Algal biodiesel production: Comparison, Characterization and optimization of various extraction processes

Bharti Verma, Chandrajit Balomajumder

Abstract


The paper presents the production of Algal biodiesel from three processes namely Flask- magnetic Stirrer set up, Soxhlet apparatus and Ultrasonication Technique. The extraction time in case of extraction using ultrasonication technique is minimum which is 50 min followed by 6 hrs in case of flask-magnetic stirrer set up and 12 hrs in case of extraction through soxhlet apparatus. Also the percentage recovery in case extraction through ultrasonication is maximum which is 56.2% followed by 51.43% (Flask magnetic stirrer set up) and 49.52% (soxhlet apparatus). Ultrasonication at 70% amplitude and at 0.7 cycle per sec for extraction time of 50 min proves to be superior among three processes in terms of reduction in time and percentage recovery. Also, FESEM and FTIR of algae before and after extraction of algal oil has been analyzed.

Keywords


Algae; Energy; Renewable Energy; Ultrasonication; Biodiesel; Bio-oil

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DOI (PDF): https://doi.org/10.20508/ijrer.v6i3.4158.g6889

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