Pulp obtaining from miscathus stems

Authors

  • Валерій Анатолійович Барбаш National Technical University Ukraine “Kyiv Polytechnic Institute” Avenue Pobedy, 37, Kyiv, Ukraine, 03057, Ukraine
  • Тетяна Сергіївна Микитюк National Technical University Ukraine “Kyiv Polytechnic Institute” Avenue Pobedy, 37, Kyiv, Ukraine, 03057, Ukraine
  • Роман Валерійович Меньків National Technical University Ukraine “Kyiv Polytechnic Institute” Avenue Pobedy, 37, Kyiv, Ukraine, 03057, Ukraine
  • Ірина Віталіївна Трембус National Technical University Ukraine “Kyiv Polytechnic Institute” Avenue Pobedy, 37, Kyiv, Ukraine, 03057, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2013.19482

Keywords:

Miscanthus giganteus, delignification, pulp, rate constant, activation energy, selectivity

Abstract

The process of obtaining of neutral sulfite pulp from the stems of Miscanthus giganteus was studied. The dependence of physical-mechanical parameters of the obtained pulp on the concentration of sulfur dioxide, temperature and pulping time is shown. It was established that the temperature increase from 160 to 180 oC and pulping time from 60 to 120 minutes leads to the improvement of physical-mechanical properties of pulp.

The kinetic characteristics of the process of delignification of the Miscanthus stems were defined. It was established that the investigated process of delignification is described by the kinetic equation of the second order. It is shown that the increase in the concentration of sulfur dioxide in the pulping liquor from 20 to 40 g/l leads to the decrease in the activation energy of the specified process from 70.1 to 58,5 kJ/mol.

The selectivity indexes of lignin removal (selectivity, degree of removal of carbohydrates, delignification degree) by the neutral sulfite method of delignification of Miscanthus giganteus were determined.

The pulp, obtained from the stems of Miscanthus giganteus using the neutral sulfite method has the high physical-mechanical properties and can be used for the production of various types of paper and cardboard.

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

Тетяна Сергіївна Микитюк, National Technical University Ukraine “Kyiv Polytechnic Institute” Avenue Pobedy, 37, Kyiv, Ukraine, 03057

Master

Department of ecology and plant polymer technologies

Роман Валерійович Меньків, National Technical University Ukraine “Kyiv Polytechnic Institute” Avenue Pobedy, 37, Kyiv, Ukraine, 03057

Specialist

Department of ecology and plant polymer technologies

Ірина Віталіївна Трембус, National Technical University Ukraine “Kyiv Polytechnic Institute” Avenue Pobedy, 37, Kyiv, Ukraine, 03057

Ph.D, senior Lecturer

Department of ecology and plant polymer technologies

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Published

2013-12-17

How to Cite

Барбаш, В. А., Микитюк, Т. С., Меньків, Р. В., & Трембус, І. В. (2013). Pulp obtaining from miscathus stems. Eastern-European Journal of Enterprise Technologies, 6(6(66), 52–56. https://doi.org/10.15587/1729-4061.2013.19482

Issue

Vol. 6 No. 6(66) (2013): Technology of organic and inorganic substanse

Section

Technology organic and inorganic substances

License

Copyright (c) 2014 Валерій Анатолійович Барбаш, Тетяна Сергіївна Микитюк, Роман Валерійович Меньків, Ірина Віталіївна Трембус

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