Rare earth, rare earth salts such as nitrates, chlorides, oxalates, acetates, hydrates, or carbonates as well as rare earth solutions, vanadium chemicals, rare earth oxides, mixed oxides, refractory metal oxides, zirconium oxides and zirconium chemicals, mixed compounds.
• Three-way catalytic converters (TWC)
• Diesel particulate filters (DPF) and diesel oxidation catalysts (DOC)
• Stationary and mobile NOx removal by means of SCR (selective catalytic reduction)
• Oxidation catalysts for volatile organic compounds (VOC)
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