CN105585133B - The biological denitrification method of the high saline sewage of catalyst production process discharge - Google Patents
The biological denitrification method of the high saline sewage of catalyst production process discharge Download PDFInfo
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Abstract
The invention discloses a kind of biological denitrification methods of the high saline sewage of catalyst production process discharge, using sludge sewage as carrier, nitrobacteria and microbial growth promoters are added under the conditions of MLSS is less than 5000mg/L, denitrification microbial inoculum and microbial growth promoters are added when nitrite nitrogen accounts for total more than 50% nitration product in system, when ammonia nitrogen and total nitrogen concentration are below 50mg/L, startup stage terminates, and is operated into steady running；The microbial growth promoters include metal salt and polyamines, wherein metal salt be 40 100 parts by weight, preferably 50 80 parts by weight, polyamines be 5 30 parts by weight, preferably 10 20 parts by weight；The metal salt is made of calcium salt, mantoquita, magnesium salts and/or ferrous salt.This method is using nitrobacteria and denitrogenation microbial inoculum as biological body, it improves the growth rate of microorganism using microbial growth promoters are added and improves sewage treating efficiency, solve the process problem of high saliferous ammonia-containing water generated in existing catalyst production process.
Description
Technical field
The invention belongs to environmental project technical field of biological sewage treatment, and in particular to a kind of catalyst production process discharge
High saline sewage biological denitrification method.
Background technology
Many places use ammonium salt and ammonium hydroxide in the catalyst production process of petrochemical industry, therefore contain in the containing wastewater from catalyst discharged
There is a large amount of ammonia nitrogen.Ammonia nitrogen in waste water although can be used stripping stripping, ion exchange, the physico-chemical process such as chemical oxidation into
Row processing, but these methods have that by-product secondary pollution and treatment effeciency are low etc..In 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 high ammonia nitrogen, low COD waste water, ability has
Limit usually sacrifices load to realize the qualified discharge of ammonia nitrogen pollutant in waste water.Particularly when salinity is higher in sewage
It can inhibit the growth of microorganism and reduce the activity of microorganism, certain difficulty is brought to biological treatment.Although from technique and dirt
Water treatment building etc. has all carried out repeatedly a large amount of improvement, certain effect is played in sewage disposal process, still
Since the main body activated sludge for being responsible for ammonia nitrogen removal does not change, so the removal effect of ammonia nitrogen is still less desirable.Ammonia nitrogen surpasses
Mark problem directly influences the overall up to standard of Catalyst Production enterprise wastewater and normal production, becomes the bottle for restricting enterprise development
Neck becomes Ammonia Wastewater Treatment the primary environmental issue of Catalyst Production enterprise.Therefore economic, practical, safety is researched and developed
The treatment technology containing ammonia nitrogen in salt catalyst wastewater become current research hotspot, to environmental protection, promote the well-being of mankind that there have to be important
Meaning.
Either traditional or novel bio-denitrification technology, it is the effective of raising sewage treating efficiency to increase biomass
One of means.With the denitrification microorganism that some are novel, effect is good, such as allotrophic nitrobacteria, aerobic denitrifying bacteria, anaerobism
Ammonia oxidizing bacteria etc. is identified to come by separation in succession, and biological reinforcing technology is widely applied, and people carry out bacteria agent
A large amount of research work.
CN101302485A discloses a kind of heterotrophic nitrification microbial preparation, its cultural method and purposes, which can
Ammonia nitrogen and total nitrogen effectively in removing water body, can also remove the COD in organic wastewater, suitable for high-concentration culture waste water simultaneously
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 invention probiotics belong to aquaculture technology and ecological environmental protection technical field.Mentioned microorganism microbial inoculum is being urged
Using effect is limited in the denitrogenation processing of high saline sewage generated in agent production process, needs to give birth to containing salt catalyst for high
It produces sewage and develops suitable denitrogenation microbial inoculum and wastewater treatment method.CN201210102760.4 discloses a kind of high salinity, highly concentrated
The processing method of ammonia nitrogen waste water is spent, this method is suitble to processing ammonia nitrogen concentration 500mg/L, salt content using nitrobacteria after domestication
High salinity waste water within 35g/L.CN201210130653.2 discloses a kind of biological denitrificaion side of high saliferous Catalyst sewage
Method, by adding nitrobacteria into sewage and being realized using nitrite as the denitrogenation microbial inoculum of electron acceptor.Above-mentioned processing
The tolerable ammonia nitrogen concentration of method and salt content are limited, and need to add a large amount of denitrogenation microbial inoculum to overcome salt content to thalline
The inhibition of activity.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of high saline sewages of catalyst production process discharge
Biological denitrification method.Denitrogenation microbial inoculum similar in this method using nitrobacteria and growth conditions is as biological body, using adding
Microbial growth promoters improve the growth rate of microorganism and improve sewage treating efficiency, solve existing Catalyst Production
The process problem of high saliferous ammonia-containing water generated in the process.
