Importance

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Abstract

An asbestos detoxification method comprising a step B1 of impregnating an existing asbestos layer with an asbestos melting agent and detaching the existing asbestos layer; a step B2 of pulverizing the existing asbestos layer; a step B3 of loading the pulverized material obtained in step B2 into a melting furnace; a step B4 of heating a resin subsidiary material used in the disposal of the asbestos layer to vaporize the resin portion thereof and further converting the vaporized resin portion into plastic oil; a step B5 of combusting either or both of the plastic oil obtained in step B4 and a fuel; and a step B6 of heating and melting the pulverized material that is in the melting furnace with the use of the heat obtained in step B5. By this detoxification method, it is possible not only to detoxify asbestos sprayed onto a surface of a base material such as a base material of a building, or asbestos-containing building material at low energy, but also to detoxify and recycle various subsidiary materials that are used in the detoxification and are required to be disposed of as specially controlled industrial waste, at the same time.

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First Claim