CN105621610B - A kind of saline sewage simultaneous nitrification-denitrification denitrogenation method - Google Patents
A kind of saline sewage simultaneous nitrification-denitrification denitrogenation method Download PDFInfo
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Abstract
The invention discloses a kind of saline sewage simultaneous nitrification-denitrification denitrogenation method, nitrobacteria growth promoter is added first into biochemical wastewater treatment system, denitrogenation microbial inoculum is added when ammonia nitrogen removal frank is more than 70%, starts Simultaneous Nitrification and denitrification biological denitrogenation processing procedure；Described nitrobacteria growth promoter includes metal salt and polyamines, and wherein metal salt is 40 100 parts by weight, preferably 50 80 parts by weight, and polyamines are 5 30 parts by weight, preferably 10 20 parts by weight；Described metal salt is made up of calcium salt, mantoquita, magnesium salts and/or ferrous salt.The present invention, by synchronous nitration and denitrification technique, solves the problems, such as the qualified discharge of ammonia nitrogen pollutant in saline sewage using denitrogenation microbial inoculum similar in addition nitrobacteria growth promoter and growth conditions.
Description
Technical field
The invention belongs to technical field of sewage, and in particular to a kind of saline sewage simultaneous nitrification-denitrification denitrogenation side
Method.
Background technology
In recent years, with the development of industrial or agricultural, the discharge to industrial wastewater, diffusion water of garbage burying ground and municipal sewage
Limitation is more and more stricter, and sewage disposal technology is increasingly taken seriously, and particularly the qualified discharge of ammonia-containing water turns into environmental protection and led
The processing problem in domain.Although the ammonia nitrogen in waste water can use the physico-chemical processes such as stripping stripping, ion exchange, chemical oxidation to enter
Row processing, but these methods have that accessory substance secondary pollution and treatment effeciency are low etc..By contrast, bioanalysis is control water
The better method of body ammonia and nitrogen pollution.
The terminal technology that traditional biological method is handled as conventional sewage, when handling sewage containing ammonia usually to sacrifice load
Realize the qualified discharge of ammonia nitrogen pollutant in waste water.The relatively low inorganic salts of content play in microorganism growth process in sewage
Promote enzyme reaction, maintain membrane equilibrium and adjust the important function of osmotic pressure.But salinity can suppress the growth of microorganism when too high
And the activity of microorganism is reduced, certain difficulty is brought to biological treatment.Although from technique and sewage treatment structure etc.
Substantial amounts of improvement has all been carried out repeatedly, certain effect is played in sewage disposal process, but due to being responsible for the master of ammonia nitrogen removal
Body activated sludge does not change, so the removal effect of ammonia nitrogen is still less desirable.Ammonia nitrogen excessive problem, which directly influences, urges
The overall up to standard of agent manufacturing enterprise waste water and normal production, turn into the bottleneck for restricting enterprise development, to Ammonia Wastewater Treatment into
For the primary environmental issue of Catalyst Production enterprise.Therefore economic, practical, safe saline sewage biological denitrificaion skill is researched and developed
Art, to environmental protection, promote the well-being of mankind it is significant.
Either traditional microorganism attached type wastewater treatment structures or high-performance bio film processing system newly developed,
The microorganism for being responsible for denitrogenation is mainly Autotrophic nitrification bacterium.The growth rate of autotrophic bacteria itself is slow, activity dirt in mixed culture
Can not be competed in mud system with heterotrophicy bacteria, to be difficult to obtain higher biomass, nitrification efficiency low, cause autotrophic microbe denitrogenation
System impact resistance is weak, nitrification is incomplete, nitrogen removal rate is low.So some are new, the more preferable denitrogenation of effect is micro-
Biology, such as allotrophic nitrobacteria, aerobic denitrifying bacteria are found in succession.
