CN106430586A - Enhanced nitrogen-removing A/O flow-separating biochemical pond - Google Patents
Enhanced nitrogen-removing A/O flow-separating biochemical pond Download PDFInfo
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- CN106430586A CN106430586A CN201610960069.8A CN201610960069A CN106430586A CN 106430586 A CN106430586 A CN 106430586A CN 201610960069 A CN201610960069 A CN 201610960069A CN 106430586 A CN106430586 A CN 106430586A
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- refugee
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
Abstract
The invention discloses an enhanced nitrogen-removing A/O flow-separating biochemical pond. The biochemical pond comprises a water distribution region, an anoxic flow-separating biochemical region, an aerobic flow-separating biochemical region and a water collection region, wherein flow-separating balls are placed in the anoxic flow-separating biochemical region and the aerobic flow-separating biochemical region, so that microorganisms can grow in two ways of biological membrane and suspended sludge, and the microorganism concentration and the NH3-N volumetric loading of a reactor can be increased; a reflux pump is arranged in the water collection region, partial effluent from the A/O flow-separating biochemical pond is returned to the water distribution region, and NO3<->-N and a small amount of NO2<->-N are supplied to denitrification and short-cut denitrification in the anoxic flow-separating biochemical region, so that a free NH3<->-N biological inhibiting effect can be reduced; the A/O flow-separating biochemical pond can realize two-stage series connection, and an external carbon source is added into the water distribution region of the A/O flow-separating biological pond, so that the high-concentration ammonia-nitrogen wastewater nitrogen-removing efficiency can be further improved. The enhanced nitrogen-removing A/O flow-separating biochemical pond can be used for solving the problems of poor high-concentration ammonia-nitrogen wastewater quality adaptability and poor treatment effect caused by a biological nitrogen removing method, and reducing cost for treating high-concentration ammonia-nitrogen wastewater.
Description
Technical field
The invention belongs to field of waste water treatment, more particularly, to a kind of strengthened denitrification A/O wanders about as a refugee biochemistry pool.
Background technology
At present, main denitrogenation method has biological denitrificaion, air stripping stripping, break point chlorination and ion exchange etc..Wherein, raw
Thing denitrogenation has the advantages that processing cost is low, operational management is easy, is widely used.Most typical skill in biological denitrificaion method
Art is Prepositive denitrification activated sludge process, i.e. A/O denitrifying activated sludge method.Heterotrophic bacteria in activated sludge, denitrifying bacterium and nitre
Change bacterium mixed growth, form rational microbiological paper method in space reactor, there is water quality bad adaptability, dissociate
NH3The effect of-N biological inhibition is obvious, C/N ratio has high demands, NH3The low problem of-N volumetric loading, constrains biological denitrificaion method in digestion
The high strength ammonias such as sludge liquor, percolate, catalyst manufacturer waste water, meat processing waste water and synthesis ammonia wastewater from chemical industry
Application in nitrogen waste water (more than 500mg/L) process.
Biochemistry of wandering about as a refugee is a kind of New biological membrane method wastewater treatment being combined principle of wandering about as a refugee with bio-contact oxidation mechanism
Technology, no precipitate and separate, excess sludge discharge, sludge reflux and backwash operation process, have volumetric loading height, shock resistance is born
The features such as lotus is strong, water outlet SS concentration is low, organic matter removal effect is good, is to process wastewater processing technology efficient, that management is easy；With
When, according to the change of pollutant component in wastewater treatment process and concentration, the different spaces region of biochemical reactor of wandering about as a refugee can shape
Become to adapt to the microbiological paper method of waste water quality and its Variation Features, improve the adaptability to waste water quality and process effect
Really.On this basis, in conjunction with the principle of A/O denitrogenation, short-cut nitrification and denitrification and synchronous nitration and denitrification, have developed strengthening de-
Nitrogen A/O wanders about as a refugee biochemistry pool, solves biological denitrificaion method and processes high-concentration ammonia nitrogenous wastewater water quality bad adaptability and poor processing effect two side
The problem in face, reduces the cost that high-concentration ammonia nitrogenous wastewater is processed.
Content of the invention
The present invention is to solve biological denitrificaion method to process high-concentration ammonia nitrogenous wastewater water quality bad adaptability and poor processing effect two side
The problem in face, develops a kind of strengthened denitrification A/O and wanders about as a refugee biochemistry pool, improves bio-denitrification technology and processes high-concentration ammonia nitrogenous wastewater
Adaptability and treatment effect, reduce the cost that high-concentration ammonia nitrogenous wastewater is processed.
