Patent ID: 6306248
Filing Date: 2001-10-23
Classification: D21B,Y02W

Abstract:
A method for treating diverse pulp and paper products derived from waste paper or MSW to produce a homogenous cellulosic feedstock, comprising the steps of:feeding diverse pulp and paper products into a vessel;introducing steam into the vessel while agitating the products;purging gases from the vessel through a vent valve while agitating the products;capturing said gases and treating the gases to render any volatile organic compounds and any other air pollutants present in the gases harmless;sealing the vessel so that the vessel is pressure tight;saturating the products with steam at sufficient temperature and pressure to expand molecular structure of the products, while agitating the products;depressurizing the vessel to further enhance the molecular expansion of the products; anddischarging the processed products therefrom.