CN101302485A discloses a kind of heterotrophic nitrification microbial preparation, its cultural method and purposes, and the microbial inoculum can
Ammonia nitrogen and total nitrogen effectively in removing water body, can also remove the COD in organic wastewater simultaneously, suitable for high-concentration culture waste water
Processing.CN200910021020.7 discloses a kind of preparation side for the water quality modifying microecological preparation for dropping ammonia nitrogen and cultured water
Method, the probiotics of the invention belong to aquaculture technology and ecological environmental protection technical field.Mentioned microorganism microbial inoculum exists
It is limited, it is necessary to develop suitable microbial inoculum for saliferous sewage containing ammonia and improve at water to handle the using effect in saliferous ammonia-containing water
Reason method.CN201210102760.4 discloses a kind of high salinity, the processing method of high-concentration ammonia nitrogenous wastewater, and this method is using tame and docile
Nitrobacteria after change, the high salinity waste water being adapted within processing 500mg/L concentration ammonia nitrogen, salt content 35g/L.
CN201210130653.2 discloses a kind of high saliferous Catalyst sewage biological denitrification method, thin by adding nitrification into sewage
Bacterium and realize using nitrite as the denitrogenation microbial inoculum of electron acceptor.Biological reinforcing technology provides newly to sewage treatment area
Thinking, but the tolerable ammonia nitrogen concentration of existing biological agent and salt content are limited, and need to add substantial amounts of microbial inoculum with gram
Take suppression of the salt content to microbial activity.
The content of the invention
The invention provides a kind of saline sewage simultaneous nitrification-denitrification denitrogenation method, is promoted using addition nitrobacteria growth
Enter denitrogenation microbial inoculum similar in agent and growth conditions, by synchronous nitration and denitrification technique, solve ammonia nitrogen pollutant in saline sewage
Qualified discharge problem.
Saline sewage simultaneous nitrification-denitrification denitrogenation method of the present invention includes following content：First to biochemical wastewater treatment system
Nitrobacteria growth promoter is added in system, denitrogenation microbial inoculum is added when ammonia nitrogen removal frank is more than 70%, starts Simultaneous Nitrification and anti-
Nitrification biological denitrification processing procedure；Described nitrobacteria growth promoter includes metal salt and polyamines, wherein metal
Salt is 40 ~ 100 parts by weight, preferably 50 ~ 80 parts by weight, and polyamines are 5 ~ 30 parts by weight, preferably 10 ~ 20 parts by weight；
Described metal salt is made up of calcium salt, mantoquita, magnesium salts and/or ferrous salt.
Metal salt in nitrobacteria growth promoter of the present invention can be calcium salt, magnesium salts and mantoquita, wherein Ca2+、
Mg2+And Cu2+Mol ratio be（5~15）:（5~25）:（0.5~5）, it is preferably（8~12）:（10~20）:（1~4）；Either calcium
Salt, ferrous salt and mantoquita, wherein Ca2+、Fe2+And Cu2+Mol ratio be（5~15）:（1~8）:（0.5~5）, it is preferably（8~12）:
（2~6）:（1~4）；Either calcium salt, magnesium salts, ferrous salt and mantoquita, wherein Ca2+、Mg2+、Fe2+And Cu2+Mol ratio be（5~
15）:（5~25）:（1~8）:（0.5~5）, it is preferably（8~12）:（10~20）:(2~6):（1~4）.
Calcium salt in nitrobacteria growth promoter of the present invention is CaSO4Or CaCl2, preferably CaSO4；Magnesium salts is
MgSO4Or Mg Cl2, preferably MgSO4；Ferrous salt is FeSO4Or FeCl2, preferably FeSO4；Mantoquita is CuSO4Or CuCl2,
It is preferred that CuSO4.Polyamines in the nitrobacteria growth promoter are the mixture of spermine, spermidine or both.
Nitrobacteria growth promoter of the present invention can also include inorganic acid azanol, and content is 0.5 ~ 15 parts by weight,
Preferably 2 ~ 10 parts by weight.The inorganic acid azanol is the one or more in hydroxylamine hydrochloride, HAS or phosphatic hydroxylamine,
Preferably HAS.The appropriate addition of inorganic acid azanol can directly participate in nitrobacteria as the matrix of azanol oxygen also enzyme
Metabolic process, shorten enzymatic reaction process, while can be with accelerated cell growth as the activator of cell.
