Table 9 Costs of oil extraction

Algal biomass, closed, ($35.64/t)¹

37,500

1,336,824,488

Algal biomass, open, ($1.32/t) ²

100,000

131,936,202

Methanol (at $200/t)*

12,522

2,504,348

NaOH (at $500/t)**

26

13,043

Hexane (at $600/t)***

10,449

6,269,162

Cooling water ($0.0294/m³)

8,287,214

243,644

Steam (at $0.0049/kg)

56,250,000

275,625

Power (at $0.05883/kWh)

750,000

44,123

Fixed Inputs

Labor(at $16/h)

12,000

192,000

Maintenance (at 10% annual capital costs)

654,937

Capital costs annualized

6,549,365

Biodiesel cost, closed ($/gal)

45.12

Biodiesel cost, open ($/gal)

4.99

Biodiesel cost, closed, diesel equivalent ($/gal)

49.39

Biodiesel cost, open, diesel equivalent ($/gal)

5.46