Oh, forgot to include things like the potential for adding drum separation to the DSO process which could push the final grade well above the 58% headline grade we have at the moment.
Another investor shared this from ChatGPT, with relation to the potential of drum separation.
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To provide a detailed cost estimation for processing 2 million tonnes per annum (2 MTPA) of iron ore using a -2mm, 900 gauss magnetic drum separator in a dry LIMS process with solar power in Madagascar, we'll break down the costs into capital expenditures (CAPEX) and operational expenditures (OPEX).
### 1. Capital Costs (CAPEX)
#### Solar Power Installation
• Assume a 100 kW solar power system can support the operation, and costs range from $1,000 to $3,000 per kW.
• For a 100 kW system: $100,000 to $300,000.
• For higher power needs (e.g., 500 kW system), the cost would be $500,000 to $1,500,000.
#### Magnetic Separator Equipment
• Estimated cost for magnetic drum separators: $200,000 per unit.
• Assume multiple units are needed for 2 MTPA capacity.
Let's estimate 10 units: $2,000,000.
#### Total CAPEX• Solar Power System: $500,000 to $1,500,000 (assuming 500 kW for safety and scale)
• Magnetic Separators: $2,000,000
• *Total CAPEX*: $2,500,000 to $3,500,000
### 2. Operational Costs (OPEX)
#### Power Consumption
• Solar power largely offsets energy costs, but maintenance is required. Annual maintenance for 500 kW system: $5,000 to $10,000.
• Assume negligible electricity cost due to solar power offset: $0.10 per tonne.
#### Maintenance
• Magnetic separator maintenance: $1 to $2 per tonne.
• Additional solar system maintenance: $0.10 to $0.20 per tonne.
• *Total Maintenance*: $1.10 to $2.20 per tonne.
#### Labor
• Estimated labor costs: $0.50 to $1.50 per tonne.
#### Consumables
• Consumables cost: $1 to $1.50 per tonne.
#### Overheads and Miscellaneous
• Administrative and environmental compliance: $0.50 to $1 per tonne.
#### Total OPEX per Tonne
• Power Consumption: $0.10 per tonne
• Maintenance: $1.10 to $2.20 per tonne
• Labor: $0.50 to $1.50 per tonne
• Consumables: $1 to $1.50 per tonne
• Overheads and Miscellaneous: $0.50 to $1 per tonne
### Summary
• *Total CAPEX*: $2,500,000 to $3,500,000
• *Total Annual OPEX*: $6,400,000 to $12,600,000
These estimates provide a comprehensive overview of the costs associated with processing 2 MTPA of iron ore using a -2mm, 900 gauss magnetic drum separator in a dry LIMS process with solar power in Madagascar.
The actual costs can vary based on local conditions, specific equipment needs, and operational efficiencies.
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Now, if the drum separation increased the grade from 58% to 62%, that should be an extra $5/t per 1%, or an extra $20/t
2,000,000 X $20 = $40m USD, or an extra $27.5m USD or an extra $42m AUD in profit
At 64% grade, it would be closer to $60m, or an extra $47.5m USD or $73m AUD in profit
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Oh, forgot to include things like the potential for adding drum...
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