ALGAE PRODUCTION TRIALS AT
Algae production trials with out any organic
or inorganic C input
Sea water filled in 10 m2 RCC tanks at a depth of 50
Time: 7 AM
The media was fertilized and inoculated
with Phaeodactylum sp. 8 AM
Density of cells by 5 PM same day
Algae just before harvest 6 PM next day
The algae harvested after 32 hrs by 6 PM
next day. Dry paste of > 10 Kg obtained
from three 10 m2 tanks.
Dry algae biomass (< 10% moisture) of 1.5
Kg from 30 m2 area.
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.
(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