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首页> 外文期刊>Biotechnology Progress >Potential Synergies and Challenges in Refining Cellulosic Biomass to Fuels,Chemicals,and Power
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Potential Synergies and Challenges in Refining Cellulosic Biomass to Fuels,Chemicals,and Power

机译：将纤维素生物质提炼成燃料，化学品和动力的潜在协同作用和挑战

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摘要

Lignocellulosic biomass such as agricultural and forestry residues and dedicated crops provides a low-cost and uniquely sustainable resource for production of many organic fuels and chemicals that can reduce greenhouse gas emissions,enhance energy security,improve the economy dispose of problematic solid wastes,and improve air qulity A technoeconmic analysis fo bilogically processing lignocellulosices to ethanol is adapted to project the cost of making sugar intermediated for producing a range of such products,adn sugar costs are predicted to drop with plant size as a result of economies of scale that outweigh increased biomass transport costs fro facilites processing less than about 10,000 dry tons per day.Criteria are then reviewed for identifying promising chemicals in addition to fuel ethanol to made for these low cost cellulosic sugars.It is found that the large market for ethanol maker it possible to achiver economies fo scale that reduce sugar costs,and coproducing chemicals promises preater profit margins or lower production costs and coproducing chemiclaspromises greater profit margins or lower production costs for a given return on investeent.Additionally power can be sold at lwo proces without a significant impact on the selling proce of sugars.However,manufacture of multiole products introduces additional technical marketing risk scale-up and other challenges that must be considered in refining of lignocellulosics.
机译：木质纤维素生物质（例如农林残留物和专用农作物）为生产许多有机燃料和化学品提供了低成本且独特的可持续资源，可以减少温室气体排放，增强能源安全，改善对有问题的固体废物的经济处置并改善空气质量对木质纤维素纤维进行乙醇生物处理的技术经济分析适用于预测生产用于生产此类产品的中间体所需糖的成本，由于规模经济超过生物量增加的结果，adn糖成本预计将随植物大小而降低每天处理少于10,000干吨的便利设施的运输成本，然后审查标准，以识别用于制造这些低成本纤维素糖的燃料乙醇和燃料乙醇之外的有前景的化学品。发现乙醇制造商的巨大市场有可能实现规模经济，可降低食糖成本，同时可生产副产化学品在给定的投资回报率的前提下，会误以为是较低的利润率或更低的生产成本以及联产化纤产品的利润率或更低的生产成本。此外，电力也可以按价格出售，而对糖的销售过程没有重大影响。但是，多分子产品的制造引入了其他技术营销风险扩大以及在木质纤维素精制中必须考虑的其他挑战。

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