Start-up and Improvements of the New Electrolysis Plant …
229
Table 4 Improvement effect
amount by the new No. 3
electrowinning plant
Items
Annual improvement amount
(US$)
Labor cost
2,280,000
Nighttime power rate
(87–95%) 1,000,000
Electric power consumption
rate
(3110–3014 kWh/t) 290,000
Repair and equipment
renewal costs
1,630,000
Other improvements
580,000
Total amount
5,780,000
in a reduction of about $ 1 million. In addition, the effect of the automated peeling
work saved the labor cost significantly.
Labor costs, repair and renewal costs, and nighttime power rate were particularly effective, improving about $ 5 million per annum. As of 2019, the new No.
3 electrowinning plant is operating smoothly. However, the business environment
is changing rapidly with a focus on the power situation. We will continue to make
further cost improvements.
229
Table 4 Improvement effect
amount by the new No. 3
electrowinning plant
Items
Annual improvement amount
(US$)
Labor cost
2,280,000
Nighttime power rate
(87–95%) 1,000,000
Electric power consumption
rate
(3110–3014 kWh/t) 290,000
Repair and equipment
renewal costs
1,630,000
Other improvements
580,000
Total amount
5,780,000
in a reduction of about $ 1 million. In addition, the effect of the automated peeling
work saved the labor cost significantly.
Labor costs, repair and renewal costs, and nighttime power rate were particularly effective, improving about $ 5 million per annum. As of 2019, the new No.
3 electrowinning plant is operating smoothly. However, the business environment
is changing rapidly with a focus on the power situation. We will continue to make
further cost improvements.