The biological denitrification method of the high saline sewage of catalyst production process discharge of the present invention, including following content：With dirt
Water treatment plant's activated sludge is as microbe carrier, in activated sludge concentration less than under the conditions of 5000mg/L, preferred activated sludge
Nitrobacteria and microbial growth promoters are added under the conditions of a concentration of 2000~4000mg/L, when nitrite nitrogen accounts in system
More than 50% total nitration product, preferably 50%~80% when, add denitrification microbial inoculum and microbial growth promoters, when ammonia nitrogen and
When total nitrogen concentration is below 50mg/L, preferably shorter than 25mg/L, startup stage terminates, and is operated into steady running；Described is micro-
Biological growth accelerating agent include metal salt and polyamines, wherein metal salt be 40 ~ 100 parts by weight, preferably 50 ~ 80 weight
Part, polyamines be 5 ~ 30 parts by weight, preferably 10 ~ 20 parts by weight；The metal salt by calcium salt, mantoquita, magnesium salts and/or
Ferrous salt forms.
Metal salt in microbial growth promoters of the present invention can be calcium salt, magnesium salts and mantoquita, wherein Ca2+、Mg2 +And Cu2+Molar ratio be（5~15）:（5~25）:（0.5~5）, preferably（8~12）:（10~20）:（1~4）；Or calcium salt,
Ferrous salt and mantoquita, wherein Ca2+、Fe2+And Cu2+Molar ratio be（5~15）:（1~8）:（0.5~5）, preferably（8~12）:（2~
6）:（1~4）；Either calcium salt, magnesium salts, ferrous salt and mantoquita, wherein Ca2+、Mg2+、Fe2+And Cu2+Molar ratio be（5~15）:
（5~25）:（1~8）:（0.5~5）, preferably（8~12）:（10~20）:(2~6):（1~4）.
Calcium salt in microbial growth promoters 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 microbial growth promoters are the mixture of spermine, spermidine or both.
Microbial growth promoters of the present invention can also include inorganic acid azanol, and content is 0.5 ~ 15 parts by weight, excellent
It is selected as 2 ~ 10 parts by weight.The inorganic acid azanol is excellent one or more of for hydroxylamine hydrochloride, hydroxyl sulfate or phosphatic hydroxylamine
It is selected as hydroxyl sulfate.The appropriate of inorganic acid azanol adds in the generation that nitrobacteria can be directly participated in as the matrix of azanol oxygen also enzyme
Apologize for having done sth. wrong journey, shorten enzymatic reaction process, while the activator as cell can be with accelerated cell growth.
The water quality characteristic of high saline sewage of the present invention is：Ammonia nitrogen concentration is generally 30 ~ 600mg/L, COD（Cr methods,
Similarly hereinafter）For 30 ~ 1000mg/L, conductivity is 5 ~ 60ms/cm, Cu2+A concentration of 2 ~ 50mg/L, Zn2+A concentration of 2 ~ 100mg/L, SS
（Suspended matter）For 10 ~ 1000mg/L, pH is 6 ~ 10.
In biological denitrification method of the present invention, sludge sewage can come from Waste water treatment factory, catalyst
Sewage treatment plant's either municipal wastewater treatment plant etc..The temperature of sewage disposal is controlled as 18-40 DEG C, preferably 25-35 DEG C, dissolved oxygen
For 0.1 ~ 4.0mg/L, preferably 0.2 ~ 3.0mg/L, preferably pH 7.0-9.0,7.5-8.5.
