FR687335A - Procédé pour l'élimination des gaz malodorants produits dans la fabrication de lacellulose au sulfate et de la cellulose à la soude
- Google Patents
Procédé pour l'élimination des gaz malodorants produits dans la fabrication de lacellulose au sulfate et de la cellulose à la soude
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.)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filedfiledCritical
Application grantedgrantedCritical
Publication of FR687335ApublicationCriticalpatent/FR687335A/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
D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
D21C11/08—Deodorisation ; Elimination of malodorous compounds, e.g. sulfur compounds such as hydrogen sulfide or mercaptans, from gas streams
FR687335D1929-01-221929-12-27Procédé pour l'élimination des gaz malodorants produits dans la fabrication de lacellulose au sulfate et de la cellulose à la soude
ExpiredFR687335A
(fr)
Perfectionnements apportés aux procédés pour l'obtention du soufre à partir des matières contenant du soufre et plus spécialement des produits de purification des gaz