Effects of Al3+ precipitation onto primitive amorphous Cu-Zn precipitate on methanol synthesis over Cu/ZnO/Al2O3 catalyst

Cheonwoo Jeong; Jongha Park; Jinsung Kim; Joon Hyun Baik; Young-Woong Suh

Korean Journal of Chemical Engineering, Vol.36, No.2, 191-196, February, 2019

DOI10.1007/s11814-018-0186-6 Export Citation

Effects of Al3+ precipitation onto primitive amorphous Cu-Zn precipitate on methanol synthesis over Cu/ZnO/Al2O3 catalyst

Cheonwoo Jeong¹, Jongha Park¹, Jinsung Kim¹, Joon Hyun Baik², and Young-Woong Suh^{1, 3, †}

¹Department of Chemical Engineering, Hanyang University, Seoul 04763, Korea
²Energy Research Group, Research Institute of Industrial Science & Technology, Pohang 37673, Korea
³Research Institute of Industrial Science, Hanyang University, Seoul 04763, Korea

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The phase of Cu,Zn,Al precursors strongly affects the activity of their final catalysts. Herein, the Cu,Zn,Al precursor was prepared by precipitation of Al3+ onto primitive, amorphous Cu,Zn precipitate. This precursor turned out to be a phase mixture of zincian malachite and hydrotalcite in which the latter phase was less abundant compared to the co-precipitated precursor. The final catalyst derived from this precursor exhibited a little higher copper surface area and methanol synthesis activity than the co-precipitated counterpart. Therefore, the two precursor phases need to be mixed in an adequate proportion for the preparation of active Cu/ZnO/Al2O3 catalyst.

Keywords:Methanol Synthesis;Cu/ZnO/Al2O3;Sequential Precipitation;Precursor Phase

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[1] Jeong C, Suh YW, Appl. Chem. Eng., 27(6), 555 (2016)

[2] Park NK, Lee TJ, Korean J. Chem. Eng., 28(10), 2076 (2011)

[3] Vu DL, Lee JW, Korean J. Chem. Eng., 33(2), 514 (2016)

[4] Choi EG, Song KH, An SR, Lee KY, Youn MH, Park KT, Jeong SK, Kim HJ, Korean J. Chem. Eng., 35(1), 73 (2018)

[5] Li W, Lu P, Xu D, Tao K, Korean J. Chem. Eng., 35(1), 110 (2018)

[6] Schimpf S, Muhler M, Methanol catalysts, in: Synthesis of Solid Catalysts, Wiley-VCH, Weinheim, 329 (2009).

[7] Whittle DM, Mirzaei AA, Hargreaves JSJ, Joyner RW, Kiely CJ, Taylor SH, Hutchings GJ, Phys. Chem. Chem. Phys., 4, 5915 (2002)

[8] Bems B, Schur M, Dassenoy A, Junkes H, Herein D, Schlogl R, Chem. Eur. J., 9, 2039 (2003)

[9] Behrens M, J. Catal., 267(1), 24 (2009)

[10] Zander S, Seidlhofer B, Behrens M, Dalton Trans., 41, 13413 (2012)

[11] Behrens M, Zander S, Kurr P, Jacobsen N, Senker J, Koch G, Ressler T, Fischer RW, Schlogl R, J. Am. Chem. Soc., 135(16), 6061 (2013)

[12] Behrens M, Kasatkin I, Kuhl S, Weinberg G, Chem. Mater., 22, 386 (2010)

[13] JeongC, Ham H, Bae JW, Kang DC, Shin CH, Baik JH, Suh YW, ChemCatChem, 9, 4484 (2017)

[14] Kim J, Jeong C, Baik JH, Suh YW, Catal. Today, in press (2018). DOI:10.1016/j.cattod.2018.09.008.

[15] Behrens M, Brennecke D, Girgsdies F, Kissner S, Trunschke A, Nasrudin N, Zakaria S, Idris NF, Abd Hamid SB, Kniep B, Fischer R, Busser W, Muhler M, Schlogl R, Appl. Catal. A: Gen., 392(1-2), 93 (2011)

[16] Fichtl MB, Schumann J, Kasatkin I, Jacobsen N, Behrens M, Schlogl R, Muhler M, Hinrichsen O, Angew. Chem.-Int. Edit., 53, 7043 (2014)

[17] Kuld S, Conradsen C, Moses PG, Chorkendorff I, Sehested J, Angew. Chem.-Int. Edit., 53, 5941 (2014)

[18] Schumann J, Lunkenbein T, Tarasov A, Thomas N, Schlogl R, Behrens M, ChemCatChem, 6, 2889 (2014)

[19] Schumann J, Eichelbaum M, Lunkenbein T, Thomas N, Galvan MCA, Schlogl R, Behrens M, ACS Catal., 5, 3260 (2015)

[20] Behrens M, Girgsdies F, Trunschke A, Schlogl R, Eur. J. Inorg. Chem., 1347 (2009).

[21] Wang YH, Gao WG, Wang H, Zheng YE, Na W, Li KZ, RSC Adv., 7, 8709 (2017)