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Production of high-purity magnesia

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Published: Monday, 22 April 2013

The spray roaster process (pictured) was originally developed by J. Aman in 1958 for the decomposition (pyrohydrolysis) of MgCl2 brines. Consequently, it is also well known as the Aman Process. However, its most common application is the regeneration of spent hydrochloric pickle liquors in the steel industry.

By Heinz Krivanec*

The spray roaster process (pictured) was originally developed by J. Aman in 1958 for the decomposition (pyrohydrolysis) of MgCl2 brines. Consequently, it is also well known as the Aman Process. However, its most common application is the regeneration of spent hydrochloric pickle liquors in the steel industry....

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