Elemental Chlorine-Free Bleaching of Soda Pulp Cooked from Rapeseed Straw

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F16%3A39901721" target="_blank" >RIV/00216275:25310/16:39901721 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Elemental Chlorine-Free Bleaching of Soda Pulp Cooked from Rapeseed Straw
Original language description
Soda pulp cooked from rapeseed straw was subjected to a four-stage elemental chlorine-free bleaching under laboratory conditions. Chlorine dioxide and hydrogen peroxide were used as bleaching chemicals. For comparison, kraft pulp cooked from a blend of spruce and pine was subjected to the same bleaching sequence D0EPD1P. After each bleaching step, the optical and strength properties were measured. The preliminary results showed that bleachability of soda rapeseed pulp was lower in comparison with kraft softwood pulp for D0EPD1P bleaching sequence. The brightness increment of 43.2 % ISO and 48.5 % ISO was achieved for soda and kraft pulps, respectively. However, the bleaching had a negative impact on the zero-span breaking length for both pulps. The brightness attained for elemental chlorine-free bleaching of soda and kraft pulps was compared with that obtained for totally chlorine-free bleaching of kraft softwood pulp in our previous work.
Czech name
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Czech description
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Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
ŠVOČ 57 : 57th International Student's Scientific Conference
ISBN
978-80-228-2858-1
ISSN
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e-ISSN
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Number of pages
11
Pages from-to
26-36
Publisher name
Technická univerzita vo Zvolene
Place of publication
Zvolen
Event location
Zvolen
Event date
May 3, 2016
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
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