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 filed by Tampella Oy AbfiledCriticalTampella Oy Ab
Priority to FI2827/65ApriorityCriticalpatent/FI40257B/fi
Priority to DE1692877Aprioritypatent/DE1692877C3/de
Priority to SE16010/66Aprioritypatent/SE309355B/xx
Application grantedgrantedCritical
Publication of FI40257BpublicationCriticalpatent/FI40257B/fi
Priority to US00212786Aprioritypatent/US3841961A/en
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
D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
D21C11/0071—Treatment of green or white liquors with gases, e.g. with carbon dioxide for carbonation; Expulsion of gaseous compounds, e.g. hydrogen sulfide, from these liquors by this treatment (stripping); Optional separation of solid compounds formed in the liquors by this treatment
Verfahren und Vorrichtung zum Aufarbeiten von wässrigen Sulfidlösungen, insbesondere von bei der alkalischen Sulfatcellulose-Gewinnung anfallenden natriumsulfidhaltigen Grünlaugen