Purification of caprolactam in magnetically stabilized bed reactor

A magnetically stabilized bed (MSB) reactor with amorphous nickel alloy catalyst (SRNA-4) was used for purification of caprolactam. The effects of various operating conditions on the hydrogenation were investigated, and the lifetime of SRNA-4 catalyst was also examined. A mathematical model of MSB r...

Full description

Saved in:

Bibliographic Details
Published in:	Catalysis today 2003-04, Vol.79, p.21-27
Main Authors:	Meng, Xiangkun, Mu, Xuhong, Zong, Baoning, Min, Enze, Zhu, Zehua, Fu, Songbao, Luo, Yaobang
Format:	Article
Language:	eng
Subjects:	Amorphous nickel alloy Applied sciences Caprolactam Catalysis Catalytic reactions Chemical engineering Chemistry Exact sciences and technology General and physical chemistry Hydrogenation Magnetically stabilized bed Reactors Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Online Access:	Get full text
Tags:	Add Tag No Tags, Be the first to tag this record!

Description
Summary:	A magnetically stabilized bed (MSB) reactor with amorphous nickel alloy catalyst (SRNA-4) was used for purification of caprolactam. The effects of various operating conditions on the hydrogenation were investigated, and the lifetime of SRNA-4 catalyst was also examined. A mathematical model of MSB reactor for hydrogenation of caprolactam solution was established. The experiment results show that the PM number (permanganate number) of caprolactam aqueous solution can be increased from 50 s to more than 2000 s through MSB hydrogenation process, and the lifetime of SRNA-4 catalyst is more than 3200 h. The catalyst consumption is reduced by 60%, as compared with that of the slurry reactor.
ISSN:	0920-5861 1873-4308