JPS55116494A - Treating method for waste water - Google Patents
Treating method for waste waterInfo
- Publication number
- JPS55116494A JPS55116494A JP2493479A JP2493479A JPS55116494A JP S55116494 A JPS55116494 A JP S55116494A JP 2493479 A JP2493479 A JP 2493479A JP 2493479 A JP2493479 A JP 2493479A JP S55116494 A JPS55116494 A JP S55116494A
- Authority
- JP
- Japan
- Prior art keywords
- tank
- disposed
- water
- liquid
- nitrogen compounds
- 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
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
PURPOSE: To remove BOD and nitrogen compounds highly efficient to a high degree by a method wherein waste water containing BOD and nitrogen compounds at high concentration is primarily treated by photosynthetic bacteria and the waste water is purified by jointly using secondary and tertiary disposal by employing activated sludge without solid-liquid-separating disposed water.
CONSTITUTION: Waste water containing BOD and nitrogen compounds at high concentration is primarily disposed by photosynthetic bacteria (particularly, crimson nonsulfur bacteria) in a non- dilution shape, and the water primarily disposed is transferred to a denitrification tank A (4) without solid-liquid-separating of the water. A liquid in a nitration tank (5) and invigorated sludge in a sedimentation tank (8) of the final process are both returned and added into the denitrification tank A (4), and the water disposed here is successively carried to the nitration tank (5) of the next process, a denitrification tank B (6), a re-aeration tank (7) and the sedimentation tank (8) and disposed. Thus, this method can easily remove BOD and nitrogen compounds to a high degree, the dimensions of each tank used in the uniting processes of secondary and tertiary disposal can further be contracted as compared to conventional methods, and a special solid-liquid separator for the water primarily disposed and chemicals, such as a coagulant for separating solid and liquid, etc. are also unnecessary.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2493479A JPS55116494A (en) | 1979-03-03 | 1979-03-03 | Treating method for waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2493479A JPS55116494A (en) | 1979-03-03 | 1979-03-03 | Treating method for waste water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55116494A true JPS55116494A (en) | 1980-09-08 |
| JPS6253238B2 JPS6253238B2 (en) | 1987-11-09 |
Family
ID=12151903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2493479A Granted JPS55116494A (en) | 1979-03-03 | 1979-03-03 | Treating method for waste water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55116494A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100460214B1 (en) * | 2001-01-05 | 2004-12-08 | 학교법인 인하학원 | Wastewater treatment method and wastewater treatment system using photosynthetic microorganisms |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01220642A (en) * | 1988-02-29 | 1989-09-04 | Kao Corp | Transfer and loading method for article |
-
1979
- 1979-03-03 JP JP2493479A patent/JPS55116494A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100460214B1 (en) * | 2001-01-05 | 2004-12-08 | 학교법인 인하학원 | Wastewater treatment method and wastewater treatment system using photosynthetic microorganisms |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6253238B2 (en) | 1987-11-09 |
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