Table 8 Detox plant operating items.

From: Thiosulfate leaching in carbonaceous gold-bearing ores in Ethiopia

Item no

Spare part replacements

Costs per annum (Birr)

1

Electrical parts (breakers, contactors, cables etc.)

200,000.00

2

Pump parts

300,000.00

3

Pipes and Valve replacements

250,000.00

4

Tank spare parts (gearbox and others)

200,000.00

 

Total

950,000.00

Item no

Running items and utilities

Costs per annum (Birr)

1

Consumables for Cyanide titration & pH determination

54,750.00

2

Power consumption for:

 

2.1

Mixing tank agitator at 11KW capacity working for 24 h per day

57,816.00

2.2

Transfer pump at 11KW capacity working for 24 h per month

1900.80

2.3

Dozing pump at 10KW capacity working for 20 h per day

43,800.00

3

Man power (four operators with 6000 Birr monthly salary each)

288,000.00

 

Total

446,266.80