Effect of Fe-chelating complexes on a novel M2FC performance with ferric chloride and ferricyanide catholytes.
作者： Kyungmi Chung , Ilgyu Lee , Jong-In Han
DOI: 10.1016/J.CHEMOSPHERE.2011.09.012
关键词: Chelation 、 Ferricyanide 、 Chloride 、 Electrolyte 、 Ferrous 、 Microbial fuel cell 、 Chemistry 、 Ferric 、 Inorganic chemistry 、 Linear sweep voltammetry
摘要: Abstract As an effort to better utilize the microbial fuel cell (MFC) technology, we previously proposed innovative MFC system named M2FC consisting of ferric-based part and ferrous-based (FC) part. In this reactor, ferric ion, catholyte in part, was efficiently regenerated by FC with generation additional electricity. When both units were operated separately, produced approximately 1360 mW m −2 power density FeCl 3 as Fe-citrate anolyte. The Fe-EDTA anolyte displayed highest (1500 mW m ), while that ferricyanide Fe-noligand had lowest (380 mW m ). types catholytes chelating complexes found play important roles reduction ions oxidation ferrous ion. Linear sweep voltammetry results supported cathode electrolytes electrically active these agreed well reactor performance. These clearly showed ligands played critical role efficiency rate for recycling iron ion thus
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