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Received January 31, 2013
Accepted July 3, 2013
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An evaluation of trimethyl phosphate on deactivation of Cu/Zn catalyst in hydrogenation of dodecyl methyl ester
1School of Chemical Engineering, Ningbo University of Technology, Ningbo 315016, China 2UNILAB, State Key Lab of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China 3Shanghai Huayi Group Co., Ltd., Shanghai 200431, China
gpcao@ecust.edu.cn
Korean Journal of Chemical Engineering, September 2013, 30(9), 1710-1715(6), 10.1007/s11814-013-0119-3
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Abstract
The effect of trimethyl phosphate on Cu/Zn catalyst prepared by co-precipitation method for hydrogenation of methyl laurate to dodecanol in a slurry phase was studied using a stirred autoclave reactor system. The catalysts were characterized by means of XRD, EDS, XPS, SEM and BET. The results indicated that catalytic activity decreased with the increased amount of trimethyl phosphate. Correlating with the results from the above characterization, it was found that the main cause for the catalyst deactivation was the trimethyl phosphate occlusion of active sites by the physical adsorption and BET surface area decrement.
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References
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Guan PB, Manufacture and application of fatty alcohol, China Light Industry Press, Beijing (1990)
Huang H, Cao G, Fan C, Wang S, Wang S, Korean J. Chem. Eng., 26(6), 1574 (2009)
Huang H, Wang SH, Wang SJ, Cao GP, Catal. Lett., 134(3-4), 351 (2010)
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Quinn R, Dahl TA, Toseland BA, Appl. Catal. A: Gen., 272(1-2), 61 (2004)
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Vesely CJ, Langer DW, Phys. Rev. B., 4, 451 (1971)
NIST X-ray Photoelectron Spectroscopy Database, http://srdata.nist.gov/xps/.
