综述了藻类生物柴油和生物炼制的单元操作、挑战、机遇和策略

IF 2.5 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Frontiers in chemical engineering Pub Date : 2022-10-06 DOI:10.3389/fceng.2022.998289
Lakhan Kumar, Lalit Mohan, Raksha Anand, V. Joshi, M. Chugh, N. Bharadvaja
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引用次数: 1

摘要

在全球范围内,对能源的需求正在增加,为了可持续的未来,人们越来越重视绿色燃料。随着对替代燃料的需求加速,微藻已经成为一种有前途的来源,它不仅可以产生高脂质,还可以产生许多其他平台化学物质。此外,与传统原料相比,它是一种更好的替代方案,因为它全年易于大规模种植,碳固定和增值产品提取。迄今为止,已经进行了大量的研究来阐明这些生物用于大规模燃料生产。然而,提高脂质合成速率和降低生产成本仍然是制约其经济可行性的主要瓶颈。因此,本研究收集了有关藻类生物柴油生产的信息,重点介绍了从菌株选择到生物燃料生产的单元操作。此外,还讨论了通过结合遗传和代谢工程以及利用剩余生物质来利用生物产品来增强脂质积累的策略。此外,还讨论了实施提取石油的生物精炼厂,然后利用剩余的生物质生产纳米颗粒、生物肥料、生物炭和生物制药等增值产品。
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A review on unit operations, challenges, opportunities, and strategies to improve algal based biodiesel and biorefinery
Globally, the demand for energy is increasing with an emphasis on green fuels for a sustainable future. As the urge for alternative fuels is accelerating, microalgae have emerged as a promising source that can not only produce high lipid but many other platform chemicals. Moreover, it is a better alternative in comparison to conventional feedstock due to yearlong easy and mass cultivation, carbon fixation, and value-added products extraction. To date, numerous studies have been done to elucidate these organisms for large-scale fuel production. However, enhancing the lipid synthesis rate and reducing the production cost still remain a major bottleneck for its economic viability. Therefore, this study compiles information on algae-based biodiesel production with an emphasis on its unit operations from strain selection to biofuel production. Additionally, strategies to enhance lipid accumulation by incorporating genetic, and metabolic engineering and the use of leftover biomass for harnessing bio-products have been discussed. Besides, implementing a biorefinery for extracting oil followed by utilizing leftover biomass to generate value-added products such as nanoparticles, biofertilizers, biochar, and biopharmaceuticals has also been discussed.
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CiteScore
3.50
自引率
0.00%
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0
审稿时长
13 weeks
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