| International PGM Technologies Patent applications |
| Patent application number | Title | Published |
|---|
| 20100206135 | RECYCLING OF SOLIDS IN OXIDATIVE PRESSURE LEACHING OF METALS USING HALIDE IONS - The invention provides a recycling step in an oxidative pressure leaching process for recovery of metals using halide ions, in which a portion of the leached solids are recycled back to the feed to the autoclave, to allow two or more passes through the high temperature leaching step. | 08-19-2010 |
| 20100018351 | RECYCLING OF SOLIDS IN OXIDATIVE PRESSURE LEACHING OF METALS USING HALIDE IONS - The invention provides a recycling step in an oxidative pressure leaching process for recovery of metals using halide ions, in which a portion of the leached solids are recycled back to the feed to the autoclave, to allow two or more passes through the high temperature leaching step. | 01-28-2010 |
