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首页> 外文期刊>Bioprocess and Biosystems Engineering >Techno-economic analysis of ethanol production from lignocellulosic biomass-a comparison of fermentation, thermo catalytic, and chemocatalytic technologies
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Techno-economic analysis of ethanol production from lignocellulosic biomass-a comparison of fermentation, thermo catalytic, and chemocatalytic technologies

机译：木质纤维素生物量的乙醇生产技术经济分析 - 一种发酵，热催化和化学催化技术的比较

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摘要

Bioethanol produced from 2nd generation biomass comprising of agricultural residues and forest wastes is a viable alternate fuel. Besides fermentation and biomass gasification to syngas and its further conversion to ethanol, a direct chemocatalytic conversion of lignocellulosic biomass into ethanol is being investigated as a viable route which avoids the emission of greenhouse gases. In this work, a detailed configuration of chemocatalytic route is simulated and optimized for minimizing the cost of ethanol production. The economic feasibility of ethanol production through the chemocatalytic pathway is analyzed. The techno-economic analysis is conducted in terms of ethanol selectivity and ethanol production cost. The obtained results show that biomass feedstock and catalyst have major contributions to the production cost. The proposed route is found to be giving a lower ethanol selling price as compared to the well-researched routes of biomass fermentation to ethanol and biomass gasification followed by syngas conversion to ethanol.[GRAPHICS]
机译：由第二代生物质制备的生物乙醇包括农业残留物和森林废物是一种可行的替代燃料。除了发酵和生物质气化与合成气及其进一步转化为乙醇外，正在研究木质纤维素生物质的直接化学催乳素转化为乙醇作为可行的路线，避免了温室气体的排放。在这项工作中，模拟化学催化途径的详细配置并优化以最小化乙醇生产成本。分析了通过化学催化途径的乙醇产量的经济可行性。技术经济分析是在乙醇选择性和乙醇生产成本方面进行的。得到的结果表明，生物质原料和催化剂对生产成本具有重大贡献。与乙醇和生物质气化的良好的生物质发酵途径相比，拟议的途径被发现给予较低的乙醇销售价格，然后进行乙醇和生物质气化。[图形]

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