DEACTIVATION OF HETEROGENEOUS CATALYSTS FOR HYDROCARBON CONVERSION

被引:0
|
作者
SERMON, PA [1 ]
VONG, MSW [1 ]
MARTINLUENGO, MA [1 ]
机构
[1] CSIC, INST ROCASOLANO, E-28006 MADRID, SPAIN
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中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The deactivation of metal sites and acid sires on heterogeneous catalysts duri It is also shown that carbonaceous deposits built upon oxides via spill-over from metal sites is active in ethene hydrogenation in its own right. Thus during catalysis of hydrocarbon reactions some sites (metallic and acidic) are lost or made unavailable while simultaneously others are generated. This complex yet intriguing situation emphasises the need for in-situ characterisation of catalytic surfaces.
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页码:319 / 326
页数:8
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