VERFAHREN UND ANLAGE ZUR BEHANDLUNG VON PAPIERPRODUKTEN MIT FLÜSSIGKEITEN GROSSER DICHTE

A method and a plant for processing paper products with a heavy pressurized fluid, wherein fibrous materials such as closed, stacked books (2) are contacted, preferably dynamically, with (a) a heavy fluid such as supercritical CO2?, and (b) the same heavy fluid containing a solution of one or more a...

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Hauptverfasser: CARLES, MAURICE, GOUCHET, ALAIN, PERRE, CHRISTIAN
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creator CARLES, MAURICE
GOUCHET, ALAIN
PERRE, CHRISTIAN
description A method and a plant for processing paper products with a heavy pressurized fluid, wherein fibrous materials such as closed, stacked books (2) are contacted, preferably dynamically, with (a) a heavy fluid such as supercritical CO2?, and (b) the same heavy fluid containing a solution of one or more active substance(s), whereafter, after a long enough time for the active substance to impregnate the books (2), said books (2) are reduced to atmospheric pressure to remove therefrom the heavy gaseous fluid. Said active substances have a neutralizing and/or strengthening effect on the paper.
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subjects IMPREGNATING OR COATING OF PAPER
PAPER NOT OTHERWISE PROVIDED FOR
PAPER-MAKING
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
PRODUCTION OF CELLULOSE
PULP COMPOSITIONS
TEXTILES
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
title VERFAHREN UND ANLAGE ZUR BEHANDLUNG VON PAPIERPRODUKTEN MIT FLÜSSIGKEITEN GROSSER DICHTE
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