PROCESS FOR PREPARING SULFURIC ACID FROM SULFUR DIOXIDE- CONTAINING WASTE GASES Russian patent published in 1994 - IPC

Abstract RU 2019498 C1

FIELD: non-ferrous metallurgy. SUBSTANCE: sulfuric acid is prepared from waste gases containing sulfur dioxide, O₂ and moisture by converting sulfur dioxide to sulfuric acid via passing waste gases through plasma zone that is generated by pulsed linearly-stabilized surface discharge, with duration of discharge current pulse being of 1-100 mcs. Specific energy applied to pulsed discharge is of 10³-10⁵ J per m of interelectrode space. EFFECT: increased sulfur dioxide conversion. 1 dwg, 1 tbl

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RU 2 019 498 C1

Authors

Nagibin V.D.

Grishin Ju.М.

Кutyrev М.V.

Кozlov N.Р.

Кamrukov А.S.

Shevaleva S.L.

Dates

1994-09-15—Published

1992-06-10—Filed