Denitrogenation microbial inoculum of the present invention contain Staphylococcus cohnis (Staphylococcus cohnii）FSDN-C, section
Bacillus（Arthrobacter creatinolyticus）FDN-1 and Shui Shi Flavobacteriums（Flavobacterium mizutaii）
One or more in FDN-2, simultaneously containing Paracoccus denitrificans (Paracoccus denitrificans) DN-3 and methyl bar
Bacterium (Methylobacterium phyllosphaeraeOne or both of) SDN-3；Five kinds of bacterial strains were respectively at 2011 7
Months 14 days and on March 11st, 2010 and it is preserved in " China Committee for Culture Collection of Microorganisms's common micro-organisms center ", guarantor
It is respectively CGMCC NO.5062, CGMCC No.3657, CGMCC No.3659, CGMCC No.3658, CGMCC to hide numbering
No.3660。
The temperature of saline sewage processing of the present invention is 18-40 DEG C, and preferably 25-35 DEG C, dissolved oxygen is 0.1 ~ 8mg/L, excellent
Elect 0.5 ~ 5mg/L, preferably pH 7.0-9.0,7.8-8.5 as；
Saline sewage water quality characteristic of the present invention is：Ammonia nitrogen concentration 30 ~ 500 mg/L, COD（Cr methods, it is as follows）For
300 ~ 3000mg/L, BOD concentration are 200 ~ 2000mg/L, and saliferous mass fraction is that 1% ~ 10%, pH is 6 ~ 10.
Nitrobacteria growth promoter of the present invention needs to add with water inlet, i.e., adds accelerator while water inlet every time.Throw
Dosage is added according to 20 ~ 60mg/L of promoter concentration in sewage disposal system, and preferably 30 ~ 50mg/L is added.Work as ammonia
Nitrogen removal efficiency adds denitrogenation microbial inoculum when being more than 70%, and denitrogenation microbial inoculum need to add in batches, added once every 2 ~ 5 days, add first
Amount adds according to the 0.01% ~ 1% of processing sewage volume per hour, gradually successively decreases later, every time than the last biomass added
Successively decrease 30% ~ 50%.Add rear sewage disposal system and spoil disposal was unable in three months.For batch process reactor, locate per hour
It is average processing sewage volume per hour in each process cycle to manage sewage volume.
The present invention adds after nitrobacteria growth promoter and denitrogenation microbial inoculum the dirt, it is necessary to after analyzing and processing in time in sewage
Thing concentration is contaminated, when water outlet total nitrogen concentration is less than 50mg/L, simultaneously energy stable operation can stop throwing preferably shorter than 25mg/L for more than one week
Add, Simultaneous Nitrification and denitrification startup stage terminate, and into the steady running operational phase, are imitated during steady running according to processing
Fruit can be to add an accelerator in every month or each week, to ensure the stability of system longtime running.
Saline sewage simultaneous nitrification-denitrification denitrogenation method proposed by the present invention, mainly by first in wastewater treatment mistake
Special composition and the growth promoter of proportioning are added in journey, promotes the fast-growth of salt tolerant nitrobacteria to breed and improves nitrification effect
Fruit, then being used cooperatively by accelerator and denitrogenation microbial inoculum again, nitration denitrification denitrogenation while realization in hypersaline environment.
The present invention adds accelerator first in wastewater treatment process, in metal salt, polyamines and hydroxylamines
Collective effect under, realize the fast breeding of nitrobacteria in activated sludge, improve the superiority and salt tolerance of nitrobacteria
Can, and then the purpose of fast degradation substrate ammonia nitrogen.Being used cooperatively for accelerator and denitrogenation microbial inoculum, can quickly establish system
Simultaneous nitrification-denitrification denitrification functions, while the salt resistant character of cell and the stability of system are improved, extend thalline service life,
The dosage of denitrogenation microbial inoculum is reduced, effective removal of nitrogen-containing pollutant in saline sewage is realized, maintains the fortune steady in a long-term of system
OK.