The present invention is adopted the technical scheme that by solving technical problem present in known technology：
The strengthened denitrification A/O that the present invention provides wanders about as a refugee biochemistry pool, and described strengthened denitrification AO biochemistry pool of wandering about as a refugee is provided with successively
The water distributing area connecting, anoxia are wandered about as a refugee biochemical zone, aerobic biochemical zone of wandering about as a refugee, gathering ground；
Described water distributing area, anoxia wander about as a refugee biochemical zone, aerobic wander about as a refugee biochemical zone and gathering ground junction is equipped with perforated wall, institute
State gathering ground and be provided with effluent recycling device；
Described anoxia is wandered about as a refugee and is all at least provided with four laminar flows from ball in biochemical zone and aerobic biochemical zone of wandering about as a refugee；
Described aerobic biochemical zone of wandering about as a refugee is at least provided with two aeration zones；The bottom of described aerobic biochemical zone of wandering about as a refugee is provided with puts
Blank pipe；
Described effluent recycling device includes reflux pump, effluent recycling pipe, and effluent recycling liquid is back to water distributing area by gathering ground；
, all in gathering ground, water inlet and effluent recycling liquid mix in gathering ground for water inlet pipe water inlet end and effluent recycling pipe water side；
Described water distributing area is provided with flap；Effluent trough is arranged on the top outside gathering ground, and the bottom of effluent trough is arranged out
Water pipe.
Further, the high-concentration ammonia nitrogenous wastewater flowing into described cell body need to work as water inlet through grid, regulating reservoir structures pretreatment
When ammonia nitrogen concentration is more than 1000mg/L, preferably through stripping or stripping pretreatment.
Further, when influent ammonium concentration is more than 500mg/L, wandered about as a refugee biochemistry pool using two-stage series connection A/O；When ammonia nitrogen is dense
Degree is less than 500mg/L, is wandered about as a refugee biochemistry pool using single-stage A/O.
Further, between described cell body Zhong Ge area, the hole area of perforated wall accounts for the 5%～25% of wall area, opens up
Void shape has circle, square, rectangle or rhombus.
Further, described anoxia is wandered about as a refugee and is at least installed four laminar flows from ball in biochemical zone and aerobic biochemical zone of wandering about as a refugee, ball of wandering about as a refugee
A diameter of 8～25cm, including spherical guard and its some fillers being arranged in spherical guard.
Further, at least provided with two aeration zones, each aeration zone adopts ring-type aeration tube for described aerobic biochemical zone of wandering about as a refugee；
Using perforated pipe aerating regulation, or adopt filter, aerator, aeration plate aeration；When using perforated pipe aerating regulation, towards at the bottom of pond, holes
Between angle be 60 DEG C～120 DEG C, and symmetrically open up two-by-two；
Described spherical guard includes：Upper half spherical reticulated shells, buckle, lower half spherical reticulated shells；
Described upper half spherical reticulated shells are linked together with lower half spherical reticulated shells by buckle.
Further, described cell body hydraulic detention time be 8～24h, when using two-stage series connection A/O wander about as a refugee biochemistry pool when waterpower
The time of staying is multiplied；Effluent recycling ratio for 100%～500%, when water inlet C/N is low, the high appropriate to the occasion employing of free ammonia nitrogen concentration
Higher effluent recycling ratio.
Further, the wander about as a refugee water distributing area of biochemistry pool of A/O can add sanitary sewage, methanol or starch solution as external carbon
Source.
Further, cell body is made using ordinary steel, rustless steel, UPVC plate weld, or makes using fiberglass is cementing, or
Formed using concreting.
Further, described reflux pump is provided with flow signal emitter, described flow signal emitter include microprocessor,
Encoder, wave filter and signal emission module；Wherein microprocessor outfan connect encoder input, encoder defeated
Go out the input that end connects wave filter, the outfan of wave filter connects the input of signal emission module；
The transmission function of described wave filter is：CiIt is by layering sequence
Row u, v modulation, u is hierarchical Golay sequence u={ 1,1,1,1,1,1, -1, -1,1, -1,1, -1,1, -1, -1,1 }, v
={ 1,1,1, -1, -1,1, -1, -1,1,1,1, -1,1, -1,1,1 }, C16m+n=unvm；
According to
The Golay sequence pair of layering transfers function by improvement, then have：
H(zu)=[1+z-8+z-1(1-z-8)][1+z-4+z-2(1-z-4)]；
H(zv)=(1+z-1)[1-z-6+z-8+z-14]+(1-z-1)[z-2-z-4+z-10+z-12].
