JPS5521443A - Purification of waste oil and waste grease - Google Patents

Purification of waste oil and waste grease

Info

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
Application number
JP9409578A
Other languages
Japanese (ja)
Inventor
Haruo Yugawa
Akizo Chiba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KANAGAWAKEN
Kanagawa Prefecture
Original Assignee
KANAGAWAKEN
Kanagawa Prefecture
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KANAGAWAKEN, Kanagawa Prefecture filed Critical KANAGAWAKEN
Priority to JP9409578A priority Critical patent/JPS5521443A/en
Publication of JPS5521443A publication Critical patent/JPS5521443A/en
Pending legal-status Critical Current

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
JP9409578A 1978-08-03 1978-08-03 Purification of waste oil and waste grease Pending JPS5521443A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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