CN104761049A - Nitrification capacity quick repairing method of waste water bio-treatment system - Google Patents
Nitrification capacity quick repairing method of waste water bio-treatment system Download PDFInfo
- Publication number
- CN104761049A CN104761049A CN201510108490.1A CN201510108490A CN104761049A CN 104761049 A CN104761049 A CN 104761049A CN 201510108490 A CN201510108490 A CN 201510108490A CN 104761049 A CN104761049 A CN 104761049A
- Authority
- CN
- China
- Prior art keywords
- biochemistry pool
- nitrobacteria
- ammonia nitrogen
- adds
- concentration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Activated Sludge Processes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to a nitrification capacity quick repairing method of a waste water bio-treatment system, which includes following steps: (1) regulating the activated sludge concentration, dissolved oxygen, temperature and pH value of a biochemical tank, and meanwhile regulating the ammonia nitrogen concentration of the system in the biochemical tank; (2) adding activated charcoal powder into the biochemical tank; (3) adding nitrifying bacteria into the biochemical tank; (4) after 0.5-2 h after the first-time addition of the nitrifying bacteria, adding a sludge conditioner into the biochemical tank, wherein the waste water bio-treatment system does not discharge sludge within 7 days after the first-time addition of the nitrifying bacteria. Compared with a natural recovery method requiring more than 15 days in the prior art, the repairing method is reduced in repairing period to 1-1.5 days, wherein water feeding is unnecessary to stop, so that the waste water bio-treatment system is quickly and greatly improved in the nitrification capacity and the ammonia nitrogen in discharged water can be reduced to be less than 4 mg/L stably. The method provides strong technical support the ammonia nitrogen index of a waste water treatment plant to stably meet the standard.
Description
Technical field
The present invention relates to a kind of biological treatment of waste water system nitrification ability fast repairing method, belong to technical field of waste water processing.
Background technology
The treatment process of waste water mainly comprises the combined method of physical treatment process, method of chemical treatment, biological treatment and these treatment processs.Wherein, biological treatment is cheap with its processing costs, treatment effect well, does not produce the advantages such as secondary pollution and is widely used, and becomes the main stream approach of wastewater treatment both at home and abroad at present.
The bioremediation of waste water is the vital movement process by microorganism, is carried out shifting and transforming by the pollutent (COD, ammonia nitrogen, total phosphorus etc.) in waste water, thus waste water is purified.Wherein, in the process of some high nitrogenous effluent treatment, the nitrification ability of biochemical system is most important to the removal of ammonia nitrogen in waste water.In the biological treatment system of waste water, performance nitrification ability, mainly nitrobacteria, this bacterium belongs to autotroph, with the basicity in waste water for carbon source, is nitrate or nitrite by the mineralized nitrogen in waste water, thus realizes the removal of ammonia nitrogen in waste water.The nitrobacteria of degradation of ammonia nitrogen is compared with the broad spectrum of bacteria of degraded COD; the feature such as (dissolved oxygen, temperature, basicity, pH etc.), impact resistance low (toxicant, heavy metal etc.) that has that reproduction speed is slow, environmental compatibility is poor; result in the biological treatment system of waste water after being subject to extrinsic factor impact; nitrification ability often can be damaged, and causes system water outlet ammonia nitrogen to exceed standard.
After biological treatment of waste water system nitrification ability is destroyed, the measure usually taked at present is stopping water inlet, renewed vaccination mud, the vexed system of exposing to the sun allow system clear-cutting forestland.The problems such as the method exists the restore cycle long (usually needing more than 15 days), large to Influence of production, reparation phase internal drainage exceeds standard.Therefore, biological treatment of waste water system nitrification ability is destroyed, and how to realize the quick reparation of nitrification ability, becomes the general character difficult problem that current waste water treatment plant faces.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of and repair the biological treatment of waste water system nitrification ability fast repairing method that speed is fast, repairing effect good, rehabilitation expense is cheap.
