Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Combustion Engineering Inc
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Combustion Engineering Inc
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Publication date
Application filed by Combustion Engineering IncfiledCriticalCombustion Engineering Inc
Application grantedgrantedCritical
Publication of FR1443951ApublicationCriticalpatent/FR1443951A/fr
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C11/00—Regeneration of pulp liquors or effluent waste waters
D21C11/0042—Fractionating or concentration of spent liquors by special methods
D21C11/005—Treatment of liquors with ion-exchangers
FR3201A1964-03-241965-03-23Procédé et installation pour la récupération des produits formés lors de la fabrication de la pâte à papier
ExpiredFR1443951A
(fr)