Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 780, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.scitotenv.2021.146467
Keywords
Harvesting; Microalgae; Flocculation; Centrifugation; Sedimentation; Co-pelletization
Categories
Funding
- Department of Science and Technology, Promotion of University Research and Scientific Excellence (DSTPURSE) [DST], India [SR/PURSE phase 2/38(G)]
- RUSA-Phase 2.0 [Policy (TNMultiGen), Department of Education, Government of India] [F.24-51/2014-U]
- Scheme for Promotion of Academic and Research Collaboration (SPARC) [SPARC/2018-2019/P485/SL]
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Neutral based biofuels, derived from renewable sources, such as microalgae, show great potential in meeting the growing energy demand. The harvest and dewatering processes of microalgae can be optimized through automation to reduce operational costs and improve efficiency. Advanced techniques, including the use of nanoparticles, are being explored to enhance the harvesting process and minimize energy consumption and processing costs.
The fuels retrieved from renewable sources which are usually employed as both carbon and energy sources are termed as neutral based biofuels. The most promising feedstock from renewable sources with great potentiality in contributing to the inclining energy demand is microalgae. These microalgae can be harnessed readily in terms of obtaining qualitative biodiesel with greater energy consumption under limited operational cost. The process of harvesting or dewatering microalgae could be carried under single or sequential combinations of operations. The major drawback of harvesting such as huge operational cost could be lowered by increasing the level of automation than cost of investments. The present review concentrates and explores on the techno-economic analysis of the microalgal harvesting and dewatering processes on a large scale. Along with these advanced techniques enclosing the utilization of nanoparticles for harvesting has also been explored. And it also adds with the impacts of concerning facts on energy consumption, processing cost and recovery of resources during harvesting. (c) 2021 Elsevier B.V. All rights reserved.
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