Embodiment
A kind of saline sewage simultaneous nitrification-denitrification denitrogenation method proposed by the present invention, nitrobacteria used growth promote
Agent prescription is simple, and it is easy to prepare, and can directly be added in activated sludge and use.The liquid microbial inoculum speed of growth used is fast, receives
Collection amount is big, and microbial inoculum has stronger tolerance and adaptability, has preferable impact resistance.
The process and effect of the inventive method are further illustrated by the following examples.
The preparation method of the nitrobacteria growth promoter of embodiment 1
The preparation method of nitrobacteria growth promoter of the present invention is：（1）Metal is prepared according to consisting of and parts by weight
Salting liquid：Metal salt is 40 ~ 100 parts by weight, preferably 50 ~ 80 parts by weight, described metal salt by calcium salt, mantoquita, magnesium salts and/
Or ferrous salt composition；（2）5 ~ 30 parts by weight, the polyamines of preferably 10 ~ 20 parts by weight are added to metal salt using preceding
In solution.Further, it is 0.5 ~ 15 parts by weight that content can also be added before use, the inorganic acid hydroxyl of preferably 2 ~ 10 parts by weight
Amine.
The nitrobacteria for preparing four kinds of models according to the ratio of the accelerator of table 1 and formula using the above method grows promotion
Agent, the promoter concentration are 0.5g/L.
The formula and ratio of the accelerator of table 1
The preparation of the denitrogenation microbial inoculum of embodiment 2
1st, thalline activates：Culture medium prescription used in Staphylococcus cohnis FSDN-C thalline activation and seed liquor culture
For：Beef extract：6g/L, peptone：8g/L, NaNO2：0.6g/L, methanol：0.5mL/L；Arthrobacterium FDN-1 and Shui Shi Flavobacterium
FDN-2 activation culture based formulas is：Beef extract:5g/L, peptone:10g/L, NaNO2:1g/L, add 2.0% agar；It is de-
Nitrogen pair coccus DN-3 activation culture based formulas is：KNO3:1g/L, sodium succinate:8g/L, KH2PO4:1g/L, FeCL2:
0.5g/L, add 2.0% agar；Methylobacterium SDN-3 activation culture based formulas is：Ammonium sulfate:0.5g/L, methanol:
0.75mL/L, KH2PO4:1g/L, FeCL2:0.5g/L；Add 2% agar.Temperature is placed on after being coated with uniformly on flat board as 30
Activated in DEG C constant incubator.
2nd, with connect collarium scraping flat board on thalline be inoculated in respectively in corresponding liquid medium, 25 ~ 35 DEG C of temperature,
Concussion and cultivate obtains liquid bacterial agent seed liquor in 1 ~ 3 day to exponential phase under 150 ~ 240rpm aerobic conditions；Culture medium prescription is same
Activation culture based formulas, without adding agar.
3rd, using above-mentioned Staphylococcus cohnis FSDN-C as No. I seed liquor, by above-mentioned arthrobacterium FDN-1 and Shui Shi Flavobacteriums
FDN-2 mixing is used as No. II seed liquor（Thalline is according to 1:1 and 0.5:1 two kinds of ratios combine numbering II -1 and II -2 respectively）, will
Above-mentioned Paracoccus denitrificans DN-3 and Methylobacterium SDN-3 mixing is used as No. III seed liquor（Thalline is according to 1:1 and 0.5:1 two kinds of ratios
Example combines numbering III -1 and III -2 respectively）, any group in No. I seed liquor, No. II seed liquor or any microorganism with No. III
Any group in seed liquor or any microorganism are according still further to 1:1:1 and 1:2:The mixing of 3 two kinds of ratios is respectively with well stirring
Mix and culture is amplified in the reactor of system, the ammonia nitrogen concentration in nutrient solution is 200mg/L ~ 800mg/L, carbon-nitrogen mass ratio 5：
1~10：1；Condition of culture is 25 DEG C~35 DEG C of temperature；PH6.5~10.0；Dissolved oxygen is less than 3.0mg/L.
