Title:
原油タンク内のスラッジを除去し、除去したスラッジから油を回収する方法
Document Type and Number:
Japanese Patent JP4227752
Kind Code:
B2
Abstract:
Disclosed is a method for removing sludge in a crude oil storage tank (2) by use of thermal oil discharged from a distillation tower of an oil refinery, such as atmospheric residue, vacuum residue, or vacuum gas oil, and recovering oil having various applications by separating inorganics therefrom. The method is advantageous in terms of minimizing air pollution because of utilizing a closed system, drastically reduced washing time of crude oil storage tank (2), and continuous removal of the sludge. Additionally, the recovered oil can be provided as fuel oil, marine oil or a feed for secondary treatment processes, such as up-grading processes of heavy oil.
Inventors:
Kim Myung Jun
Yun De Suk
Chae Chang Ho
Chae Junte
Quack Zong Won
Paxson kill
Yun De Suk
Chae Chang Ho
Chae Junte
Quack Zong Won
Paxson kill
Application Number:
JP2002042689A
Publication Date:
February 18, 2009
Filing Date:
February 20, 2002
Export Citation:
Assignee:
SK ENERGY CO., LTD.
International Classes:
C02F11/00; C10G1/00; B01D17/00; B08B9/093; C02F11/12; C10G1/04; C10G31/00
Domestic Patent References:
| JP7507003A | ||||
| JP53113803A | ||||
| JP11130256A |
Attorney, Agent or Firm:
Patent Service Corporation Patent Office Sykes