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ankang276

金虫 (正式写手)

[求助] 翻译一段话,催化加氢的。

In the case of both Mg and K, however, the reduced coke formation
was accompanied by a significant reduction in RO selectivity,
especially in the case of the K-doped Mo2C/HY catalyst that had
relatively low acidity. Both Mg and K increased the hydrogenation
capability of the Mo2C/HY catalyst but did not provide the optimum
acidity for increased RO selectivity. Together these results point to the
difficulty in obtaining high RO selectivity while limiting coke
formation.
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slz146

木虫 (正式写手)

【答案】应助回帖


sltmac(金币+1): 2011-08-13 12:10:42
ankang276(金币+24, 翻译EPI+1): 2011-08-14 08:59:50
但是,就Mg和 K而言,在焦炭形成减少的同时,RO 选择性也有较大的降低,尤其是掺杂K 的Mo2C/HY 催化剂的酸度相对较低时。Mg和 K都可以提高Mo2C/HY 催化剂的氢化能力,但是无法提供一个提高RO 选择性的最佳酸度。综合这些结论可得知:要获得较高的RO 选择性且限制焦炭的形成是有难度的。
2楼2011-08-13 11:43:06
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