Technical scheme of the present invention is as follows:
A kind of biological treatment of waste water system nitrification ability fast repairing method, comprises the steps:
(1) regulate that activated sludge concentration in biochemistry pool is 2500 ~ 4000mg/L, dissolved oxygen is 3.0 ~ 5.0mg/L, temperature 15 DEG C ~ 40 DEG C, pH are 7.5 ~ 9.0, to regulate in biochemistry pool system ammonia nitrogen concentration not higher than 80mg/L simultaneously;
(2) in biochemistry pool, add activity charcoal powder, dosage adds 40 ~ 60mg by often liter of biochemistry pool useful volume;
(3) after adding activity charcoal powder 2 ~ 5h to biochemistry pool, in biochemistry pool, add nitrobacteria, nitrobacteria dosage is calculated as follows:
Nitrobacteria dosage=α X
In formula, α is 0.5 ~ 0.8, X for biochemistry pool designs ammonia nitrogen removal amount every day;
(4) after adding nitrobacteria 0.5 ~ 2h for the first time, sludge conditioner is added in biochemistry pool, dosage adds 0.01 ~ 0.05kg by every cubic metre of biochemistry pool useful volume, adds after nitrobacteria in 7 days for the first time, biological treatment of waste water system not blowdown mud.
Preferred according to the present invention, in described step (1), regulate activated sludge concentration in biochemistry pool to be 3000 ~ 3500mg/L.
Preferred according to the present invention, in described step (1), regulate activated sludge concentration in biochemistry pool, step is as follows:
When biochemistry pool activated sludge concentration is higher than 4000mg/L, reduce biochemistry pool sludge concentration by the mode of second pond excess sludge spoil disposal; When biochemistry pool sludge concentration is lower than 2500mg/L, improve activated sludge concentration by the mode of adding municipal sewage plant activated sludge to biochemistry pool.
Preferred according to the present invention, in described step (1), regulate system ammonia nitrogen concentration in biochemistry pool, step is as follows:
When system ammonia nitrogen concentration is higher than 80mg/L in biochemistry pool, reduce the ammonia nitrogen concentration of system in biochemistry pool to below 80mg/L by the water adding low ammonia nitrogen concentration in biochemistry pool;
Preferred according to the present invention, in described step (2), the mode adding activity charcoal powder is that activity charcoal powder and water to be mixed with mass concentration be add after the slurries of 5%.
Preferred according to the present invention, in described step (2), the activity charcoal powder added is active fruit shell carbon powder, and particle diameter is 200 orders.
Preferred according to the present invention, in described step (3), as ammonia nitrogen concentration < 50mg/L, α value is 0.5; As 50mg/L≤ammonia nitrogen concentration < 100mg, α value is 0.6; As 100mg/L≤ammonia nitrogen concentration < 200mg, α value is 0.7; As ammonia nitrogen concentration >=200mg, α value is 0.8.
Preferred according to the present invention, in described step (3), nitrobacteria is divided and adds for three times in biochemistry pool, first time adds 45 ~ 55% of nitrobacteria total mass, first time adds 25 ~ 35% of nitrobacteria total mass after adding 20 ~ 28h for the second time, and after second time adds 20 ~ 28h, third time adds 15 ~ 25% of nitrobacteria total mass.
Preferred according to the present invention, in described step (3), the nitrobacteria added is nitrifier BioRemove 5805.Novozymes Company of nitrifier BioRemove 5805 Denmark is on sale.
Preferred according to the present invention, in described step (4), the sludge conditioner added in biochemistry pool is the active sludge amendment that Environmental Science Institute environmental science and technology company limited of Shandong Province sells.The sludge conditioner added in biochemistry pool can adopt the common commercially available sludge conditioner in this area.
