Using DTPA to decrease manganese-induced peroxide decomposition

被引：29
|
作者：
Qiu, Z
Ni, Y
Yang, S
机构：
[1] Univ New Brunswick, Limerick Pulp & Paper Res & Educ Ctr, Fredericton, NB E3B 6C2, Canada
[2] Tianjin Univ Sci & Technol, Tianjin, Peoples R China
来源：
JOURNAL OF WOOD CHEMISTRY AND TECHNOLOGY | 2003年 / 23卷 / 01期
关键词：
hydrogen peroxide; decomposition; bleaching; transition metal ions; manganese; DTPA; pH;
D O I：
10.1081/WCT-120018612
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
The catalytic activity of Mn(+II) and Mn(+III) in decomposing hydrogen peroxide was studied by using DTPA as the only stabilizer. It was found that the addition of DTPA to a Mn(+II) containing system is more effective than if it is added to a Mn(+III) containing system. To decrease the catalytic effect of Mn(+III), sodium borohydride and DTPA under an acidic condition were considered to reduce Mn(+III) to Mn(+II). The effect of pH on using DTPA to decrease Mn-induced peroxide decomposition is discussed.
引用
收藏
页码：1 / 11
页数：11
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