利用石莼和刚毛藻进行水热液化制备生物原油。
Hydrothermal liquefaction of Gracilaria gracilis and Cladophora glomerata macro-algae for biocrude production.
机构信息
Solid Waste Engineering Group, Department of Environmental Engineering, Graduated Faculty of Environment, University of Tehran, Tehran, Iran.
Department of Environmental Engineering, Graduate Faculty of Environment, University of Tehran, Tehran, Iran.
出版信息
Bioresour Technol. 2018 Feb;250:26-34. doi: 10.1016/j.biortech.2017.10.059. Epub 2017 Oct 16.
The potential of Gracilaria gracilis (G. gracilis) and Cladophora glomerata (C. glomerata) macro-algae species harvested from Caspian Sea for biocrude oil production under Hydrothermal Liquefaction (HTL) reaction at 350 °C and 15 min has been investigated. Furthermore, the effect of using recycled aqueous phase as the HTL reaction solvent was studied. The biocrude yield for G. gracilis and C. glomerata was 15.7 and 16.9 wt%, respectively with higher heating value (HHV) of 36.01 and 33.06 MJ/kg. The sources of each existing component in bio-oil were identified by GC-MS based on their suggested reaction pathways. Moreover, after two series of aqueous solution recycling, experiments showed that the bio-oil yield significantly increased compared with the initial condition. This increasing directly relates with recovery of carbon content from the aqueous solution residue.
从里海收获的江蓠（Gracilaria gracilis）和刚毛藻（Cladophora glomerata）大型藻类品种，在 350°C 和 15 分钟的水热液化（HTL）反应下，具有生产生物原油的潜力。此外，还研究了使用回收水相作为 HTL 反应溶剂的效果。江蓠和刚毛藻的生物原油产率分别为 15.7%和 16.9%，高位热值（HHV）分别为 36.01 和 33.06 MJ/kg。基于建议的反应途径，通过 GC-MS 确定了生物油中每种现有成分的来源。此外，在进行了两系列水溶液回收实验后，结果表明与初始条件相比，生物油产率显著增加。这种增加与从水溶液残渣中回收碳含量直接相关。
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