Process for the delignification of a chemical paper pulp

Process for the delignification of a chemical paper pulp

Process for the delignification of a chemical paper pulp by means of an organic peroxyacid, according to which the unbleached pulp originating from the cooking operation is treated with an aqueous solution of this organic peroxyacid in which the hydrogen peroxide content does not exceed 20 % of the...

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1. Verfasser: PATRICIA B. WALSH
Format: Patent
Sprache:eng
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APPARATUS THEREFOR
PAPER-MAKING
PRODUCTION OF CELLULOSE
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS
REGENERATION OF PULPING LIQUORS
TEXTILES
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creator PATRICIA B. WALSH
description Process for the delignification of a chemical paper pulp by means of an organic peroxyacid, according to which the unbleached pulp originating from the cooking operation is treated with an aqueous solution of this organic peroxyacid in which the hydrogen peroxide content does not exceed 20 % of the weight of the peroxyacid.
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subjects APPARATUS THEREFOR
PAPER-MAKING
PRODUCTION OF CELLULOSE
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS
REGENERATION OF PULPING LIQUORS
TEXTILES
title Process for the delignification of a chemical paper pulp
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