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Biodegradability of biomass pyrolysis oils: Comparison to conventional petroleum fuels and alternatives fuels in current use

机译：生物质热解油的生物降解性：与当前使用的常规石油燃料和替代燃料的比较

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Concern with environmental issues such as global climate change has stimulated research into the development of more environmentally friendly technologies and energy sources. One critical area of our economy is liquid fuels. Fast pyrolysis of lignocellulosic biomass for liquids production is of particular concern, as it is one of the most interesting ways to produce renewable liquid fuel for transport and heat and power production. The aerobic biodegradability of various pyrolysis oils from different origins and of a EN 590 diesel sample was examined using the Modified Sturm (OECD 301B). The results demonstrate that all fast pyrolysis oils assessed are biodegradable with similar shaped curves with 41-50% biodegradation after 28 days, whereas the diesel sample reached only 24% biodegradation. Since pyrolysis oils achieved biodegradability over 20% these are classified as inherently biodegradable. Modelling of biodegradation processes was successfully performed with a first-order chemical reaction. The biodegradability results obtained for biomass pyrolysis oils are compared to those of conventional and alternative fuels.
机译：对诸如全球气候变化等环境问题的关注刺激了对更环保技术和能源发展的研究。液体燃料是我们经济的关键领域。用于液体生产的木质纤维素生物质的快速热解是特别令人关注的问题，因为它是生产用于运输，供热和发电的可再生液体燃料的最令人感兴趣的方法之一。使用改良型Sturm（OECD 301B）检查了不同来源的各种热解油和EN 590柴油样品的有氧生物降解能力。结果表明，评估的所有快速热解油均可生物降解，具有相似的形状曲线，28天后生物降解率为41-50％，而柴油样品仅达到24％。由于热解油实现了20％以上的生物降解性，因此将其归类为固有生物降解性。通过一阶化学反应成功进行了生物降解过程的建模。将生物质热解油获得的生物降解性结果与常规和替代燃料的生物降解性进行了比较。

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