Dupont-mitsui Fluorochemicals Company, Ltd.

Akito Kurosaki

Susumu Okazaki

A process for the catalytic decomposition of chlorofluoro-alkanes commonly named as 'flons' into harmless substances against destructing ozone layer of the stratosphere by using the catalyst comprising alumina or alumina -silica complexed oxide, wherein the range of Al/(Al+Si)atomic ratio is 1.0 to 0.5, in the presence of steam at the temperature of 350.degree. to 1.000.degree. C.

Process for the catalyic decomposition of chlorofluoro-alkanes

A process for the catalytic decomposition of chlorofluoro-alkanes commonly named as 'flons' into harmless substances against destructing ozone layer of the stratosphere by using the catalyst comprising iron oxide supported on active carbon at the temperature more than 300.degree. C. in the presence of steam.

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Mito, Japan

Akito Kurosaki