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Advances in Molten Salts

1-56700-142-4 (Druckformat)

Oxidation of organic compounds and carbon monoixe in some molten salts and catalysts

M. A. Kerzhentsev
Boreskov Institute of catalysis, 630090, Novosibirsk, Russia

Martyn G. Adamson
Lawrence Livermore National Laboratory P.O. Box 808 Livermore, С A 94551-0808

Z. R. Ismagilov
Boreskov Institute of catalysis, 630090, Novosibirsk, Russia

Y. S. Chekryshkin
Institute of Technical Chemistry, 614600, Perm, Russia


The study of the performance of some molten salt systems in oxidation of organic compounds and CO was carried out with special emphasis on the effect of catalytically active additives on the oxidation efficiency. The destruction of various organic compounds, such as methane, propane, chlorobenzene, carbon tetrachloride and CO was studied in the melts: NaOH-KOH; LiCl-KCl, Li2S04-Na2S04, Li2C03-K2C03; carbonates doped with transition metal oxides (Fe203, Cr203, C03O4, Mn02) and catalytically active K2O-V2O5 system (pure and doped with CuO). The effects of melt composition, oxygen concentration, load on melt, and temperature on destruction efficiency were studied. The experimental results have shown that molten catalysts based on V2O5 or alkaline metal carbonates can be effectively used for the oxidation of CO and organic compounds. Catalyst performance depends on its composition and operation conditions. Addition of oxides of transition metals (Fe, Cr, Mn, Co, Cu) is observed to increase the efficiency of destruction.