Journal article

The effect of Fenton chemistry on the properties of microfibrillated cellulose


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Publication Details

Author list: Paulsson, Magnus

Publication year: 2014

Start page: 1489

End page: 1503

Number of pages: 15

ISSN: 0969-0239


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A fully bleached birch kraft pulp was treated with acidic hydrogen peroxide in the presence of ferrous ions (Fentons reagent) and thereafter treated mechanically in a colloid mill to produce a product containing microfibrillated cellulose (MFC). The produced MFC products were chemically and morphologically characterized and compared with MFC products produced without pretreatment as well as with enzymatic hydrolysis. Fenton treatment resulted in an increase in total charge and number of carbonyl groups while the intrinsic viscosity decreased. The Fenton treated pulps were easier to process mechanically i.e. they reached a higher specific surface area at a given mechanical treatment time and the MFC produced had a stable water-fibre suspension for at least 8 weeks compared to enzymatic pretreated pulps and pulps not subjected to any pretreatment. © 2014 Springer Science+Business Media Dordrecht.


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