Comparison of energy production and renewable fuels method from algae with other ways of biodiesel production resources

Document Type : Review Article

Authors

1 Master of Industrial and Environmental Biotechnology, Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran

2 Associate Professor, Department of Renewable Energies and Environment, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran

Abstract

Nowadays, the production of alternative fuels to fossil fuels is one of the most noticeable issues in dealing with environmental pollution. With the same approach, biodiesel is using to replace fossil diesel fuel. In general, this article examines four generations of biofuel production from different sources and economic comparisons of their production. In this review study of the previous reports, firstly, according to the approach of localizing alternative fuels, we discuss the introduction of microalgae's types, their reproduction process and environmental applications, production of biogas, bioethanol, and biodiesel. Afterward, in particular, the optimal method of producing biodiesel from microalgae is investigated, and eventually, a comparison has been made between biodiesel produced from microalgae and fossil diesel fuel and the ASTM standard of biodiesel. The results of numerous studies have demonstrated that due to the rapid growth of microalgae, high efficiency, and the low cost of their cultivation and production, it is possible to produce about 5000 to 15000 gallons of biodiesel from each hectare of microalgae cultivation; which makes the production of biodiesel from algae allocate a significant position compared to other sources of biodiesel production.

Keywords


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