Which institution has developed a two-stage microalgae cultivation process for carbon dioxide capture, biomass production and bioenergy generation?

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The correct answer is Option D: IIT Guwahati. IIT Guwahati has developed a two-stage microalgae cultivation process for carbon dioxide capture, biomass production and bioenergy generation. The process uses 15% carbon dioxide in the first stage for rapid microalgal growth and 5% carbon dioxide in the second stage to sustain photosynthesis and manage nutrients. The process was experimentally tested in a two-litre bubble-column photobioreactor and achieved 25.7% higher biomass production than conventional methods. The developed process achieved 35.4% higher carbon dioxide fixation and 1.86 times higher lipid productivity compared with conventional methods. The process improved total intracellular bioenergy efficiency by 37.65% and achieved a 98.46% harvesting recovery rate through calcium-induced self-flocculation. The research was led by Professor Kaustubha Mohanty of the Department of Chemical Engineering with research scholar Deepesh Singh Chauhan and was published in the journal Renewable Energy. On 29 May 2026, IIT Guwahati signed an agreement with Kaashyap Cleantech Innovations to commercialise a bacterial two-stage bioprocess converting methane and carbon dioxide into bio-methanol.

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IIT Delhi

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IIT Bombay

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IIT Hyderabad

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IIT Bengaluru

Which institution has developed a two-stage microalgae cultivation process for carbon dioxide capture, biomass production and bioenergy generation?

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Which institution has developed a two-stage microalgae cultivation process for carbon dioxide capture, biomass production and bioenergy generation?

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