The strengthened denitrification A/O that the present invention provides wanders about as a refugee biochemistry pool：1. A/O denitrifying activated sludge method and biochemical skill of wandering about as a refugee are merged
Art, exploitation strengthened denitrification A/O wanders about as a refugee biochemistry pool, and A/O wanders about as a refugee, and biochemistry pool includes water distributing area successively along water (flow) direction, anoxia is wandered about as a refugee life
Change area, aerobic biochemical zone of wandering about as a refugee, gathering ground, be all provided with perforated wall between every area, there is good plug-flow state；2. described anoxia is wandered about as a refugee
The ratio of the dischargeable capacity of biochemical zone and aerobic biochemical zone of wandering about as a refugee is 1：1～3, ball of wandering about as a refugee all is placed in two regions, make microorganism with
Biomembrane and the growth of suspended sludge two ways, increase microorganism concn and the NH of reactor3- N volumetric loading, makes A/O simultaneously
The microbiological paper method of zones of different in biochemistry pool of wandering about as a refugee is more suitable for high-concentration ammonia nitrogenous wastewater biological denitrification process；3. described collection
Pool arranges reflux pump, by A/O wander about as a refugee biochemistry pool part effluent recycling to water distributing area, be that anoxia biochemical zone of wandering about as a refugee completes anti-nitre
Change and short-cut denitrification provides NO3 -- N and a small amount of NO2-- N, dilutes the free NH of water inlet simultaneously3- N concentration, reduces free NH3-
N biological inhibition acts on；Two-stage A/O can be wandered about as a refugee by the 4. requirement to advanced nitrogen according to ammonia nitrogen waste water water quality and discharge standard
Biochemistry pool is connected, and can add sanitary sewage, methanol or starch solution etc. as external carbon in the wander about as a refugee water distributing area of biochemistry pool of A/O
Source, improves nitric efficiency further.
The present invention provide strengthened denitrification A/O wander about as a refugee biochemistry pool be suitable to process ammonia nitrogen concentration be less than 1000mg/L ammonia nitrogen give up
Water, NH3- N volumetric loading is up to 0.8kg NH3-N/(m3D)～1.0kg NH3-N/(m3D), improve bio-denitrification technology
Dissociate NH to waste water3The subject range of-N, reduces the cost that high-concentration ammonia nitrogenous wastewater is processed；Single-stage A/O is wandered about as a refugee the nitre of biochemistry pool
Rate be more than 90%, two-stage series connection A/O wander about as a refugee biochemistry pool Nitrification rate be more than 98%, high-concentration ammonia nitrogenous wastewater can be effectively ensured
Nitrification effect；When the C/N of waste water is more than 4, rationally control sewage backflow ratio, hydraulic detention time, gas-water ratio and aeration rate empty
Between be distributed, can make single-stage A/O wander about as a refugee biochemistry pool nitric efficiency be more than 80%, if the suitable external carbon of nitric efficiency need to be improved further
Source；Running only needs blower fan, clarified water pump and simple instrument and meter, no precipitate and separate, mixed-liquor return, sludge reflux and residue
The operating process such as mud discharging, operational management is easy, for simple, efficient enhanced biological nitrogen removal device.
Brief description
Fig. 1 is that strengthened denitrification AO provided in an embodiment of the present invention wanders about as a refugee biochemistry pool schematic diagram.
Fig. 2 perforated wall provided in an embodiment of the present invention schematic diagram.
Fig. 3 present invention implements the ball half section face of wandering about as a refugee providing.
Fig. 4 ball sectional view of wandering about as a refugee provided in an embodiment of the present invention.
In figure：1st, water distributing area；2nd, anoxia is wandered about as a refugee biochemical zone；3rd, aerobic biochemical zone of wandering about as a refugee；4th, gathering ground；5th, perforated wall；6、
Wander about as a refugee ball；6-1, upper half spherical reticulated shells；6-2, buckle；6-3, lower half spherical reticulated shells；6-4, filler；7th, reflux pump；8th, water inlet pipe；
9th, flap；10th, effluent trough；11st, outlet pipe；12nd, blow-down pipe；13rd, aeration zone；14th, ring-type aeration tube；15th, effluent recycling pipe.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to
Limit the present invention.
