JPS55162954A - Treatment of steffen's waste - Google Patents
Treatment of steffen's wasteInfo
- Publication number
- JPS55162954A JPS55162954A JP7114679A JP7114679A JPS55162954A JP S55162954 A JPS55162954 A JP S55162954A JP 7114679 A JP7114679 A JP 7114679A JP 7114679 A JP7114679 A JP 7114679A JP S55162954 A JPS55162954 A JP S55162954A
- Authority
- JP
- Japan
- Prior art keywords
- waste
- concentrated
- content
- betaine
- ion exchange
- 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
- Water Treatment By Electricity Or Magnetism (AREA)
- Fertilizers (AREA)
- Seasonings (AREA)
Abstract
PURPOSE: To eliminate the irritating odor like that of NH3 and an amine from the titled waste, and to impart a taste resembling the stock of a fish or shellfish to the waste, by saturating the waste with carbon dioxide, adjusting the pH to a given range with a mineral acid, and by electrodialyzing the waste with an ion exchange membrane.
CONSTITUTION: Steffen's waste with the total solid content of 5W10% (pH about 13) is saturated with CO2 to pH about 10, concentrated to B× about 25W45°, and then adjusted to pH 4W10 with a mineral acid. The treated waste is then electrodialyzed with an ion exchange membrane, and preferably concentrated in a vacuum evaporator to B×60W80°. The precipitate formed in the saturation with CO2 is removed to give a treated solution comprising about 30% an ash, about 70% an organic substance, 15W20% an amino acid and 10W15% betaine. The waste after electrodialysis is concentrated to the betaine content 1.5W2.0 times and the amino acid content about 1.2W1.5 times those of the waste after CO2 saturation per the solid content. The concentrate formed on the electrodialysis concentration side is rich in potassium, and can be utilized as a potassic fertilizer.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7114679A JPS55162954A (en) | 1979-06-08 | 1979-06-08 | Treatment of steffen's waste |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7114679A JPS55162954A (en) | 1979-06-08 | 1979-06-08 | Treatment of steffen's waste |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55162954A true JPS55162954A (en) | 1980-12-18 |
JPS6311075B2 JPS6311075B2 (en) | 1988-03-11 |
Family
ID=13452158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7114679A Granted JPS55162954A (en) | 1979-06-08 | 1979-06-08 | Treatment of steffen's waste |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55162954A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5940267A (en) * | 1992-05-28 | 1999-08-17 | Fujitsu Limited | Heat sink for cooling a heat producing element and application |
USRE38382E1 (en) | 1996-04-04 | 2004-01-13 | Matsushita Electric Industrial Co., Ltd. | Heat sink and electronic device employing the same |
-
1979
- 1979-06-08 JP JP7114679A patent/JPS55162954A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5940267A (en) * | 1992-05-28 | 1999-08-17 | Fujitsu Limited | Heat sink for cooling a heat producing element and application |
USRE38382E1 (en) | 1996-04-04 | 2004-01-13 | Matsushita Electric Industrial Co., Ltd. | Heat sink and electronic device employing the same |
USRE40369E1 (en) | 1996-04-04 | 2008-06-10 | Matsushita Electric Industrial Co., Ltd. | Heat sink and electronic device employing the same |
Also Published As
Publication number | Publication date |
---|---|
JPS6311075B2 (en) | 1988-03-11 |
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