| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent coloring of injection gas when waste paper powder is used as an absorber of liquefied gas for a gas spray using dimethyl ether or mixed gas including dimethyl ether as the injection gas, in the gas spray called as a dust scattering spray or the like and a liquefied gas storage body used for the gas spray. <P>SOLUTION: In the gas storage body, activated charcoal or activated white earth is dispersed or included in the waste paper powder. Preferably, the activated charcoal or activated white earth is planarly dispersed on the surface layer of the waste paper powder wrapped in a liquid permeable sheet or is uniformly mixed with the waste paper powder. The gas spray is formed by filling the liquefied gas storage body and liquefied dimethyl ether in a container with a nozzle which can be held and enables injection operation with one hand. <P>COPYRIGHT: (C)2013,JPO&INPIT |
