CN109437401A - The method that short distance nitration couples Anammox processing pyridine base high ammonia-nitrogen wastewater - Google Patents
The method that short distance nitration couples Anammox processing pyridine base high ammonia-nitrogen wastewater Download PDFInfo
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- CN109437401A CN109437401A CN201811584809.8A CN201811584809A CN109437401A CN 109437401 A CN109437401 A CN 109437401A CN 201811584809 A CN201811584809 A CN 201811584809A CN 109437401 A CN109437401 A CN 109437401A
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- anammox
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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
- C02F3/307—Nitrification and denitrification treatment characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1263—Sequencing batch reactors [SBR]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
- C02F3/303—Nitrification and denitrification treatment characterised by the nitrification
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The present invention provides a kind of methods that short distance nitration couples Anammox processing pyridine base high ammonia-nitrogen wastewater, the processing method are as follows: will be enriched in the seed sludge access sbr reactor device of nitrobacteria, it is certain to control influent ammonium concentration, pH is 7.5-8.5, seed sludge concentration 3g/L, when ventilatory capacity 0.4-0.6L/ (Lmin), hydraulic detention time 8-12h, 20-35 DEG C of temperature, nitrite nitrogen cumulative percentage is more than or equal to 98%, after 30 days, it is transferred to progress Anammox reaction in Anammox sbr reactor device；The present invention mainly carries out coupled reaction using matter utilization ammoxidation original in sewage and anaerobic ammonia oxidizing bacteria, and less energy consumption saves additional carbon cost, and by accurate optimal control reaction condition, ammonia nitrogen removal nitrogen rate is up to 98%.
Description
Technical field
The present invention relates to biological assistant technical fields, and in particular to a kind of short distance nitration couples Anammox processing pyridine
The method of alkali high ammonia-nitrogen wastewater.
Background technique
In order to solve denitrification stage additional carbon investment and oxygen consumption, high cost of highly energy-consuming etc. in processing high ammonia-nitrogen wastewater
Problem, the method that the present invention couples Anammox processing high ammonia-nitrogen wastewater using short distance nitration, this method save additional carbon
Investment reduces energy consumption, saves operating cost.The method is not only for low ammonia nitrogen concentration waste water significant effect, for high ammonia nitrogen work
Industry waste water effect is also fine.
Traditional bio-denitrification technology is divided into nitrification stage and denitrification stage, and two stages are nitrified thin by different microorganisms
Come what is completed, the also difference of the requirement to reactor environment carries out nitrification, detests under aerobic condition for bacterium and denitrifying bacteria
Denitrification reaction is carried out under the conditions of oxygen.Thus the biological denitrification process set up mostly distinguishes aerobic zone and anaerobism
It opens.Therefore traditional biological denitrogenation has the consumption of oxygen larger, requires supplementation with additional carbon, and have a large amount of excess sludges and two
The generation of carbonoxide.
A kind of method using bio-denitrification technology processing sewage is disclosed in Chinese patent CN107879551A at present, is related to
And technical field of sewage, comprising the following steps: sewage is imported into sedimentation basin, after precipitating, supernatant liquid is extracted and passes sequentially through
No.1 circular hole strainer and No. two circular hole strainer filterings；Sewage is imported into ammonification pond and carries out an Air Exposure, adjusts sewage pH
To 7, amonifying bacteria mixed bacteria liquid is added into ammonification pond, ammoniated treatment is carried out to sewage；Secondary Air Exposure is carried out, then will be dirty
Water imports in fluidized-bed reactor, and fluidized-bed reactor includes concatenated nitrification room and denitrification room, and nitrification is indoor to be equipped with nitrification
Sludge is equipped with denitrification sludge in denitrification room, and sewage is successively discharged after nitrification processing, denitrification processing and filtering, should
Invention has easy to operate, and processing cost is low, and treatment effeciency is high, the good beneficial effect of effect.
But existing bio-denitrification technology, which usually exists, needs additional carbon to put into, the high defect of energy consumption.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of short distance nitrations to couple Anammox processing pyrrole
The method of pyridine alkali high ammonia-nitrogen wastewater, effectively compensates for defect of the existing technology.
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of method that short distance nitration couples Anammox processing pyridine base high ammonia-nitrogen wastewater, processing method are as follows:
It will be enriched in the seed sludge access sbr reactor device of nitrobacteria, control influent ammonium concentration is certain, pH 7.5-
8.5, when seed sludge concentration 3g/L, ventilatory capacity 0.4-0.6L/ (Lmin), hydraulic detention time 8-12h, 20-35 DEG C of temperature,
After nitrite nitrogen cumulative percentage is more than or equal to 98%, 30 days, it is transferred to progress Anammox reaction in Anammox sbr reactor device.
Preferably, the seed sludge rich in nitrobacteria is selected from the aerobic activated sludge of sewage treatment plant.
