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首页> 外文期刊>Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies >Utilization of acetone-butanol-ethanol-water mixture obtained from biomass fermentation as renewable feedstock for hydrogen production via steam reforming: Thermodynamic and energy analyses
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Utilization of acetone-butanol-ethanol-water mixture obtained from biomass fermentation as renewable feedstock for hydrogen production via steam reforming: Thermodynamic and energy analyses

机译：利用从生物质发酵获得的丙酮 - 丁醇 - 乙醇 - 水混合物作为通过蒸汽重整产生氢气产生的可再生原料：热力学和能量分析

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摘要

A thermodynamic equilibrium analysis on steam reforming process to utilize acetone-butanol-ethanol-water mixture obtained from biomass fermentation as biorenewable fuel has been performed to produce clean energy carrier H-2 via non-stoichiometric approach namely Gibbs free energy minimization method. The effect of process variables such as temperature (573-1473 K), pressure (1-10 atm), and steam/fuel molar feed ratio (F-ABE = 5.5-12) have been investigated on equilibrium compositions of products, H-2, CO, CO2, CH4 and solid carbon. The best suitable conditions for maximization of desired product H2, suppression of CH4, and inhibition of solid carbon are 973 K, 1 atm, steam/fuel molar feed ratio = 12. Under these conditions, the maximum molar production of hydrogen is 8.35 with negligible formation of carbon and methane. Furthermore, the energy requirement per mol of H-2 (48.96 kJ), thermal efficiency (69.13%), exergy efficiency (55.09%), exergy destruction (85.36 kJ/mol), and generated entropy (0.29 kJ/mol.K) have been achieved at same operating conditions.
机译：已经进行了利用生物质发酵获得的丙酮 - 丁醇 - 乙醇 - 水混合物作为生物成矿燃料的热力学平衡分析，通过非化学计量方法产生清洁能量载体H-2，即Gibbs自由能量最小化方法。诸如温度（573-1473K），压力（1-10atm）和蒸汽/燃料摩尔进给比（F-ABE = 5.5-12）的过程变量的效果已经研究了产品的平衡组合物，H- 2，CO，CO2，CH4和固体碳。最佳合适的条件用于最大化所需产物H2，CH 4的抑制和固体碳的抑制为973k，1atm，蒸汽/燃料摩尔进给比率= 12.在这些条件下，氢的最大摩尔生产是8.35，可忽略不计形成碳和甲烷。此外，每摩尔H-2（48.96 kJ）的能量要求（48.96 kJ），热效率（69.13％），高度效率（55.09％），漏洞破坏（85.36 kJ / mol）和生成的熵（0.29 kJ / mol.k）已经在相同的操作条件下实现。

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