JPS5521443A - Purification of waste oil and waste grease - Google Patents
Purification of waste oil and waste greaseInfo
- Publication number
- JPS5521443A JPS5521443A JP9409578A JP9409578A JPS5521443A JP S5521443 A JPS5521443 A JP S5521443A JP 9409578 A JP9409578 A JP 9409578A JP 9409578 A JP9409578 A JP 9409578A JP S5521443 A JPS5521443 A JP S5521443A
- Authority
- JP
- Japan
- Prior art keywords
- waste
- oil
- petroleum ether
- film
- grease
- 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
Abstract
PURPOSE: To recover easily a pure oil component alone free from impurities such as degraded matter, sludge, contaminants, etc., by extraction treatment of a waste oil or waste grease with an organic solvent through a plastic thin-film, followed by removing the solvent.
CONSTITUTION: A waste oil or waste grease such as that from lubricant, electical oil, various process oils, etc. is held in a cylindrical plastic thin-film of about 20μ thick, made from e.g. a polypropylene-polyethylene copolymer. The bottom of the film is then immersed in an organic solvent such as petroleum ether; and from the upper part, petroleum ether is made to flow down continuously to extract a pure lubricant component alone from the waste. The extracted component is then warmed to distil the petroleum ether off, thus recovering the pure oil and the petroleum ether respectively.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9409578A JPS5521443A (en) | 1978-08-03 | 1978-08-03 | Purification of waste oil and waste grease |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9409578A JPS5521443A (en) | 1978-08-03 | 1978-08-03 | Purification of waste oil and waste grease |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5521443A true JPS5521443A (en) | 1980-02-15 |
Family
ID=14100885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9409578A Pending JPS5521443A (en) | 1978-08-03 | 1978-08-03 | Purification of waste oil and waste grease |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5521443A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113201383A (en) * | 2021-05-14 | 2021-08-03 | 深高蓝德环保科技集团股份有限公司 | Biodegradable lubricating grease and preparation method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5012395A (en) * | 1973-04-26 | 1975-02-07 | ||
US3919075A (en) * | 1973-04-12 | 1975-11-11 | Inst Francais Du Petrole | Process for regenerating used lubricating oils |
US3997359A (en) * | 1972-11-07 | 1976-12-14 | Joseph Daniel Dankoff | Reclamation of components from grinding swarf |
-
1978
- 1978-08-03 JP JP9409578A patent/JPS5521443A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3997359A (en) * | 1972-11-07 | 1976-12-14 | Joseph Daniel Dankoff | Reclamation of components from grinding swarf |
US3919075A (en) * | 1973-04-12 | 1975-11-11 | Inst Francais Du Petrole | Process for regenerating used lubricating oils |
JPS5012395A (en) * | 1973-04-26 | 1975-02-07 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113201383A (en) * | 2021-05-14 | 2021-08-03 | 深高蓝德环保科技集团股份有限公司 | Biodegradable lubricating grease and preparation method thereof |
CN113201383B (en) * | 2021-05-14 | 2023-06-13 | 深高蓝德环保科技集团股份有限公司 | Biodegradable lubricating grease and preparation method thereof |
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