Heating methods for aluminum hydride production
First Claim
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1. A process for manufacture of aluminum hydride in a reactor, the process comprising:
- creating a slurry from alane etherate, diethyl ether and toluene;
combining the slurry with a preheated toluene solution in the reactor, accomplishing initial heating of the slurry by the preheated toluene solution to a temperature of 68°
C. to 82°
C.;
applying heat to the reactor to further elevate the temperature of reactor contents; and
maintaining the temperature of the reactor to hold the reactor contents at the elevated temperature to complete a transition of alane etherate to aluminum hydride.
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Abstract
Disclosed herein are systems and methods for heating alane etherate compositions for producing microcrystalline alpha alane. An exemplary heating method comprises introducing a preheated solvent into the alane etherate composition and rapidly stirring to effectuate rapid heating of the composition without the need to heat the reactor walls. In this way, the alane etherate composition can be heated while also reducing the risk of decomposition. In further embodiments, a two-stage reactor can be employed for producing alpha alane, wherein the heating occurs in the second stage.
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15 Claims
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1. A process for manufacture of aluminum hydride in a reactor, the process comprising:
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creating a slurry from alane etherate, diethyl ether and toluene; combining the slurry with a preheated toluene solution in the reactor, accomplishing initial heating of the slurry by the preheated toluene solution to a temperature of 68°
C. to 82°
C.;applying heat to the reactor to further elevate the temperature of reactor contents; and maintaining the temperature of the reactor to hold the reactor contents at the elevated temperature to complete a transition of alane etherate to aluminum hydride. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification