Halogen-promoted Pt/KL Zeolite Catalyst for the Production of Aromatic Hydrocarbons from Light Naphtha

被引：12
|
作者：
Fukunaga, Tetsuya [1 ]
Katsuno, Hisashi [1 ]
机构：
[1] Idemitsu Kosan Co Ltd, Adv Technol Res Labs, Chiba 2990293, Japan
来源：
CATALYSIS SURVEYS FROM ASIA | 2010年 / 14卷 / 3-4期
关键词：
Aromatization; Naphtha; L-zeolite; Platinum; Halogen promoted; N-OCTANE AROMATIZATION; KL ZEOLITE; PLATINUM; HEXANE; ROUTE; STATE;
D O I：
10.1007/s10563-010-9092-6
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：
Modification by a halogen containing compound made the Pt/KL zeolite catalyst more active and selective than the original Pt/KL zeolite in the aromatization of C-6 and C-7 fractions in naphtha. Furthermore, the catalyst life of the halogen-modified Pt/KL (Pt/FKL) was much longer than that of Pt/KL due to less carbon formation rate. These features led Pt/FKL to industrial applications. TEM, H-2 adsorption, and NH3-TPD measurements revealed that the treatment of Pt/KL with halogen produces well dispersed Pt without changing the acidic property of the catalyst. The Pt/FKL catalyst has been commercialized as Aromax(A (R)) II catalyst; it was loaded into several Aromax(A (R)) process units in Saudi Arabia, USA, and Spain.
引用
收藏
页码：96 / 102
页数：7
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