Maximizing the productivity of the microalgae Scenedesmus AMDD cultivated in a continuous photobioreactor using an online flow rate control

被引：8
|
作者：
McGinn, Patrick J. [1 ]
MacQuarrie, Scott P. [1 ]
Choi, Jerome [2 ]
Tartakovsky, Boris [2 ]
机构：
[1] Natl Res Council Canada, Aquat & Crop Resource Dev Portfolio, 1411 Oxford St, Halifax, NS B3H 3Z1, Canada
[2] Natl Res Council Canada, Energy Min & Environm Portfolio, 6100 Royalmount Ave, Montreal H4P 2R2, PQ, Canada
来源：
BIOPROCESS AND BIOSYSTEMS ENGINEERING | 2017年 / 40卷 / 01期
关键词：
Microalgae; Continuous cultivation; Fluorometry; Online control; Optimal productivity; MULTIWAVELENGTH FLUOROMETRY; REMEDIATION; BIOGAS;
D O I：
10.1007/s00449-016-1675-9
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
In this study, production of the microalga Scenedesmus AMDD in a 300 L continuous flow photobioreactor was maximized using an online flow (dilution rate) control algorithm. To enable online control, biomass concentration was estimated in real time by measuring chlorophyll-related culture fluorescence. A simple microalgae growth model was developed and used to solve the optimization problem aimed at maximizing the photobioreactor productivity. When optimally controlled, Scenedesmus AMDD culture demonstrated an average volumetric biomass productivity of 0.11 g L-1 d(-1) over a 25 day cultivation period, equivalent to a 70 % performance improvement compared to the same photobioreactor operated as a turbidostat. The proposed approach for optimizing photobioreactor flow can be adapted to a broad range of microalgae cultivation systems.
引用
收藏
页码：63 / 71
页数：9
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