METHOD OF RECOVERING A BASE PAPER FOR GYPSUM BOARD AND APPARATUS OF RECOVERING A BASE PAPER FOR GYPSUM BOARD

摘要

There are provided a method of recovering a basepaper for gypsum board for continuously and efficientlyrecovering a base paper for gypsum board from a wastematerial of gypsum board including a gypsum core and thebase paper for gypsum board adhering thereto. The methodof recovering a base paper for gypsum board includes stepsof breaking the waste material of gypsum board, separatinga gypsum component and a paper piece of the base paper forgypsum board from the broken waste material of gypsumboard, and washing the separated paper piece with waterusing a rotary drum-type washing device so as to eliminatea gypsum component adhering to the paper piece.