Abstract
Depleting reserves and souring prices of petroleum and oil have daunting effect on the economy of many developed and developing nations and forced researchers, government and federal agencies to opt for development of alternate fuels. In recent years, there is renewed interest in the field of algal biofuel production owing to its ability to grow in non-agriculturalable waste land and municipal wastewater/agricultural runoff water. Previous decade was attributed in developing new open culture/ reactor design for enhanced microalgal biomass production, efficient harvesting and pretreatment systems for commercial algal biofuel production. The true potential of algal biofuel spurs debate between algae experts and external observer over economics and environmental sustainability. Currently, no commercial algal energy generation system, which can surpass crop based energy content, is available. In present review, efficient culturing, operational strategies, reactor design and technological advancement in processing of algal fuel have been reviewed in graphical abstract
Highlights
Depleting fossil fuel reserves, global warming and increased global demand for energy pushed the world to a stage where finding a new renewable green alternative fuel is inevitable
Cavitation Technologies Inc. (CTI) used nanoreactor to create cavitation bubbles in a solvent material and collapse of these bubbles near algal cell wall forms shock waves and liquid jets that results in the cell wall breakage and cause the contents release into the solvent [85]
Using conventional method energy cost per kg of crude oil is estimated to be 1.24 $/kg while due to single step extraction strategy developed by Origin Oil the energy cost per kg of crude oil dropped to 16.4% of the original cost (0.20 $/kg )
Summary
Monica Sharma1*, Nitin Thukral, Navneet Kaur Soni, Sagar Maji2,3 1Department of Biotechnology, Delhi Technological University, Main Bawana Road, Shahbad Daulatpur, Delhi-110042, India 2Department of Mechanical Engineering, Delhi Technological University, Main Bawana Road, Shahbad Daulatpur, Delhi-110042, India 3G.B.
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