JPS5748393A - Treatment of organic waste water - Google Patents
Treatment of organic waste waterInfo
- Publication number
- JPS5748393A JPS5748393A JP55124407A JP12440780A JPS5748393A JP S5748393 A JPS5748393 A JP S5748393A JP 55124407 A JP55124407 A JP 55124407A JP 12440780 A JP12440780 A JP 12440780A JP S5748393 A JPS5748393 A JP S5748393A
- Authority
- JP
- Japan
- Prior art keywords
- slurry
- waste water
- organic waste
- reservoir
- alkali
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 3
- 239000010815 organic waste Substances 0.000 title abstract 2
- 239000002002 slurry Substances 0.000 abstract 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 4
- 238000013019 agitation Methods 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 1
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 239000011790 ferrous sulphate Substances 0.000 abstract 1
- 235000003891 ferrous sulphate Nutrition 0.000 abstract 1
- 238000001914 filtration Methods 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
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 abstract 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 abstract 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 abstract 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 abstract 1
- 239000000347 magnesium hydroxide Substances 0.000 abstract 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 230000001546 nitrifying effect Effects 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 239000004576 sand Substances 0.000 abstract 1
- 239000002689 soil Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
PURPOSE: To purify organic waste water with high efficiency, by adding hydrogen peroxide and ferrous ferric substances to outflow slurry from a biological treatment process, and post-treating the slurry as such or after mixed with an alkali.
CONSTITUTION: Untreated night soil 1, without being diluted, is subjected to a thorough treatment in a nitrifying liquid-circulating biological nitrification/denitrification device 2. Separated water 10 is mixed with outflow slurry 11 and introduced into a reservoir 12. The slurry in the reservoir 12 is agitated in an agitation vessel 13, where hydrogen peroxide 14 and a ferrous sulfate solution 15 are added, and then further agitated in another agitation vessel 16, where a ferric sulfate solution 17 is added. Thereafter, the slurry is neutralized in a neutralization vessel 18 by addition of an alkali 19 such as magnesium hydroxide, and separated into a dewatering effluent 21 and dewatered cake 22 by a filter press 20. The effluent 21 may be drained as such or after coagulation precipitation, filtration through sand or the like.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55124407A JPS5748393A (en) | 1980-09-08 | 1980-09-08 | Treatment of organic waste water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55124407A JPS5748393A (en) | 1980-09-08 | 1980-09-08 | Treatment of organic waste water |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5748393A true JPS5748393A (en) | 1982-03-19 |
JPS6339319B2 JPS6339319B2 (en) | 1988-08-04 |
Family
ID=14884691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55124407A Granted JPS5748393A (en) | 1980-09-08 | 1980-09-08 | Treatment of organic waste water |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5748393A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62247891A (en) * | 1986-04-18 | 1987-10-28 | Nittetsu Mining Co Ltd | Deodorizing method for waste liquid |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5255256A (en) * | 1975-10-31 | 1977-05-06 | Toa Gosei Chem Ind | Waste water treating method |
JPS52108654A (en) * | 1976-03-09 | 1977-09-12 | Toa Gosei Chem Ind | Method of treating treated night soil water |
JPS52124758A (en) * | 1976-04-13 | 1977-10-20 | Toa Gosei Chem Ind | Method of treating waste water |
-
1980
- 1980-09-08 JP JP55124407A patent/JPS5748393A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5255256A (en) * | 1975-10-31 | 1977-05-06 | Toa Gosei Chem Ind | Waste water treating method |
JPS52108654A (en) * | 1976-03-09 | 1977-09-12 | Toa Gosei Chem Ind | Method of treating treated night soil water |
JPS52124758A (en) * | 1976-04-13 | 1977-10-20 | Toa Gosei Chem Ind | Method of treating waste water |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62247891A (en) * | 1986-04-18 | 1987-10-28 | Nittetsu Mining Co Ltd | Deodorizing method for waste liquid |
JPH0459039B2 (en) * | 1986-04-18 | 1992-09-21 | Nittetsu Mining Co Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPS6339319B2 (en) | 1988-08-04 |
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