Title:
METHOD FOR CLEANING TANK
Document Type and Number:
Japanese Patent JP2020157216
Kind Code:
A
Abstract:
To provide a method for cleaning a tank that can efficiently clean the inside of the tank even with a small quantity of cleaning liquid and make PCB fall below a domestic standard value stipulated by a special measures law pertaining to promotion of proper disposal of polychlorobiphenyl waste materials for detoxification.SOLUTION: In a method for cleaning a tank to which oil containing polychlorobiphenyl (PCB) adheres, cleaning liquid with liquid measure in a range of 0.05 volume% or more and 50 volume% or less with respect to the whole volumes of the tank is jetted to the inner surface of the tank.SELECTED DRAWING: Figure 3
Inventors:
DATE YASUKI
Application Number:
JP2019058386A
Publication Date:
October 01, 2020
Filing Date:
March 26, 2019
Export Citation:
Assignee:
CENTRAL RES INST ELECTRIC POWER IND
International Classes:
B08B9/093; B08B3/02
Domestic Patent References:
| JP2016140778A | 2016-08-08 | |||
| JPS60202781A | 1985-10-14 | |||
| JP2016168532A | 2016-09-23 | |||
| JP2015202455A | 2015-11-16 | |||
| JP2017144355A | 2017-08-24 | |||
| JP2005288420A | 2005-10-20 | |||
| JP2017131860A | 2017-08-03 | |||
| JP2015100744A | 2015-06-04 |
Attorney, Agent or Firm:
Koichi Hirota
Yoshihiro Nagare
Naoko Matsuda
Yoshihiro Nagare
Naoko Matsuda