Process for the disposal of the residue of the exhaust gas washe

Details Process for the disposal of the residue of the exhaust gas washe Process for the disposal of the residue of the exhaust gas washe

1977-01-27

1979-01-30

Stein, Mervin

Hydraulic and earth engineering

Earth treatment or control

Chemical

249 11, 405263, 423555, E02D 314, E21F 1500

Patent

active

041369980

ABSTRACT:
A process for disposing of the residue of exhaust gas washers by utilizing them as a structural material in mines. The sulfur in the exhaust gases is reacted with calcium compounds to form CaSO.sub.4.2H.sub.2 O. The CaSO.sub.4.2H.sub.2 O is recrystallized to alpha-CaSO.sub.4.1/2H.sub.2 O, conveyed underground, mixed with water, implaced and allowed to harden to form barricades or other structures in the mine.

REFERENCES:
patent: 3410655 (1968-04-01), Rotter et al.
patent: 3574648 (1971-04-01), Wirsching
patent: 3582376 (1971-06-01), Ames
patent: 3786639 (1974-01-01), Pineno et al.
patent: 3855391 (1974-12-01), Selmeczi et al.

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