Application of the amount of oxygen consumption to the investigation of the oxidation mechanism of lignin during oxygen-alkali treatment
β Scribed by Aiko Imai; Iori Tomoda; Tomoya Yokoyama; Yuji Matsumoto; Gyosuke Meshitsuka; Guolin Tong
- Publisher
- Springer
- Year
- 2008
- Tongue
- English
- Weight
- 311 KB
- Volume
- 54
- Category
- Article
- ISSN
- 1435-0211
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π SIMILAR VOLUMES
of silver chloride colloids in the presence of excess silver ions, leads to the decomposition of water. Hydroxyl radicals were found to be intermediates in the decomposition process. Irradiation leads to hydroxyl radicals, which recombine to give hydrogen peroxide, on the colloidal particle surface.
The oxidation of sodium dithionite with molecular oxygen in alkaline solutions takes place in two steps: in the first, dithionite oxidizes to sulphite and sulphate, $20 2-+O2+2OH--\*SO ] +SO 2-+H:O which occurs in the fast reaction regime; within this step the oxygen concentration in the bulk liquid