IIT Jodhpur’s innovative technology uses algae-assisted fuel cells to capture carbon dioxide, treat wastewater and generate power.
Compared to the conventional method of bubbling flue gases into algal ponds, their indirect biochemical route proves more efficient.
It converts CO2 into carbonates, enhancing the solubility of inorganic carbon in water, thereby fostering increased carbon retention in the water.
The use of closed systems like PBRs is highlighted as preferable to open ponds.
They prevent decomposition of bicarbonates into CO2 and maintain pH levels.
Additionally, the technology utilizes wastewater, utilizing a thermo-tolerant algal strain (Chlorella vulgaris) capable of thriving in such conditions.