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Assumptions |
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Production costs & credits/kg |
Optional retail markup (30%) |
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Furnace (kW) |
Zinc oxide processed/day |
Initial zinc charge |
Zinc used/day |
Volume (kg H2/day) |
Zinc cost/day |
Shipping cost/kg |
Dispensaries |
Amortization period start |
Amortization period end |
Amortization period start |
Amortization period end |
|
960 |
85,120 |
64,000 |
6,400 |
9,143 |
$0 |
$0.09 |
23 |
$1.48 -$1.81 ($0.33) |
$0.39 -$1.81 ($1.42) |
$1.00 |
$1.00 |
|
Copper matte sales credit Net hydrogen production cost |
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Dissociation Center Variables |
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Amortization period start |
Amortization period end |
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Solar array cost/kWH |
$2,200 |
$2,200 |
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Total solar array cost |
$2,200,000 |
— |
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Number of dissociation center furnaces |
8 |
8 |
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Furnace costs/unit |
$300,000 |
$300,000 |
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Total furnace costs |
$2,400,000 |
— |
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Storage, dispensaries, materials handling, electrowinning cell/rectifier |
$16,750,000 |
— |
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Amortization (years) |
10 |
5 |
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Amortization interest rate |
6% |
6% |
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Equipment amortization/kg/day |
$1.09 |
— |
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Zinc powder/lb. |
$6.75 |
$6.75 |
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Blackstone zinc oxide discount |
100% |
100% |
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Number of dissociation centers |
1 |
1 |
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Dissociation losses |
10% |
10% |
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Zinc oxide reuse factor |
10 |
10 |
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Ton/mile |
$4.42 |
$4.42 |
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Zinc vs. zinc oxide weight factor |
1.33 |
1.33 |
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Furnace capacity lbs/cycle |
2,000 |
2,000 |
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Furnace cycles |
4 |
4 |
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Industrial grade zinc oxide market price |
$5 |
$5 |
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Zinc/kg of hydrogen produced (lbs) |
7 |
7 |
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Zinc oxide byproduct (lbs) |
9.31 |
9.31 |
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Furnace temperature |
>1800° C |
>1800° C |
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Mileage factor |
$0.80 |
$0.80 |
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Transport days/week |
3 |
3 |
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Leases & insurance (/kg) |
$0.05 |
$0.05 |
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Physical plant lease (ft2/month) |
$0.50 |
$0.50 |
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Physical plant size (ft2) |
10,000 |
10,000 |
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Rent cost/kg |
$0.018 |
$0.018 |
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Dispensary Variables |
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Hydrogen dispensary capacity (kg) |
400 |
400 |
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Number of dispensaries |
23 |
23 |
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Total daily operations cost/kg |
$0.12 |
$0.12 |
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Optional retail markup |
30% |
30% |
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Blackstone Zinc Powder/Zinc Oxide |
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Zinc ore |
8.5% |
8.5% |
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Pounds per ton |
170 |
170 |
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Zinc oxide per ton |
226 |
226 |
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Initial tons for 23 hydrogen dispensaries |
376 |
283 |
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Tons/day required |
38 |
54 |
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Repurpose Blackstone property for hydrogen/zinc oxide use |
$5,000,000 |
$0 |
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Polymetallic Matte Bullion Analysis |
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Copper price (lb) |
$2.96 |
$2.96 |
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Lead price (lb) |
$0.90 |
$0.90 |
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Silver price (oz) |
$26.50 |
$26.50 |
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Gold price (oz) |
$1950 |
$1950 |
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Copper (lbs) |
96 |
96 |
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Lead (lbs) |
30 |
30 |
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Silver (ozs) |
23.56 |
23.56 |
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Gold (ozs) |
0.108 |
0.108 |
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Processing losses |
8% |
8% |
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Refinery charges |
15% |
15% |
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Net value matte bullion per day |
$16,576 |
$16,576 |
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Value per kilogram of hydrogen |
$1.81 |
$1.81 |
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Hydrogen production cost |
($0.33) |
($1.42) |
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