化学工程2012，Vol.40Issue(11)：27-30,43,5.DOI:10.3969/j.issn.1005-9954.2012.11.007
生物质粗燃气自热重整调变的热力学分析
Thermodynamic analysis on autothermal reforming of biomass syngas
摘要
Abstract
The thermodynamic equilibrium analysis on the autothermal reforming of biomass syngas was performed by using the minimization of Gibbs free energy. The effects of operation parameters such as temperature, O2/CH4 mole ratio and tar mole fraction on the reforming performances were studied. The results show that both the CO hydrogenation and Boudouard reaction are promoted,whereas methane reforming is restrained at lower temperature. Increasing temperature facilitates the conversion of methane and CO2, the increase of mole fraction of syngas formed and the decrease of H2/CO mole ratio. The increase of O2/CH4 mole ratio promotes the methane reforming and restrains the CO2 conversion, and it increases the amount of syngas formed and decreases the H2/CO ratio. After reforming, the n ( H2) : n ( CO ) is about 1. The amount of carbon deposit presents a decreasing trend with increasing temperature and O2/CH4 ratio. As an important raw fuel, tar can promote the total amount of syngas whereas resulting in carbon formation. The optimal autothermal reforming conditions were designed as 1 023 K, mole ratio of O2/CH4 =0. 7 and tar mole fraction < 1% .关键词
生物质燃气/自热重整/积碳/吉布斯自由能/热力学分析Key words
biomass syngas/autothermal reforming/carbon deposit/Gibbs free energy/thermodynamic analysis分类
化学化工引用本文复制引用
杨勇,王铁军,定明月,李宇萍,马隆龙..生物质粗燃气自热重整调变的热力学分析[J].化学工程,2012,40(11):27-30,43,5.基金项目
国家自然科学基金资助项目(51076158,51036006) （51076158,51036006）
国家科技支撑项目(2011BAD22B06) （2011BAD22B06）