Preferably, the sbr reactor device is made of organic glass, which is internal diameter 9cm, high 30cm, always holds
The cylindrical reactor of product 2L, dischargeable capacity 1L, the cycle of operation are for 24 hours.
Preferably, the sbr reactor device is run according to the 50% water ratio that changes, and passing in and out water volume daily is 0.5L.
Preferably, influent ammonium concentration 500-800mg/L.
Preferably, the Anammox sbr reactor device is made of organic glass, dischargeable capacity 1L.
Anammox can be calculated according to the element of microorganism composition to react to obtain the consumption of ammonia and nitrite
Yield ratio with nitrate is 1:1.32:0.26, total chemical equation are as follows:
NH4++1.32NO2 -+0.066HCO3-+0.13H+→0.26NO3-
+1.02N2+0.066CH2O0.5N0.15+2.03H2O
The beneficial effects of the present invention are:
The method that the present invention couples Anammox processing high ammonia-nitrogen wastewater using short distance nitration, this method save external carbon
Source investment, reduces energy consumption, saves operating cost.
The present invention is also fine for industrial waste water with high ammoniac nitrogen effect not only for low ammonia nitrogen concentration waste water significant effect；This
Invention couples Anammox method using short distance nitration, and accurate optimal control reaction condition, ammonia nitrogen removal nitrogen rate is up to 98%, phase
Not higher than traditional denitrification percent have larger benifit.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Embodiment 1:
A kind of method that short distance nitration couples Anammox processing pyridine base high ammonia-nitrogen wastewater, the processing method are as follows:
It will be enriched in pick up from rich in the seed sludge of nitrobacteria in the seed sludge access sbr reactor device of nitrobacteria
In the aerobic activated sludge of sewage treatment plant；When control influent ammonia nitrogen 650mg/L, seed sludge concentration 3g/L, pH value of intaking
7.5, when ventilatory capacity 0.4L/ (Lmin), hydraulic detention time 12h, 35 DEG C of running temperature, and its nitrite nitrogen cumulative percentage protects 98%
More than, mineralized nitrogen rate is discharged ammonia nitrogen/nitrite nitrogen ratio 1:1.55, close to ammonia nitrogen in anaerobic ammonia oxidation process between 60.3%
With the ratio between nitrite nitrogen 1:1.32；It is discharged to have tamed 30 days and carries out anaerobism in good Anammox sbr reactor device
Ammoxidation reaction ammonia nitrogen and nitrous nitrogen removal efficiency are reachable to 98.5%.
Embodiment 2:
A kind of method that short distance nitration couples Anammox processing pyridine base high ammonia-nitrogen wastewater, the processing method are as follows:
It will be enriched in pick up from rich in the seed sludge of nitrobacteria in the seed sludge access sbr reactor device of nitrobacteria
In the aerobic activated sludge of sewage treatment plant；When control influent ammonia nitrogen 550mg/L, seed sludge concentration 3g/L, pH value of intaking
8.0, when ventilatory capacity 0.4L/ (Lmin), hydraulic detention time 12h, 30 DEG C of running temperature, and its nitrite nitrogen cumulative percentage protects 98%
More than, mineralized nitrogen rate is discharged ammonia nitrogen/nitrite nitrogen ratio 1:1.53, close to ammonia nitrogen in anaerobic ammonia oxidation process between 65.3%
With the ratio between nitrite nitrogen 1:1.32；It is discharged to have tamed 30 days and carries out anaerobism in good Anammox sbr reactor device
Ammoxidation reaction ammonia nitrogen and nitrous nitrogen removal efficiency are reachable to 97.5%.
Embodiment 3:
A kind of method that short distance nitration couples Anammox processing pyridine base high ammonia-nitrogen wastewater, the processing method are as follows:
It will be enriched in pick up from rich in the seed sludge of nitrobacteria in the seed sludge access sbr reactor device of nitrobacteria
In the aerobic activated sludge of sewage treatment plant；When control influent ammonia nitrogen 700mg/L, seed sludge concentration 3g/L, pH value of intaking
8.5, when ventilatory capacity 0.6L/ (Lmin), hydraulic detention time 12h, 25 DEG C of running temperature, and its nitrite nitrogen cumulative percentage protects 98%
More than, mineralized nitrogen rate is discharged ammonia nitrogen/nitrite nitrogen ratio 1:1.48, close to ammonia nitrogen in anaerobic ammonia oxidation process between 67.3%
With the ratio between nitrite nitrogen 1:1.32；It is discharged to have tamed 30 days and carries out anaerobism in good Anammox sbr reactor device
Ammoxidation reaction ammonia nitrogen and nitrous nitrogen removal efficiency are reachable to 98.2%.
