A PROCESS FOR PRODUCING A CATALYST COMPRISING AN INTERMETALLIC COMPOUND AND A CATALYST PRODUCED BY THE PROCESS
First Claim
1. A process for producing a catalyst comprising an intermetallic compound, the process comprising following steps:
- (a) Dissolving a metal selected from the group consisting of Li, Na, Ca, Sr, Ba, Eu and Yb in liquid ammonia,(b) Adding nanoparticles comprising a metal selected from the group consisting of Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au and Ru or a halide of at least one of these metals and an inorganic salt to the solution obtained in step (a),(c) Removing the liquid ammonia,(d) Annealing the mixture of step (c) at a temperature in the range between 200°
C. and the melting temperature of the intermetallic compound wherein the intermetallic compound is formed, and(e) Washing the intermetallic compound achieved in step (d).
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Abstract
The invention relates to a process for producing a catalyst comprising an intermetallic compound comprising following steps: (a) Dissolving a metal selected from the group consisting of Li, Na, Ca, Sr, Ba, Eu and Yb in liquid ammonia, (b) Adding nanoparticles comprising a metal selected from the group consisting of Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au and Ru or a halide of at least one of these metals and an inorganic salt to the solution obtained in step (a), (c) Removing the liquid ammonia, (d) Annealing the mixture of step (c) at a temperature in the range between 200° C. and the melting temperature of the intermetallic compound wherein the intermetallic compound is formed, (e) Washing the intermetallic compound achieved in step (d). The invention further relates to a catalyst obtained by the process.
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Citations
15 Claims
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1. A process for producing a catalyst comprising an intermetallic compound, the process comprising following steps:
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(a) Dissolving a metal selected from the group consisting of Li, Na, Ca, Sr, Ba, Eu and Yb in liquid ammonia, (b) Adding nanoparticles comprising a metal selected from the group consisting of Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au and Ru or a halide of at least one of these metals and an inorganic salt to the solution obtained in step (a), (c) Removing the liquid ammonia, (d) Annealing the mixture of step (c) at a temperature in the range between 200°
C. and the melting temperature of the intermetallic compound wherein the intermetallic compound is formed, and(e) Washing the intermetallic compound achieved in step (d). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification