Reactivation of CoNiAl Calcined Hydrotalcite-like Compounds for Hydrolysis of Carbonyl Sulfide

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• 作者：Hongyan Wang ; Honghong Yi ; Xiaolong Tang ; Lili Yu ; Dan He ; Shunzheng Zhao ; Kai Li
• 刊名：Industrial & Engineering Chemistry Research
• 出版年：2013
• 出版时间：July 10, 2013
• 年：2013
• 卷：52
• 期：27
• 页码：9331-9336
• 全文大小：297K
• 年卷期：v.52,no.27(July 10, 2013)
• ISSN：1520-5045

文摘

The reactivation of CoNiAl calcined hydrotalcite-like compounds for the hydrolysis of carbonyl sulfide was studied. The catalytic activity could be recovered after immersing Na₂CO₃ and calcining catalyst under air flow at 350 掳C. The fresh, deactivated, and reactivated catalysts were characterized by various techniques. The presence of sodium introduced in the reactivation was the main source of basicity. It combined with the active center NiO to recover the catalytic activity.