Indirect Electrochemical Reduction of Indanthrene Brilliant Green FFB
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Indirect Electrochemical Reduction of Indanthrene Brilliant Green FFB
Chinese Journal of Chemical EngineeringVol. 19, Issue 2, Pages: 199-204(2011)
Affiliations:
1. State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering and Materials, Zhejiang University of Technology,Hangzhou,China,310032
2. Shaoxing Environmental Monitoring Central Station,Shaoxing,China,312000
The indirect electrochemical reduction of Indanthrene Brilliant Green FFB (IBG) was investigated in detail by cyclic voltammetry and electrolytic experiments.Triethanolamine (TEA) was used as ligand to form electrochemically active Fe(Ⅲ)-complexes in alkaline solution.The effects of operating parameters including reaction temperature
current density
concentration of NaOH and Fe(Ⅲ)-TEA mediator had been studied by orthogonal ex-periments and the mechanism of radicals on electrochemical reduction was discussed.The cyclic voltammetry experimental results show that Fe(Ⅲ)-TEA complexes are well suited for the indirect electrochemical reduction of IBG.The electrolytic experiments show that high current efficiency (49.9%) can be successfully achieved under optimized conditions and the current density is found to be the main influence factor.
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