Abstract
Exhaustive Rhodamine B oxidation by means of contact glow discharge plasma in aqueous solution has been investigated. The rate of degradation in different conditions such as pH、H2O2、Fe2+、n-butanol, and other factors affecting was studied. The results showed that, there are faster removal rate when the solution was in a relatively higher acidity; H2O2presence can improve the efficiency rate.Fe2+can promote reaction. Radical scavenger, n-butanol, inhibits the Rhodamine B removal significantly. Some major intermediate products were detected by HPLC and GC-MS, respectively.
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