To the liquid bacterial suspension A obtained by amplifying culture（Seed liquor I, seed liquor II -1 and the mixing ratio of seed liquor III -1
Example 1:1:1）、B（Seed liquor I, seed liquor II -2 and the mixed proportion 1 of seed liquor III -2:2:3）、C（Seed liquor I, seed liquor II -1
With the mixed proportion 1 of seed liquor III -2:1:1）、D（Seed liquor I, arthrobacterium FDN-1 and the mixed proportion 1 of seed liquor III -2:2:3）、E
（Seed liquor I, seed liquor II -2 and Paracoccus denitrificans DN-3 mixed proportions 1:1:3）It is collected, concentrates, then adds bacteria suspension
The nutrient solution of two volumes.NH in every liter of nutrient solution4 +-N 、Fe2+、Mg2+、K+、Ca2+Mole configuration ratio of this five kinds of cations
Example is 2000:5:20:20:15, it is dispensed into after adding the preserving agent of bacteria suspension volume 2.5% in 500ml plastic bottle, puts -70
Saved backup under the conditions of DEG C.
Embodiment 3
Certain chemical plant saline sewage water quality characteristic is：Ammonia nitrogen 60 ~ 200mg/L, COD concentration are 300 ~ 1000mg/L, and BOD is dense
Spend for 200 ~ 700, saliferous mass fraction is 2 ~ 3%, pH8.5.Temperature is 25 DEG C or so, dissolved oxygen in system During Process of Long-term Operation
For 0.5 ~ 2.5mg/L, pH is 7.8 ~ 8.2.Because the influence of salt causes ammonia nitrogen removal effect in system poor, total nitrogen concentration after processing
Up to 150mg/L, the SVI of activated sludge are more than 200mL/g.It is first according to promote in sewage disposal system using the inventive method
The accelerator I that agent concentration 30mg/L adds embodiment 1 cultivates nitrobacteria in activated sludge, after 3 days ammonia nitrogen removal up to 70%,
Denitrogenation microbial inoculum is now added into sewage disposal system, first according to handled sewage quantity 0.05% into sewage disposal system
Microbial inoculum A is added, was added once every three days later, successively decreases 30% than the last biomass added every time.Complete 5 times after adding
System operation one week, analysis detection water outlet total nitrogen concentration are less than 25mg/L, and accelerator and thalline stop adding.In three months
In the case of not having spoil disposal, every month adds the accelerator of embodiment 1 according to promoter concentration 30mg/L in sewage disposal system
I, water outlet total nitrogen concentration is consistently lower than 25mg/L, and COD clearances are more than 85%, and the SVI of activated sludge is 100 mL/g.Thus may be used
See, realize the biological denitrificaion processing of saline sewage in the case of relatively low denitrogenation microbial inoculum dosage using this programme, change simultaneously
The settling property of kind sludge.
Embodiment 4
Certain chemical plant saline sewage water quality characteristic is：Ammonia nitrogen 200 ~ 300mg/L, COD concentration are 500 ~ 600mg/L, BOD
Concentration is 200 ~ 300 mg/L, and saliferous mass fraction is 4 ~ 6%, pH7.8.In system During Process of Long-term Operation temperature be 28 DEG C or so,
Dissolved oxygen is 1.5 ~ 3.0mg/L, and pH is 8.0 ~ 8.2.Ammonia nitrogen removal frank only has 50% in system During Process of Long-term Operation.Using this hair
Bright method, is first according to promoter concentration 40mg/L in sewage disposal system and adds the accelerator II of embodiment 1 to cultivate active dirt
Nitrobacteria in mud, ammonia nitrogen removal is up to 70% after 3 days, now first according to handled sewage quantity 0.5% to sewage disposal system
Microbial inoculum C is added in system, was added once every five days later, successively decreases 30% than the last biomass added every time.Complete 6 throwings
Add rear system operation one week, analysis detection water outlet total nitrogen concentration is less than 25mg/L, and accelerator and thalline stop adding.At three
In the case of not having spoil disposal in month, water outlet total nitrogen concentration is always below 25mg/L.As can be seen here, using this programme in relatively low denitrogenation
The biological denitrificaion processing of saline sewage is realized in the case of microbial inoculum dosage.
