The 150m3/h nanofiltration system saves $18 million in annual cost, and recovers the original investment cost of the membrane by saving production costs and increasing metal production within 8 months.
The membranes are for copper production
(The following data is based on the assumption that the concentration of 15% mixed acid solution and acid price is $100/ton.)
Cost Calculation
| Fixed capital investment | $8,400,000 |
| Membrane procurement | $1,600,000 |
| Operation cost (annually) | $1,300,000 |
| Total cost | $11,300,000 |
Cost Savings (annually)
| Save the cost of acid procurement | $9,500,000 |
| Membrane procurement | $4,400,000 |
| Other cost savings | $4,100,000 |
| Total cost saved per year | $18,000,000 |
The 150m3/h nanofiltration system saves $18 million in annual cost, and recovers the original investment cost of the membrane by saving production costs and increasing metal production within 8 months.
Project Application: A hydrometallurgical copper mine in Africa
Capacity: 150m3/h
Annual cost savings: $18 million
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