METHOD FOR PRODUCING SUPPORT FOR LITHOGRAPHIC PRINTING PLATE, AND METHOD FOR RECYCLING LITHOGRAPHIC PRINTING PLATE

摘要

PROBLEM TO BE SOLVED: To make it possible to hardly produce smoke caused by the burning of organic matters and also to prevent the quality of molten metal from being affected by imperfect combustion when a used lithographic printing plate is melted as a recycled material so as to obtain a recycled molten metal.

SOLUTION: The method for producing a support for a lithographic printing plate is provided with: a preparation stage where a used lithographic printing plate is prepared as a recycled material 40: a heating stage where heating is performed at a temperature in which the lithographic printing plate of the recycled material 40 is not melted; and a melting stage where the heated recycled material 40 is melted by a melting furnace so as to obtain a recycled molten metal.

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