Enhanced catalytic activity of cobalt catalysts for Fischer–Tropsch synthesis via carburization and hydrogenation and its application to regeneration

2016 ◽  
Vol 6 (12) ◽  
pp. 4594-4600 ◽  
Author(s):  
Geunjae Kwak ◽  
Du-Eil Kim ◽  
Yong Tae Kim ◽  
Hae-Gu Park ◽  
Seok Chang Kang ◽  
...  

In Fischer–Tropsch synthesis (FTS), cobalt carbide (Co2C) is not a catalytically active material, but rather an undesired cobalt phase associated with low catalytic performance.

2011 ◽  
Vol 277 (1) ◽  
pp. 14-26 ◽  
Author(s):  
Héline Karaca ◽  
Olga V. Safonova ◽  
Stéphane Chambrey ◽  
Pascal Fongarland ◽  
Pascal Roussel ◽  
...  

2020 ◽  
Vol 20 (4) ◽  
pp. 275-285
Author(s):  
R. E. Yakovenko ◽  
V. G. Bakun ◽  
I. N. Zubkov ◽  
G. B. Narochnyi ◽  
O. P. Papeta ◽  
...  

The effect of the preparation method of bifunctional cobalt catalysts with HZSM-5 zeolite and a boehmite binder on the catalytic performance in the Fischer–Tropsch synthesis was studied. The synthesized catalysts were characterized by means of BET, XRD, EDX, SEM, TEM, H2 TPD and NH3 TPD methods and tested in the synthesis of hydrocarbons at a pressure of 2.0 MPa, temperature 240 °C, and gas hourly space velocity 1000 h–1. It was shown that the method of catalyst preparation can be used for controlling the hydrocarbon and fractional composition ofproducts of the Fischer – Tropsch synthesis. A promising composite catalytic system for the single-step synthesis of low-freezing diesel fuel was proposed.


2017 ◽  
Vol 7 (17) ◽  
pp. 3812-3822 ◽  
Author(s):  
Hansheng Li ◽  
Bo Hou ◽  
Jungang Wang ◽  
Xin Huang ◽  
Congbiao Chen ◽  
...  

A series of meso–macroporous silica supports with the same macroporous diameter but different mesoporous diameters were prepared by introducing phase separation into a sol–gel process and used to prepare cobalt catalysts for Fischer–Tropsch synthesis.


RSC Advances ◽  
2015 ◽  
Vol 5 (72) ◽  
pp. 58727-58733 ◽  
Author(s):  
Yulan Zhang ◽  
Mingyue Ding ◽  
Longlong Ma ◽  
Tiejun Wang ◽  
Xinjun Li

Ag-doped porous composites were synthesized and employed as catalysts. Active Fe3O4 was interspersed on the surface of the Ag promoter, which was used to enhance the catalytic activity and the desired hydrocarbon yield.


2021 ◽  
Vol 47 (1) ◽  
pp. 397-418
Author(s):  
Karolina A. Chalupka ◽  
Renata Sadek ◽  
Lukasz Szkudlarek ◽  
Pawel Mierczynski ◽  
Waldemar Maniukiewicz ◽  
...  

2021 ◽  
Author(s):  
Liang Wei ◽  
Jian Chen ◽  
Shuai Lyu ◽  
Chengchao Liu ◽  
Yanxi Zhao ◽  
...  

The delicate balance between dispersion and reduction of the Co-based Fischer–Tropsch synthesis catalyst is the golden key to enhancing catalytic performance, which highly depends on an optimized metal–support interaction. In...


2021 ◽  
Author(s):  
Gisele Westphalen ◽  
Maria A. S. Baldanza ◽  
Antônio José de Almeida ◽  
Vera Maria Martins Salim ◽  
Mônica Antunes Pereira da Silva ◽  
...  

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