Chemistry of inorganic compounds – Sulfur or compound thereof – Oxygen containing
Patent
1983-02-07
1984-12-25
Straub, Gary P.
Chemistry of inorganic compounds
Sulfur or compound thereof
Oxygen containing
423522, 423525, 423531, 423540, C01B 1798, C01B 1750, C01B 1790, C01B 1774
Patent
active
044903472
ABSTRACT:
Process for regenerating spent acid is improved by using oxygen-enriched air for combustion, recycling stack gases, and preheating spent acid and air fed to the furnace.
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E. I. Du Pont de Nemours and Company
Straub Gary P.
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