Beneficial effect
1, the present invention is by controlling in biochemistry pool reasonably sludge concentration, for nitrifier propagation and keep good carrier be provided; By controlling the concentration of ammonia nitrogen in biochemistry pool, biochemistry pool system ammonia nitrogen in high density is effectively avoided to suppress and toxic action, for the fast breeding of nitrifier and the fast lifting of nitrification ability provide favourable conditions nitrobacteria and the life of other production by biological; By adding activity charcoal powder to biochemical system, the nitrobacteria Proliferation Ability material such as solvability heavy metal ion, bio-toxicity material free in efficient adsorption enrichment biochemistry pool, for the fast breeding of nitrobacteria and the fast lifting of nitrification ability provide favourable conditions;
2, the present invention by adding active sludge amendment in biochemistry pool, improves the structure of active sludge in biochemistry pool fast, strengthen the nitrobacteria that adds and active sludge in conjunction with effect, to preventing nitrobacteria loss, there is significant promoter action; By formulating the dosage of nitrobacteria and the relation of biochemistry pool ammonia nitrogen removal amount, the science for nitrobacteria adds and provides foundation;
3, restorative procedure of the present invention, the clear-cutting forestland method of the need more than 15 days of more conventional employing is compared, repairing efficiency can foreshorten to 1 ~ 1.5 day, and without the need to stopping water inlet (namely manufacturing enterprise is without the need to stopping production) in repairing efficiency, biochemical system nitrification ability can promote fast, significantly, within water outlet ammonia nitrogen Absorbable organic halogens is down to 4mg/L, for the stably reaching standard of waste water treatment plant's ammonia nitrogen index provides strong technical support.
Embodiment
Below in conjunction with embodiment, technical scheme of the present invention is described further, but institute of the present invention protection domain is not limited thereto.
Material source
Activity charcoal powder, common commercially available active fruit shell carbon powder.
Nitrifier BioRemove 5805, Novozymes Company of Denmark is on sale.
Active sludge amendment, Environmental Science Institute environmental science and technology company limited of Shandong Province is on sale.
Embodiment 1
The leather-making waste water biochemical treatment system of Shandong Zibo leather-making enterprises, biochemistry pool index is: biochemistry pool sludge concentration 9650mg/L, dissolved oxygen is between 1.5 ~ 2.0mg/L, in biochemistry pool, system temperature is between 25 DEG C ~ 27 DEG C, in biochemistry pool, system pH is between 7.0 ~ 7.3, and in biochemistry pool, system ammonia nitrogen concentration is 345mg/L.
A kind of biological treatment of waste water system nitrification ability fast repairing method, comprises the steps:
(1) regulate that activated sludge concentration in biochemistry pool is 3350 ~ 3450mg/L, dissolved oxygen is 3.5 ~ 4.0mg/L, temperature 25 DEG C ~ 27 DEG C, add sodium bicarbonate and adjust pH to be 7.5 ~ 8.0, in biochemistry pool, add tap water simultaneously to regulate in biochemistry pool system ammonia nitrogen concentration to 75mg/L;
(2) in biochemistry pool, add activity charcoal powder, dosage adds 50mg by often liter of biochemistry pool useful volume, and dosing method is that activity charcoal powder and water to be made into mass concentration be after the slurries of 5%, disposablely adds in biochemistry pool;
(3) after adding activity charcoal powder 3h to biochemistry pool, nitrobacteria is added in biochemistry pool, nitrobacteria is divided and adds for three times in biochemistry pool, first time adds 50% of nitrobacteria total amount, first time adds 30% of nitrobacteria total amount after adding 24h for the second time, and after second time adds 24h, third time adds 20% of nitrobacteria total amount; Nitrobacteria dosage is calculated as follows:
Nitrobacteria dosage=α X
In formula, α is 0.8, X for biochemistry pool designs ammonia nitrogen removal amount every day;
(4) after adding nitrobacteria 1h for the first time, in biochemistry pool, add sludge conditioner, dosage adds 0.01kg by every cubic metre of biochemistry pool useful volume, adds after nitrobacteria in 7 days for the first time, biological treatment of waste water system not blowdown mud.