The nitrobacteria that the present invention adds includes Nitromonas and Nitrosomas, and preferably Nitrosomas accounts for nitrobacteria total quantity
More than 60%, ensure that the nitrite nitrogen of reaction system accounts for more than 50% total nitration product.Nitrobacteria may be used various
Existing scheme culture can also use commercially available microbial inoculum, the nitrosation dominant bacteria that can be such as obtained according to CN201010221166.8
Group.
The denitrification microbial inoculum that the present invention uses contain Staphylococcus cohnis (Staphylococcus cohnii）FSDN-C,
Arthrobacterium（Arthrobacter creatinolyticus）FDN-1 and Shui Shi Flavobacteriums（Flavobacterium mizutaii）At least one of FDN-2；Three kinds of bacterial strains are respectively on July 14th, 2011 and on March 11st, 2010 and are preserved in
" China Committee for Culture Collection of Microorganisms's common micro-organisms center ", deposit number be respectively CGMCC NO.5062,
CGMCC No.3657、CGMCC No.3659.Above-mentioned thalline can individually cultivate after again in proportion mixing can also directly by than
Example mixed culture, is preferably directly mixed in proportion.
Microbial growth promoters of the present invention need to coordinate nitrobacteria and denitrification microbial inoculum to be carried out at the same time and add.Microorganism gives birth to
The dosage of long accelerating agent is added according to 10 ~ 40mg/L of promoter concentration in sewage disposal system, preferably 20 ~ 30mg/L into
Row adds.Nitrobacteria dosage is added according to MLSS for 30 ~ 100mg/L.After adding nitrobacteria, when nitrous acid in system
Salt nitrogen can add denitrification microbial inoculum when accounting for more than 50% total nitration product.Nitrobacteria, which can disposably add, to divide
Batch adds, and can stop adding when ammonia nitrogen concentration is less than 50mg/L in waste water.Denitrification microbial inoculum need to add in batches, preferably divide
It adds for 3 ~ 10 times, was added every 1~7 day primary.It is carried out for the first time by the volume ratio for the treated sewage amount 0.001% ~ 0.1% per hour that accounts for
It adds, gradually successively decreases later, each dosage successively decreases 30%~50% than last time, stop throwing when total nitrogen concentration is less than 50mg/L
Add.Sewage disposal system was unable to spoil disposal in 3 months after adding thalline.For intermittently operated technique, processing is dirty per hour
Water is average treatment amount.
The biological denitrification method of the high saline sewage of catalyst production process discharge proposed by the present invention, mainly by straight
It connects and adds the optimum organization of microorganism in microbial growth promoters cooperation nitrobacteria and denitrification microbial inoculum, reinforcement sludge, changes
Become the group status of denitrification microorganism to realize.
The present invention adds special composition and the microbial growth promoters of proportioning in wastewater treatment process so that is added
Nitrobacteria and denitrogenation microbial inoculum under the collective effect of metal salt, polyamines and inorganic acid azanol, realize the fast of cell
Speed proliferation, can be with fast degradation substrate, and can improve the salt resistant character of cell and the stability of system, extends thalline and uses the longevity
Life.Being used cooperatively for the different microorganism and growth promoter, can reduce the dosage of nitrobacteria and denitrogenation microbial inoculum,
Can system be able to maintain that with the high salinity in the sewage that is generated in tolerant catalyst production process, system strong shock resistance
Stable operation is higher than ammonia nitrogen and TN removel rate effect when any one microorganism is used alone when not adding accelerating agent
Fruit.
Specific embodiment
The process and effect of method are further illustrated the present invention by the following examples.
The nitrosation advantage that the nitrobacteria that embodiment uses is obtained by the 1 method culture of CN201010221166.8 embodiments
Flora.The denitrification microbial inoculum used uses and carries out denitrifying microbial inoculum described in CN201010536004.3 with nitrite,
It is preferred that simultaneously containing Staphylococcus cohnis (Staphylococcus cohnii）FSDN-C, arthrobacterium（Arthrobacter creatinolyticus）FDN-1 and Shui Shi Flavobacteriums（Flavobacterium mizutaii）It is prepared by tri- kinds of bacterial strains of FDN-2
Microbial inoculum.
