Method for producing high purity germane by a continuous or semi-continuous process
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United States of America Patent
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Nov 3, 2015
Grant Date -
Jun 11, 2015
app pub date -
Nov 13, 2014
filing date -
Dec 6, 2013
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Abstract
A continuous or semi-continuous process for producing a high purity germane includes (a) preparing a reaction mixture containing hydrogen and crude germane and (b) separating the hydrogen from the crude germane by a pressure swing adsorption process. The pressure swing adsorption process results in a hydrogen-rich product stream and a germane-rich product stream. The method further includes (c) purifying the germane-rich product stream by continuous distillation thereof to remove impurities therefrom and to produce a high purity germane containing less than 0.1 volume percent of impurities.
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