Development of society increases the demand of energy. Particularly in transportation sector the need of diesel fuel is increasing day by day and consequently there is a problem of environmental pollution, so there are severe challenges to human survival and development. Biodiesel provides one kind of sustainable solution to above problems. The supercritical process is one of the innovative methods used in the manufacturing of biodiesel. With this process, oils are exposed to supercritical conditions, which are above their critical temperature and pressure. This allows for faster reaction rates and a higher production of biodiesel. Because supercritical fluids have certain qualities that improve extraction and conversion, this method is quite effective. The use of ultrasonography to help the procedure is another novel strategy. In order to improve mass transfer and mixing in the reaction mixture, cavitation is created using ultrasonic waves. It is possible to produce biodiesel from various animal fats, vegetable oil and algae. There are various techniques of converting oil into biodiesel. This part discusses emerging and new techniques such as super critical process, ultra sound assisted process and micro wave assisted process for producing biodiesel.

Keywords: Biodiesel, Edible Oil, Non-Edible Oil, Fatty Acid, Oil Extraction.

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1. Didem Ozcimen and Sevil Yucel, Novel Methods in Biodiesel Production Home Books Biofuel's Engineering Process Technology, 01 August 2011.
2. Baskar, G. Kalavathy, R. Aiswarya, and Abarnaebenezer Selvakumari, Advances in bio-oil extraction from nonedible oil seeds and algal biomass, Woodhead Publishing Series in Energy, (2019), 187-210.
3. Yadessa Gonfa Keneni and Jorge Mario Marchetti, Oil extraction from plant seeds for biodiesel production, AIMS Energy, Vol. 5, Issue 2 (2017), 316-340.
4. Bhargavi, P Nageswara Rao, S Renganathan, Review on extraction methods of crude oil from all generation biofuels in last few decades, IOP Conf. Series: Materials Science and Engineering, 330 (2018), 012024.
5. Demirbas, Progress and recent trends in biodiesel fuels, Energy Conservation and Management, Vol. 50 (2008), 14-34.
6. Banshi D. Shukla, Dr. Prabhat K. Srivastava, Er. Ram K. Gupta, Oilseeds Processing Technology, Central Institute of Agricultural Engineering, 1992, BOOK
7. M. K. Bhuiya, M. G. Rasul, M. M. K. Khan, N. Ashwath, A. K. Azad, M. Mofijur, “Optimization of oil extraction process from Australian native beauty leaf seeds (Calophyllum inophyllum)”, Elsevier, doi:10.1016/j.egypro.2015.07.137. 2015.
8. Timothy G. Kemper, “Oil extraction”, Baileys Industrial Oil and Fat Products, Sixth Edition.
9. Rama Chandra Pradhan, Vwnkatesh Meda, Prashant Kumar Rout, satyanarayan Naik, Ajay K Dalal, “ Supercritical CO2 extraction of fatty oil from flaxseed and comparison with screw press expression and solvent extraction processes”, Journal of food Engineering, Volume 98, issue 4, june 2010.
10. Egon Stahl, Erwin Schutz, Hemut K mangold, “ Extraction of seed oil with liquid and supercritical carbon dioxide”, ACS Publications, Journal of Agricultural and Food Chemistry,1980.
11. KAusar H. Abidin l, Mujeeb M., “ Comparative assessment of extraction methods and quantitative estimation of thymoquinone in the seeds of nigella sativa L by HPCL”, International Journal of Pharmacognosy and Phytochemical, doi:10.25258/phyto.v9i11.11186, 2017.
12. P. Jeevan Kumar, S. Rajendra Prasad, Rintu Banerjee, Dinesh K. Agrwal, Kalyani S. Kulkarni, “ Green solvents and technologies for oil extraction from oilseeds”, Chemistry Central Journal, doi 10.1186/s13065-017-0238-8, 2017.
13. Baskar, G. Kalavathy, R. Aishwarya, I. Abranaebenezer Salvakumari, “7- Advances in bio-oil extraction from nonedible oil seeds and algal biomass”, ScienceDirect, pp 187-210, 2019.
14. P. Jeevan Kumar, S. Rajendra Prasad, Rintu Banerjee, Dinesh K. Agrwal, Kalyani S. Kulkarni, K. V. Ramesh, “ Green solvents and technologies for oil extraction from oilseeds”, Chemistry Central Journal, doi:10.1186/s13065-017-0238-8, 2017.

