Investigation and Comparison of the Enrichment Potential of Turkey (Şenkaya, Erzurum) Coals with Knelson Concentrator

Table 11

Enrichment concentration values of Sample-C2 coal with Knelson method (−1+0.5 mm).

Rotational speed	Test product	Weight (%)	Ash (%)	Yield (%)	Sulfur (%)
14 G (398 rpm)	Concentrate	56.38	36.98	41.62	1.54
	Waste	43.62	67.05	58.38	1.71
	Feed sample	100	49.20	100	1.63
24 G (530 rpm)	Concentrate	48.31	37.95	37.41	1.50
	Waste	51.69	59.35	62.59
	Feed sample	100	49.20	100	1.63
40 G (685 rpm)	Concentrate	46.69	37.96	35.27	1.57
	Waste	53.31	61.02	64.73
	Feed sample	100	49.20	100	1.63
60 G (839 rpm)	Concentrate	37.92	35.46	28.72	1.55
	Waste	62.08	53.76	71.28
	Feed sample	100	49.20	100	1.63

Feeds in the experiments are 130 g each.