After testing, after first time adds nitrifier 30h, water outlet ammonia nitrogen is down to 2mg/L.
Embodiment 2
The industrial park waste water biochemical treatment system of Jinan, Shandong Province garden waste water treatment plant, biochemistry pool index is: biochemistry pool sludge concentration 1200mg/L, dissolved oxygen is between 2.0 ~ 2.5mg/L, in biochemistry pool, system temperature is between 16 DEG C ~ 18 DEG C, in biochemistry pool, system pH is between 7.1 ~ 7.4, and in biochemistry pool, system ammonia nitrogen concentration is 56mg/L.
A kind of biological treatment of waste water system nitrification ability fast repairing method, comprises the steps:
(1) regulate that activated sludge concentration in biochemistry pool is 3050 ~ 3150mg/L, dissolved oxygen is 3.0 ~ 3.5mg/L, temperature 16 DEG C ~ 18 DEG C, add sodium bicarbonate and adjust pH to be 7.5 ~ 7.7, keep ammonia nitrogen concentration 56mg/L in biochemistry pool;
(2) in biochemistry pool, add activity charcoal powder, dosage adds 40mg by often liter of biochemistry pool useful volume, and dosing method is that activity charcoal powder and water to be made into mass concentration be after the slurries of 5%, disposablely adds in biochemistry pool;
(3) after adding activity charcoal powder 2.5h to biochemistry pool, nitrobacteria is added in biochemistry pool, nitrobacteria is divided and adds for three times in biochemistry pool, first time adds 55% of nitrobacteria total amount, first time adds 25% of nitrobacteria total amount after adding 24h for the second time, and after second time adds 24h, third time adds 20% of nitrobacteria total amount; Nitrobacteria dosage is calculated as follows:
Nitrobacteria dosage=α X
In formula, α is 0.5, X for biochemistry pool designs ammonia nitrogen removal amount every day;
(4) after adding nitrobacteria 1.5h for the first time, in biochemistry pool, add sludge conditioner, dosage adds 0.02kg by every cubic metre of biochemistry pool useful volume, adds after nitrobacteria in 7 days for the first time, biological treatment of waste water system not blowdown mud.
After testing, after first time adds nitrifier 25h, water outlet ammonia nitrogen is down to 0.5mg/L.
Embodiment 3
The pharmacy waste water biochemical treatment system of Heze City, Shandong Province pharmacy corporation, biochemistry pool index is: biochemistry pool sludge concentration 2800mg/L, dissolved oxygen is between 1.5-2.0mg/L, in biochemistry pool, system temperature is between 28 DEG C-30 DEG C, in biochemistry pool, system pH is between 6.8-7.3, and in biochemistry pool, system ammonia nitrogen concentration is 260mg/L.
A kind of biological treatment of waste water system nitrification ability fast repairing method, comprises the steps:
(1) regulate that activated sludge concentration in biochemistry pool is 3350 ~ 3450mg/L, dissolved oxygen is 3.5 ~ 4.0mg/L, temperature 28 DEG C ~ 30 DEG C, add sodium bicarbonate and adjust pH to be 8.0 ~ 8.5, reduce the ammonia nitrogen concentration of system in biochemistry pool to 78mg/L by the mode adding sanitary sewage in biochemistry pool;
(2) in biochemistry pool, add activity charcoal powder, dosage adds 60mg by often liter of biochemistry pool useful volume, and dosing method is that activity charcoal powder and water to be made into mass concentration be after the slurries of 5%, disposablely adds in biochemistry pool;
(3) after adding activity charcoal powder 3.5h to biochemistry pool, nitrobacteria is added in biochemistry pool, nitrobacteria is divided and adds for three times in biochemistry pool, first time adds 45% of nitrobacteria total amount, first time adds 30% of nitrobacteria total amount after adding 20h for the second time, and after second time adds 28h, third time adds 25% of nitrobacteria total amount; Nitrobacteria dosage is calculated as follows:
Nitrobacteria dosage=α X
In formula, α is 0.5, X for biochemistry pool designs ammonia nitrogen removal amount every day;
(4) after adding nitrobacteria 0.5h for the first time, in biochemistry pool, add sludge conditioner, dosage adds 0.03kg by every cubic metre of biochemistry pool useful volume, adds after nitrobacteria in 7 days for the first time, biological treatment of waste water system not blowdown mud.
