Abstract

AbstractThe dissolution of carbon steel in hydrochloric acid has been investigated from the point of view of large scale manufacture of ferrous chloride. It has been found that the rate of dissolution at 95°c. can be represented by the equationR = k ([HCl] + 0.58 [FeCl2)0.45where k varies with the physical and chemical nature of the steel. The activation energy varies with the particular experimental conditions over the range 12.0 to 18.1 K.cal/ mole. The rate of reaction is not influenced by agitation. The mechanism of the dissolution process is discussed together with practical aspects and pilot plant results.

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