MAGNESIUM REFINING APPARATUS AND MAGNESIUM REFINING METHOD
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United States of America Patent
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app pub date -
Jul 9, 2015
filing date -
Jan 9, 2013
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Abstract
A magnesium refining apparatus includes: a container that contains sample containing a magnesium compound; and a light concentrating device that concentrates sunlight to irradiate the container in order to heat an interior of the container to a predetermined temperature, wherein: the container has a reaction unit that is heated to the predetermined temperature by the light concentrating device to generate magnesium vapor from the sample with a thermal reduction reaction; and the light concentrating device is constructed of Cassegrain optical system having a first mirror surface constituted by a concave mirror and a second mirror surface constituted by a convex mirror, and concentrates reflected light of the sunlight on a surface of the sample in the container by guiding the sunlight reflected at the first mirror surface to the second mirror surface and then by reflecting the reflected sunlight guided from the first mirror surface at the second mirror surface.
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