Method for the solid synthesis of ferrates of alkaline or...

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

Reexamination Certificate

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Reexamination Certificate

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10111158

ABSTRACT:
A process for the synthesis of ferrates of alkali metals or alkaline earth metals using a solid route reacts an iron salt and a hydroxide of alkali metals or alkaline earth metals in the presence of chlorine gas provided in the form of a (Cl2+air) mixture comprising not more than 10% of chlorine by volume. Also the ferrates thus obtained.

REFERENCES:
patent: 4405573 (1983-09-01), Deininger et al.
patent: 5284642 (1994-02-01), Evrard et al.
patent: 5370857 (1994-12-01), Deininger
patent: 5746994 (1998-05-01), Johnson
patent: 0354843 (1990-02-01), None
patent: 0504156 (1992-09-01), None
Chemical Abstracts, vol. 132, No. 16—Published: Apr. 17, 2000 (Abstract No. 209831, citing Neveux: “Synthesis of Stabilized Potassium Ferrate”).
Neveux, N., et al., “Synthesis of Stabilized Potassium Ferrate”, REWAS '99—Global Symp. Recycl., Waste Treat. Clean Tech. Proc., vol. 3, pp. 2417 to 2427 (1999).

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