FIELD: environmental safety. SUBSTANCE: neutralizer contains porous carrier, consisting of zirconium dioxide-metal oxide mixture, and catalytically active layer. According to invention, carrier has zirconium dioxide internal layer and intermediate layer consisting of zirconium dioxide (75-80 wt %) and nickel oxide (25-20 wt %). Active layer contains, wt %: cupric oxide, 26-29; chromium oxide, 4-11; cerium dioxide, 10-13; cobalt oxide, 30-25; nickel oxide, 30-22. EFFECT: increased reliability and life time.
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