Lumostatic strategy for microalgae cultivation utilizing image analysis and chlorophyll a content as design parameters

被引：92

作者：

Chen, Xue ^{[1
]}

Goh, Qianru Yvonne ^{[1
]}

Tan, Weifeng ^{[1
]}

Hossain, Iqbal ^{[1
]}

Chen, Wei Ning ^{[1
]}

Lau, Raymond ^{[1
]}

机构：

[1] Nanyang Technol Univ, Singapore Sch Chem & Biomed Engn, Singapore 637459, Singapore

来源：

BIORESOURCE TECHNOLOGY | 2011年 / 102卷 / 10期

关键词：

Microalgae; Draft-tube photobioreactor; Lumostatic strategy; Image analysis; Chlorophyll a; BUBBLE-COLUMN PHOTOBIOREACTORS; LIGHT UPTAKE RATE; ANABAENA-VARIABILIS; HYDROGEN-PRODUCTION; DENSITY CULTURE; PHOTOACCLIMATION; PHOTOINHIBITION; PHOTOSYNTHESIS; EFFICIENCY; INTENSITY;

D O I：

10.1016/j.biortech.2011.02.061

中图分类号：

S2 [农业工程];

学科分类号：

082806 [农业信息与电气工程];

摘要：

Cultivation of microalgae Chlorella sp. was performed in draft-tube photobioreactors. Effect of light intensity on the microalgae growth performance was conducted under a light intensity range of 82-590 mu mol/m(2) s. A lumostatic strategy was proposed based on the light distribution profiles obtained by image analysis and specific chlorophyll a content. The proposed lumostatic strategy allowed a maximum biomass dry weight of 5.78 g/L and a productivity of 1.29 g/L d, which were 25.7% and 74.3% higher than that achieved by the optimal constant light intensity, respectively. A comparison with other lumostatic strategies reported in the literature indicated that the proposed lumostatic strategy in the current study can be a promising approach in improving the growth of microalgae. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：6005 / 6012

页数：8

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