Continuous recovery of sulfur oxide from flue gas

Details Continuous recovery of sulfur oxide from flue gas Continuous recovery of sulfur oxide from flue gas

1986-09-10

1987-12-01

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423522, 423539, 71 37, 71 40, B15, C01B 1700, C01B 1748, C05B 1104

Patent

active

047103647

ABSTRACT:
A process for removing sulfur dioxide from flue gas is disclosed. After passing through a precipitator to remove particulate material, the flue gas is conducted continuously through a fixed bed solid-gas contacting device containing activated carbon or natural zeolite. The bed is regenerated continuously, thereby producing sulfuric acid which may be mixed with ground phosphate rock to produce normal superphosphate, or other by-products.

REFERENCES:
patent: 3363401 (1968-01-01), Jean-Pierre et al.
patent: 3391996 (1968-07-01), Van Dijk et al.
patent: 3519387 (1970-07-01), Henderson
patent: 3907970 (1975-09-01), Boening
patent: 4073634 (1978-02-01), Pircon et al.
patent: 4122150 (1978-10-01), Hori et al.
patent: 4522726 (1985-06-01), Berry et al.

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