PROCESS FOR IMPROVING DELIGNIFICATION SELECTIVITY PROCESS FOR IMPROVING DELIGNIFICATION SELECTIVITY OF A CHEMICAL PAPERMAKING PULP OF A CHEMICAL PAPERMAKING PULP

摘要

process for improving the selectivity of the delignification of a chemical paper pulp process for improving the selectivity of the delignification of a chemical paper pulp, in:in an organic peroxyacide that we treat the unbleached pulp mill effluents from the cooking operation by an aqueous solution of an organic peroxyacide and that there is a tempu00e9r treatment(between 2 and 47.degree. c. no figure.