JPS5419552A - Biological denitrifying method for treating filthy water - Google Patents
Biological denitrifying method for treating filthy waterInfo
- Publication number
- JPS5419552A JPS5419552A JP8422077A JP8422077A JPS5419552A JP S5419552 A JPS5419552 A JP S5419552A JP 8422077 A JP8422077 A JP 8422077A JP 8422077 A JP8422077 A JP 8422077A JP S5419552 A JPS5419552 A JP S5419552A
- Authority
- JP
- Japan
- Prior art keywords
- treating
- filthy water
- tank
- denitrifying method
- biological
- 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
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
PURPOSE: To provide a biological denitrifying method for treating filthy water, according to which a pre-settling tank is provided between a biological denitrification tank and a settling tank, and sludge floated in the pre-setting tank is returned to a nitrification tank whereby a large amount of floated sludge can be separated effectively.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8422077A JPS5419552A (en) | 1977-07-15 | 1977-07-15 | Biological denitrifying method for treating filthy water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8422077A JPS5419552A (en) | 1977-07-15 | 1977-07-15 | Biological denitrifying method for treating filthy water |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5419552A true JPS5419552A (en) | 1979-02-14 |
Family
ID=13824390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8422077A Pending JPS5419552A (en) | 1977-07-15 | 1977-07-15 | Biological denitrifying method for treating filthy water |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5419552A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57177395A (en) * | 1981-04-24 | 1982-11-01 | Kubota Ltd | Purification of water |
-
1977
- 1977-07-15 JP JP8422077A patent/JPS5419552A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57177395A (en) * | 1981-04-24 | 1982-11-01 | Kubota Ltd | Purification of water |
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