An Investigation Into Methods Of Dressing Land Pebble Phosphate Rock With A View To Effecting A Greater Saving

INTRODUCTION:

The object of the following investigation was to inquire into the present methods of separating land pebble phosphate rock from the sand and clay matrix in which it occurs with a view to effecting a greater recovery of values or, in the event of this proving impossible or impracticable, to devise an economical chemical treatment for the tailings containing these unrecovered values such that the product would be a salable one.