Process for the preparation of sulphur dioxide

Details Process for the preparation of sulphur dioxide Process for the preparation of sulphur dioxide

1987-09-15

1989-04-25

Straub, Gary P.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

423531, 423539, 423542, C01B 1750, C01B 1752, C01B 1790

Patent

active

048246557

ABSTRACT:
A process for the preparation of sulphur dioxide by the thermal decomposition of metal sulphates in a fluidized bed reactor with sulphur-containing reducing agents and energy suppliers, characterized in that a mixture comprising the metal sulphates, the sulphur-containing reducing agents and 75 to 99% of the energy suppliers is fed into the fluidized bed reactors and the remainder of the energy suppliers is introduced separately into the fluidized layer of the fluidized bed reactor.

REFERENCES:
patent: 2039645 (1936-05-01), Hechenbleikner
patent: 2209331 (1940-07-01), Haglund
patent: 2789034 (1957-04-01), Swaine et al.
patent: 3454360 (1969-07-01), Detweiler

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