JPS59183893A - 汚水浄化方法 - Google Patents
汚水浄化方法Info
- Publication number
- JPS59183893A JPS59183893A JP58057485A JP5748583A JPS59183893A JP S59183893 A JPS59183893 A JP S59183893A JP 58057485 A JP58057485 A JP 58057485A JP 5748583 A JP5748583 A JP 5748583A JP S59183893 A JPS59183893 A JP S59183893A
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- tank
- activated sludge
- oxygen
- cylindrical member
- 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
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000010865 sewage Substances 0.000 title claims description 19
- 239000007788 liquid Substances 0.000 claims abstract description 58
- 239000010802 sludge Substances 0.000 claims abstract description 56
- 239000001301 oxygen Substances 0.000 claims abstract description 29
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 29
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 12
- 239000006228 supernatant Substances 0.000 claims description 14
- 238000000746 purification Methods 0.000 claims description 6
- 238000005273 aeration Methods 0.000 abstract description 9
- 230000007246 mechanism Effects 0.000 abstract description 8
- 239000002245 particle Substances 0.000 abstract description 5
- 238000001556 precipitation Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 230000004913 activation Effects 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 230000003134 recirculating effect Effects 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000002351 wastewater Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 244000005700 microbiome Species 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 239000000386 donor Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000852 hydrogen donor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 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
- Activated Sludge Processes (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58057485A JPS59183893A (ja) | 1983-04-01 | 1983-04-01 | 汚水浄化方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58057485A JPS59183893A (ja) | 1983-04-01 | 1983-04-01 | 汚水浄化方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59183893A true JPS59183893A (ja) | 1984-10-19 |
| JPS6210718B2 JPS6210718B2 (enrdf_load_stackoverflow) | 1987-03-07 |
Family
ID=13057010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58057485A Granted JPS59183893A (ja) | 1983-04-01 | 1983-04-01 | 汚水浄化方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59183893A (enrdf_load_stackoverflow) |
-
1983
- 1983-04-01 JP JP58057485A patent/JPS59183893A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6210718B2 (enrdf_load_stackoverflow) | 1987-03-07 |
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