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Supported bimetallic catalyst with a strong interaction between a group VIII metal and tin, and its use in a catalytic reforming process
Supported bimetallic catalyst with a strong interaction between a group VIII metal and tin, and its use in a catalytic reforming process
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机译:在VIII族金属和锡之间具有强相互作用的负载型双金属催化剂及其在催化重整过程中的用途
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摘要
A novel supported bimetallic catalyst comprises a group VIII metal such as platinum, and tin, at least a portion of which interacts strongly with the group VIII metal in the catalyst in the reduced state. In the partially oxidized state, the catalyst of the invention contains at least 10% of tin in the form of a reduced tin species with oxidation state 0, said species having an isomer shift in the range 0.80 to 2.60 mm/s and a quadrupolar splitting in the range 0.65 to 2.00 mm/s. The invention also concerns the preparation of said catalyst, and processes using said catalyst for transforming hydrocarbons into aromatic compounds, such as gasoline reforming processes and aromatic production processes.
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机译:一种新颖的负载型双金属催化剂包含VIII族金属,例如铂和锡,其中至少一部分与还原状态的催化剂中的VIII族金属强烈相互作用。在部分氧化态下,本发明的催化剂含有至少10%的锡,其形式为氧化态0的还原锡物质,所述物质的异构体位移为0.80至2.60 mm / s,并且四极分裂范围为0.65至2.00 mm / s。本发明还涉及所述催化剂的制备,以及使用所述催化剂将烃转化为芳族化合物的方法,例如汽油重整方法和芳族生产方法。
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