Method of concentrating sulfuric acid using a boiler of improved

Chemistry of inorganic compounds – Sulfur or compound thereof – Oxygen containing

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23261, 75123CB, 75125, 148 35, C22C 3710

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active

040326225

ABSTRACT:
When distilling or boiling concentrated sulfuric acid in a vessel of gray cast iron the corrosion resistance of the apparatus is improved by using an alloy containing from

REFERENCES:
patent: 1729386 (1929-09-01), Hilton
patent: 1729387 (1929-09-01), Hilton
patent: 2035393 (1936-03-01), McCarroll et al.
patent: 2132276 (1938-10-01), Spalding
patent: 2208544 (1940-07-01), Lorig
patent: 2354055 (1944-07-01), Powers
patent: 2485761 (1949-10-01), Millis
patent: 3972987 (1976-08-01), VON Plessen et al.
Metals Handbook, 8th Ed. vol. 1, pp. 349, 360, 361, 1948.

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