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翻译一段话,异丁烯脱氢方面
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| 论文的第三部分主要是以不同孔径硅胶及氧化铝为载体,以CrOx为金属活性组分、K2O为助催化剂,在连续微反装置上对该催化剂的反应性能进行了考察。在相同的条件下,得出以中孔氧化铝为载体最佳;T=600℃时,以中孔氧化铝为载体,CrOx负载量为15%,助催化剂K2O为2%时最佳(以下称该负载量的催化剂为CBDH-07),此时,异丁烷的转化率为54.69%,异丁烯的选择性为90.34(前两个小时的平均值)。 |
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hookhans
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hylv: 金币+60, 翻译EPI+1, ★★★★★最佳答案, 谢谢 2013-03-25 07:36:26
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Ref. only, do not copy and use directly, please further modify and improve it prior to use. In section three of the thesis, the catalytic properties of the catalysts, which are constituted of different pore size silica gel or alumina as support, CrOx as active metal component and K2O as cocatalyst, were explored on a continuous micro-reactor. Under the sample experimental conditions, it was found that the mesoporous alumina is the best support. And the optimized experimental conditions are: T=600℃,mesoporous alumina support, 15% CrOx loading,2% K2O cocatalyst loading (the catalyst with such loadings will be referred to CBDH-07 in the following sections), giving the isobutane and isobutene conversion efficiencies as 54.69% and 90.34% ( the average values of the initial two hour reaction), respectively. |

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