1

3

35

On the Power Consumption during Natural Stone Cutting Processing by Using Block Cutters: A Model Curve for Marbles

27

A New Application of New Channel Opening Method in Natural Stone Quarries and Productivity Analysis

19M. Kemal GÖKAY

Investigation of the Effect of Chisel Tool eometry on Speci c Energy

Recent Advances in Gold Metallurgy

THE JOURNAL OF THE CHAMBER OF MINING ENGINEERS OF TURKEY

MARCH VOLUME NUMBER 2013 52 1

CONTENTS

2

3

Madencilik Cilt Say Sayfa Mart Vol No pp March

Recent Advances in Gold Metallurgy*

Yazar: Fathi Habashi**

EV RENLER EN NOT:Bu eviri ya ar n i niyle Recent Advances in Gold Metallurgy yay n ndan terc me edilmi olup ya ar n tavsiyesi erine Gold History Metallurgy and Culture kitab ndan ba b l mler ilave edilerek g ncellenmi tir

******************** niversitesi

2+ + 2e

2+ +2e

2+ 2+

3 2 2

bilir:

Au3+ 3+

i.

ii.

2 + 2H2

2 2

2 2

2

5

•

•

•

2 + H2 2 2

+

+ + e

Au+2

2 + 2H2

2 + H2 2

manyetit de bu minerallere ilave edilebilir. Gü

Na+, K+3

2+

2]

2 + H2

2 2

2+

3 2

Fe2+ 2+, Zn2+, Ni2+, Mn2+ 2+ ve Ba2+

2+

2+

2+

2 + S

2 2 + H2 3

2S 2 + H2 2 3

S + H2

2HS 2 2 + H2

+ S

S 2 + H2

Gang mineralleri üzerine adsorpsiyon

Sülfürler

Peroksitler

2

2 + H2 2 2 + 2H2

2

2

Oksitler

mektedir:

3

35

2] 2] + 2Au

*

*

mazlar.

10

dirler.

*

2 + H2 2 2

2+ 3+

*

3+ + 2+

2 2+

Au3+ + 3e

3+ 2

2 + 12H+

bahsedilebilir:

11

*

*

2 + 2H2 2 2

2

+ veya Na+

+ 2+

3

2 de

12

H2 2

2

4.

ile bazen ince taneli malzemeler su ve az miktar

13

2

15

*

2 + H2

2

2

2 + N2 + 2H2

*

+ H+

+ H2

2

2 2

de mevcuttur.

5.