JPS6244997B2 - - Google Patents
Info
- Publication number
- JPS6244997B2 JPS6244997B2 JP53099383A JP9938378A JPS6244997B2 JP S6244997 B2 JPS6244997 B2 JP S6244997B2 JP 53099383 A JP53099383 A JP 53099383A JP 9938378 A JP9938378 A JP 9938378A JP S6244997 B2 JPS6244997 B2 JP S6244997B2
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- biological treatment
- flotation
- microorganisms
- wastewater
- 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
- 238000000034 method Methods 0.000 claims description 44
- 239000010802 sludge Substances 0.000 claims description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000005188 flotation Methods 0.000 claims description 22
- 239000002351 wastewater Substances 0.000 claims description 17
- 238000004062 sedimentation Methods 0.000 claims description 13
- 244000005700 microbiome Species 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 230000008719 thickening Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010800 human waste Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Physical Water Treatments (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Sludge (AREA)
- Water Treatment By Sorption (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9938378A JPS5527050A (en) | 1978-08-15 | 1978-08-15 | Sludge concentration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9938378A JPS5527050A (en) | 1978-08-15 | 1978-08-15 | Sludge concentration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5527050A JPS5527050A (en) | 1980-02-26 |
| JPS6244997B2 true JPS6244997B2 (US07655688-20100202-C00548.png) | 1987-09-24 |
Family
ID=14245985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9938378A Granted JPS5527050A (en) | 1978-08-15 | 1978-08-15 | Sludge concentration |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5527050A (US07655688-20100202-C00548.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0516320Y2 (US07655688-20100202-C00548.png) * | 1987-10-13 | 1993-04-28 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5527062A (en) * | 1978-08-16 | 1980-02-26 | Ebara Infilco Co Ltd | Concentration of sludge |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5152668A (US07655688-20100202-C00548.png) * | 1974-11-01 | 1976-05-10 | Sato Zoki Co Ltd |
-
1978
- 1978-08-15 JP JP9938378A patent/JPS5527050A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5152668A (US07655688-20100202-C00548.png) * | 1974-11-01 | 1976-05-10 | Sato Zoki Co Ltd |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0516320Y2 (US07655688-20100202-C00548.png) * | 1987-10-13 | 1993-04-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5527050A (en) | 1980-02-26 |
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