DOI: https://doi.org/10.15587/2312-8372.2014.32107

Straw cellulose obtaining in the isobutanol - hydrazine – KOH system

Валерій Анатолійович Барбаш, Ольга Василівна Ященко

Abstract


The delignification process of wheat straw in isobutyl alcohol - hydrazine – KOH system in the range of 140-160 0C and length 60-150 min is investigated. It is shown that the quality values of obtained cellulose are naturally decreased with increasing of temperature and duration of cooking, due to the intensification of lignin destruction process. Laboratory castings of straw pulp has the following physical and mechanical properties, tensile length of 6200-6900 meters, forcing index 4,2-4,5 kN/g, number of double kinks 520-600, that is higher than the wood cellulose quality obtained by traditional sulfate and sulfite cooking methods.

The chemical composition of top layer of worked-out solution is determined by the method of proton magnetic resonance. Four major peaks that correspond to isobutanol groups and confirm ability to use the top layer of worked-out cooking solution to the following cooking are observed in the obtained spectra.


Keywords


cellulose; wheat straw; isobutyl alcohol; hydrazine; nuclear magnetic resonance

References


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GOST Style Citations


Smook, G. A. Handbook for Pulp and Paper Technologists [Text] / G. A. Smook. – Ed. 2. – Angus Wilde Publications, 1992. – 419 p.

Barbash, V. Pulp obtaining from corn stalks [Text] / V. Barbash, I. Trembus, J. Nagorna // Chemistry and Chemical Technology. – 2012. – V. 6, № 1. – P. 83-87.

Rodríguez, A. Rice straw pulp obtained by using various methods [Text] / A. Rodríguez, A. Moral, L. Serrano, J. Labidi, L. Jiménez // Bioresource Technology. – 2008. – Vol. 99, № 8. – P. 2881–2886. doi:10.1016/j.biortech.2007.06.003

Mossello, A. A. A Review of Literatures Related of Using Kenaf for Pulp Production (Beating, Fractionation, and Recycled Fiber) [Text] / A. A. Mossello, J. Harun, P. M. Tahir, H. Resalati, R. Ibrahim, S. R. Fallah Shamsi, A. Z. Mohmamed // Modern Applied Science. – 2010. – V. 4, № 9. – P. 21-29. doi:10.5539/mas.v4n9p21

Hurter, B. Nonwood fiber offer potential opportunity for papermakers [Text] / B. Hurter // TAPPI J. – 2014. – P. 5–6.

Barbash, V. Аmmonia-sulfite-ethanol pulp from wheat straw [Text] / V. Barbash, I. Trembus, V. Shevchenko // Cellulose Chemistry and Technology. – 2014. – № 48. – P. 345–353.

Ruiz, H. A. Development and Characterization of an Environmentally Friendly Process Sequence (Autohydrolysis and Organosolv) for Wheat Straw Delignification [Text] / H. A. Ruiz, D. S. Ruzene, D. P. Silva, F. F. M. da Silva, A. A. Vicente, J. A. Teixeira // Applied Biochemistry and Biotechnology. – 2011. – Vol. 164, № 5. – P. 629–641. doi:10.1007/s12010-011-9163-9

Villaverde, J. J. Miscanthus x giganteus as a Source Of Biobased Products Through Organosolv Fractionation: A Mini Review [Text] / J. J. Villaverde, P. Ligero, A. de. Vega // The Open Agriculture Journal. – 2010. – Vol. 4, № 1. – P. 102–110. doi:10.2174/1874331501004010102

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Copyright (c) 2016 Валерій Анатолійович Барбаш, Ольга Василівна Ященко

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ISSN (print) 2664-9969, ISSN (on-line) 2706-5448