Reaction method and reactor therefor

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Ammonia synthesizer

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422190, 422192, 422195, 422201, 422216, 422218, 422220, 423359, B01J 802, F28D 700

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active

045942277

ABSTRACT:
An apparatus for carrying out a catalytic chemical reaction in the presence of a granular catalyst under conditions such that both the reactants and the reaction product are gaseous at the temperature and pressure of the reaction. According to the present invention, a vertically extending, annular, intercylinder space, defined between a cylindrical outer catalyst retainer and a cylinder inner catalyst retainer, is divided by radially extending vertical partition walls into a plurality of chambers. Heat-exchanging tubes are disposed vertically in at least one of the chambers. A granular catalyst is packed in at least two of said chambers to form at least two reaction chambers. A feed gas is caused to flow successively and in radial directions through these reaction chambers. Since the invention reactor achieves an improved linear gas flow velocity and a greater overall heat-transfer coefficient, the reactor of the invention requires fewer heat-exchanging tubes and can thus be made smaller. The optimum temperature distribution for the reaction can be attained in each reaction chamber.

REFERENCES:
patent: 2715570 (1955-08-01), King
patent: 2835560 (1958-05-01), Bason et al.
patent: 3249405 (1966-05-01), Waddill
patent: 3754078 (1973-08-01), Hinrichs et al.
patent: 3898049 (1975-08-01), Burroughs et al.
patent: 4321234 (1982-03-01), Ohsaki et al.
patent: 4346060 (1982-08-01), Eagle et al.
patent: 4421723 (1983-12-01), Farnham

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