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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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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