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三种生物质气催化制甲醇的比较 被引量:3

COMPARISON OF THREE BIOMASS-DERIVED SYNGAS ON CATALYSTIC SYNTHESIS
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摘要 比较了由生物质衍生的3种气体:含N_2且未调节C/H比的气体(A)、不含N_2但未调节C/H的气体(B)、不含N_2且调节C/H的气体(C)催化合成甲醇的性能。在P=4MPa、r=260℃、SV=5280h^(-1)下,与气体(C)比,气体(A)和气体(B)所得甲醇产率分别下降47.2%和25.5%,甲醇浓度分别下降1.4%和1.6%。反应温度对含CO_2的气体(A)和(B)合成甲醇的性能有重要影响,在260℃时甲醇产率和浓度都达到最佳值。大量CO_2的存在导致甲醇浓度的下降,CO_2含量越高,所得甲醇的浓度越低。 The synthesis of methanol was carried out from three kinds of syngas derived from biomass: the syngas containing N2 and not adjusting C/H (A), the syngas without N2 and not asjusting C/H (B), the syngas without N2 and adjusting C/H (C). When P = 4MPa, T = 260%, SV = 5280h^-1, comparaed with (C), the methanol STY from (A) and (S) decreased 47.2% and 25.5% respectively, the methanol concentration from (A) and (B) decreased 1.4% and 1.6% respectively. Reaction temperature had important effect on methanol synthesis from (A) and (B), and both methanol STY and methanol concentration approached maximum at 260%. The existence of excess CO2 in syngas resulted in the decrease of methanol concentration. More CO2 in syngas, more greatly the methanol concentration decreased.
作者 汪俊锋 常杰
出处 《太阳能学报》 EI CAS CSCD 北大核心 2006年第1期41-44,共4页 Acta Energiae Solaris Sinica
基金 国家高技术研究发展计划(863)创新性项目(2001AA514020)
关键词 生物质 合成气 甲醇 biomass syngas methanol
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