Process for removing total reduced sulfur compounds from industr

Details Process for removing total reduced sulfur compounds from industr Process for removing total reduced sulfur compounds from industr

1983-04-20

1985-11-12

Metz, Andrew H.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423230, 423242, B01D 5334

Patent

active

045527350

ABSTRACT:
A process and apparatus for removing total reduced sulfur compounds (TRS), especially H.sub.2 S and mercaptans from industrial gases is disclosed wherein an aqueous suspension of an active manganese dioxide is contacted with the industrial gas by atomizing the aqueous suspension in a spray dryer and contacting the atomized droplets with the industrial gas at a temperature sufficient to substantially completely evaporate the water in the atomized droplets. In preferred practice, the dried powder produced by the spray dry process is recovered as a particle layer in a bag filter unit through which the industrial gas is caused to flow.

REFERENCES:
patent: 2984545 (1961-05-01), Tarbutton et al.
patent: 3150923 (1964-09-01), Bienstock et al.
patent: 3492083 (1970-01-01), Lowicki et al.
patent: 4002727 (1977-01-01), Sonoda et al.
patent: 4246242 (1981-01-01), Butler et al.
patent: 4293521 (1981-10-01), Isahaya et al.
patent: 4293524 (1981-10-01), Teller et al.
Uno et al., "Scale-Up of a SO.sub.2 Control Process", Chemical Engineering Progress, vol. 66, No. 1, Jan. 1970.

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