Catalyst Performance of Rh/CeO 2 /SiO 2 in the Pyrogasification of Biomass
Catalyst Performance of Rh/CeO 2 /SiO 2 in the Pyrogasification of Biomass
复制标题
Rh/CeO 2 /SiO 2 生物质热气化催化剂性能
DOI：
10.1021/ef020234z
复制
发表时间：
2003
期刊：
影响因子：
5.3
通讯作者：
K. Tomishige
中科院分区：
文献类型：
--
作者：
M. Asadullah;Tomohisa Miyazawa;S. Ito;K. Kunimori;K. Tomishige
考察了Rh/CeO2/SiO_2、水蒸气转化催化剂G-91和白云石在实验室连续进料流态化生物质热解气化、二氧化碳气化、氧气气化和水蒸气气化中的催化性能。在生物质转化为产物气和有用气体的选择性方面，Rh/CeO2/SiO_2在所有气化系统中都表现出了更好的结果。在热解气化过程中，在923K时，生物质中约79%的碳被转化为产物气，当引入少量氧气(ER=0.18)和氮气时，碳转化率达到95%左右。然而，在几乎相同的条件下，碳转化率仅为G-91催化剂上的75−80%。尽管在高活性的Rh/CeO2/SiO_2上形成了少量的焦炭，但在出气中没有发现焦油，因此该工艺具有很大的工业应用潜力。在没有氧气的情况下，二氧化碳和水蒸气也是可能的。
The catalytic performance of Rh/CeO2/SiO2, steam reforming catalyst G-91, and dolomite has been evaluated in the pyrolytic, CO2, oxygen, and steam gasification of biomass in a laboratory-scale continuous feeding fluidized bed gasifier. With respect to the biomass conversion to the product gas and selectivity of the useful gases, Rh/CeO2/SiO2 has shown much better results in all gasification systems. In the pyrolytic gasification, about 79% of the carbon in the biomass was converted to the product gas at 923 K. The carbon conversion reached about 95% level when a small amount of oxygen (ER = 0.18) was introduced with nitrogen. However, under almost the same conditions, the carbon conversion was within 75−80% of the level on G-91 catalysts. Although a small amount of char was formed on the highly active Rh/CeO2/SiO2, there was no tar found in the effluent gas stream; thus, this process has great potential to be utilized at the commercial level. With CO2 and steam in the absence of oxygen, it is also possibl...
影响因子：
5.5
作者：
K. Tomishige;Y. Matsuo;Y. Yoshinaga;Yasushi Sekine;M. Asadullah;K. Fujimoto
通讯作者：
K. Tomishige;Y. Matsuo;Y. Yoshinaga;Yasushi Sekine;M. Asadullah;K. Fujimoto