通过统计和简单的单参数(ψ)方法协调光生物反应器中藻类生长的理解

IF 4.4 Q3 ENGINEERING, ENVIRONMENTAL
Rupesh Kumar, Zohar Barnett-Itzhaki, Asher Wishkerman, Snehanshu Saha, Santonu Sarkar and Anirban Roy
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引用次数: 0

摘要

随着全球能源危机的加剧,迫切需要可持续的化石燃料替代品。藻类以其高生长速度和固碳能力,为可再生能源和碳捕获提供了一个有希望的解决方案。本研究通过对气泡柱光生物反应器(BC-PBRs)的综合分析,探讨了各种藻类的碳捕获潜力。通过回顾过去15年的102项相关研究,共确定了24篇文章,提供了650个数据点,关于生物质产量与设计参数(如曝气率、塔高、直径、体积和二氧化碳浓度)的关系。分析结果表明,生物量产量与柱高(R = 0.48,取值范围为20 ~ 200 cm)、总积(R = 0.48,取值范围为1 ~ 70 L)、培养时间(R = 0.47,取值范围为2 ~ 22 d)呈正相关。相反,二氧化碳浓度(R = - 0.12,范围:0.03-20%)和柱直径(R = - 0.21,范围:2-24 cm)呈负相关。其中,棘小球藻(Chlorella spinulatus)的生物量最高,平均为3.03±1.12 g L−1。本研究强调了优化bc - pbr以促进藻类生长和生物量生产的关键设计考虑因素。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Reconciling algal growth understanding in photobioreactors through a statistical and facile single parameter (ψ) approach

Reconciling algal growth understanding in photobioreactors through a statistical and facile single parameter (ψ) approach

As the global energy crisis intensifies, there is an urgent need for sustainable alternatives to fossil fuels. Algae, with their high growth rates and ability to sequester carbon, present a promising solution for renewable energy and carbon capture. This study investigates the potential of various algal species for carbon capture through a comprehensive analysis of bubble column photobioreactors (BC-PBRs). By reviewing 102 relevant studies over the past 15 years, a total of 24 articles were identified, providing 650 data points on biomass yield in relation to design parameters such as aeration rate, column height, diameter, volume, and carbon dioxide concentration. The analysis revealed a positive correlation between biomass yield and column height (R = 0.48; range: 20–200 cm), total volume (R = 0.48; range: 1–70 L), and cultivation time (R = 0.47; range: 2–22 days). In contrast, a negative correlation was observed with carbon dioxide concentration (R = −0.12; range: 0.03–20%) and column diameter (R = −0.21; range: 2–24 cm). Notably, Chlorella spinulatus emerged as the most promising species among those studied, with the highest biomass yield (mean of 3.03 ± 1.12 g L−1). This research highlights critical design considerations for optimizing BC-PBRs to enhance algal growth and biomass production.

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