After testing, after first time adds nitrifier 35h, water outlet ammonia nitrogen is down to 3mg/L.
Comparative example 1
The leather-making waste water biochemical treatment system of Shandong Zibo leather-making enterprises, biochemistry pool index is: biochemistry pool sludge concentration 9650mg/L, dissolved oxygen is between 1.5 ~ 2.0mg/L, in biochemistry pool, system temperature is between 25 DEG C ~ 27 DEG C, in biochemistry pool, system pH is between 7.0 ~ 7.3, and in biochemistry pool, system ammonia nitrogen concentration is 345mg/L.
A kind of biological treatment of waste water system nitrification ability fast repairing method, comprises the steps:
(1) regulate that activated sludge concentration in biochemistry pool is 3350 ~ 3450mg/L, dissolved oxygen is 3.5 ~ 4.0mg/L, temperature 25 DEG C ~ 27 DEG C, add sodium bicarbonate and adjust pH to be 7.5 ~ 8.0, in biochemistry pool, add tap water simultaneously to regulate in biochemistry pool system ammonia nitrogen concentration to 160mg/L;
(2) in biochemistry pool, add activity charcoal powder, dosage adds 50mg by often liter of biochemistry pool useful volume, and dosing method is that activity charcoal powder and water to be made into mass concentration be after the slurries of 5%, disposablely adds in biochemistry pool;
(3) after adding activity charcoal powder 3h to biochemistry pool, nitrobacteria is added in biochemistry pool, nitrobacteria is divided and adds for three times in biochemistry pool, first time adds 50% of nitrobacteria total amount, first time adds 30% of nitrobacteria total amount after adding 24h for the second time, and after second time adds 24h, third time adds 20% of nitrobacteria total amount; Nitrobacteria dosage is calculated as follows:
Nitrobacteria dosage=α X
In formula, α is 0.8, X for biochemistry pool designs ammonia nitrogen removal amount every day;
(4) after adding nitrobacteria 1h for the first time, in biochemistry pool, add sludge conditioner, dosage adds 0.01kg by every cubic metre of biochemistry pool useful volume, adds after nitrobacteria in 7 days for the first time, biological treatment of waste water system not blowdown mud.
After testing, after first time adds nitrifier 30h, water outlet ammonia nitrogen is down to 96mg/L.
Comparative example 2
The leather-making waste water biochemical treatment system of Shandong Zibo leather-making enterprises, biochemistry pool index is: biochemistry pool sludge concentration 9650mg/L, dissolved oxygen is between 1.5 ~ 2.0mg/L, in biochemistry pool, system temperature is between 25 DEG C ~ 27 DEG C, in biochemistry pool, system pH is between 7.0 ~ 7.3, and in biochemistry pool, system ammonia nitrogen concentration is 345mg/L.
