Abstract
A new hydrogenation technology is introduced. This hydrogenation technology includes two new concepts: amorphous Ni alloy and magnetically stabilized bed. Amorphous metal alloys are new kinds of catalytic materials with short-range orderly but long-range disorderly structure. The disadvantages of the amorphous Ni alloy materials in terms of small specific surface area and low thermal stability have been solved to develop these materials into practical catalyst to substitute for the Raney Ni catalyst. The magnetically stabilized bed reactor, a fluidized bed of magnetically stabilized particles by applying a spatially uniform and time-invariant magnetic field oriented axially relative to the fluidizing fluid flow, has many advantages such as the low pressure drop and the high mass transfer efficiency. The cold model tests had revealed that the magnetically stabilized bed reactor displayed three different forms, i.e., the scattered particulates mode, the chain mode and the magnetic condensation mode. The chain mode was conductive to good contact between solid and liquid to promote the catalytic reaction. Two commercial units of the magnetically stabilized bed reactor were set up, with the capacity of 200 and 250 kt/a, respectively. Integration of the amorphous Ni alloy catalyst and the magnetically stabilized bed reactor was developed in the process for purification of caprolactam at RIPP, SINOPEC. The new reaction process has enhanced the hydrogenation reaction to reduce the reaction volume to 1/8 and 1/3 of those of kettle-type reactor and the fixed-bed reactor of the same throughput, respectively.
Similar content being viewed by others
References
Yokoyama A, Komiyama H, Inouet H (1981) J Catal 68:355
Zong B, Min E, Deng J (1989) Acta Sin 47:1052
Yamashita H, Yoshikawa M, Funabiki T, Yoshida S (1986) J Catal 99:375
Zong B, Min E, Zhu Y (1991) Acta Sin 49:1056
Zhang D, Zong B, Min E (1993) J Thermal Anal 9:1204
Li H, Wang W, Zong B, Min E, Deng J (1998) Chem Lett 4:371
Hu H, Qiao M, Xie F, Fan K, Lei H, Tan D, Bao X, Lin H, Zong B, Zhang X (2005) J Phys Chem B 109:5186
Zong B, Meng X, Lin H, Zhang X, Mu X, Min E (2005) USP6875340
Mu X, Zong B, Min E, Wang X, Wang Y, Zhang X, Shu X (2002) USP6368996
Zhang X, Zong B, Min E (2002) Petrol Chem Div (Preprints) 47:387
Lei H, Song Z, Tan D, Bao X, Mu X, Zong B, Min E (2001) Appl Catal A: Gen 214:69
Liu B, Qiao M, Deng J, Fan K, Zhang X, Zong B (2001) J Catal 204:512
Hu H, Qiao M, Pei Y, Fan K, Li H, Zong B, Zhang X (2003) Appl Catal A: Gen 252:173
Hu H, Qiao M, Wang S, Fan K, Li H, Zong B, Zhang X (2004) J Catal 221:612
Hu H, Xie F, Pei Y, Qiao M, Yan S, He H, Fan K, Li H, Zong B, Zhang X (2006) J Catal 237:143
Xie F, Chu X, Hu H, Qiao M, Yan S, Zhu Y, He H, Fan K, Li H, Zong B, Zhang X (2006) J Catal 241:211
Rosensweig RE (1979) Science 204:57
Meng X, Mu X, Zong B, Min E, Zhu Z, Fu S, Luo Y (2003) Catal Today 79–80:21
Acknowledgements
This work is supported by the National Basic Research Program of China (Project No. 2006CB202500). The author would like to express sincere gratitude to Dr. E. Min for his direction and help, and also wish to thank co-workers, Dr. X. Mu, Dr. X. Meng, Dr. X. Zhang and Dr. Z. Zhu.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Zong, B. Amorphous Ni Alloy Hydrogenation Catalyst and Magnetically Stabilized Bed Reaction Technology. Catal Surv Asia 11, 87–94 (2007). https://doi.org/10.1007/s10563-007-9019-z
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10563-007-9019-z