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Application filed by Романія Іванівна Черьопкіна, Олена Володимирівна Янюк, Наталія Ярославівна ГреськівfiledCriticalРоманія Іванівна Черьопкіна
Priority to UAU201314591UpriorityCriticalpatent/UA91097U/en
Publication of UA91097UpublicationCriticalpatent/UA91097U/en
A method for delignification of raw material with production of fiber half-finished product includes addition of chaff of non-wooden plant raw material and boiling solution followed by chaff boiling at given modes. Chaff boiling is carried out with sodium-based neutral-sulfite solution, with decreased content of total SOfrom 20 to 25 g/dm, at a temperature of 180 and 190 °C, hydro-module of 5:1, for 110-150 minutes.
UAU201314591U2013-12-132013-12-13Method for delignification of raw material
UA91097U
(en)