PROCESSO PARA A ELIMINACAO DE TINTA DE MATERIAIS RESIDUAIS DE PAPEL

A METHOD OF DE-INKING WASTE PAPER MATERIALS CONSISTS IN PULPING THE PAPER MATERIAL IN A HYDROPULPER 1 TO FORM A FIBROUS STOCK, AND ADDING A SUBSTANCE IN THE FORM OF A MIXTURE OF PHOSPHATED AND CARBONATED SODIUM SALTS TO THE FIBROUS STOCK TO DISPERSE INK PARTICLES FROM THE STOCK. THE STOCK AND DISPER...

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Bibliographische Detailangaben
1. Verfasser:	STANLEY BLUM
Format:	Patent
Sprache:	por
Schlagworte:	APPARATUS THEREFOR IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS PULP COMPOSITIONS REGENERATION OF PULPING LIQUORS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKINGMACHINE
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Zusammenfassung:	A METHOD OF DE-INKING WASTE PAPER MATERIALS CONSISTS IN PULPING THE PAPER MATERIAL IN A HYDROPULPER 1 TO FORM A FIBROUS STOCK, AND ADDING A SUBSTANCE IN THE FORM OF A MIXTURE OF PHOSPHATED AND CARBONATED SODIUM SALTS TO THE FIBROUS STOCK TO DISPERSE INK PARTICLES FROM THE STOCK. THE STOCK AND DISPERSED INK PARTICLES PASS THROUGH WASHING STAGES 4, 7 AND 8, IN A CENTRIFUGAL CLEANER 3, IN ORDER TO REMOVE THE INK PARTICLES FROM THE FIBROUS STOCK.