The preparation of 1 microbial growth promoters of embodiment
The preparation method of microbial growth promoters of the present invention is：（1）Gold is prepared according to consisting of and parts by weight
Belong to salting liquid：Metal salt is 40 ~ 100 parts by weight, and preferably 50 ~ 80 parts by weight, the metal salt is by calcium salt, mantoquita, magnesium salts
And/or ferrous salt composition；（2）Using preceding by 5 ~ 30 parts by weight, the polyamines of preferably 10 ~ 20 parts by weight are added to metal
In salting liquid.Further, the inorganic acid that content is 0.5 ~ 15 parts by weight, preferably 2 ~ 10 parts by weight can also be added in before use
Azanol.
The microbial growth promoters of four kinds of models are prepared according to the ratio of 1 accelerating agent of table and formula using the above method,
The promoter concentration is 0.5g/L.
The formula and ratio of 1 accelerating agent of table
The preparation of 2 denitrification microbial inoculum of embodiment
1st, Staphylococcus cohnis FSDN-C, the arthrobacterium FDN-1 and Shui Shi Flavobacterium FDN-2 of the present invention are inoculated in respectively
It is activated in temperature is 30 DEG C of constant incubator on beef extract-peptone solid medium, culture medium prescription is：Beef extract：
5g/L, peptone：10g/L, NaNO2：1g/L adds in 2.0% agar, wherein Staphylococcus cohnis FSDN-C solid mediums
Middle addition 0.5mL/L methanol.The condition of culture of bacterial strain be temperature be 30 ~ 35 DEG C, 150 ~ 240rpm shake cultures to logarithmic phase
Thalline can be harvested and be used to prepare microbial bacterial agent.
2nd, be inoculated in beef extract-peptone liquid medium with connecing collarium and scrape a ring solid bacterium colony, 25 ~ 35 DEG C of temperature,
Shake culture obtains liquid bacterial agent seed liquor in 1 ~ 3 day to exponential phase under 150 ~ 240rpm aerobic conditions；Culture medium prescription
For：Beef extract：5g/L, peptone：10g/L, NaNO2：It is added in 1g/L, wherein Staphylococcus cohnis FSDN-C culture mediums
0.5mL/L methanol.
3rd, by above-mentioned Staphylococcus cohnis FSDN-C, arthrobacterium FDN-1 and Shui Shi Flavobacterium FDN-2 seed liquors according to 3:2:
1、1:1:1 and 1:2:3 ratios combine is amplified culture in the reactor with good stirring system respectively, in culture solution
A concentration of 200mg/L ~ 800mg/L of nitrite nitrogen, carbon-nitrogen mass ratio 2：1~10:1；Condition of culture is 25~35 DEG C of temperature；PH is 6.5
~10.0；Dissolved oxygen is less than 1.0mg/L.
To the liquid bacterial suspension A obtained by amplifying culture（Seed liquor mixed proportion 3:2:1）、B（Seed liquor mixed proportion
1:1:1）And C（Seed liquor mixed proportion 1:2:3）Concentration is collected, then adds in the nutrient solution of bacteria suspension two volumes.Often
Rise NO in nutrient solution2 - 、Fe2+、Mg2+、K+、Ca2+This five kinds cationic mole allocation ratios are 2000:5:20:20:15,
Middle NO2 -Mass concentration for 500mg/L, obtain denitrification microbial inoculum A, denitrification microbial inoculum B and denitrification microbial inoculum C, denitrification microbial inoculum
In, the volume of thalline accounts for about 30%.
Embodiment 3
Certain enterprise can generate the high ammonia nitrogen containing wastewater from catalyst of a large amount of saliferous in catalyst production process, and waste water quality is characterized as
Ammonia nitrogen concentration 400 ~ 600mg/L, COD a concentration of 200 ~ 500mg/L, pH 8.87, conductivity 35 ~ 40ms/cm, Cu2+A concentration of 2
~10mg/L、Zn2+A concentration of 10 ~ 20mg/L.
