1. ALGAE PRODUCTION TRIALS AT
ENERGYMICROLGAE
Algae production trials with out any organic
or inorganic C input
Sea water filled in 10 m2 RCC tanks at a depth of 50
cm.
Time: 7 AM

2. The media was fertilized and inoculated
with Phaeodactylum sp. 8 AM

3. Density of cells by 5 PM same day

4. Algae just before harvest 6 PM next day

5. The algae harvested after 32 hrs by 6 PM
next day. Dry paste of > 10 Kg obtained
from three 10 m2 tanks.

6. Dry algae biomass (< 10% moisture) of 1.5
Kg from 30 m2 area.
25 g/m2/day.
The production cost found to be less than Rs.4 (US$ 0.087) per Kg
of algae biomass.
The lipid content of the biomass is estimated as 20 %.
The trials were repeated several times and the production figures
were consistent with insignificant variations.

7. Cost analysis
(costs as % of $0.09)
Pond and water supply : 13
Harvesting : 5
Other infra : 2
Fertilizer : 19
Energy : 37
Manpower : 16
Interest( Capital + Land cost) : 7
Taxes and ancillary : 1
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