Bioresource Technology 249 (2018) 880–889 Contents lists available at ScienceDirect Bioresource Technology journal homepage: www.elsevier.com/locate/biortech Boosting Nannochloropsis oculata growth and lipid accumulation in a lab- scale open raceway pond characterized by improved light distributions employing built-in planar waveguide modules a,b a,b, a,b a,b a,b a,b a,b Yahui Sun , Yun Huang , Qiang Liao , Ao Xia , Qian Fu , Xun Zhu , Jingwei Fu Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Chongqing University, Ministry of Education, Chongqing 400044, China Institute of Engineering Thermophysics, Chongqing University, Chongqing 400044, China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: Aiming at alleviating the adverse eﬀect of poor light penetrability on microalgae growth, planar waveguide Planar waveguide modules functioned as diluting and redistributing the intense incident light within microalgae culture more Open raceway pond homogeneously were introduced into a lab-scale open raceway pond (ORP) for Nannochloropsis oculata culti- Nannochloropsis oculata vation. As compared to the conventional ORP, the illumination surface area to volume ratio and eﬀective il- Light distribution luminated volume percentage in the proposed ORP were respectively improved by 5.53 times and Lipid 19.68–172.72%. Consequently, the superior light distribution characteristics in the proposed ORP contributed to 193.33%
Bioresource Technology – Elsevier
Published: Feb 1, 2018
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