A kind of biological treatment of waste water system nitrification ability fast repairing method, comprises the steps:
(1) regulate that activated sludge concentration in biochemistry pool is 3350 ~ 3450mg/L, dissolved oxygen is 3.5 ~ 4.0mg/L, temperature 25 DEG C ~ 27 DEG C, add sodium bicarbonate and adjust pH to be 7.5 ~ 8.0, in biochemistry pool, add tap water simultaneously to regulate in biochemistry pool system ammonia nitrogen concentration to 75mg/L;
(2) in biochemistry pool, add activity charcoal powder, dosage adds 10mg by often liter of biochemistry pool useful volume, and dosing method is that activity charcoal powder and water to be made into mass concentration be after the slurries of 5%, disposablely adds in biochemistry pool;
(3) after adding activity charcoal powder 3h to biochemistry pool, nitrobacteria is added in biochemistry pool, nitrobacteria is divided and adds for three times in biochemistry pool, first time adds 50% of nitrobacteria total amount, first time adds 30% of nitrobacteria total amount after adding 24h for the second time, and after second time adds 24h, third time adds 20% of nitrobacteria total amount; Nitrobacteria dosage is calculated as follows:
Nitrobacteria dosage=α X
In formula, α is 0.8, X for biochemistry pool designs ammonia nitrogen removal amount every day;
(4) after adding nitrobacteria 1h for the first time, in biochemistry pool, add sludge conditioner, dosage adds 0.01kg by every cubic metre of biochemistry pool useful volume, adds after nitrobacteria in 7 days for the first time, biological treatment of waste water system not blowdown mud.After testing, after first time adds nitrifier 30h, water outlet ammonia nitrogen is down to 25mg/L.
Comparative example 3
The leather-making waste water biochemical treatment system of Shandong Zibo leather-making enterprises, biochemistry pool index is: biochemistry pool sludge concentration 9650mg/L, dissolved oxygen is between 1.5 ~ 2.0mg/L, in biochemistry pool, system temperature is between 25 DEG C ~ 27 DEG C, in biochemistry pool, system pH is between 7.0 ~ 7.3, and in biochemistry pool, system ammonia nitrogen concentration is 345mg/L.
A kind of biological treatment of waste water system nitrification ability fast repairing method, comprises the steps:
(1) regulate that activated sludge concentration in biochemistry pool is 3350 ~ 3450mg/L, dissolved oxygen is 3.5 ~ 4.0mg/L, temperature 25 DEG C ~ 27 DEG C, add sodium bicarbonate and adjust pH to be 7.5 ~ 8.0, in biochemistry pool, add tap water simultaneously to regulate in biochemistry pool system ammonia nitrogen concentration to 75mg/L;
(2) in biochemistry pool, add activity charcoal powder, dosage adds 50mg by often liter of biochemistry pool useful volume, and dosing method is that activity charcoal powder and water to be made into mass concentration be after the slurries of 5%, disposablely adds in biochemistry pool;
(3) after adding activity charcoal powder 3h to biochemistry pool, nitrobacteria is added in biochemistry pool, nitrobacteria is divided and adds for three times in biochemistry pool, first time adds 50% of nitrobacteria total amount, first time adds 30% of nitrobacteria total amount after adding 24h for the second time, and after second time adds 24h, third time adds 20% of nitrobacteria total amount; Nitrobacteria dosage is calculated as follows:
Nitrobacteria dosage=α X
In formula, α is 0.4, X for biochemistry pool designs ammonia nitrogen removal amount every day;
(4) after adding nitrobacteria 1h for the first time, in biochemistry pool, add sludge conditioner, dosage adds 0.01kg by every cubic metre of biochemistry pool useful volume, adds after nitrobacteria in 7 days for the first time, biological treatment of waste water system not blowdown mud.
After testing, after first time adds nitrifier 30h, water outlet ammonia nitrogen is down to 32mg/L.
Interpretation of result
As can be seen from the contrast effect of above-described embodiment 1 with comparative example 1, comparative example 2 and comparative example 3, the value of system ammonia nitrogen concentration, activity charcoal powder dosage, α changes separately any one condition, all there is remarkably influenced to last water outlet ammonia nitrogen measurer, therefore, can finding out between above-mentioned condition it is coordinate to eliminate the restraining effect that high ammonia nitrogen breeds nitrifier by cooperatively interacting, jointly realizing the object of the fast breeding of nitrifier.
