Desulfurization of phosphogypsum

Details Desulfurization of phosphogypsum Desulfurization of phosphogypsum

1983-02-14

1985-03-05

Straub, Gary P.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

423178, 423542, 423638, 432 72, C01B 1750, C01F 1108

Patent

active

045030189

ABSTRACT:
Phosphogypsum is mixed with fine coal, balled, and charged to a travelling grate where the charge is heated under reducing conditions to evolve sulfur and/or sulfur dioxide for conversion into sulfuric acid.

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