Title:
油分含有廃液からの油分回収方法及び装置
Document Type and Number:
Japanese Patent JP7464077
Kind Code:
B2
Abstract:
A method for recovering oil from an oil-containing waste liquid which has an extraction step for transferring the oil in an oil-containing waste liquid to a solvent by subjecting said oil-containing waste liquid to an extraction treatment by using said solvent, a separation step for separating said waste liquid and the solvent, which contains the extracted oil, and an oil recovery step for separating and recovering the oil from the separated oil-containing solvent, said method being characterized in that the solvent from which the oil is separated during said oil recovery step is reused in the extraction step.
Inventors:
Satoshi Yamada
Tsuneyuki Yoshida
Satoshi Wada
Hiroki Uchida
Tsuneyuki Yoshida
Satoshi Wada
Hiroki Uchida
Application Number:
JP2022087647A
Publication Date:
April 09, 2024
Filing Date:
May 30, 2022
Export Citation:
Assignee:
Kurita Water Industries Ltd.
International Classes:
B01D11/04; B01D3/00
Domestic Patent References:
| JP2010222476A | ||||
| JP2010247050A | ||||
| JP2008100166A | ||||
| JP2005288201A | ||||
| JP2016504288A | ||||
| JP61157301A | ||||
| JP2018062512A | ||||
| JP2007054815A | ||||
| JP2010240609A | ||||
| JP4197403A | ||||
| JP2006102596A | ||||
| JP59059787A | ||||
| JP2007283224A |
Attorney, Agent or Firm:
Takeshi Shigeno
Takayuki Shigeno
Takayuki Shigeno