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Publication of FR627947ApublicationCriticalpatent/FR627947A/en
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C7/00—Digesters
D21C7/10—Heating devices
FR627947D1927-01-241927-01-24
Device allowing the use of return water possibly containing impurities dangerous for the generators
ExpiredFR627947A
(en)