Embodiment 4:
A kind of method that short distance nitration couples Anammox processing pyridine base high ammonia-nitrogen wastewater, the processing method are as follows:
It will be enriched in pick up from rich in the seed sludge of nitrobacteria in the seed sludge access sbr reactor device of nitrobacteria
In the aerobic activated sludge of sewage treatment plant；When control influent ammonia nitrogen 800mg/L, seed sludge concentration 3g/L, pH value of intaking
7.5, when ventilatory capacity 0.4L/ (Lmin), hydraulic detention time 12h, 35 DEG C of running temperature, and its nitrite nitrogen cumulative percentage protects 98%
More than, mineralized nitrogen rate is discharged ammonia nitrogen/nitrite nitrogen ratio 1:1.42, close to ammonia nitrogen in anaerobic ammonia oxidation process between 70.3%
With the ratio between nitrite nitrogen 1:1.32；It is discharged to have tamed 30 days and carries out anaerobism in good Anammox sbr reactor device
Ammoxidation reaction ammonia nitrogen and nitrous nitrogen removal efficiency are reachable to 98.8%.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. a kind of method that short distance nitration couples Anammox processing pyridine base high ammonia-nitrogen wastewater, which is characterized in that the processing
Method are as follows:
It will be enriched in the seed sludge access sbr reactor device of nitrobacteria, control influent ammonium concentration is certain, pH 7.5-8.5,
When seed sludge concentration 3g/L, ventilatory capacity 0.4-0.6L/ (Lmin), hydraulic detention time 8-12h, 20-35 DEG C of temperature, nitrous
After nitrogen cumulative percentage is more than or equal to 98%, 30 days, it is transferred to progress Anammox reaction in Anammox sbr reactor device.
2. the method that short distance nitration according to claim 1 couples Anammox processing pyridine base high ammonia-nitrogen wastewater,
It is characterized in that, the seed sludge rich in nitrobacteria is selected from the aerobic activated sludge of sewage treatment plant.
3. the method that short distance nitration according to claim 1 couples Anammox processing pyridine base high ammonia-nitrogen wastewater,
Be characterized in that, the sbr reactor device is made of organic glass, the sbr reactor device be internal diameter 9cm, high 30cm, total measurement (volume) 2L,
The cylindrical reactor of dischargeable capacity 1L, the cycle of operation are for 24 hours.
4. the method that short distance nitration according to claim 1 couples Anammox processing pyridine base high ammonia-nitrogen wastewater,
It is characterized in that, the sbr reactor device is run according to the 50% water ratio that changes, and passing in and out water volume daily is 0.5L.
5. the method that short distance nitration according to claim 1 couples Anammox processing pyridine base high ammonia-nitrogen wastewater,
It is characterized in that, influent ammonium concentration 500-800mg/L.
6. the method that short distance nitration according to claim 1 couples Anammox processing pyridine base high ammonia-nitrogen wastewater,
It is characterized in that, the Anammox sbr reactor device is made of organic glass, dischargeable capacity 1L.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583885A (en) * | 2012-02-16 | 2012-07-18 | 北京工业大学 | Technology and method for treating urban sewage by three-section short-cut nitrification/ anaerobic ammonia oxidation |
| CN103172175A (en) * | 2013-03-22 | 2013-06-26 | 北京交通大学 | Method and device for synchronous partial nitrification and biofilm anaerobic ammonia oxidation |
| CN106186323A (en) * | 2016-08-25 | 2016-12-07 | 福建省环境科学研究院 | A kind of method starting integration short distance nitration anaerobic ammonia oxidation process |
| CN106966500A (en) * | 2017-04-18 | 2017-07-21 | 华南理工大学 | Ammonia nitrogen waste water biochemical denitrification processing unit and technique that short distance nitration is combined with Anammox |
-
2018
- 2018-12-24 CN CN201811584809.8A patent/CN109437401A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583885A (en) * | 2012-02-16 | 2012-07-18 | 北京工业大学 | Technology and method for treating urban sewage by three-section short-cut nitrification/ anaerobic ammonia oxidation |
| CN103172175A (en) * | 2013-03-22 | 2013-06-26 | 北京交通大学 | Method and device for synchronous partial nitrification and biofilm anaerobic ammonia oxidation |
| CN106186323A (en) * | 2016-08-25 | 2016-12-07 | 福建省环境科学研究院 | A kind of method starting integration short distance nitration anaerobic ammonia oxidation process |
| CN106966500A (en) * | 2017-04-18 | 2017-07-21 | 华南理工大学 | Ammonia nitrogen waste water biochemical denitrification processing unit and technique that short distance nitration is combined with Anammox |
Non-Patent Citations (1)
| Title |
|---|
| 林琳: "焦化废水厌氧氨氧化生物脱氮应用研究", 《万方硕士论文库》 * |
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Application publication date: 20190308 |