Kobe Steel, Ltd.

Kabushiki Kaisha Kobe Seiko Sho

Keiichi Ishiyama

Kiyoshi Asahina

Ryusuke Kitamura

Tsuyoshi Imakita

Shigeo Tachibana

Provided is a method of cleaning the inside of a pressure vessel for blasting to enable a short-time treatment regardless of the state of residual substances. This method includes: a step of setting an explosive for cleaning, different from an explosive for blasting, in an amount necessary for decomposing a residue of the object inside of a pressure vessel after a blasting step of setting and blasting the object and the explosive for blasting in the pressure vessel; and a step of decomposing the residue by exploding the explosive for cleaning in the pressure vessel.

Method of cleaning inside of pressure vessel for blasting

A method for decontaminating and neutralizing solid residue remaining in a munition shell of an abandoned chemical weapon includes the steps of dissolving the solid residue using an organic solvent to obtain a solid residue solution, and neutralizing the solid residue solution with an alkaline solution and an oxidant.

Growing community of inventors

Kobe, Japan

Keiichi Ishiyama