Method for decontamination of a liquid or gaseous environment

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PROBLEM TO BE SOLVED: To surely and economically suppress or prevent scattering of dust (asbestos dust) caused by weathering of sprayed material of asbestos or demolition. SOLUTION: An appropriate amount of fixing liquid formed by homogeneously blending a surfactant and a thickener to a solution of polysaccharide like gum arabic, is sprayed to the sprayed material of asbestos to moisturize/fix dust of weathered sprayed material, to suppress or prevent scattering of dust caused by demolition. Even if the fixing liquid is dried, scattering of dust caused by demolition of the treating object can be suppressed or prevented, by re-moisturizing with water and recovering viscosity of the fixing liquid. Inclusion of water into the thickener swells the volume thereof to facilitate exfoliation of the treating object. COPYRIGHT: (C)2008,JPO&INPIT

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