经济可行性和环境可持续性混合光生物反应器系统的实用设计

Q4 Earth and Planetary Sciences
Bill Sun
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引用次数: 0

摘要

用于微藻生物燃料生产的现代光生物反应器与其竞争对手传统开放池塘系统相比,面临着各种预算挑战。本文提出了一种新型的双室混合型光生物反应器,其特点是采用低成本组件,包括3-W离心泵和太阳能侧翼的可回收塑料模块,以及管状和膜状光生物反应器的衍生物。混合式光生物反应器具有合理的水动力性能,循环时间为120秒,混合时间为38秒。采用新型混合光生物反应器和标准开放池塘系统对普通小球藻进行了并排试验,比较了在相同环境条件下的生长速度和系统性能。结果表明,到培养第10天,混合型光生物反应器产生的C. vulgaris相对增加了34.87%,显示出显著提高的生长速度(P <0.05)。相比之下,湿污泥脂质提取过程表明,在开放池塘系统中生长的C. vulgaris培养物的脂质积累量明显大于混合光生物反应器,尽管差异没有统计学意义(P >0.05)。中试规模的光生物反应器不仅成本与开放池塘系统一样低,而且与由透明PVC材料制成的类似设计的生物反应器相比,费用减少了88.6%。因此,该项目证明了所提出的用于微藻生物燃料生产的低成本混合光生物反应器的候选性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Practical Design of Hybrid Photobioreactor System for Economic Feasibility and Environmental Sustainability
Modern photobioreactors for microalgae-based biofuel production face various budgetary challenges in comparison to its competitor design, the traditional open pond system. Herein, a novel design of a double-chamber hybrid photobioreactor is proposed, featuring low-cost components including a 3-W centrifugal pump and recyclable plastic modules for its solar flank, as well as derivatives from tubular and membrane photobioreactors. The hybrid photobioreactor exhibits reasonable hydrodynamic performance with a circulation time of 120 seconds and a mixing time of 38 seconds. A side-by-side runthrough of Chlorella vulgaris cultivation with the novel hybrid photobioreactor and a standard open pond system was done to compare growth rates and system performance under equal environmental conditions. Resulting measurements show that the hybrid photobioreactor produced a 34.87% comparatively greater amount of C. vulgaris by the tenth day of cultivation, demonstrating a significantly higher growth rate (P < 0.05). In contrast, wet-sludge lipid extraction processes show that the C. vulgaris culture grown in the open pond system held a substantially larger lipid accumulation than that of the hybrid photobioreactor, although the difference was not statistically significant (P > 0.05). The pilot-scale photobioreactor not only costed as little as the open pond system but also incurred 88.6% less expenses compared to a similarly designed bioreactor made of clear PVC material. Consequently, this project demonstrates the candidacy of the proposed low-cost hybrid photobioreactor design for microalgal biofuel production.
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来源期刊
CiteScore
0.50
自引率
0.00%
发文量
195
审稿时长
4-8 weeks
期刊介绍: Information not localized
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