Embodiment 5
Certain chemical plant saline sewage water quality characteristic is：Ammonia nitrogen concentration 300 ~ 400mg/L, COD concentration are 2000mg/L, BOD
Concentration is 1500mg/L, and saliferous mass fraction is 5% ~ 10%, pH8.7.In system During Process of Long-term Operation temperature be 24 DEG C or so,
Dissolved oxygen is 3.0 ~ 5.0mg/L, and pH is 8.2 ~ 8.5.Ammonia nitrogen removal frank only has 40% in system During Process of Long-term Operation.Using this hair
Bright method, is first according to promoter concentration 50mg/L in sewage disposal system and adds the accelerator III of embodiment 1 to cultivate active dirt
Nitrobacteria in mud, ammonia nitrogen removal is up to 70% after 7 days, now according to handled sewage quantity 0.8% into sewage disposal system
Microbial inoculum E is added, was added once every 3 days later, successively decreases 50% than the last biomass added every time.Complete be after adding for 8 times
System operation one week, analysis detection water outlet total nitrogen concentration are less than 25mg/L, and accelerator and thalline stop adding.Do not had in three months
In the case of having spoil disposal, every month adds the accelerator III of embodiment 1 according to promoter concentration 50mg/L in sewage disposal system,
Water outlet total nitrogen concentration is always below 25mg/L, it can be seen that, using this programme in the case of relatively low denitrogenation microbial inoculum dosage it is real
The biological denitrificaion processing of saline sewage is showed.
Embodiment 6
With embodiment 3, difference is for handling process and operating condition：Nitrobacteria growth promoter uses embodiment
Accelerator IV in 1, added according to promoter concentration 25mg/L in sewage disposal system.Water outlet total nitrogen concentration is consistently lower than
20mg/L, COD clearance are more than 88%, and the SVI of activated sludge is 100mL/g.As can be seen here, using this programme in relatively low denitrogenation
The biological denitrificaion processing of saline sewage is realized in the case of microbial inoculum dosage, while improves the settling property of sludge.
Claims (12)
1. a kind of saline sewage simultaneous nitrification-denitrification denitrogenation method, it is characterised in that including following content：Given birth to first to sewage
Change and nitrobacteria growth promoter is added in processing system, denitrogenation microbial inoculum is added when ammonia nitrogen removal frank is more than 70%, start simultaneously
Nitrification and denitrification biological denitrificaion processing procedure；Described nitrobacteria growth promoter includes metal salt and polyamines,
Wherein metal salt is 40 ~ 100 parts by weight, and polyamines are 5 ~ 30 parts by weight, and described metal salt is by calcium salt, mantoquita, magnesium salts
And/or ferrous salt composition.
2. according to the method for claim 1, it is characterised in that：Metal salt is 50 in described nitrobacteria growth promoter
~ 80 parts by weight, polyamines are 10 ~ 20 parts by weight.
3. method according to claim 1 or 2, it is characterised in that：Metal salt in the nitrobacteria growth promoter
It is calcium salt, magnesium salts and mantoquita, wherein Ca2+、Mg2+And Cu2+Mol ratio be（5~15）:（5~25）:（0.5~5）；Either calcium
Salt, ferrous salt and mantoquita, wherein Ca2+、Fe2+And Cu2+Mol ratio be（5~15）:（1~8）:（0.5~5）；Either calcium salt, magnesium
Salt, ferrous salt and mantoquita, wherein Ca2+、Mg2+、Fe2+And Cu2+Mol ratio be（5~15）:（5~25）:（1~8）:（0.5~5）.
