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Dissolution of carbon steel scrap in hydrochloric acid
Author(s) -
Rigg Tyson
Publication year - 1968
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450460410
Subject(s) - hydrochloric acid , dissolution , scrap , carbon steel , ferrous , activation energy , carbon fibers , chemistry , chloride , metallurgy , inorganic chemistry , materials science , nuclear chemistry , corrosion , organic chemistry , composite material , composite number
The 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 equation R = k ([HCl] + 0.58 [FeCl 2 ) 0.45 where 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.