PROCESS FOR THE PREPARATION OF HIGH - PERFORMANCE PAPER PULP AND WHITENING FROM WOOD CHIPS.

摘要

The invention relates to the production of high-yield pulp from wood chips. BR/ The process consists in successively treating the chips, before defibering, with a solution containing at least one reducing agent, then with an alkaline solution of hydrogen peroxide. BR/ Application to the production of paper pulp with a high degree of whiteness and good mechanical properties. / P