Claims (8)
1. a biological treatment of waste water system nitrification ability fast repairing method, is characterized in that, comprises the steps:
(1) regulate that activated sludge concentration in biochemistry pool is 2500 ~ 4000mg/L, dissolved oxygen is 3.0 ~ 5.0mg/L, temperature 15 DEG C ~ 40 DEG C, pH are 7.5 ~ 9.0, to regulate in biochemistry pool system ammonia nitrogen concentration not higher than 80mg/L simultaneously;
(2) in biochemistry pool, add activity charcoal powder, dosage adds 40 ~ 60mg by often liter of biochemistry pool useful volume;
(3) after adding activity charcoal powder 2 ~ 5h to biochemistry pool, in biochemistry pool, add nitrobacteria, nitrobacteria dosage is calculated as follows:
Nitrobacteria dosage=α X
In formula, α is 0.5 ~ 0.8, X for biochemistry pool designs ammonia nitrogen removal amount every day;
(4) after adding nitrobacteria 0.5 ~ 2h for the first time, in biochemistry pool, add sludge conditioner, dosage adds 0.01 ~ 0.05kg by every cubic metre of biochemistry pool useful volume, adds after nitrobacteria in 7 days for the first time, biological treatment of waste water system not blowdown mud.
2. restorative procedure as claimed in claim 1, is characterized in that, in described step (1), regulates activated sludge concentration in biochemistry pool to be 3000 ~ 3500mg/L.
3. restorative procedure as claimed in claim 1, is characterized in that, in described step (1), regulate activated sludge concentration in biochemistry pool, step is as follows:
When biochemistry pool activated sludge concentration is higher than 4000mg/L, reduce biochemistry pool sludge concentration by the mode of second pond excess sludge spoil disposal; When biochemistry pool sludge concentration is lower than 2500mg/L, improve activated sludge concentration by the mode of adding municipal sewage plant activated sludge to biochemistry pool.
4. restorative procedure as claimed in claim 1, is characterized in that, in described step (1), regulate system ammonia nitrogen concentration in biochemistry pool, step is as follows:
When system ammonia nitrogen concentration is higher than 80mg/L in biochemistry pool, reduce the ammonia nitrogen concentration of system in biochemistry pool to below 80mg/L by the water adding low ammonia nitrogen concentration in biochemistry pool.
5. restorative procedure as claimed in claim 1, is characterized in that, in described step (2), the mode adding activity charcoal powder is that activity charcoal powder and water to be mixed with mass concentration be add after the slurries of 5%.
6. restorative procedure as claimed in claim 1, it is characterized in that, in described step (2), the activity charcoal powder added is active fruit shell carbon powder, and particle diameter is 200 orders.
7. restorative procedure as claimed in claim 1, it is characterized in that, in described step (3), as ammonia nitrogen concentration < 50mg/L, α value is 0.5; As 50mg/L≤ammonia nitrogen concentration < 100mg, α value is 0.6; As 100mg/L≤ammonia nitrogen concentration < 200mg, α value is 0.7; As ammonia nitrogen concentration >=200mg, α value is 0.8.
