JPS6244998B2 - - Google Patents
Info
- Publication number
- JPS6244998B2 JPS6244998B2 JP53099617A JP9961778A JPS6244998B2 JP S6244998 B2 JPS6244998 B2 JP S6244998B2 JP 53099617 A JP53099617 A JP 53099617A JP 9961778 A JP9961778 A JP 9961778A JP S6244998 B2 JPS6244998 B2 JP S6244998B2
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- concentration
- wastewater
- flotation
- liquid
- 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 43
- 238000005188 flotation Methods 0.000 claims description 24
- 239000002351 wastewater Substances 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 22
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 8
- 238000004062 sedimentation Methods 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 2
- 230000001546 nitrifying effect Effects 0.000 claims 2
- 238000001556 precipitation Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000000126 substance Substances 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000852 hydrogen donor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- -1 methanol and ethanol Chemical class 0.000 description 1
- 230000000813 microbial effect Effects 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
- 230000011514 reflex Effects 0.000 description 1
- 239000010865 sewage Substances 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9961778A JPS5527062A (en) | 1978-08-16 | 1978-08-16 | Concentration of sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9961778A JPS5527062A (en) | 1978-08-16 | 1978-08-16 | Concentration of sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5527062A JPS5527062A (en) | 1980-02-26 |
| JPS6244998B2 true JPS6244998B2 (fr) | 1987-09-24 |
Family
ID=14252045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9961778A Granted JPS5527062A (en) | 1978-08-16 | 1978-08-16 | Concentration of sludge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5527062A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0418107U (fr) * | 1990-06-05 | 1992-02-14 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5864198A (ja) * | 1981-10-15 | 1983-04-16 | Hitachi Plant Eng & Constr Co Ltd | 廃水の生物学的脱窒素方法及び装置 |
| GB9508400D0 (en) * | 1995-04-25 | 1995-06-14 | Agronova As | Fertilizer and process for production thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5152668A (fr) * | 1974-11-01 | 1976-05-10 | Sato Zoki Co Ltd | |
| JPS5527052A (en) * | 1978-08-15 | 1980-02-26 | Ebara Infilco Co Ltd | Sludge floatation and concentration |
| JPS5527050A (en) * | 1978-08-15 | 1980-02-26 | Ebara Infilco Co Ltd | Sludge concentration |
-
1978
- 1978-08-16 JP JP9961778A patent/JPS5527062A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5152668A (fr) * | 1974-11-01 | 1976-05-10 | Sato Zoki Co Ltd | |
| JPS5527052A (en) * | 1978-08-15 | 1980-02-26 | Ebara Infilco Co Ltd | Sludge floatation and concentration |
| JPS5527050A (en) * | 1978-08-15 | 1980-02-26 | Ebara Infilco Co Ltd | Sludge concentration |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0418107U (fr) * | 1990-06-05 | 1992-02-14 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5527062A (en) | 1980-02-26 |
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