Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Thermal and Radiation Oxidations of Benzene to Phenol in Aqueous Solutions Containing Metal Ions at Elevated Temperatures. I. The Thermal Behavior of Iron Sulfate and Chloride in Aqueous Solutions without Benzene
Hiroshi HottaNobutake Suzuki
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1963 Volume 36 Issue 6 Pages 717-721

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Abstract

The rate of the ferrous oxidation at 150°C is 6.10×10−4sec−1 for sulfate, and 2.78×10−4sec−1 for chloride at the oxygen pressure of 30 atm. The precipitation reaction of iron species is through hydrolyzed ferric ions even in the ferrous solution. The rate of precipitation for ferric sulfate is given in Fig. 7, with the activation energy of 12.5 kcal./mol. The precipitate is amorphous at 100°C and completely α-Fe2O3 at 200°C.

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