微藻生物炼制:微藻碳水化合物生物加工精细化学品和生物燃料的挑战和策略

Q3 Agricultural and Biological Sciences
T. Meng, R. Harun, Ramizah Kamaludin, Mohd Asyraf Kassim
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引用次数: 1

摘要

微藻碳水化合物是一种主要的大分子代谢产物,作为一种广泛的可持续生物基产品的替代原料,近年来受到了极大的关注。这些生物聚合物可以作为通过生物化学转化过程生产生物燃料的化学平台。然而,大规模生产微藻碳水化合物的生产率低已成为经济生产生物燃料的主要问题。已经提出了几种策略,并且该方法只增加了碳水化合物含量,但减少了微藻生物量的产生,导致微藻碳水化合物生产率低。此外,不适当的预处理和发酵方法,特别是高能技术,可能会导致生物燃料生产成本的增加。本文综述了通过培养技术提高微藻碳水化合物的策略,包括环境胁迫对微藻生物量和碳水化合物生产力的影响。本文还综述了微藻生物质在水解和发酵过程之前的下游加工技术。还讨论了不同的精细化学品,如生物乙醇、生物丁醇和微藻碳水化合物的生物制氢。这篇综述的信息为微藻碳水化合物的生物转化提供了一个框架,用于生物燃料和精细化学品。这种生产可能有利于潜在的工业实施。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Microalgal biorefinery: Challenge and strategy in bioprocessing of microalgae carbohydrate for fine chemicals and biofuel
Microalgal carbohydrate is one of the major macromolecule metabolites, which has recently gained great attention as an alternative feedstock for wide-range sustainable biobased products. These biopolymers can act as a chemical platform for the production of biofuels through a biochemical conversion process. However, low microalgal carbohydrate productivity at a large-scale production has become a major problem for economical biofuel production. Several strategies have been proposed and the approach only increased carbohydrate content but reduced the microalgal biomass production, resulting in low microalgal carbohydrate productivity. Besides, the inappropriate pretreatments and fermentation approaches specifically with high-energy techniques could cause an increase in the cost of biofuel production. This present review gives a comprehensive discussion on microalgal carbohydrate enhancement strategies via cultivation techniques including the influence of environmental stress on the microalgal biomass and carbohydrate productivity. This paper also reviews the state of art on downstream processing of microalgal biomass prior to the hydrolysis and fermentation process. The different fine chemicals such as bioethanol, biobutanol, and biohydrogen production from microalgal carbohydrate are also discussed. The information from this review provides a framework for bioconversion of microalgal carbohydrate for biofuel and fine chemicals. This production could be beneficial for potential industrial implementation.
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来源期刊
Journal of Applied Biology and Biotechnology
Journal of Applied Biology and Biotechnology Agricultural and Biological Sciences-Food Science
CiteScore
1.80
自引率
0.00%
发文量
181
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