Chemistry: electrical and wave energy – Processes and products
Patent
1989-03-20
1991-03-12
Valentine, Donald R.
Chemistry: electrical and wave energy
Processes and products
204 70, 204237, 204245, 210738, 210801, C25C 304, C25C 302, C25C 324
Patent
active
049990926
ABSTRACT:
The invention provides a method of transporting a liquid A past or around a barrier, by adding a solute S to liquid A on one side of the barrier and correspondingly removing solute S from liquid A on the other side of the barrier, the solute S being such as to change the density of the liquid A when dissolving in it, thereby providing a motive force for its motion around the barrier. An example of the application of the invention is in a two-part electrolytic cell (1) comprising electrowinning and electrofining half cells (2 and 3, respectively), wherein the metal, solute S, is electrowon into a liquid (16,16a), liquid A, on one side of the cell's common electrode (4), the barrier, in the electrowinning half cell (2), and electrolytically removed from the liquid (17,17a) on the other side of the common electrode (4), in the electrorefining half cell (3).
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Landingham, Jr. L. S. Van
Metallurg, Inc.
Valentine Donald R.
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