Hydroisomerization of n-hexadecane using Pt/alumina-Beta zeolite catalysts for producing renewable diesel with low pour point

被引：42
|
作者：
Gomes, Luis Carlos [1 ,2 ]
Rosas, Danielle de Oliveira [1 ]
Chistone, Rodrigo Caetano [1 ]
Zanon Zotin, Fatima M. [2 ]
Raddi de Araujo, Lucia R. [2 ]
Zotin, Jose L. [1 ]
机构：
[1] PETROBRAS SA, R&D Ctr, Cidade Univ,Ave Horacio Macedo,950, BR-21941915 Rio De Janeiro, RJ, Brazil
[2] Univ Estado Rio De Janeiro, Inst Chem, UERJ, Rua Sao Francisco Xavier,524, BR-20550900 Rio De Janeiro, RJ, Brazil
来源：
FUEL | 2017年 / 209卷
关键词：
Hydroisomerization; Beta zeolite; n-C16; Acidity; Diesel cold flow properties; CHAIN NORMAL-PARAFFINS; ACID-METAL BALANCE; HYDROCRACKING; ALUMINA; ALKANES; HYDROGENATION; PT/ZEOLITE; TETRALIN; OCTANE; IMPACT;
D O I：
10.1016/j.fuel.2017.08.011
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The performance of bifunctional Pt/Alumina-Beta zeolite catalysts for the hydroisomerization (HDI) of n-C16 was studied by varying the zeolite content in the support. A relationship between overall activity and support acidity was observed, indicating that the skeletal isomerization over zeolite acid sites is the rate-determining step. Isomerization and cracking products distributions are independent of the zeolite content in the support for the entire range of n-C16 conversion. The catalysts of the present study are more selective than those previously reported in the literature with Beta zeolite, which is probably associated to the use of a high Si/Al zeolite. Finally, it was observed that the pour point of the hydroisomerized products decreases with the overall conversion and correlates with the primary and secondary carbon contents of the products.
引用
收藏
页码：521 / 528
页数：8
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