Sustainable Process Development for High Density Protein Rich Microalgal Cultivation and its Application as Aquafeed

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Up to 7 % (v/v) of worldwide CO2 emissions are caused by flue gases released by coal-fired thermoelectric facilities, with the flue gases emitted from the power plants consisting of 10 to 15 % (v/v) of CO2. Increased CO2 levels in the atmosphere are the cause of global warming and climate change. With a high dependence on fossil fuels, global CO2 emissions continue to increase. An independent research perspective towards the development of a sustainable technology for CO2 sequestration is being examined in light of the enormous need to capture and utilise CO2 for lowering the environmental effect. Aligned with this initiative is the development of a microalgae-based carbon sequestration process, which can be attributed to the microalgae's inherent capability of growing at high CO2 concentrations and accumulation of a high intracellular protein composition; providing an opportunity to be an attractive alternative aquafeed, thereby making the process sustainable and economically feasible. The development of an industrially practicable and economically sustainable process strategy for microalgal-based aquafeed production is currently hampered by a number of barriers. Such incipient bottlenecks can serve as motivation for the development of an aim for the selection of novel strains and the design of novel process strategies; which will boost research towards the industrialization of microalgal-based aquafeed
Supervisor: Das, Debasish