Abstract
Currently, India utilizes an enormous amount of fossil fuels and a major quantity of fossil fuels are imported from other countries. It’s a giant load on the Indian Economy. The burning of fossil fuels causes global warming. Carbon neutral, renewable fuels are essential for environmental protection and it’s economically sustainable for India. Biofuels attention day by day due to a rise in energy demands and environmental concerns. Biodiesel produced from algal oil a possible renewable and carbon-neutral substitute to fossil fuels. The feasibility of the algal-based biodiesel industry depends on the selection of adequate species regarding commercial oil yields and oil quality. Present research work to bioprospecting and screening of 19 algal and blue-green algal species, the oil percentage and the fatty acid profiles, used for analyzing the biodiesel fuel properties. Oil from Tolypothrix phyllophila algal strain and compared it with another eighteen algal and blue-green algal strains from different literature. Tolypothrix phyllophila algal strain contains approximately 12.6% lipid on a dry weight basis. We also compared the FAME profile of 19 algal and blue-green algal strains and calculated and compared the fuel properties such as cetane number, Iodine Value, etc. of the biodiesel derived from these algal and blue-green algal oils based on chain length and saturation. We also investigated the 19 algal and blue-green algal fatty acid profiles and its suitability for biodiesel production and strains selection through PROMETHEE (Preference Ranking Organization Method for Enrichment Evaluations) and GAIA (geometrical analysis for interactive aid) analysis.
Highlights
IntroductionProlong utilization of fossil fuels is set to face various challenges: continued and significant fuel price rise, including global warming, and other environmental issues, depletion of fossil fuels reserves[1,2]
Prolong utilization of fossil fuels is set to face various challenges: continued and significant fuel price rise, including global warming, and other environmental issues, depletion of fossil fuels reserves[1,2].Besides the limited amount of fossil fuels, global dependence of fossil energy brings about associated problem emissions
The lipid content obtained by the above method was converted into esters of fatty acids by standard transesterification method, and the resultant product was analyzed by GC-MS
Summary
Prolong utilization of fossil fuels is set to face various challenges: continued and significant fuel price rise, including global warming, and other environmental issues, depletion of fossil fuels reserves[1,2]. Besides the limited amount of fossil fuels, global dependence of fossil energy brings about associated problem emissions. Fossil fuels are the dominating source of carbon dioxide and other greenhouse gases (GHGs)[2,3]. Renewable energy is the only key to growing energy challenges. Sources of renewable energy such as wind, tidal energy, wave, solar, and biomass energy are rich , environment friendly and inexhaustible[4,5]
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