α-AlF3·3H20 were prepared in low temperature using Al and HF.β-AlF3 was prepared by heating α-AlF3·3H20. The fluorination catalyst were characterized by XRD. Activity of fluorination catalyst were evaluat...α-AlF3·3H20 were prepared in low temperature using Al and HF.β-AlF3 was prepared by heating α-AlF3·3H20. The fluorination catalyst were characterized by XRD. Activity of fluorination catalyst were evaluated by fluoro-chloro exchange reaction. The AlF3 catalyst shows better fluorination activity.展开更多
文摘α-AlF3·3H20 were prepared in low temperature using Al and HF.β-AlF3 was prepared by heating α-AlF3·3H20. The fluorination catalyst were characterized by XRD. Activity of fluorination catalyst were evaluated by fluoro-chloro exchange reaction. The AlF3 catalyst shows better fluorination activity.
