High efficiency apparatus for aerosol direct fluorination

Details High efficiency apparatus for aerosol direct fluorination High efficiency apparatus for aerosol direct fluorination

1987-08-21

1989-08-08

Castel, Benoit

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

With means applying electromagnetic wave energy or...

42218625, 422189, 252305, B01J 1908, B01J 1926

Patent

active

048551120

ABSTRACT:
An apparatus for aerosol direct fluorination is disclosed in which a material to be fluorinated is formed into an aerosol prior to fluorination by introducing a vapor stream of the material to be fluorinated centrally into converging flows of carrier particles suspended in a gas and condensing the vapor onto the particles. Fluorine is contacted with the aerosol in an elongated fluorination reactor having microporous walls providing a substantially continuous influx of fluorine-containing gas which creates an increasing fluorine concentration gradient as the aerosol moves through the reactor and provides a barrier to prevent contact of the aerosol with the microporous walls. A photochemical stage includes an elliptical reflector with a light source of one focus and a flow of aerosol and fluorine at the others.

REFERENCES:
patent: 3808147 (1974-04-01), Dymet et al.
patent: 4113435 (1978-09-01), Lagow
patent: 4281119 (1981-07-01), Lagow
patent: 4330465 (1982-05-01), Adcock
patent: 4377715 (1983-03-01), Nychka et al.
patent: 4636364 (1987-01-01), Geyer et al.
"Aerosol Direct Fluorination: A Developing Synthesis Technology and an Entry Level Mechanistic Tool", A Short Review, Authors: James L. Adcock and Myron L. Cherry, Publication: Industrial & Engineering Chemistry Research, 1987, 26,208.

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