Chemistry of inorganic compounds – Sulfur or compound thereof – Oxygen containing
Patent
1973-05-29
1977-01-04
Vertiz, Oscar R.
Chemistry of inorganic compounds
Sulfur or compound thereof
Oxygen containing
423242, 423244, C01D 500, C01B 1760
Patent
active
040013847
ABSTRACT:
A process for the recovery of oxides of sulfur from combustion waste gases, which comprises cooling said waste gases and forming entrained particles of sodium compounds, consisting essentially of sodium carbonate, by spray contact with sodium hydroxide or sodium carbonate, converting sodium carbonate in the particles to sodium sulfate by passing said oxides of sulphur containing waste gases and said sodium compound particles over plate-like packings, whereby said particles are comminuted to a finer particle size form so as to enhance the reaction of said sulfate particles with the oxides of sulfur in said waste gases, collecting entrained particles of said sodium compounds in a dust collector.
REFERENCES:
patent: 2813000 (1957-11-01), Quittenton
patent: 2843217 (1958-07-01), Linde
patent: 3745751 (1973-07-01), Zey et al.
patent: 3781407 (1973-12-01), Kamijo et al.
Perry: Chemical Engineers' Handbook, Third Edition, McGraw-Hill Book Company, Inc., New York, 1950, pp. 1016, 1021, 1022, 1025, and 1029-1030.
Fujii Hisashi
Hashimoto Yoshihiro
Iwakura Junji
Ono Shigeo
Sato Kimihiko
Asahi Glass Co. Ltd.
Straub Gary P.
Vertiz Oscar R.
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