STUDY OF THE INFLUENCE OF THE HYDROGEN CHLORIDE AMOUNT ON DELIGNIFICATION OF NONCONVENTIONAL CELLULOSE CONTAINING MATERIAL IN ETHYLENE GLYCOL UNDER ATMOSPHERIC PRESSURE

  • Роман Юрьевич Митрофанов Biysk Institute of Technology (branch) of I.I. Polzunov Altay State Technical University, st. Trofimova, 27, Biysk, 659305 Email: roma@bti.secna.ru
  • Марина Николаевна Денисова Institute for Problems of Chemical & Energetic Technologies of the Siberian Branch of the Russian Academy of Sciences, st. Sotsialisticheskaia, 1, Biysk, 659322 Email: aniram-1988@mail.ru
DOI_disc_logo https://doi.org/10.14258/jcprm.1303071
Keywords: delignification at atmospheric pressure, ethylene glycol, Miscanthus, cereal husks, pulp, lignin

Abstract

The influence of the delignification modes of Miscanthus sinensis and cereal husks in ethylene glycol on the pulp quality has been investigated. It was found that the absence of a catalyst in the cooking liquor does not lead to delignification. The introduction of a catalyst - hydrogen chloride accelerates delignification while pentosan hydrolysis proceeds. Ethylene glycol regeneration is carried out by vacuum distillation of the cooking liquor.

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Author Biographies

Роман Юрьевич Митрофанов, Biysk Institute of Technology (branch) of I.I. Polzunov Altay State Technical University, st. Trofimova, 27, Biysk, 659305
доцент кафедры биотехнологии, кандидат химических наук, тел.: (3854) 43-53-05
Марина Николаевна Денисова, Institute for Problems of Chemical & Energetic Technologies of the Siberian Branch of the Russian Academy of Sciences, st. Sotsialisticheskaia, 1, Biysk, 659322
младший научный сотрудник лаборатории биоконверсии, аспирант, тел.: (3854) 305985

References

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Непенин Ю.Н., Жалина В.А., Мялицына Л.О. Варка сосновой древесины с этиленгликолем // Бумажная про-мышленность. 1982. №1. С. 10–11.

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Оболенская А.В., Ельницкая З.П., Леонович А.А. Лабораторные работы по химии древесины и целлюлозы. М., 1991. 320 с.

Published
2013-10-20
How to Cite
1. Митрофанов Р. Ю., Денисова М. Н. STUDY OF THE INFLUENCE OF THE HYDROGEN CHLORIDE AMOUNT ON DELIGNIFICATION OF NONCONVENTIONAL CELLULOSE CONTAINING MATERIAL IN ETHYLENE GLYCOL UNDER ATMOSPHERIC PRESSURE // chemistry of plant raw material, 2013. № 3. P. 71-75. URL: http://journal.asu.ru/cw/article/view/jcprm.1303071.
Issue
No 3 (2013)
Section
Biopolymers of plants

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