Modification of nitrogen doped carbon for SILP catalyzed hydroformylation of ethylene

Weiss Alexander; Giese Matthias; Lijewski MartinFranke RobertWasserscheid PeterHaumann Marco

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Modification of nitrogen doped carbon for SILP catalyzed hydroformylation of ethylene

机译：修改的氮掺杂碳单列直插式组件催化加氢甲酰化的乙烯

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We report the application of nitrogen doped carbon (NDC) materials as supports for the SILP catalyzed gas-phase hydroformylation of ethylene. The Rh-xantphos complex, dissolved in [EMIM][NTf2] and dispersed onto commercially available activated carbon yielded low activity. The incorporation of nitrogen functionalities into the surface was achieved via oxidation of the original carbon support followed by reduction with either urea or ammonia. SILP catalysts based on the so-obtained NDC materials provided higher activity in ethylene hydroformylation, while at the same time the formation of undesired aldol condensation products was low. Thus, the performance of the new SILP catalyst on NDC material represents a significant step ahead for a technically relevant, continuous catalytic operation with very high aldehyde selectivity.

机译：我们报告氮掺杂碳的应用(NDC)材料作为单列直插式组件的支持乙烯的催化气相加氢甲酰化。Rh-xantphos复杂,溶解(以)[NTf2]和分散到商业可用活性炭产生较低的活动。氮的整合功能通过氧化成表面实现原来的减少碳支持紧随其后与尿素或氨。在so-obtained NDC材料提供更高活动在乙烯氢甲酰化反应,同时同时不受欢迎的醇醛的形成冷凝产品很低。新的NDC单列直插式组件催化剂的性能材料前跨出了一大步技术相关的,连续的催化操作与醛选择性很高。

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来源
《Catalysis science & technology》 |2017年第23期|5562-5571|共10页
作者
Weiss Alexander; Giese Matthias; Lijewski MartinFranke RobertWasserscheid PeterHaumann Marco;
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作者单位

Friedrich Alexander Univ Erlangen Nurnberg FAU, Lehrstuhl Chem Reakt Tech CRT, Egerlandstr 3, D-91058 Erlangen, Germany;

Evonik Performance Mat GmbH, Paul Baumann Str 1, D-45772 Marl, Germany;

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正文语种英语
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关键词
ethylene; hydroformylation;

机译：乙烯;加氢甲酰化;

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Modification of nitrogen doped carbon for SILP catalyzed hydroformylation of ethylene

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