Gold Ore Processing Plant

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Gold Ore Processing Plant

Author: dajiaTime: 2016/07/26

I: Name: Gold Chemical Symbol:Au
II: The state of gold ore in the nature

Gold-bearing mineral have 98 species, 47 kinds of common, direct industrial value about 10 kinds,the form of generally divided into three categories, gold ore (Mountain gold mine, endogenous gold) and gold placer (alluvial, alluvial, beach type, slope deposits type and exogenous gold), and Associated gold (recovery from the non-ferrous minerals )

III: Technology: Flotation, Gravity Concentration, Amalgamation, cyanide leaching, carbon immersion
IV: Sand Gold ore industry requirement

Item	opencast working
	Comprehensive mining					Segmentation mining
	Gold dredger mining
	south		north		Nozzle mining
	50-100L	150-300L	50-100L	150-300L	Nozzle mining
Cut-off grade g/m3	0.05-0.07	0.04-0.06	0.06-0.08	0.05-0.07	0.1	0.3-0.5
Minimum industrial grade g/m3	0.16-0.18	0.14-0.16	0.18-0.20	0.16-0.18	0.3	0.6-1
The rock eliminate thickness（m）	30-35	40-60	30-35	40-60

Placer underground mining: Cut-off grade: 1 g/m3,Minimum industrial grade: ：3 g/m3
Rock Gold Ore industry requirement: Cut-off grade: 1-2g/t; Minimum industrial grade: 3 g/m3

V: Quality standard of Fine Powder

Deposit type	Grade	Au≥ g/t	impurity％≤
Deposit type	Grade	Au≥ g/t	As
Single metal mines	super fines	160	0.1
	first grade	140	0.1
	second grade	120	0.2
	third grade	100	0.2
	fourth grade	80	0.3
	fifth grade	70	0.3
Poly-metallic mine	super fines	100	0.1
	first grade	80	0.2
	second grade	60	0.3
	third grade	40	0.3
	fourth grade	30	0.3
Gold Ore		Au≥g/t	SiO2≥％

	first grade	30	70
	second grade	20	65
	third grade	10	65

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