Priority Research Centre for Advanced Fluids and Interfaces, Newcastle Institute for Energy and Resources, Australia.
Lawrence Berkeley National Laboratory, Joint BioEnergy Institute, Berkeley, CA 94720, USA.
Faraday Discuss. 2017 Dec 14;206:93-112. doi: 10.1039/c7fd00158d.
Biomass based biofuels are already an important energy source, and will increasingly be so in the future as the need for renewable energy rises. Due to their fast multiplication rates, algae can provide a sustainable supply of biomass, and are attractive because they do not compete with food crops for habitat. Here we show that biomass derived from Chlorella vulgaris and Spirulina platensis can be pretreated with low cost choline amino acid based ionic liquids to effectively yield lipids (30.6% and 51% total lipids) and sugars (71% and 26% total sugars). The ionic liquids dissolve the lipids, leaving behind a carbohydrate rich solid. The lipids were extracted with hexane, and the solid was subjected to enzyme hydrolysis to release fermentable sugars. These results open new pathways towards the dual production of biodiesel and bioethanol from algae, using low cost ionic liquids.
基于生物质的生物燃料已经是一种重要的能源，随着对可再生能源需求的增加，未来将越来越重要。由于藻类繁殖速度快，它们可以提供可持续的生物质供应，并且具有吸引力，因为它们不会与粮食作物争夺栖息地。在这里，我们表明，来自普通小球藻和螺旋藻的生物质可以用低成本的胆碱氨基酸基离子液体进行预处理，以有效地产生脂质（30.6%和 51%总脂质）和糖（71%和 26%总糖）。离子液体溶解脂质，留下富含碳水化合物的固体。用己烷提取脂质，然后用酶水解固体以释放可发酵糖。这些结果为利用低成本离子液体从藻类中同时生产生物柴油和生物乙醇开辟了新途径。
