微藻热解和水热液化制备生物油：机理与特性。
Microalgae bio-oil production by pyrolysis and hydrothermal liquefaction: Mechanism and characteristics.
机构信息
Department of Mechanical Engineering, Duzce University, 81620 Düzce, Türkiye.
School of Health Sciences and Technology, University of Petroleum and Energy Studies, Dehradun 248 007, Uttarakhand, India.
出版信息
Bioresour Technol. 2023 May;376:128860. doi: 10.1016/j.biortech.2023.128860. Epub 2023 Mar 11.
Microalgae have great potential in producing energy-dense and valuable products via thermochemical processes. Therefore, producing alternative bio-oil to fossil fuel from microalgae has rapidly gained popularity due to its environmentally friendly process and elevated productivity. This current work aims to review comprehensively the microalgae bio-oil production using pyrolysis and hydrothermal liquefaction. In addition, core mechanisms of pyrolysis and hydrothermal liquefaction process for microalgae were scrutinized, showing that the presence of lipids and proteins could contribute to forming a large amount of compounds containing O and N elements in bio-oil. However, applying proper catalysts and advanced technologies for the two aforementioned approaches could improve the quality, heating value, and yield of microalgae bio-oil. In general, microalgae bio-oil produced under optimal conditions could have 46 MJ/kg heating value and 60% yield, indicating that microalgae bio-oil could become a promising alternative fuel for transportation and power generation.
微藻通过热化学过程生产高能量密度和有价值的产品具有巨大的潜力。因此，由于其环保工艺和高生产力，用微藻生产替代化石燃料的生物油已迅速流行起来。本工作旨在全面综述热解和水热液化法生产微藻生物油。此外，还详细研究了微藻热解和水热液化过程的核心机制，表明脂质和蛋白质的存在有助于在生物油中形成大量含有 O 和 N 元素的化合物。然而，为上述两种方法应用适当的催化剂和先进技术可以提高微藻生物油的质量、热值和产率。一般来说，在最佳条件下生产的微藻生物油的热值为 46MJ/kg，产率为 60%，这表明微藻生物油可能成为运输和发电的有前途的替代燃料。
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