Enhancing growth and lipid production of marine microalgae for biodiesel production via the use of different LED wavelengths

被引：158

作者：

Teo, Chee Loong ^{[1
]}

Atta, Madiha ^{[1
]}

Bukhari, Attaullah ^{[1
]}

Taisir, Mohamad ^{[2
]}

Yusuf, Afendi M. ^{[2
]}

Idris, Ani ^{[1
]}

机构：

[1] Univ Teknol Malaysia, Inst Bioprod Dev, Fac Chem Engn, Dept Bioproc Engn, Utm Johor Bahru 81310, Johor, Malaysia

[2] Univ Teknol Malaysia, BM Nagano Ind Sdn Bhd, Fac Mech Engn, Johor Baharu 81700, Malaysia

来源：

BIORESOURCE TECHNOLOGY | 2014年 / 162卷

关键词：

Nannochloropsis sp; Tetraselmis sp; LED; Wavelength; Biodiesel; LIGHT QUALITY; CULTIVATION; BIOMASS; INTENSITY; TRANSESTERIFICATION; PHOTOINHIBITION; ACCUMULATION; CULTURE; OIL;

D O I：

10.1016/j.biortech.2014.03.113

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Wavelength of light is a crucial factor which renders microalgae as the potential biodiesel. In this study, Tetraselmis sp. and Nannochloropsis sp. as famous targets were selected. The effect of different light wavelengths on growth rate and lipid production was studied. Microalgae were cultivated for 14 days as under blue, red, red-blue LED and white fluorescent light. The growth rate of microalgae was analyzed by spectrophotometer and cell counting while oil production under improved Nile red method. Optical density result showed the microalgae exhibited better growth curve under blue wavelength. Besides, Tetraselmis sp. and Nannochloropsis sp. under blue wavelength showed the higher growth rate (1.47 and 1.64 day(-1)) and oil production (102.954 and 702.366 a.u.). Gas chromatography analysis also showed that palmitic acid and stearic acid which were compulsory components for biodiesel contribute around 49-51% of total FAME from Nannochloropsis sp. and 81-83% of total FAME from Tetraselmis sp. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：38 / 44

页数：7

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