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首页> 外文期刊>Green chemistry >Biomass feedstocks for renewable fuel production: a review of the impacts of feedstock and pretreatment on the yield and product distribution of fast pyrolysis bio-oils and vapors
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Biomass feedstocks for renewable fuel production: a review of the impacts of feedstock and pretreatment on the yield and product distribution of fast pyrolysis bio-oils and vapors

机译：用于可再生燃料生产的生物质原料：综述原料和预处理对快速热解生物油和蒸气的产率和产品分布的影响

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摘要

Renewable transportation fuels from biomass have the potential to substantially reduce greenhouse gas emissions and diversify global fuel supplies. Thermal conversion by fast pyrolysis converts up to 75% of the starting plant material (and its energy content) to a bio-oil intermediate suitable for upgrading to motor fuel. Woody biomass, by far the most widely-used and researched material, is generally preferred in thermochemical processes due to its low ash content and high quality bio-oil produced. However, the availability and cost of biomass resources, e.g. forest residues, agricultural residues, or dedicated energy crops, vary greatly by region and will be key determinates in the overall economic feasibility of a pyrolysis-to-fuel process. Formulation or blending of various feedstocks, combined with thermal and/or chemical pretreatment, could facilitate a consistent, high-volume, lower-cost biomass supply to an emerging biofuels industry. However, the impact of biomass type and pretreatment conditions on bio-oil yield and quality, and the potential process implications, are not well understood. This literature review summarizes the current state of knowledge regarding the effect of feedstock and pretreatments on the yield, product distribution, and upgradability of bio-oil.
机译：生物质能产生的可再生运输燃料有潜力大幅减少温室气体排放，并使全球燃料供应多样化。通过快速热解进行的热转化将高达75％的起始原料（及其能量含量）转化为适合于升级为汽车燃料的生物油中间体。迄今为止，木质生物质是使用最广泛和研究最广泛的材料，由于其灰分含量低且产生的生物油质量高，因此通常在热化学工艺中受到青睐。但是，生物质资源的可获得性和成本，例如森林残渣，农业残渣或专用能源作物因地区而异，将成为热解-燃料工艺的整体经济可行性的关键决定因素。各种原料的配制或混合，再加上热和/或化学预处理，可以促进向新兴的生物燃料行业提供稳定，大量，低成本的生物质。但是，人们对生物质类型和预处理条件对生物油产量和质量的影响以及潜在的工艺含义尚不十分了解。这篇文献综述总结了有关原料和预处理对生物油的产量，产品分布和可升级性的影响的当前知识状态。

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