Influence of pre-treatment of flax fibers on cellulose properties

Authors

  • Валерій Анатолійович Барбаш National Technical University Ukraine “Kyiv Polytechnic Institute” Avenue Pobedy, 37, Kyiv, Ukraine, 03057, Ukraine https://orcid.org/0000-0002-7933-6038
  • Юлія Миколаївна Нагорна National Technical University Ukraine “Kyiv Polytechnic Institute” Avenue Pobedy, 37, Kyiv, Ukraine, 03057, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2014.25934

Keywords:

alkaline treatment, acid treatment, flax fiber, delignification, sulfate ash

Abstract

The influence of the main process parameters (temperature, duration, irrigation modulus, catalyst content) alkaline and acid treatment of flax fibers on the quality parameters of the obtained pulp was investigated. The effect of various chemical agents on removing non-cellulose components of flax fibers, in particular minerals, was studied. It was found that during alkaline treatment of the flax fibers sodium hydroxide better removed lignin and minerals than potassium hydroxide and hydrous ammonia.

For the production of microcrystalline cellulose of flax fibers, it is recommended to carry out alkaline treatment at the concentration of sodium hydroxide in 20-25 % solution at the temperature of 160 0С for 180 minutes.

The preliminary stage of acid hydrolysis of flax fibers is recommended to be carried out with a sulfuric acid concentration of 1 % at 100 0С for 180 minutes.

Author Biographies

Валерій Анатолійович Барбаш, National Technical University Ukraine “Kyiv Polytechnic Institute” Avenue Pobedy, 37, Kyiv, Ukraine, 03057

PhD, Associate professor

Department of ecology and plant polymer technologies

Юлія Миколаївна Нагорна, National Technical University Ukraine “Kyiv Polytechnic Institute” Avenue Pobedy, 37, Kyiv, Ukraine, 03057

Graduate student

Department of ecology and plant polymer technologies

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Published

2014-08-08

How to Cite

Барбаш, В. А., & Нагорна, Ю. М. (2014). Influence of pre-treatment of flax fibers on cellulose properties. Eastern-European Journal of Enterprise Technologies, 4(6(70), 4–8. https://doi.org/10.15587/1729-4061.2014.25934

Issue

Vol. 4 No. 6(70) (2014): Technology organic and inorganic substances

Section

Technology organic and inorganic substances

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Copyright (c) 2014 Валерій Анатолійович Барбаш, Юлія Миколаївна Нагорна

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