OALib Journal期刊
ISSN: 2333-9721
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贝壳对生物质气化的催化作用研究
, PP. 41-46
Keywords: 水蒸气,贝壳,生物质,催化气化,能量转化率
Abstract:
贝壳的主要成分为caco?3,以贝壳为催化剂考察其对木屑生物质气化的催化效果。通过在不同剂料比及温度条件下生物质的的产气特性实验发现:水蒸气气氛中贝壳对木屑生物质最佳催化温度在750~950℃之间;贝壳主要加快催化含碳大分子裂解,气化效率与产气中h?2+co总含量以及h?2/co比有关;水蒸气气氛下,当温度为950℃、剂料比为20%时,碳转化率为94%,物料能量转化率为81%,比同温度下纯生物质的碳转化率和能量转化率分别提高了10.3%和6%。
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