Dubreuil, Anne-Claire published the artcileUnderstanding the impact of silicon compounds on metallic catalysts through experiments and multi-technical analysis, SDS of cas: 597-52-4, the publication is Comptes Rendus Chimie (2017), 20(1), 55-66, database is CAplus.
The presence of silicon in petroleum products is a major issue due to its poisoning effect on catalysts. The aim of this work is to combine silicon speciation and poisoning tests. Cyclic siloxanes were the main silicon species found in petroleum products. Other silicon compounds, comprising reactive groups (hydroxy, methoxy and hydroperoxy), were also recovered but at trace levels using GC-ICP/MS. Five well-chosen silicon compounds were used to poison Pd/alumina catalysts. Only dimethoxydimethylsilane poisons Pd-catalysts while polydimethylsiloxane (PDMS) has no effect on their activities in buta-1,3-diene hydrogenation. Unexpectedly, triethylsilane, triethylsilanol and even octamethylcyclotetrasiloxane (D4) exhibit a promoting effect. An interpretation of the phenomena based on various characterizations is proposed.
Comptes Rendus Chimie published new progress about 597-52-4. 597-52-4 belongs to alcohols-buliding-blocks, auxiliary class Aliphatic Chain, name is Triethylsilanol, and the molecular formula is C6H16OSi, SDS of cas: 597-52-4.
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