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D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
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FR320161D1902-04-031902-04-03Perfectionnements aux presses à pulpe de bois
ExpiredFR320161A
(fr)