REFINER BLEACHING WITH MAGNESIUM HYDROXIDE OR MAGNESIUM OXIDE AND PERHYDROXYL IONS

摘要

The method of the bleaching of mechanical paper pulp uses hydrogen peroxide under alkaline condition. These methods include introducing source magnesium ion and hydroxide ion and refiner. Wooden barrel particle is refined into paper pulp in magnesium ion and hydroxide ion, and optionally perhydroxyl ions to make elegant and bleaching pulp refiner simultaneously.