Below in conjunction with the accompanying drawings the application principle of the present invention is explained in detail.
As shown in figure 1, the strengthened denitrification AO of the embodiment of the present invention wanders about as a refugee, biochemistry pool includes：Wander about as a refugee biochemistry in water distributing area 1, anoxia
Area 2, aerobic biochemical zone 3 of wandering about as a refugee, gathering ground 4, perforated wall 5, ball 6 of wandering about as a refugee, reflux pump 7, water inlet pipe 8, flap 9, effluent trough 10, go out
Water pipe 11, blow-down pipe 12, aeration zone 13, ring-type aeration tube 14, effluent recycling pipe 15.
Wander about as a refugee biochemical zone 2, aerobic biochemical zone 3 of wandering about as a refugee, gathering ground 4 of described water distributing area 1, anoxia is sequentially connected, water distributing area 1,
Anoxia wander about as a refugee biochemical zone 2, aerobic wander about as a refugee biochemical zone 3 and gathering ground 4 junction is equipped with perforated wall 5, described gathering ground 4 is provided with
Effluent recycling device.
Described anoxia is wandered about as a refugee and is all at least provided with four laminar flows from ball 6, described stream in biochemical zone 2 and aerobic biochemical zone 3 of wandering about as a refugee
Include spherical guard from ball 6 and its multilamellar is arranged on the packing layer in spherical guard.
Described aerobic biochemical zone 3 of wandering about as a refugee is at least provided with two aeration zones 13；The bottom of described aerobic biochemical zone 3 of wandering about as a refugee is installed
There is blow-down pipe 12.
Described effluent recycling device includes reflux pump 7, effluent recycling pipe 15；Water inlet pipe 8 water inlet end connects gathering ground 4, enters
Water pipe 8 water side connects reflux pump 7, and reflux pump 7 connects outlet pipe 11 import, and outlet pipe 11 outlet connects water distributing area 1.Described join
The top in pool 1 is provided with flap 9；Effluent trough 10 is arranged on the top of gathering ground 4, and the outlet of effluent trough 10 is outlet pipe 11.
Described perforated wall 5 is all opened and is used pod apertures.
On described water distributing area 1, water inlet pipe is installed.
Described aeration zone 13 is circumscribed with apparatus of oxygen supply, described aeration zone be used for controlling the aeration rate of aerobic biochemical zone of wandering about as a refugee with
And balance oxygen demand and oxygen-supplying amount.
As shown in Fig. 2 the hole area of perforated wall accounts for the 15%～20% of body of wall effective area, and hole is with equidistant
Mode array arranges, and the hole at edge is 1/2 hole spacing with a distance from body of wall edge simultaneously.
As shown in Figure 3 and Figure 4, ball 6 of wandering about as a refugee includes：Upper half spherical reticulated shells 6-1, buckle 6-2, lower half spherical reticulated shells 6-3, fill out
Material 6-4.Upper half spherical reticulated shells 6-1 is linked together with lower half spherical reticulated shells 6-3 by buckle 6-2.
Further, described reflux pump is provided with flow signal emitter, described flow signal emitter include microprocessor,
Encoder, wave filter and signal emission module；Wherein microprocessor outfan connect encoder input, encoder defeated
Go out the input that end connects wave filter, the outfan of wave filter connects the input of signal emission module；
The transmission function of described wave filter is：CiIt is by layering sequence
Row u, v modulation, u is hierarchical Golay sequence u={ 1,1,1,1,1,1, -1, -1,1, -1,1, -1,1, -1, -1,1 }, v
={ 1,1,1, -1, -1,1, -1, -1,1,1,1, -1,1, -1,1,1 }, C16m+n=unvm；
According to
The Golay sequence pair of layering transfers function by improvement, then have：
H(zu)=[1+z-8+z-1(1-z-8)][1+z-4+z-2(1-z-4)]；
H(zv)=(1+z-1)[1-z-6+z-8+z-14]+(1-z-1)[z-2-z-4+z-10+z-12].
