Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Including heat exchanger for reaction chamber or reactants...
Patent
1981-03-27
1982-12-07
Garris, Bradley
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Including heat exchanger for reaction chamber or reactants...
422206, 422209, B01J 400, B01J 810, B01J 1928
Patent
active
043627013
ABSTRACT:
A process for extracting hydrogen fluoride from fluorine containing materials includes countercurrently contacting the materials with steam having a plane of rotation relatively perpendicular to the direction of flow of the material. An apparatus for the extraction of hydrogen fluoride from fluorine containing materials includes a rotary kiln having a first zone wherein a steam-air mixture countercurrently contacts the materials in an oxidation step, a second zone wherein an oxygen containing gas is tangentially injected into the kiln to provide complete combustion of carbon containing materials, a third zone wherein a steam stream countercurrently contacts the materials in a reducing step and means for providing a plane of rotation to the steam which is relatively perpendicular to the direction of flow of the material.
REFERENCES:
patent: 2007121 (1935-07-01), Johannsen
patent: 2187922 (1940-01-01), West et al.
patent: 3105744 (1963-10-01), Luethge
patent: 3241917 (1966-03-01), Lapple
patent: 3580554 (1971-05-01), Bushvev et al.
patent: 4052151 (1977-10-01), Reichrt et al.
patent: 4053365 (1977-10-01), Welter
Bings Hubert
Kruger Jorg
Losert Herbert
Moritz Dieter
Thome Roland
Garris Bradley
Vereinigte Aluminium-Werke Aktiengesellschaft
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