SU1304456A1 - METHOD OF OBTAINING CELLULOSE - Google Patents

METHOD OF OBTAINING CELLULOSE

Info

Publication number
SU1304456A1
SU1304456A1 SU3967223/12A SU3967223A SU1304456A1 SU 1304456 A1 SU1304456 A1 SU 1304456A1 SU 3967223/12 A SU3967223/12 A SU 3967223/12A SU 3967223 A SU3967223 A SU 3967223A SU 1304456 A1 SU1304456 A1 SU 1304456A1
Authority
SU
USSR - Soviet Union
Prior art keywords
cellulose
obtaining cellulose
impregnating solution
alkaline reagent
overpressure
Prior art date
Application number
SU3967223/12A
Other languages
Russian (ru)
Inventor
Ю.Н. Непенин
Г.А. Пазухина
Дебесай Сентбето
Original Assignee
Ленинградская лесотехническая академия им.С.М.Кирова
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 Ленинградская лесотехническая академия им.С.М.Кирова filed Critical Ленинградская лесотехническая академия им.С.М.Кирова
Priority to SU3967223/12A priority Critical patent/SU1304456A1/en
Application granted granted Critical
Publication of SU1304456A1 publication Critical patent/SU1304456A1/en

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  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

Способ получения целлюлозы, включающий пропарку целлюлозосодержащего растительного сырья, обработку его пропиточным раствором щелочного реагента при избыточном давлении, удаление отработанного пропиточного раствора и последующую сульфитную варку, отличающийся тем, что, с целью ускорения процесса при сохранении качества целлюлозы, в качестве щелочного реагента используют карбонат калия.A method of producing cellulose, which includes steaming the cellulose-containing plant material, treating it with an impregnating solution of an alkaline reagent at an overpressure, removing the spent impregnating solution, and then sulphite boiling, characterized in that potassium carbonate is used as the alkaline reagent .

SU3967223/12A 1985-08-21 1985-08-21 METHOD OF OBTAINING CELLULOSE SU1304456A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU3967223/12A SU1304456A1 (en) 1985-08-21 1985-08-21 METHOD OF OBTAINING CELLULOSE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU3967223/12A SU1304456A1 (en) 1985-08-21 1985-08-21 METHOD OF OBTAINING CELLULOSE

Publications (1)

Publication Number Publication Date
SU1304456A1 true SU1304456A1 (en) 2000-06-10

Family

ID=60540146

Family Applications (1)

Application Number Title Priority Date Filing Date
SU3967223/12A SU1304456A1 (en) 1985-08-21 1985-08-21 METHOD OF OBTAINING CELLULOSE

Country Status (1)

Country Link
SU (1) SU1304456A1 (en)

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