METHOD FOR REGENERATING WASTE PAPER

摘要

PURPOSE:To provide a method for regenerating waste paper capable of regenerating the waste paper having recorded images by electrophotography or thermal transfer to white paper by a simple method within an office where the waste paper is generated. CONSTITUTION:This method for regenerating the waste paper W to the white paper by erasing the images recorded by electrophotography or thermal transfer on the waste paper W. The waste paper W is dried by ultrasonic washing in a washing solvent 3 fully composed or mainly composed of N-alkyl pyrrolidone or its deriv.