Process for preparation of granules of low-melting-point metals

Details Process for preparation of granules of low-melting-point metals Process for preparation of granules of low-melting-point metals

B - Operations, Transporting

22

F

18/500.3

B22F 9/08 (2006.01) B01J 2/06 (2006.01)

Patent

CA 1132315

ABSTRACT OF THE DISCLOSURE A process for the preparation of granules of low-melting- point metals which comprises spouting a melt of a low-melting- point metal having a temperature higher by 20 to 150 degrees centigrade than the melting point of said metal in the form of fine streams in a gas phase under melt fracture-causing conditions and introducing the fine streams of the molten metal into a collecting liquid phase maintained at a temperature of at least 90 degrees centigrade so that the speed of the molten metal fine streams just above the liquid face is to 50 to 300 cm/sec and at such a speed that the fine streams of the molten metal are rectified to a plurality of substantially spherical drops. The inventive process provides granules having a substantially spherical shape which are uniform in the size and which can be prepared very easily at high efficiency.

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