Contact sulfuric acid process employing double conversion/double

Details Contact sulfuric acid process employing double conversion/double Contact sulfuric acid process employing double conversion/double

1977-02-25

1978-05-09

Vertiz, O. R.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

423533, C01B 1772, C01B 1768

Patent

active

040887421

ABSTRACT:
Improvement in the contact sulfuric acid process employing double conversion, double absorption using a cold, sulfur dioxide-containing feed gas stream obtained from a wet gas purification plant, which involves by-passing a portion of the cold feed gas stream around the primary conversion and intermediate absorption sections, and introducing it directly into the secondary conversion section, results in energy savings by reducing amount of power required to transport the gas through the plant, and by increasing the amount of recoverable heat of reaction from the secondary conversion section.

REFERENCES:
patent: 3350169 (1967-10-01), Rinckhoff
patent: 3443896 (1969-05-01), Furkert et al.
patent: 3525586 (1970-08-01), Dreclsel et al.
patent: 3653828 (1972-04-01), Conner et al.
Tucker et al., SO.sub.2 Emission Control from Acid Plants, Chemical Engineering Progress, vol. 67, #5, May 1971, pp. 57-63.

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