Technology and Engineering of Biodiesel Production: a Comparative Study between Microalgae and Other Non-Photosynthetic Oleaginous Microbes

A. Yousuf, M. Hoque, M. Jahan, D. Pirozzi
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引用次数: 7

Abstract

Microbial lipids are considered as a promising and sustainable feedstock for biodiesel production due to their fatty acid composition similar to that of vegetable oils. So far, microalgae have attracted more attention as a lipid producer in comparison to other non-photosynthetic oleaginous microbes. Nevertheless, recent studies showed the efficiency of other microorganisms, including bacteria, yeasts, molds which are able to accumulate lipids over 20 % of their dry biomass. Competence of lipid production by those photosynthetic and non-photosynthetic microbes are highly depend on the cost of reactor design, wide range of nutritional substrates, scalability, parasitic energy demand, metabolic function etc. Therefore, integration of biology and engineering is essential for a cost-effective production of microbial lipids. This paper compares microalgae and non-photosynthetic microbes as regards the factors affecting the techno-economical feasibility of the microbial oil production.
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生物柴油生产技术与工程:微藻与其他非光合产油微生物的比较研究
微生物油脂因其脂肪酸组成与植物油相似而被认为是一种有前途和可持续的生物柴油生产原料。与其他非光合作用产油微生物相比,微藻作为一种产脂微生物受到了更多的关注。然而,最近的研究表明,其他微生物的效率,包括细菌、酵母、霉菌,它们能够积累超过其干生物量20%的脂质。光合和非光合微生物的产脂能力在很大程度上取决于反应器设计的成本、广泛的营养基质、可扩展性、寄生能量需求和代谢功能等。因此,生物学和工程学的结合对于具有成本效益的微生物脂质生产至关重要。本文比较了微藻与非光合微生物对微生物采油技术经济可行性的影响因素。
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