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, 423648, C01B 621

Patent

active

040027260

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 methyl borate intermediate to complete the recycle scheme.

REFERENCES:
patent: 2970114 (1961-01-01), Bragdon
patent: 3151930 (1964-10-01), Bragdon et al.
patent: 3405068 (1968-10-01), Hiltz
patent: 3515522 (1970-06-01), Pecak et al.
Adams, Boron, Metallo-Boron Compound and Boranes; Interscience Publishers; N.Y., 1964; pp. 382-384.

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