JPS5450146A - Treatment of nitrification - Google Patents
Treatment of nitrificationInfo
- Publication number
- JPS5450146A JPS5450146A JP11633077A JP11633077A JPS5450146A JP S5450146 A JPS5450146 A JP S5450146A JP 11633077 A JP11633077 A JP 11633077A JP 11633077 A JP11633077 A JP 11633077A JP S5450146 A JPS5450146 A JP S5450146A
- Authority
- JP
- Japan
- Prior art keywords
- microbes
- bod
- nitrification
- water
- added
- 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
- 239000002351 wastewater Substances 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 230000001546 nitrifying effect Effects 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
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
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
PURPOSE: To carry out treatment of nitrification efficiently by way of biological, fixed bed method, by adding BOD source to ammonia containing water with less content BOD at the initial stage of operation (when nitrifying microbes are gathering and being cultivated), and thereby attaching the nitrifying microbes onto the surface of medium in a short while and cultivating the microbes thereon.
CONSTITUTION: Waste water 1 to be treated, containing ammoniacal nitrogen at BOD lower than 5 mg/litre, is introduced into adjustement tank 2, where alkaline agent 3 is added to adjust pH at 7W8 and also BOD source 4 is added to adjust BOD at about 3W20mg/litre. Further, inorganic carbon source 5 is added, if necessary, and then waste water is introduced into nitrification tank 6 which is filled with granular medium kept aerobic by oxygen containing gas 7, and treatment of nitrification is applied to the waste water. During the time when microbes are gathering and being cultivated, it is preferable to recirculate water 8 discharged from the nitrification tank 6 and thus to reduce the amount of microbes discharged to the outside of the system. However, when cultivation of microbes is completed, the above recirculation of water 8 is no more necessary, and addition of BOD source 4 is also required no more
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11633077A JPS5450146A (en) | 1977-09-28 | 1977-09-28 | Treatment of nitrification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11633077A JPS5450146A (en) | 1977-09-28 | 1977-09-28 | Treatment of nitrification |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5450146A true JPS5450146A (en) | 1979-04-19 |
| JPS6141639B2 JPS6141639B2 (en) | 1986-09-16 |
Family
ID=14684292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11633077A Granted JPS5450146A (en) | 1977-09-28 | 1977-09-28 | Treatment of nitrification |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5450146A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5626588A (en) * | 1979-08-07 | 1981-03-14 | Ebara Infilco Co Ltd | Disposal method for organic waste water |
| JP2012005911A (en) * | 2010-06-22 | 2012-01-12 | N Ii T Kk | Nitrification treatment method of waste liquid |
-
1977
- 1977-09-28 JP JP11633077A patent/JPS5450146A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5626588A (en) * | 1979-08-07 | 1981-03-14 | Ebara Infilco Co Ltd | Disposal method for organic waste water |
| JP2012005911A (en) * | 2010-06-22 | 2012-01-12 | N Ii T Kk | Nitrification treatment method of waste liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6141639B2 (en) | 1986-09-16 |
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