Using SBR process, the temperature of control process system is 30 DEG C, and DO is 2 ~ 4mg/L, pH value 7.8.When going into operation
First using the activated sludge of oil refining sewerage factory as kind of a mud, MLSS is 4000mg/L after dispensing, bored under the conditions of DO is 2 ~ 5mg/L
Start to add nitrobacteria after quick-fried 7 days, be added for the first time according to MLSS for 30mg/L, thrown again by MLSS for 20mg/L two days later
Add, while nitrobacteria is added according to sewage disposal system in promoter concentration 30mg/L add the accelerating agent of embodiment 1
Ⅰ.Two days later, the nitrite nitrogen in system accounts for the 50% of total nitration product, adds the denitrification microbial inoculum of embodiment 2 at this time for operation
A was added once every 5 days, is added by the volume ratio for accounting for treated sewage amount 0.05% per hour, gradually successively decreased later for the first time,
Each dosage successively decreases 30% than last time, adds every time dense according to accelerating agent in sewage disposal system while denitrification microbial inoculum A
Degree 20mg/L adds accelerating agent I.Water outlet ammonia nitrogen concentration is less than 25mg/L after operation 15 days, and total nitrogen concentration is less than 40mg/L, two kinds
Thalline stops adding.A period of time is continued to run with, water outlet ammonia nitrogen concentration is less than 25mg/L, COD less than 15mg/L, total nitrogen concentration
Concentration is less than 50mg/L, and conductivity is less than 1500 μ s/cm, Cu2+Concentration is less than 0.5mg/L, Zn2+Concentration is less than 1.0mg/L, real
The processing up to standard of saliferous sewage containing ammonia is showed.
Embodiment 4
The existing sewage quality of certain catalyst plant is：Ammonia nitrogen concentration 50 ~ 300mg/L, COD are 50 ~ 500mg/L, pH8.93,
Conductivity 25 ~ 35ms/cm, Cu2+A concentration of 5 ~ 10mg/L, Zn2+A concentration of 15 ~ 25mg/L, while also containing 400mg/L or so
Nitrate.Due to the influence of the metal ions such as high salt concentration and copper zinc, sewage is caused to can not achieve processing up to standard.Using this hair
Bright method is handled, and when the MLSS in original system is 3000mg/L, adds nitrobacteria, is for the first time 40mg/L according to MLSS
Add, while nitrobacteria is added according to sewage disposal system in promoter concentration 20mg/L add the promotion of embodiment 1
Agent II, water outlet ammonia nitrogen concentration less than 25mg/L, can stop adding nitrobacteria and accelerating agent after a week for operation.It continues to run with one week
Nitrosoation rate is 60% afterwards, adds the accelerating agent II of embodiment 1 and the denitrification microbial inoculum B of embodiment 2 at this time, is adding bacterium every time
Accelerating agent is added according to promoter concentration 20mg/L in sewage disposal system while agent, dosage is to account for per hour to microbial inoculum for the first time
The volume ratio of treated sewage amount 0.01% is added, and primary, each dosage was added every 3 days and successively decreases 50% than last time.Fortune
Row is discharged ammonia nitrogen after one month and total nitrogen concentration is below 25mg/L, and conductivity is less than 1500 μ s/cm, Cu2+Concentration is less than
0.5mg/L、Zn2+Concentration is less than 1.0mg/L, and sludge character is good in system, realizes the effective of saliferous Catalyst sewage containing ammonia
Processing.
Embodiment 5
Certain chemical plant saliferous containing wastewater from catalyst containing ammonia, waste water quality are characterized as：Ammonia nitrogen concentration 50 ~ 100mg/L, COD concentration
For 50 ~ 200mg/L, pH8.97, conductivity 15 ~ 25ms/cm, Cu2+A concentration of 5mg/L, Zn2+A concentration of 10mg/L.Using SBR
The process waste water due to the influence of the metal ions such as high salt concentration and copper zinc, causes to run year sewage always
It can not achieve processing up to standard.It is handled using the method for the present invention, is added for the first time according to MLSS for 30mg/L, it is thin adding nitrification
The accelerating agent III of embodiment 1 is added while bacterium according to promoter concentration 25mg/L in sewage disposal system.It runs two days later, is
Nitrite nitrogen in system accounts for the 50% of total nitration product, adds the accelerating agent III of embodiment 1 and the denitrification of embodiment 2 at this time
Microbial inoculum C, every time add microbial inoculum while according to sewage disposal system in promoter concentration 25mg/L add accelerating agent, microbial inoculum is pressed
The volume ratio for accounting for treated sewage amount 0.08% per hour is added, and is added every 5 days once, each dosage is passed than last time
Subtract 50%.For water outlet ammonia nitrogen concentration less than 15mg/L, total nitrogen concentration is less than 25mg/L after operation 20 days, and conductivity is less than 1500 μ s/
Cm, Cu2+Concentration is less than 0.5mg/L, Zn2+Concentration is less than 1.0mg/L, realizes the processing up to standard of saliferous sewage containing ammonia.
