ontology (8)
Holder (2) in inner cavity, the holder (2) connect with the inner wall of the detachable closing cap (1)；
3) hollow-fibre membrane (4) is located on the detachable closing cap (1).
5. membrane bioreactor as claimed in claim 2, which is characterized in that feature 14) in, the side wall of water bath with thermostatic control layer (9)
It is equipped with water bath with thermostatic control layer water inlet pipe (19) and water bath with thermostatic control layer outlet pipe (10), the outlet pipe (10) is set to the water inlet pipe
(19) top.
6. membrane bioreactor as described in claim 1, which is characterized in that further include mixing component, the mixing component position
In the lower section of the porous aeration tube (15).
7. membrane bioreactor as claimed in claim 6, which is characterized in that the mixing component is stirrer (16).
8. membrane bioreactor as claimed in claim 7, which is characterized in that further include magnetic stirring apparatus (17), the film life
Object reactor body (8) is set on the magnetic stirring apparatus (17).
9. a kind of sewage treatment process of the membrane bioreactor of filler immobilization anaerobic ammonia oxidizing bacteria, which is characterized in that be logical
The membrane bioreactor for crossing claim 1 to 8 any one of them filler immobilization anaerobic ammonia oxidizing bacteria carries out sewage disposal, institute
Sewage treatment process is stated to include the following steps：Sewage enters membrane bioreactor ontology (8) and is stirred, and then passes through packing layer
(22), it is discharged finally by hollow-fibre membrane (4).
10. sewage treatment process as claimed in claim 9, which is characterized in that further include at least one in following technical characteristic
：
1) ratio of the volatile suspended matter concentration of the anaerobic ammonia oxidizing bacteria of total nitrogen load and packing layer is 0.5~2.2 in sewage:
1gN/gVSS-day；
2) dissolved oxygen concentration is 0~0.5mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810480722.XA CN108408892A (en) | 2018-05-18 | 2018-05-18 | A kind of membrane bioreactor and its sewage treatment process of filler immobilization anaerobic ammonia oxidizing bacteria |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810480722.XA CN108408892A (en) | 2018-05-18 | 2018-05-18 | A kind of membrane bioreactor and its sewage treatment process of filler immobilization anaerobic ammonia oxidizing bacteria |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108408892A true CN108408892A (en) | 2018-08-17 |
Family
ID=63140000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810480722.XA Pending CN108408892A (en) | 2018-05-18 | 2018-05-18 | A kind of membrane bioreactor and its sewage treatment process of filler immobilization anaerobic ammonia oxidizing bacteria |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108408892A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354173A (en) * | 2018-12-05 | 2019-02-19 | 青岛思普润水处理股份有限公司 | A kind of CANON system and operation method based on MBBR |
| CN111892161A (en) * | 2020-08-07 | 2020-11-06 | 同济大学 | Method for rapidly starting anaerobic ammonia oxidation by using inorganic composite powder carrier |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302059A (en) * | 2008-06-24 | 2008-11-12 | 大连理工大学 | Inverted denitrification process film bioreactor |
| CN102219298A (en) * | 2010-03-12 | 2011-10-19 | 三菱丽阳株式会社 | biological treating device and biological treating method |
| CN103241903A (en) * | 2013-05-22 | 2013-08-14 | 北京工业大学 | Device and method for treating low-carbon nitrogen sewage in synchronous anaerobic ammonia oxidation and anaerobic methane oxidation mode |
| WO2013185350A1 (en) * | 2012-06-15 | 2013-12-19 | 乐金电子研发中心(上海)有限公司 | Internal-circulation aeration anammox-membrane bioreactor |
| CN105236568A (en) * | 2015-08-07 | 2016-01-13 | 北京大学 | Method for running anammox by utilizing microbial immobilization membrane bioreactor |
| CN107935183A (en) * | 2017-12-27 | 2018-04-20 | 山东太平洋环保股份有限公司 | A kind of high-efficiency biological denitrification reactor and process for treating high ammonia nitrogen waste water |
| CN208500502U (en) * | 2018-05-18 | 2019-02-15 | 同济大学 | A kind of membrane bioreactor of filler immobilization anaerobic ammonia oxidizing bacteria |
-
2018
- 2018-05-18 CN CN201810480722.XA patent/CN108408892A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302059A (en) * | 2008-06-24 | 2008-11-12 | 大连理工大学 | Inverted denitrification process film bioreactor |
| CN102219298A (en) * | 2010-03-12 | 2011-10-19 | 三菱丽阳株式会社 | biological treating device and biological treating method |
| WO2013185350A1 (en) * | 2012-06-15 | 2013-12-19 | 乐金电子研发中心(上海)有限公司 | Internal-circulation aeration anammox-membrane bioreactor |
