Volume : 7, Issue : 10, OCT 2021

MIXED MICROALGAE CULTIVATION IN OPEN POND REACTOR FOR BIOMASS EXTRACTION

HAMIE HAROLD, SUCHITH CHELLAPPAN*, CHINGAKHAM.C

Abstract

The need for clean, biodegradable, and carbon-neutral alternative energy has led the focus on microalgae as a biofuel source. Microalgae are considered a future source of biofuel, because it does not compete with agricultural land and freshwater resources, and has to potential to be cultivated in quantities required for substituting mineral oil. Microalgae have been recommended as a superior candidate for fuel production because of their advantages of higher photosynthetic efficiency, biomass & lipid productivity, faster growth rate as compared to other energy crops. To meet up all these criteria, we have developed a continuous outdoor microalgal open pond reactor. Open pond reactors are shallow artificial ponds used in the cultivation of microalgae which is the most economical method for algal culture. An attempt to utilize indigenous sources of nutrients to improve the economics also revealed that microalgal culturing can also be used as a mode of nutrient removal and water treatment. The photosynthetic rate and lipid production was enhanced by arresting daytime cell division and promoting night-time cell division. Large-scale microalgal biomass production for application in biofuel production can be promoted through the use of open ponds, combined with economically viable strategies, such as microalgae-based biorefineries. The advantages of open ponds, such as the relatively low investment and lower energy costs, combined with biorefinery concepts can be considered one of the best options for microalgal biofuel production.

Keywords

MICROALGAE, BIOFUEL, BIOMASS, LIPID PRODUCTIVITY, OPEN POND REACTOR, ALGAL CULTURE.

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Article No : 12

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