The operation principle of the present invention：
Described anoxia wander about as a refugee biochemical zone and aerobic biochemical zone of wandering about as a refugee dischargeable capacity ratio be 1：1～3, all place and wander about as a refugee
Ball, is made microorganism be grown with biomembrane and suspended sludge two ways, increases microorganism concn and the NH of reactor3- N volume is born
Lotus；Described gathering ground arranges reflux pump, by A/O wander about as a refugee biochemistry pool part effluent recycling to water distributing area, be that anoxia is wandered about as a refugee biochemistry
Area completes denitrification and short-cut denitrification provides NO3 -- N and a small amount of NO2 --N.Flow into the high-concentration ammonia nitrogenous wastewater of described cell body
, preferably need to locate in advance through stripping or stripping when influent ammonium concentration is more than 1000mg/L through grid, regulating reservoir structures pretreatment
Reason.When influent ammonium concentration is more than 500mg/L, wandered about as a refugee biochemistry pool using two-stage series connection A/O；When ammonia nitrogen concentration is less than 500mg/
L, is wandered about as a refugee biochemistry pool using single-stage A/O.Between described cell body Zhong Ge area the hole area of perforated wall account for wall area 5%～
25%, the void shape opening up has circle, square, rectangle or rhombus.Described anoxia is wandered about as a refugee biochemical zone and aerobic life of wandering about as a refugee
Change in area and four laminar flows be at least installed from ball, a diameter of 8～25cm of ball of wandering about as a refugee, including spherical guard and its some be arranged on spherical
Filler in guard.At least provided with two aeration zones, each aeration zone adopts the aeration tube of ring-type for described aerobic biochemical zone of wandering about as a refugee
Net；Using perforated pipe aerating regulation, or adopt filter, aerator, aeration plate aeration；When using perforated pipe aerating regulation, towards at the bottom of pond, two
Between hole, angle is 60 DEG C～120 DEG C, and symmetrically opens up two-by-two.Described cell body hydraulic detention time is 8～24h, when adopting two-stage
Series connection A/O wander about as a refugee biochemistry pool when hydraulic detention time be multiplied；Effluent recycling ratio for 100%～500%, when water inlet C/N is low,
Free ammonia nitrogen concentration height is appropriate to the occasion to adopt higher effluent recycling ratio.The wander about as a refugee water distributing area of biochemistry pool of A/O can add sanitary sewage, first
Alcohol or starch solution are as additional carbon.Cell body is made using ordinary steel, rustless steel, UPVC plate weld, or adopts fiberglass glue
Knot is made, or is formed using concreting.
The present invention will be efficiently integrated for wander about as a refugee biochemical zone, aerobic biochemical zone of wandering about as a refugee, gathering ground of water distributing area, anoxia, improves highly concentrated
The Nitrogen removal effect of degree ammonia nitrogen waste water, reduces and processes energy consumption；This strengthened denitrification AO wanders about as a refugee, and biochemical pool structure is simple, and design is closed
Reason；Whole processing procedure no mixed-liquor return, sludge reflux and backwash operation process, equipment needed thereby is few, and operational management is easy.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of strengthened denitrification A/O wanders about as a refugee, and it is characterised in that described strengthened denitrification AO wanders about as a refugee, biochemistry pool is provided with successively biochemistry pool
The water distributing area connecting, anoxia are wandered about as a refugee biochemical zone, aerobic biochemical zone of wandering about as a refugee, gathering ground；
Described water distributing area, anoxia wander about as a refugee biochemical zone, aerobic wander about as a refugee biochemical zone and gathering ground junction is equipped with perforated wall, described collection
Pool is provided with effluent recycling device；
Described anoxia is wandered about as a refugee and is all at least provided with four laminar flows from ball in biochemical zone and aerobic biochemical zone of wandering about as a refugee；
Described aerobic biochemical zone of wandering about as a refugee is at least provided with two aeration zones；The bottom of described aerobic biochemical zone of wandering about as a refugee is provided with emptying
Pipe；
Described effluent recycling device includes reflux pump, effluent recycling pipe, and effluent recycling liquid is back to water distributing area by gathering ground；Water inlet
, all in gathering ground, water inlet and effluent recycling liquid mix in gathering ground for water inlet tube end and effluent recycling pipe water side；
Described water distributing area is provided with flap；Effluent trough is arranged on the top outside gathering ground, the bottom setting outlet pipe of effluent trough.
2. strengthened denitrification A/O as claimed in claim 1 wanders about as a refugee biochemistry pool it is characterised in that flowing into the high concentration of described cell body
Ammonia nitrogen waste water need to be through grid, regulating reservoir structures pretreatment, when influent ammonium concentration is more than 1000mg/L, preferably through stripping or blowing
De- pretreatment.
