Processes for synthesizing borohydride compounds
First Claim
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1. A process for producing borohydride compounds, which comprises:
- (A) reacting carbon dioxide and water with a metaborate compound of formula YBO2, where Y is a monovalent cationic moiety, thereby providing YHCO3 and B2O3;
(B) converting the YHCO3 into Y2O, carbon dioxide, and water;
(C) reacting the B2O3 with carbon and a halide compound of formula X2 to obtain BX3 and carbon monoxide, wherein X is selected from the group consisting of F, Cl, Br, I, and At;
(D) reacting the BX3 with hydrogen has been added to obtain B2H6; and
(E) reacting the Y2O with B2H6 to obtain YBH4 and YBO2.
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Abstract
Processes for synthesizing borohydride compounds with reduced energy requirements are disclosed.
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Citations
21 Claims
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1. A process for producing borohydride compounds, which comprises:
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(A) reacting carbon dioxide and water with a metaborate compound of formula YBO2, where Y is a monovalent cationic moiety, thereby providing YHCO3 and B2O3;
(B) converting the YHCO3 into Y2O, carbon dioxide, and water;
(C) reacting the B2O3 with carbon and a halide compound of formula X2 to obtain BX3 and carbon monoxide, wherein X is selected from the group consisting of F, Cl, Br, I, and At;
(D) reacting the BX3 with hydrogen has been added to obtain B2H6; and
(E) reacting the Y2O with B2H6 to obtain YBH4 and YBO2. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 18, 20)
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9. A process for producing borohydride compounds, which comprises:
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(A) reacting carbon dioxide and water with a metaborate compound of formula YBO2, where Y is a monovalent cationic moiety, thereby providing YHCO3 and B2O3;
(B) converting the YHCO3 into Y2CO3, carbon dioxide, and water;
(C) reacting the B2O3 with elemental carbon has been added and an X-containing compound of formula X2 to obtain BX3 and carbon monoxide, wherein X is selected from the group consisting of F, Cl, Br, I, and At;
(D) reacting the BX3 with hydrogen has been added to obtain B2H6; and
(E) reacting the Y2CO3 with B2H6 to obtain YBH4, YBO2, and carbon dioxide. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 19, 21)
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Specification