Embodiment 6
Treatment process and operating condition with embodiment 3, the difference lies in：Microbial growth promoters use embodiment 1
In accelerating agent IV.Water outlet ammonia nitrogen concentration is less than 30mg/L less than 20mg/L, total nitrogen concentration after operation 15 days, and two kinds of thalline stop
Only add.A period of time is continued to run with, water outlet ammonia nitrogen concentration is less than less than 10mg/L, total nitrogen concentration less than 20mg/L, COD concentration
45mg/L, conductivity are less than 1400 μ s/cm, Cu2+Concentration is less than 0.5mg/L, Zn2+Concentration is less than 1.0mg/L, realizes saliferous
The processing up to standard of the sewage containing ammonia.
Claims (13)
1. a kind of biological denitrification method of the high saline sewage of catalyst production process discharge, it is characterised in that in following
Hold：Using sludge sewage as microbe carrier, nitre is added under the conditions of activated sludge concentration is less than 5000mg/L
Change bacterium and microbial growth promoters, denitrification is added when nitrite nitrogen accounts for more than 50% total nitration product in system
Microbial inoculum and microbial growth promoters, when ammonia nitrogen and total nitrogen concentration are below 50mg/L, startup stage terminates, and is transported into stablizing
Turn operation；The microbial growth promoters include metal salt and polyamines, and wherein metal salt is 40 ~ 100 parts by weight,
Polyamines are 5 ~ 30 parts by weight；The metal salt is made of calcium salt, mantoquita, magnesium salts and/or ferrous salt.
2. according to the method described in claim 1, it is characterized in that：It is added under the conditions of sludge concentration is 2000~4000mg/L
Nitrobacteria and microbial growth promoters add anti-nitre when nitrite nitrogen accounts for the 50%~80% of total nitration product in system
Change microbial inoculum and microbial growth promoters；In the microbial growth promoters metal salt be 50 ~ 80 parts by weight, more amines
Matter is 10 ~ 20 parts by weight.
3. according to the method described in claim 1, it is characterized in that：Metal salt in the microbial growth promoters is calcium
Salt, magnesium salts and mantoquita, wherein Ca2+、Mg2+And Cu2+Molar ratio be（5~15）:（5~25）:（0.5~5）；Either calcium salt, Asia
Molysite and mantoquita, wherein Ca2+、Fe2+And Cu2+Molar ratio be（5~15）:（1~8）:（0.5~5）；Either calcium salt, magnesium salts, Asia
Molysite and mantoquita, wherein Ca2+、Mg2+、Fe2+And Cu2+Molar ratio be（5~15）:（5~25）:（1~8）:（0.5~5）.
4. according to the method described in claim 3, it is characterized in that：When the metal salt is calcium salt, magnesium salts and mantoquita, Ca2+、
Mg2+And Cu2+Molar ratio be（8~12）:（10~20）:（1~4）；Or when calcium salt, ferrous salt and mantoquita, Ca2+、Fe2+With
Cu2+Molar ratio be（8~12）:（2~6）:（1~4）；Or when calcium salt, magnesium salts, ferrous salt and mantoquita, Ca2+、Mg2+、Fe2+With
Cu2+Molar ratio be（8~12）:（10~20）:(2~6):（1~4）.
5. according to the method described in claim 1,2 or 3, it is characterised in that：Calcium salt in the microbial growth promoters is
CaSO4Or CaCl2；Magnesium salts is MgSO4Or MgCl2；Ferrous salt is FeSO4Or FeCl2；Mantoquita is CuSO4Or CuCl2；
Polyamines are the mixture of spermine, spermidine or both.
6. method according to claim 1 or 2, it is characterised in that：The microbial growth promoters further include inorganic acid
Azanol, content are 0.5 ~ 15 parts by weight.
7. according to the method described in claim 6, it is characterized in that：The inorganic acid azanol for hydroxylamine hydrochloride, hydroxyl sulfate or
One or more of person's phosphatic hydroxylamine, content are 2 ~ 10 parts by weight.
