Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Including heat exchanger for reaction chamber or reactants...
Patent
1993-06-02
1995-01-17
Jones, W. Gary
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Including heat exchanger for reaction chamber or reactants...
422225, 422243, 423507, F28D 2100
Patent
active
053824237
ABSTRACT:
Fluorine is recovered as calcium fluoride from a fluoroetchant solution composed mainly of hydrogen fluoride and ammonium fluoride using a sealed reaction tank equipped with a supply port for adding the fluoroetchant solution to the tank, a supply port for adding calcium carbonate to the tank, a vapor supply port for adding steam to heat the solution in the tank, an air supply port for providing air to aerate the contents of the tank, a stirrer for stirring the contents of the tank, an ejector for removing vapors from the tank connected to the tank via a mist separator for separating mist from the vapors being removed from the tank, and an exhaust port for removing calcium fluoride from the tank.
REFERENCES:
patent: 1138201 (1915-05-01), Ellis
patent: 3994164 (1976-11-01), Regenass et al.
patent: 4402860 (1983-09-01), Meis et al.
patent: 4690802 (1987-09-01), Jenkinson
patent: 4892707 (1990-01-01), Stockton et al.
patent: 4996029 (1991-02-01), Martin et al.
patent: 5035867 (1991-07-01), Dang Vu et al.
patent: 5180512 (1993-01-01), Nakatani et al.
Eto Yoshihiro
Fukutome Toshiro
Harada Hiroyuki
Maeno Matagoro
Miki Nobuhiro
Collins Laura E.
Hitachi Plant Engineering & Construction Co. Ltd.
Jones W. Gary
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