Development of society increases the demand of energy. Particularly in transportation sector the need of diesel fuel is increasing day by day and consequently there is a problem of environmental pollution, so there are severe challenges to human survival and development. Biodiesel provides one kind of sustainable solution to above problems. The supercritical process is one of the innovative methods used in the manufacturing of biodiesel. With this process, oils are exposed to supercritical conditions, which are above their critical temperature and pressure. This allows for faster reaction rates and a higher production of biodiesel. Because supercritical fluids have certain qualities that improve extraction and conversion, this method is quite effective. The use of ultrasonography to help the procedure is another novel strategy. In order to improve mass transfer and mixing in the reaction mixture, cavitation is created using ultrasonic waves. It is possible to produce biodiesel from various animal fats, vegetable oil and algae. There are various techniques of converting oil into biodiesel. This part discusses emerging and new techniques such as super critical process, ultra sound assisted process and micro wave assisted process for producing biodiesel.

Keywords: Biodiesel, Edible Oil, Non-Edible Oil, Fatty Acid, Oil Extraction.

🔒 This is a subscription article

Full text is available to subscribers and institutional members. Please choose an option below to access it.

1. Didem Ozcimen and Sevil Yucel, Novel Methods in Biodiesel Production Home Books Biofuel's Engineering Process Technology, 01 August 2011.
2. Baskar, G. Kalavathy, R. Aiswarya, and Abarnaebenezer Selvakumari, Advances in bio-oil extraction from nonedible oil seeds and algal biomass, Woodhead Publishing Series in Energy, (2019), 187-210.
3. Yadessa Gonfa Keneni and Jorge Mario Marchetti, Oil extraction from plant seeds for biodiesel production, AIMS Energy, Vol. 5, Issue 2 (2017), 316-340.
4. Bhargavi, P Nageswara Rao, S Renganathan, Review on extraction methods of crude oil from all generation biofuels in last few decades, IOP Conf. Series: Materials Science and Engineering, 330 (2018), 012024.
5. Demirbas, Progress and recent trends in biodiesel fuels, Energy Conservation and Management, Vol. 50 (2008), 14-34.
6. Banshi D. Shukla, Dr. Prabhat K. Srivastava, Er. Ram K. Gupta, Oilseeds Processing Technology, Central Institute of Agricultural Engineering, 1992, BOOK
7. M. K. Bhuiya, M. G. Rasul, M. M. K. Khan, N. Ashwath, A. K. Azad, M. Mofijur, “Optimization of oil extraction process from Australian native beauty leaf seeds (Calophyllum inophyllum)”, Elsevier, doi:10.1016/j.egypro.2015.07.137. 2015.
8. Timothy G. Kemper, “Oil extraction”, Baileys Industrial Oil and Fat Products, Sixth Edition.
9. Rama Chandra Pradhan, Vwnkatesh Meda, Prashant Kumar Rout, satyanarayan Naik, Ajay K Dalal, “ Supercritical CO2 extraction of fatty oil from flaxseed and comparison with screw press expression and solvent extraction processes”, Journal of food Engineering, Volume 98, issue 4, june 2010.
10. Egon Stahl, Erwin Schutz, Hemut K mangold, “ Extraction of seed oil with liquid and supercritical carbon dioxide”, ACS Publications, Journal of Agricultural and Food Chemistry,1980.
11. KAusar H. Abidin l, Mujeeb M., “ Comparative assessment of extraction methods and quantitative estimation of thymoquinone in the seeds of nigella sativa L by HPCL”, International Journal of Pharmacognosy and Phytochemical, doi:10.25258/phyto.v9i11.11186, 2017.
12. P. Jeevan Kumar, S. Rajendra Prasad, Rintu Banerjee, Dinesh K. Agrwal, Kalyani S. Kulkarni, “ Green solvents and technologies for oil extraction from oilseeds”, Chemistry Central Journal, doi 10.1186/s13065-017-0238-8, 2017.
13. Baskar, G. Kalavathy, R. Aishwarya, I. Abranaebenezer Salvakumari, “7- Advances in bio-oil extraction from nonedible oil seeds and algal biomass”, ScienceDirect, pp 187-210, 2019.
14. P. Jeevan Kumar, S. Rajendra Prasad, Rintu Banerjee, Dinesh K. Agrwal, Kalyani S. Kulkarni, K. V. Ramesh, “ Green solvents and technologies for oil extraction from oilseeds”, Chemistry Central Journal, doi:10.1186/s13065-017-0238-8, 2017.