Totally chlorine-free bleaching of soda rapeseed pulp

Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F17%3A39911276" target="_blank" >RIV/00216275:25310/17:39911276 - isvavai.cz</a>
Výsledek na webu
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DOI - Digital Object Identifier
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Jazyk výsledku
angličtina
Název v původním jazyce
Totally chlorine-free bleaching of soda rapeseed pulp
Popis výsledku v původním jazyce
Laboratory bleaching study was carried out on soda rapeseed pulp to investigate the influence of two bleaching oxidisers, namely hydrogen peroxide and peracetic acid, on pulp properties. The five-stage bleaching sequence, Q1Q2EPPaaP, containing two chelation stages, as well as alkaline extraction, was selected for totally chlorine-free bleaching process. The brightness and zero-span tensile index of bleached pulps were measured after the EP, Paa, and P stages. The results obtained showed that totally chlorine-free bleaching did not bring the sufficient bleaching effect for soda pulp cooked from rapeseed straw.
Název v anglickém jazyce
Totally chlorine-free bleaching of soda rapeseed pulp
Popis výsledku anglicky
Laboratory bleaching study was carried out on soda rapeseed pulp to investigate the influence of two bleaching oxidisers, namely hydrogen peroxide and peracetic acid, on pulp properties. The five-stage bleaching sequence, Q1Q2EPPaaP, containing two chelation stages, as well as alkaline extraction, was selected for totally chlorine-free bleaching process. The brightness and zero-span tensile index of bleached pulps were measured after the EP, Paa, and P stages. The results obtained showed that totally chlorine-free bleaching did not bring the sufficient bleaching effect for soda pulp cooked from rapeseed straw.

Rok uplatnění
2017
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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