JPS6150680B2 - - Google Patents
Info
- Publication number
- JPS6150680B2 JPS6150680B2 JP53145580A JP14558078A JPS6150680B2 JP S6150680 B2 JPS6150680 B2 JP S6150680B2 JP 53145580 A JP53145580 A JP 53145580A JP 14558078 A JP14558078 A JP 14558078A JP S6150680 B2 JPS6150680 B2 JP S6150680B2
- Authority
- JP
- Japan
- Prior art keywords
- treatment
- activated sludge
- tank
- aerobic
- anaerobic
- 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.)
- Expired
Links
- 239000010802 sludge Substances 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000005188 flotation Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- 239000002351 wastewater Substances 0.000 claims description 10
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 3
- 239000010800 human waste Substances 0.000 description 12
- 241000894006 Bacteria Species 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 210000002700 urine Anatomy 0.000 description 4
- 241000605159 Nitrobacter Species 0.000 description 3
- 238000005273 aeration Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000001546 nitrifying effect Effects 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14558078A JPS5573395A (en) | 1978-11-25 | 1978-11-25 | Biological treatment of organic waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14558078A JPS5573395A (en) | 1978-11-25 | 1978-11-25 | Biological treatment of organic waste water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5573395A JPS5573395A (en) | 1980-06-03 |
| JPS6150680B2 true JPS6150680B2 (es) | 1986-11-05 |
Family
ID=15388374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14558078A Granted JPS5573395A (en) | 1978-11-25 | 1978-11-25 | Biological treatment of organic waste water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5573395A (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5884096A (ja) * | 1981-11-13 | 1983-05-20 | Ebara Infilco Co Ltd | し尿系汚水の硝化、脱窒素法 |
| JP4859192B2 (ja) * | 2005-12-09 | 2012-01-25 | 三菱重工環境・化学エンジニアリング株式会社 | 下水の高度処理方法及びシステム |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5345049A (en) * | 1976-10-04 | 1978-04-22 | Mitsubishi Heavy Ind Ltd | Method of treating organic waste water |
| JPS5570394A (en) * | 1978-11-22 | 1980-05-27 | Ebara Infilco Co Ltd | Biological treatment of organic waste water |
-
1978
- 1978-11-25 JP JP14558078A patent/JPS5573395A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5345049A (en) * | 1976-10-04 | 1978-04-22 | Mitsubishi Heavy Ind Ltd | Method of treating organic waste water |
| JPS5570394A (en) * | 1978-11-22 | 1980-05-27 | Ebara Infilco Co Ltd | Biological treatment of organic waste water |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5573395A (en) | 1980-06-03 |
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