8. restorative procedure as claimed in claim 1, it is characterized in that, in described step (3), nitrobacteria is divided and adds for three times in biochemistry pool, first time adds 45 ~ 55% of nitrobacteria total mass, first time adds 25 ~ 35% of nitrobacteria total mass after adding 20 ~ 28h for the second time, and after second time adds 20 ~ 28h, third time adds 15 ~ 25% of nitrobacteria total mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510108490.1A CN104761049B (en) | 2015-03-12 | 2015-03-12 | A kind of nitrated ability fast repairing method of biological treatment of waste water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510108490.1A CN104761049B (en) | 2015-03-12 | 2015-03-12 | A kind of nitrated ability fast repairing method of biological treatment of waste water system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104761049A true CN104761049A (en) | 2015-07-08 |
| CN104761049B CN104761049B (en) | 2016-06-15 |
Family
ID=53643215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510108490.1A Expired - Fee Related CN104761049B (en) | 2015-03-12 | 2015-03-12 | A kind of nitrated ability fast repairing method of biological treatment of waste water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104761049B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000503891A (en) * | 1996-02-02 | 2000-04-04 | シユテーレル，テオ | Aerobic, progressive biological purification processes of wastewater |
| CN101386448A (en) * | 2008-10-25 | 2009-03-18 | 大连理工大学 | Preparation and remediation method of aerobic nitrifying granular activated sludge |
| CN201762210U (en) * | 2010-07-02 | 2011-03-16 | 陕西神木化学工业有限公司 | Recovery system after impact on serial batch activated-sludge reaction tank |
-
2015
- 2015-03-12 CN CN201510108490.1A patent/CN104761049B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000503891A (en) * | 1996-02-02 | 2000-04-04 | シユテーレル，テオ | Aerobic, progressive biological purification processes of wastewater |
| CN101386448A (en) * | 2008-10-25 | 2009-03-18 | 大连理工大学 | Preparation and remediation method of aerobic nitrifying granular activated sludge |
| CN201762210U (en) * | 2010-07-02 | 2011-03-16 | 陕西神木化学工业有限公司 | Recovery system after impact on serial batch activated-sludge reaction tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104761049B (en) | 2016-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108483655B (en) | Method for deep denitrification by coupling shortcut nitrification and denitrification with anaerobic ammonia oxidation and sulfur autotrophic denitrification | |
| Cao et al. | New direction in biological nitrogen removal from industrial nitrate wastewater via anammox | |
| CN103373759B (en) | Method for denitrifying wastewater generated in process of producing FCC (fluid catalytic cracking) catalyst | |
| CN102241459B (en) | Method for reinforcing adsorption-biodegradation (AB) denitrification technology by use of heterotrophic nitrification-aerobic denitrification bacteria | |
| CN105923757A (en) | Method for phosphorus removal and denitrification through iron elementary substance cooperating with sulfur autotrophic denitrification | |
| CN112028243B (en) | Quick starting method of biological membrane system | |
| CN103342440B (en) | Efficient biological treatment method of coal gasification wastewater | |
| Ren et al. | Anammox-mediated municipal solid waste leachate treatment: A critical review | |
| CN203754565U (en) | Device for combined physicochemical treatment and biochemical treatment of flue gas desulfurization wastewater | |
| CN101863592B (en) | Leachate treatment method for small town household refuse landfill sites | |
| CN103601347B (en) | Domestic sewage treatment method and UAFB-EGSB coupled system quick start method | |
| CN110255703B (en) | Rapid culture method of aerobic ammonia oxidation granular sludge | |
| Ayaz et al. | Effect of recirculation on organic matter removal in a hybrid constructed wetland system | |
| CN107879551B (en) | Method for treating sewage by using biological denitrification technology | |
| CN104761049B (en) | A kind of nitrated ability fast repairing method of biological treatment of waste water system | |
| CN114105314B (en) | Water environment restoration material and preparation method thereof | |
| CN105776750B (en) | A kind of testing and measuring technology of the enzyme catalytic treatment landfill leachate of three-stage | |
| CN204689726U (en) | Integrated high-efficiency decarburization denitrification dephosphorization system | |
| CN111099722B (en) | Composition for promoting denitrification and application thereof | |
| CN103373763B (en) | Denitrification method of wastewater generated in process of producing catalytic cracking catalysts | |
| CN105923940A (en) | Helical sewage treatment pipeline | |
| CN106746158B (en) | Advanced denitrification treatment method for wastewater generated in coal water slurry gasification process | |
| Chawley et al. | Nitrogenous Wastes and Its Efficient Treatment in Wastewater | |
| Chen et al. | Impact of temperature reduction on partial nitrification in a batch biofilter | |
| Płuciennik-Koropczuk et al. | Significance of wastewater treatment to nitrous oxide emission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20200312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |