Method of recycling lithium borate to lithium borohydride throug

Chemistry of inorganic compounds – Boron or compound thereof – Hydrogen and metal or ammonium containing

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423288, 423657, C01B 103, C01B 621

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active

039937321

ABSTRACT:
This invention provides a method for the recycling of lithium borate to lithium borohydride which can be reacted with water to generate hydrogen for utilization as a fuel. The lithium borate by-product of the hydrogen generation reaction is reacted with hydrogen chloride and water to produce boric acid and lithium chloride. The boric acid and lithium chloride are converted to lithium borohydride through a diborane intermediate to complete the recycle scheme.

REFERENCES:
patent: 2974015 (1961-03-01), Peterson
patent: 3405068 (1968-10-01), Hiltz
patent: 3473899 (1969-10-01), Cooper
Adams; Boron Metallo-Boron Compounds and Boranes; Interscience Publishers; N.Y., 1964; pp. 382-384.

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