JPS5724693A - Disposal of organic waste water - Google Patents
Disposal of organic waste waterInfo
- Publication number
- JPS5724693A JPS5724693A JP9832880A JP9832880A JPS5724693A JP S5724693 A JPS5724693 A JP S5724693A JP 9832880 A JP9832880 A JP 9832880A JP 9832880 A JP9832880 A JP 9832880A JP S5724693 A JPS5724693 A JP S5724693A
- Authority
- JP
- Japan
- Prior art keywords
- vessel
- effluent
- disposal
- water
- slurry
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 6
- 239000010815 organic waste Substances 0.000 title abstract 2
- 239000010802 sludge Substances 0.000 abstract 3
- 239000002002 slurry Substances 0.000 abstract 3
- 239000002244 precipitate Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 239000011790 ferrous sulphate Substances 0.000 abstract 1
- 235000003891 ferrous sulphate Nutrition 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 abstract 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 235000010755 mineral Nutrition 0.000 abstract 1
- 239000007800 oxidant agent Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000008213 purified water Substances 0.000 abstract 1
- 239000002689 soil Substances 0.000 abstract 1
Classifications
-
- Y02W10/12—
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
PURPOSE: To rationalize a high degree treatment of an effluent from a biological disposal process and to extremely reduce COD and color components, by biologically treating organic waste water without being diluted, and then oxidizing excess sludge together with the effluent.
CONSTITUTION: Untreated night soil 1, without being diluted, flows into a biological disposer 2. Active sludge in the disposer 2 is maintained by a concentrator 3. An effluent slurry 6 containing excess sludge flows into a disposal vessel 7, where ferrous sulfate and an oxidizing agent 11 are added to the slurry. Slurry from the vessel 7 is separated into dewatered cake 9 and separated water 10 by a dehydrator 8. The separated water 10 is introduced into another disposal vessel 13, where the water is adjusted at pH 2W4 by a reagent 12 and agitated. An effluent from the vessel 13 is neutralized by an alkali 15 and treated by a solid-liquid separator 17 to separate precipites 16. Thus, purified water 18 is obtained. A mineral acid is added to the precipitates 16, and the precipitates are reused in the disposal vessel 7 or 13.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9832880A JPS5724693A (en) | 1980-07-18 | 1980-07-18 | Disposal of organic waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9832880A JPS5724693A (en) | 1980-07-18 | 1980-07-18 | Disposal of organic waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5724693A true JPS5724693A (en) | 1982-02-09 |
Family
ID=14216831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9832880A Pending JPS5724693A (en) | 1980-07-18 | 1980-07-18 | Disposal of organic waste water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5724693A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5990419A (en) * | 1982-11-13 | 1984-05-24 | Sony Corp | Second order digital full band passing circuit |
| JPH01174110A (en) * | 1987-12-28 | 1989-07-10 | Alpine Electron Inc | Digital phase control circuit |
| US5611928A (en) * | 1992-12-04 | 1997-03-18 | Kemira Oy | Process for treating waste water |
-
1980
- 1980-07-18 JP JP9832880A patent/JPS5724693A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5990419A (en) * | 1982-11-13 | 1984-05-24 | Sony Corp | Second order digital full band passing circuit |
| JPH0374530B2 (en) * | 1982-11-13 | 1991-11-27 | ||
| JPH01174110A (en) * | 1987-12-28 | 1989-07-10 | Alpine Electron Inc | Digital phase control circuit |
| US5611928A (en) * | 1992-12-04 | 1997-03-18 | Kemira Oy | Process for treating waste water |
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