4. according to the method for claim 3, it is characterised in that：When the metal salt is calcium salt, magnesium salts and mantoquita, Ca2+、
Mg2+And Cu2+Mol ratio be（8~12）:（10~20）:（1~4）；Or when calcium salt, ferrous salt and mantoquita, Ca2+、Fe2+With
Cu2+Mol ratio be（8~12）:（2~6）:（1~4）；Or when calcium salt, magnesium salts, ferrous salt and mantoquita, Ca2+、Mg2+、Fe2+With
Cu2+Mol ratio be（8~12）:（10~20）:(2~6):（1~4）.
5. according to the method for claim 3, it is characterised in that：Calcium salt in the nitrobacteria growth promoter is CaSO4
Or CaCl2；Magnesium salts is MgSO4Or MgCl2；Ferrous salt is FeSO4Or FeCl2；Mantoquita is CuSO4Or CuCl2。
6. method according to claim 1 or 2, it is characterised in that：More amines in the nitrobacteria growth promoter
Material is the mixture of spermine, spermidine or both.
7. method according to claim 1 or 2, it is characterised in that：The nitrobacteria growth promoter also includes inorganic
Sour azanol, content are 0.5 ~ 15 parts by weight.
8. according to the method for claim 7, it is characterised in that：The inorganic acid azanol be hydroxylamine hydrochloride, HAS or
One or more in person's phosphatic hydroxylamine, content are 2 ~ 10 parts by weight.
9. according to the method for claim 1, it is characterised in that：Described denitrogenation microbial inoculum contains Staphylococcus cohnis
(Staphylococcus cohnii）FSDN-C, arthrobacterium（Arthrobacter creatinolyticus）FDN-1 and Shui Shi
Flavobacterium（Flavobacterium mizutaii）One or more in FDN-2, contain Paracoccus denitrificans simultaneously
(Paracoccus denitrificans) DN-3 and Methylobacterium (Methylobacterium phyllosphaerae)
One or both of SDN-3；Five kinds of bacterial strains are preserved in " the micro- life of China respectively on July 14th, 2011 and on March 11st, 2010
Thing culture presevation administration committee common micro-organisms center ", deposit number is respectively CGMCC NO.5062, CGMCC
No.3657、CGMCC No.3659、CGMCC No.3658、CGMCC No.3660。
10. according to the method for claim 1, it is characterised in that：The temperature for controlling sewage disposal is 18-40 DEG C, dissolved oxygen
For 0.1 ~ 8mg/L, pH 7.0-9.0,.
11. according to the method for claim 1, it is characterised in that：The saline sewage water quality characteristic is：Ammonia nitrogen concentration 30 ~
500 mg/L, COD concentration are 300 ~ 3000mg/L, and BOD concentration is 200 ~ 2000mg/L, and saliferous mass fraction is 1% ~ 10%, pH
For 6 ~ 10.
12. according to the method for claim 1, it is characterised in that：Nitrobacteria growth promoter needs to add with water inlet, throws
Dosage is added according to 20 ~ 60mg/L of promoter concentration in sewage disposal system；Denitrogenation microbial inoculum need to add in batches, every 2 ~
Add once within 5 days, dosage adds according to the 0.01% ~ 1% of processing sewage volume per hour first, gradually successively decreases later, every time
Successively decrease 30% ~ 50% than the biomass that adds of last time；Add rear sewage disposal system and spoil disposal was unable in three months.
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| CN100460499C (en) * | 2005-12-22 | 2009-02-11 | 中国石化上海石油化工股份有限公司 | Sequencing batch active sludge process for eliminating ammonia nitrogen from sewage |
| CN100448983C (en) * | 2005-12-22 | 2009-01-07 | 中国石化上海石油化工股份有限公司 | Nitrobacteria growth promoter |
| CN101899401B (en) * | 2009-05-25 | 2013-07-24 | 中国石油化工股份有限公司 | Microbial agent for treating ammonia-containing waste water and preparation method thereof |
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| CN102417238A (en) * | 2011-10-18 | 2012-04-18 | 大连理工大学 | Culture method of short-cut nitrification and denitrification granular sludge |
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