Manufacture of paper

Details Manufacture of paper Manufacture of paper

D - Textiles, Paper

21

H

92/52

D21H 17/22 (2006.01) D21H 21/56 (2006.01) D21H 23/00 (2006.01)

Patent

CA 1055292

IMPROVEMENTS IN OR RELATING TO THE MANUFACTURE OF PAPER ABSTRACT OF THE DISCLOSURE A method of reducing the number or amount of chemical additives normally incorporated into paper pulp furnish before transferring the latter to the continuous wire mesh of a papermaking machine in the manufacture of paper sheet involves the use of a proteinaceous foam which does not appreciably affect the degree of sizing of the finished paper sheet. The use of such foam in paper manufacture can render unnecessary the chemical treatment of effluent from the papermaking machine which is normally required to avoid environmental pollution. -1-

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