Effect of Microwave Pretreatment on Grindability of Lead-Zinc Ore

Table 1

Main chemical composition of lead-zinc ore.

Component	Pb	Zn	S	Fe	Si	O	Ca	C	Cu
Content (%)	4.80	2.90	30.29	18.68	17.98	19.32	2.03	1.42	0.30
Component	P	F	As	Al	Ba	K	Mg	Na
Content (%)	0.31	0.05	0.17	0.81	0.06	0.40	0.31	0.18