3. strengthened denitrification A/O as claimed in claim 1 wanders about as a refugee biochemistry pool it is characterised in that when influent ammonium concentration is more than
During 500mg/L, wandered about as a refugee biochemistry pool using two-stage series connection A/O；When ammonia nitrogen concentration is less than 500mg/L, wandered about as a refugee biochemistry using single-stage A/O
Pond.
4. strengthened denitrification A/O as claimed in claim 1 wanders about as a refugee biochemistry pool it is characterised in that wearing between described cell body Zhong Ge area
The hole area of hole wall accounts for the 5%～25% of wall area, and the void shape opening up has circle, square, rectangle or rhombus.
5. strengthened denitrification A/O as claimed in claim 1 wander about as a refugee biochemistry pool it is characterised in that described anoxia is wandered about as a refugee biochemical zone and
Four laminar flows are at least installed from ball in aerobic biochemical zone of wandering about as a refugee, a diameter of 8～25cm of ball of wandering about as a refugee, including spherical guard and its some
It is arranged on the filler in spherical guard；
Described spherical guard includes：Upper half spherical reticulated shells, buckle, lower half spherical reticulated shells；
Described upper half spherical reticulated shells are linked together with lower half spherical reticulated shells by buckle.
6. strengthened denitrification A/O as claimed in claim 1 wanders about as a refugee biochemistry pool it is characterised in that described aerobic wander about as a refugee biochemical zone extremely
Two aeration zones are set less, and each aeration zone adopts ring-type aeration tube；Using perforated pipe aerating regulation, or adopt filter, aerator, exposure
Gas disk aeration；When using perforated pipe aerating regulation, towards at the bottom of pond, between holes, angle is 60 DEG C～120 DEG C, and symmetrically opens up two-by-two.
7. strengthened denitrification A/O as claimed in claim 1 wanders about as a refugee biochemistry pool it is characterised in that described cell body hydraulic detention time
For 8～24h, when using two-stage series connection A/O wander about as a refugee biochemistry pool when hydraulic detention time be multiplied；Effluent recycling is than for 100%
～500%, adopt higher effluent recycling ratio when water inlet C/N is low, free ammonia nitrogen concentration height is appropriate to the occasion.
8. strengthened denitrification A/O as claimed in claim 1 wanders about as a refugee the water distributing area of biochemistry pool biochemistry pool it is characterised in that A/O wanders about as a refugee
Sanitary sewage, methanol or starch solution can be added as additional carbon.
9. strengthened denitrification A/O as claimed in claim 1 wanders about as a refugee biochemistry pool life it is characterised in that described strengthened denitrification A/O wanders about as a refugee
The cell body changing pond is made using ordinary steel, rustless steel, UPVC plate weld, or makes using fiberglass is cementing, or adopts coagulation
Soil pours and forms.
10. strengthened denitrification A/O as claimed in claim 1 wanders about as a refugee biochemistry pool it is characterised in that described reflux pump is provided with flow
Signal projector, described flow signal emitter includes microprocessor, encoder, wave filter and signal emission module；Wherein micro-
The outfan of processor connects the input of encoder, and the outfan of encoder connects the input of wave filter, wave filter defeated
Go out the input that end connects signal emission module；
The transmission function of described wave filter is：CiIt is by hierarchical sequence u, v
Modulation, u is hierarchical Golay sequence u={ 1,1,1,1,1,1, -1, -1,1, -1,1, -1,1, -1, -1,1 }, v=1,
1,1, -1, -1,1, -1, -1,1,1,1, -1,1, -1,1,1 }, C16m+n=unvm；
According to layering
Golay sequence pair transfer function by improvement, then have：
H(zu)=[1+z-8+z-1(1-z-8)][1+z-4+z-2(1-z-4)]；
H(zv)=(1+z-1)[1-z-6+z-8+z-14]+(1-z-1)[z-2-z-4+z-10+z-12].
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607781A (en) * | 2018-11-26 | 2019-04-12 | 杭州宸祥环境工程有限公司 | A kind of water body treating devices and methods therefor based on short-cut denitrification reaction |
| CN109867419A (en) * | 2019-04-16 | 2019-06-11 | 江苏鑫汇林环境工程有限公司 | A kind of new bio fluidized bed for Treatment of Coking Effluent |
| CN111499089A (en) * | 2020-03-23 | 2020-08-07 | 北京德源通环保科技有限公司 | Large-scale integrated sewage treatment tank |
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