A PROCESS FOR OBTAINING CHEMO-MECHANICAL, SEMI-CHEMICAL OR CHEMICAL WOOD PULPS FOR THE MANUFACTURE OF PAPER, CARDBOARD AND THE LIKE

摘要

A procedure for obtaining wood pulp and pulp, be it mechanical, semi-chemical, or chemical for the manufacture of papers, cardboard, and related materials, starting with any type of wood, which is cut to a size capable of facilitating dehydration, considering that it is optimal, but not essential, that the cut is carried out by scaling the wood with a cutting drum machine, with transversal advance and displaceable towards the axis of the trunk, which produces a circular secant in the cylinder formed by said trunk, the thickness of the flake to be used, uniform and comprised between approximately 0.1 mm and 3 mm, this wood being taken, together with the lye to be used, which may be acidic, alkaline or neutral, to the impregnation stage; formed the pulp in the impregnation stage, this is taken to the subsequent cooking and/or defibration stage, characterized by including between the cutting and impregnation stage, a stage consisting of a sensitive dehydration of the wood, which can reach up to 100% dryness. (Machine-translation by Google Translate, not legally binding)