NDLI: Adsorption of Manganese(II) on Cellulose Fiber and Effect of Different States of Manganese(II) on Decomposition of Hydrogen Peroxide

Content Provider	IEEE Xplore Digital Library
Author	Zhang Xuejin Li Youming Lu Ruijiang
Copyright Year	2010
Abstract	The adsorption of "fresh" Mn(Ⅱ) and "aged" Mn(Ⅱ) on eucalyptus holocellulose was characterized under alkaline conditions. There was a good linear relationship between adsorbed Mn(Ⅱ) on cellulose and free Mn(Ⅱ) added. "Aged" Mn(Ⅱ) showed stronger affinities to cellulose compared to "fresh" Mn(Ⅱ) in the range of 0-18.18 µmol/gcellulose Mn(Ⅱ) added. Approximately 40% of free "aged" Mn(Ⅱ) added was adsorbed on cellulose fiber. Adsorption of "aged" Mn(Ⅱ) reached the ceiling about 7.66 µmol/gcellulose. Moreover, the effect of different states of Mn(Ⅱ) on catalytic decomposition of hydrogen peroxide, such as free "aged" Mn(Ⅱ) and adsorbed "aged" Mn(Ⅱ) on cellulose, was assessed. "Aged" Mn(Ⅱ) adsorbed on cellulose fibre showed similar influence on peroxide decomposition compared to free "aged" Mn(Ⅱ). In addition, DTPA showed a strong stability on peroxide with free "aged" Mn(Ⅱ), and it was better to add alkali and hydrogen peroxide to DTPA reaction mixture solution as quickly as possible. MgSO4 combined with DTPA was the best way to stabilize peroxide in presence of "aged" Mn(Ⅱ) adsorbed on cellulose fibre, and nearly half of peroxide could remain after 40 min.
Starting Page	1
Ending Page	4
File Size	275400
Page Count	4
File Format	PDF
ISBN	9781424447121
ISSN	21517622
DOI	10.1109/ICBBE.2010.5516090
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Additives Stability Laboratories Bleaching Effluents Aging Paper technology Bonding Manganese Dynamic equilibrium
Content Type	Text
Resource Type	Article

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