Tottori University

Kokigumi Co., Ltd.

Iluka College Co., Ltd.

Yuhei Matsubara

Koichi Takahashi

Toshiyuki Tanaka

Hisaki Okamoto

Toshimitsu Myoga

Kazuhiro Iizuka

Noriko Asayama

The method for detoxifying asbestos disclosed here includes: preparing an asbestos-containing substance that contains at least one type of asbestos; preparing an asbestos treatment agent that contains a mineral acid, N-methyl-2-pyrrolidone and a fluoride; and bringing the asbestos-containing substance into contact with the asbestos treatment agent so as to detoxify asbestos in the asbestos-containing substance. Due to this configuration, asbestos in the asbestos-containing substance can be favorably detoxified.

Method for detoxifying asbestos

The method for detoxifying asbestos disclosed here includes: preparing an asbestos-containing substance that contains at least one type of asbestos; preparing an asbestos treatment agent that contains a mineral acid and N-methyl-2-pyrrolidone; and bringing the asbestos-containing substance into contact with the asbestos treatment agent so as to detoxify asbestos in the asbestos-containing substance. Due to this configuration, asbestos in the asbestos-containing substance can be favorably detoxified.

Provided is a dropping-type fire extinguishing body that, in fire extinguishing using a gel-like fire extinguishing agent, can allow the fire extinguishing agent to be smoothly conveyed and dropped. A dropping-type fire extinguishing bodyto be dropped onto the fire site to extinguish the fire, wherein a gelling agentis contained in a bag bodyformed of a water-permeable material and water is permeated into the body and is mixed with the gelling agent to prepare a gel-like fire extinguishing agent, thereby filling the gel-like fire extinguishing agent into the inside of the bag body.

Fire extinguishing agent discharge apparatus

Growing community of inventors

Tottori, Japan

Yuhei Matsubara