UA91097U - Method for delignification of raw material - Google Patents

Method for delignification of raw material

Info

Publication number
UA91097U
UA91097U UAU201314591U UAU201314591U UA91097U UA 91097 U UA91097 U UA 91097U UA U201314591 U UAU201314591 U UA U201314591U UA U201314591 U UAU201314591 U UA U201314591U UA 91097 U UA91097 U UA 91097U
Authority
UA
Ukraine
Prior art keywords
raw material
chaff
boiling
delignification
sofrom
Prior art date
Application number
UAU201314591U
Other languages
Russian (ru)
Ukrainian (uk)
Inventor
Романія Іванівна Черьопкіна
Олена Володимирівна Янюк
Наталія Ярославівна Греськів
Original Assignee
Романія Іванівна Черьопкіна
Олена Володимирівна Янюк
Наталія Ярославівна Греськів
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 Романія Іванівна Черьопкіна, Олена Володимирівна Янюк, Наталія Ярославівна Греськів filed Critical Романія Іванівна Черьопкіна
Priority to UAU201314591U priority Critical patent/UA91097U/en
Publication of UA91097U publication Critical patent/UA91097U/en

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  • Paper (AREA)

Abstract

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.
UAU201314591U 2013-12-13 2013-12-13 Method for delignification of raw material UA91097U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
UAU201314591U UA91097U (en) 2013-12-13 2013-12-13 Method for delignification of raw material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
UAU201314591U UA91097U (en) 2013-12-13 2013-12-13 Method for delignification of raw material

Publications (1)

Publication Number Publication Date
UA91097U true UA91097U (en) 2014-06-25

Family

ID=56282855

Family Applications (1)

Application Number Title Priority Date Filing Date
UAU201314591U UA91097U (en) 2013-12-13 2013-12-13 Method for delignification of raw material

Country Status (1)

Country Link
UA (1) UA91097U (en)

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