PROCESS FOR ENHANCING PAPER PULP BLEACHING USING OZONE, AND PULP THUS TREATED

摘要

process for improving the chemical pulp and paper pulp bleaching with ozone, characterised in that it consists of.first of all, to be in contact with the chemical pulp with chlorine dioxide.then, before the chlorine dioxide has been used up, to introduce ozone into the dough.in such a way that the reaction of the pulp with ozone is carried out also in the presence of chlorine dioxide.