Characterization and Beneficiation of an Egyptian Nepheline Syenite Ore

Table 7

Effect of collector dose (Cyanamid) on the flotation response of Abu Khruq nepheline syenite ore. The feed size is −0.125 micron.

Collector dose,; kg/t	Product	Product Wt.,; %	Assay,; Fe2O3 %	Distribution,; Fe2O3 %
	Froth	22.3	18.2	64.3
0.5	Bulk	77.7	2.9	35.7
	Total	100	6.34	100
	Froth	25.1	20.3	80.0
1	Bulk	74.9	1.7	20
	Total	100	6.37	100
	Froth	27.4	20.8	87.7
2	Bulk	72.6	1.1	12.3
	Total	100	6.5	100
	Froth	31.5	19.1	92.6
3	Bulk	68.5	0.7	7.4
	Total	100	6.5	100

pH value: 4; Solids in slurry: 20%.