Author:Savage, WHDDate:1961In the progress report for the period October 1960 to February 1961 (FRI Technical memo 2/1961) certain phosphorus contents of Waterberg coal samples were reported. It was decided that further investigations be undertaken, with particular ...Read more
Author:Van der Walt, PJDate:1952A detailed study was made of the various tine coal cleaning processes and it was finally concluded that the cyclone washer was the only known process which showed promise of solving the formidable washing problem.Read more
Author:Van der Walt, PJDate:1950Although the union of South Africa possesses reasonably large reserves of coal of various qualities, the reserves of coking coal are comparatively small and are being exhausted at an alarming rate. The proven reserves of coking coal are ...Read more