ALKALINE WOOD PULPING WITH QUINONE PRESENCE AND ITS INFLUENCE ON QUALITY OF DESIRED PRODUCT USED FOR PACKING PRODUCTION
https://doi.org/10.21122/2227-1031-2017-16-5-432-436
Abstract
Application of waste liquor at a rate of 25% that contains the used quinone and is applied as an additive has shown that qualitative characteristics of the obtained desired product do not differ from a product while using fresh quinone for pulping of cellulose-containing vegetable raw material. For this reason process of obtaining the desired product (cellulose or semicellulose) becomes economically cost-efficient on the basis of calculation and with due account of ecology. While analyzing investigation results pertaining to production of wood pulp from vegetable raw material (sprucewood) it is possible to point out the fact that qualitative characteristics of the desired product have been improved due to addition of quinone in the process of alkaline wood pulping (sulphate and sodic). A number of research publications have described a positive influence of additives on alkaline delignification of vegetable raw material. It subsequently improves the quality of the desired product: reduction of lignin content in the product; an output increase in cellulose and hemicellulose, α-cellulose in cellulose; upgrading of physical and mechanical indices. All the above-mentioned elements and components contribute to better quality of the manufactured packing products. In this case formation of hazardous sulfur-containing compounds is fully excluded.
About the Author
I. I. Karpunin
Belarusian National Technical University
Belarus
Belarus
Address for correspondence: Karpunin Ivan I. – Belarusian National Technical University, 14 Ya. Kolasа str., 220013, Minsk, Republic of Belarus. Tel.: +375 17 293-96-48 oup@bntu.by
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Review
For citations:
Karpunin I.I. ALKALINE WOOD PULPING WITH QUINONE PRESENCE AND ITS INFLUENCE ON QUALITY OF DESIRED PRODUCT USED FOR PACKING PRODUCTION. Science & Technique. 2017;16(5):432-436. (In Russ.) https://doi.org/10.21122/2227-1031-2017-16-5-432-436
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