| CN103241903A (en) * | 2013-05-22 | 2013-08-14 | 北京工业大学 | Device and method for treating low-carbon nitrogen sewage in synchronous anaerobic ammonia oxidation and anaerobic methane oxidation mode |
| CN105236568A (en) * | 2015-08-07 | 2016-01-13 | 北京大学 | Method for running anammox by utilizing microbial immobilization membrane bioreactor |
| CN107935183A (en) * | 2017-12-27 | 2018-04-20 | 山东太平洋环保股份有限公司 | A kind of high-efficiency biological denitrification reactor and process for treating high ammonia nitrogen waste water |
| CN208500502U (en) * | 2018-05-18 | 2019-02-15 | 同济大学 | A kind of membrane bioreactor of filler immobilization anaerobic ammonia oxidizing bacteria |
Non-Patent Citations (1)
| Title |
|---|
| 朱杰等: "《肉类加工废水生物脱氮工艺过程研究》", 成都：西南交通大学出版社, pages: 78 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354173A (en) * | 2018-12-05 | 2019-02-19 | 青岛思普润水处理股份有限公司 | A kind of CANON system and operation method based on MBBR |
| CN109354173B (en) * | 2018-12-05 | 2023-06-16 | 青岛思普润水处理股份有限公司 | CANON system based on MBBR and operation method |
| CN111892161A (en) * | 2020-08-07 | 2020-11-06 | 同济大学 | Method for rapidly starting anaerobic ammonia oxidation by using inorganic composite powder carrier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wei et al. | Mixed pharmaceutical wastewater treatment by integrated membrane-aerated biofilm reactor (MABR) system–a pilot-scale study | |
| CN103588352B (en) | Two-stage backflow simultaneous nitrogen and phosphorus removal device and technology for denitrification phosphorus removal, shortcut nitrification and anaerobic ammonia oxidation of municipal sewage | |
| CN105540841B (en) | A kind of aerobic/anaerobic biofilter biological denitrification method and device | |
| CN107032506A (en) | It is segmented the apparatus and method that water outlet short distance nitration Anammox/ denitrifications handle sanitary sewage | |
| CN107285466A (en) | The sewage-treatment plant and processing method of bubble-free aeration bioreactor synchronous nitration and denitrification | |
| CN208120817U (en) | A kind of integral type self-supported denitrification reactor of immobilization aerobic ammonia-oxidizing bacteria and anaerobic ammonia oxidizing bacteria | |
| CN106186308A (en) | Integral anaerobic ammonium oxidation granular sludge nitrogen rejection facility and control method thereof | |
| CN106115915A (en) | Low C/N is than the apparatus and method of city domestic sewage short-cut denitrification/short distance nitration Anammox biomembrane process | |
| CN108046423A (en) | A kind of reactor assembly and method for town sewage denitrification of anaerobic ammonium oxidation | |
| CN107162183A (en) | The method of anaerobic ammonia oxidizing bacteria (Anammox) enrichment culture | |
| Corsino et al. | Achieving complete nitrification below the washout SRT with hybrid membrane aerated biofilm reactor (MABR) treating municipal wastewater | |
| CN106865772A (en) | A kind of sewage disposal device and method based on carbon nitrogen energy recovery | |
| CN106830302A (en) | The MBR complete nitrifications bacterium concentrating device and its method of dissolved oxygen Automated condtrol | |
| CN110240260A (en) | A kind of sewage disposal device and method based on biofilm thickness in-situ control | |
| CN104926046A (en) | Micro-electrolytic treatment process for treating acrylic fiber wastewater | |
| CN108862581A (en) | A kind of device and method that AO biomembrane+sludge fermentation coupling denitrification realizes sewage deep denitrogenation synchronous sludge decrement | |
| Zhao et al. | Development of simultaneous nitrification-denitrification and anammox and in-situ analysis of microbial structure in a novel plug-flow membrane-aerated sludge blanket | |
| CN208500502U (en) | A kind of membrane bioreactor of filler immobilization anaerobic ammonia oxidizing bacteria | |
| CN108408892A (en) | A kind of membrane bioreactor and its sewage treatment process of filler immobilization anaerobic ammonia oxidizing bacteria | |
| CN105819567A (en) | Self-circulation anaerobic reactor | |
| CN114212885A (en) | Device and method for treating mainstream domestic sewage with low carbon-nitrogen ratio by two-stage whole-course ammonia oxidation-short-range denitrification anaerobic ammonia oxidation | |
| CN106542636A (en) | A kind of method of quick startup whole process autotrophic denitrification | |
| CN109095727A (en) | A kind of removal of carbon and nitrogen device and method of high ammonia nitrogen low carbon-nitrogen ratio sewage | |
| CN206590950U (en) | A kind of MBR complete nitrification bacterium concentrating devices of dissolved oxygen Automated condtrol | |
| CN111018101B (en) | Membrane biofilm culture domestication process and membrane biofilm reaction device for treating high-salinity wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |