
CHAPTER 3 : BENCH-SCALE TRIBOELECTROSTATIC …
The triboelectrostatic separation (TES) process had been tested successfully on bench-scale. The results obtained at FETC showed that it was capable of cleaning the coal of more than 90% of pyritic sulfur and 70% of the ash-forming minerals from a number of eastern U.S. coals. It was necessary however, to test the process on a proof-