DEACTIVATION OF PT-RE/AL2O3 CATALYSTS WITH DIFFERENT METALLIC CHARGE

被引：14

作者：

GRAU, JM ^{[1
]}

PARERA, JM ^{[1
]}

机构：

[1] INST INVEST CATALISIS & PETROQUIMICA, SANTIAGO ESTERO 2654, RA-3000 SANTA FE, ARGENTINA

来源：

APPLIED CATALYSIS | 1991年 / 70卷 / 01期

关键词：

REFORMING; DEACTIVATION; COKE FORMATION; PLATINUM-RHENIUM ALUMINA; CATALYST CHARACTERIZATION (TPO);

D O I：

10.1016/S0166-9834(00)84150-0

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：

A balanced (0.3% Pt, 0.3% Re) and a skewed (0.2% Pt, 0.4% Re) metal function catalyst coked commercially in a naphtha reformer are compared. The coke was characterized by temperature-programmed oxidation and by measuring the amount of carbon and the hydrogen-carbon atomic ratio. Catalytic tests were performed in order to study the influence of coke deposition on the catalytic activity of reactions controlled by the metal or acid function of the catalyst. Both catalysts behave similarly regarding the function controlling the reactions. The main difference is the smaller coke deposition on the metal of the skewed-metal catalyst.

引用

页码：9 / 18

页数：10

共 23 条

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