8. according to the method described in claim 1, it is characterized in that：The water quality characteristic of the high saline sewage is：Ammonia nitrogen is dense
It spends for 30 ~ 600mg/L, COD is 30 ~ 1000mg/L, and conductivity is 5 ~ 60ms/cm, Cu2+A concentration of 2 ~ 50mg/L, Zn2+Concentration
For 2 ~ 100mg/L, SS is 10 ~ 1000mg/L, and pH is 6 ~ 10.
9. according to the method described in claim 1, it is characterized in that：Sludge sewage comes from Waste water treatment
Factory, Catalyst sewage treatment plant either municipal wastewater treatment plant；The temperature of sewage disposal is controlled as 18-40 DEG C, dissolved oxygen for 0.1 ~
4.0mg/L, pH 7.0-9.0.
10. according to the method described in claim 9, it is characterized in that：The temperature for controlling sewage disposal is 25-35 DEG C, dissolved oxygen
For 0.2 ~ 3.0mg/L, pH 7.5-8.5.
11. according to the method described in claim 1, it is characterized in that：The nitrobacteria added includes Nitromonas and Nitrosomas,
Wherein Nitrosomas accounts for more than the 60% of nitrobacteria total quantity.
12. according to the method described in claim 1, it is characterized in that：Denitrification microbial inoculum contains Staphylococcus cohnis
(Staphylococcus cohnii）FSDN-C, arthrobacterium（Arthrobacter creatinolyticus）FDN-1 and Shui Shi
Flavobacterium（Flavobacterium mizutaii）At least one of FDN-2, three kinds of bacterial strains were respectively on July 14th, 2011
With on March 11st, 2010 and be preserved in " China Committee for Culture Collection of Microorganisms's common micro-organisms center ", deposit number
Respectively CGMCC NO.5062, CGMCC No.3657, CGMCC No.3659.
13. according to the method described in claim 1, it is characterized in that：The dosage of microbial growth promoters according to sewage at
10 ~ 40mg/L of promoter concentration is added in reason system；Nitrobacteria dosage is added according to MLSS for 30 ~ 100mg/L,
Stop adding when ammonia nitrogen concentration is less than 50mg/L in waste water；Denitrification microbial inoculum, which divides 3 ~ 10 times, to be added, and one was added every 1~7 day
It is secondary, it is added for the first time by the volume ratio for accounting for treated sewage amount 0.001% ~ 0.1% per hour, gradually successively decreases later, adds every time
Amount successively decreases 30%~50% than last time, stops adding when total nitrogen concentration is less than 50mg/L, adds sewage disposal system after thalline
Spoil disposal was unable in 3 months.
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| CN108117165B (en) * | 2016-11-29 | 2021-02-05 | 中国石油化工股份有限公司 | Method for treating ammonia-containing wastewater |
| CN111621462B (en) * | 2020-06-09 | 2021-01-19 | 江西省科学院 | Strain growth promoter for efficiently removing nitrogen in water environment and preparation method thereof |
| CN113582350A (en) * | 2021-07-19 | 2021-11-02 | 北京涞澈科技发展有限公司 | Low-temperature-resistant sulfur autotrophic microorganism activator in high-nitrogen domestic sewage and preparation method thereof |
| CN113788528B (en) * | 2021-09-13 | 2023-03-28 | 北京城市排水集团有限责任公司 | Water treatment micro filler and preparation method thereof |
| CN115353197A (en) * | 2022-06-27 | 2022-11-18 | 临清三和纺织集团有限公司 | Denitrification treatment process for removing total nitrogen in sewage |
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| CN101024542A (en) * | 2006-02-20 | 2007-08-29 | 中国科学院成都生物研究所 | Biological reinforcing technology for increasing stability of oil-contained waste water treatment system |
| CN103373763A (en) * | 2012-04-29 | 2013-10-30 | 中国石油化工股份有限公司 | Denitrification method of wastewater generated in process of producing catalytic cracking catalysts |
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| CN101024542A (en) * | 2006-02-20 | 2007-08-29 | 中国科学院成都生物研究所 | Biological reinforcing technology for increasing stability of oil-contained waste water treatment system |
| CN103373763A (en) * | 2012-04-29 | 2013-10-30 | 中国石油化工股份有限公司 | Denitrification method of wastewater generated in process of producing catalytic cracking catalysts |
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