Structural features of AgCaCdMg2(PO4)(3) and AgCd2Mg2(PO4)(3), two new compounds with the alluaudite-type structure, and their catalytic activity in butan-2-of conversion
Kacimi, M.; Ziyad, M.; Hatert, Frédéric
2005 • In Materials Research Bulletin, 40 (4), p. 682-693
[en] AgCaCdMg2(PO4)3 and AgCd2Mg2(PO4)(3), two new compounds with the alluaudite-type structure, were synthesized by a solid state reaction in air at 750 degrees C. The X-ray powder diffraction pattern of AgCaCdMg2(PO4)(3) indicates the presence of small amounts of (Ca, Mg)(3)(PO4)(2) with the whitlockite structure, as impurity, whereas AgCd2Mg2(PO4)(3) is constituted by pure alluaudite. The Rietveld refinements of the X-ray powder diffraction patterns indicate an ordered cationic distribution for AgCd2Mg2(PO4)(3), with Ag on A(2)', Cd on A(1) and M(1), and Mg on M(2), whereas a disordered distribution of Cd and Ca between the A(1) and M(1) sites is observed for AgCaCdMg2(PO4)(3). The catalytic properties of these compounds has been measured in reaction of butan-2-ol dehydrogenation. In the absence of oxygen, both samples exhibit poor dehydrogenation activity. All samples displayed no dehydration activity. Introduction of oxygen into the feed changed totally the catalytic behavior of the catalysts. The production of methyl ethyl ketone increases with time on stream and the reaction temperature. AgCaCdMg2(PO4)(3) is more efficient than AgCd2Mg2(PO4)(3). (c) 2005 Elsevier Ltd. All rights reserved.
Disciplines :
Chemistry Earth sciences & physical geography
Author, co-author :
Kacimi, M.
Ziyad, M.
Hatert, Frédéric ; Université de Liège - ULiège > Département de géologie > Minéralogie et cristallochimie
Language :
English
Title :
Structural features of AgCaCdMg2(PO4)(3) and AgCd2Mg2(PO4)(3), two new compounds with the alluaudite-type structure, and their catalytic activity in butan-2-of conversion
Publication date :
20 April 2005
Journal title :
Materials Research Bulletin
ISSN :
0025-5408
Publisher :
Pergamon-Elsevier Science Ltd, Oxford, United Kingdom
A. Serghini, M. Kacimi, R. Brochu, and M. Ziyad J. Chim. Phys. 85 4 1988 499
Y. Brik, M. Kacimi, F. Bozon-Verduraz, and M. Ziyad Micropor. Mesopor. Mater. 43 1 2001 103
S. Arsalane, M. Kacimi, M. Ziyad, G. Coudurier, and J.C. Védrine Appl. Catal. 114 1994 243
M. Ziyad, S. Arsalane, M. Kacimi, G. Coudurier, J.-M. Millet, and J.C. Vedrine Appl. Catal. 147 1996 363
A. Benarafa, M. Kacimi, S. Gharbage, J.-M. Millet, and M. Ziyad Mater. Res. Bull. 35 2000 2047
A. Benarafa, M. Kacimi, G. Coudurier, and M. Ziyad Appl. Catal. A 196 2000 25
P.B. Moore Am. Miner. 56 1971 1955
E.R. Losilla, S. Bruque, M.A.G. Aranda, L. Moreno-Real, E. Morin, and M. Quarton Solid State Ion. 112 1998 53
T.E. Warner, M. Milius, and J. Maier J. Solid State Chem. 106 1993 301
T.E. Warner, and J. Maier Mater. Sci. Eng. B 23 1994 88
N. Chouaibi, A. Daidouh, C. Pico, A. Santrich, and M.L. Veiga J. Solid State Chem. 159 2001 46
D. Kulkarni, and I.E. Wachs Appl. Catal. A: Gen. 6162 2002 1
D. Antenucci, A.M. Fransolet, G. Miehe, and P. Tarte Eur. J. Miner. 7 1995 175
S. Arsalane, K. Oulad Haj Ali, M. Kacimi, R. Brochu, and M. Ziyad J. Chim. Phys. 92 1995 1428
O.V. Yakubovich, M.A. Simonov, Y.K. Egorov-Tismenko, and N.V. Belov Sov. Phys. Dokl. 22 1977 550
D. Antenucci, Ph.D. Thesis, University of Liège, 1992, 259 pp.
F. Leroux, A. Mar, C. Payen, D. Guyomar, A. Verbaere, and Y. Piffard J. Solid State Chem. 115 1995 240
F. Leroux, A. Mar, D. Guyomar, and Y. Piffard J. Solid State Chem. 117 1995 206
K.H. Lii, and J. Ye J. Solid State Chem. 131 1997 131
M.B. Korzenski, G.L. Schimek, J.W. Kolis, and G.J. Long J. Solid State Chem. 139 1998 152
F. Hatert, P. Keller, F. Lissner, D. Antenucci, and A.-M. Fransolet Eur. J. Miner. 12 2000 847
F. Hatert, D. Antenucci, A.-M. Fransolet, and M. Liégeois- Duyckaerts J. Solid State Chem. 163 2002 194
A. Guesmi, and A. Driss Acta Cryst. C58 2002 i16
A. Daidouh, C. Durio, C. Pico, M.L. Veiga, N. Chouaibi, and A. Ouassini Solid State Sci. 4 2002 541
R. Ben Smail, and T. Jouini Acta Cryst. C58 2002 i61
A. Brahim, and H. Amor Acta Cryst. E59 2003 i77
F. Hatert, R.P. Hermann, G.J. Long, A.-M. Fransolet, and F. Grandjean Am. Miner. 88 2003 211
M. Hidouri, B. Lajmi, A. Driss, and M. Ben Amara Acta Cryst. E59 2003 i7
C.W. Burnham, LCLSQ version 8.4, least-squares refinement of crystallographic lattice parameters, Department of Earth and Planetary Science, Harvard University, 1991.
R.A. Young, A.C. Larson, C.O. Paiva-Santos, User's guide to program DBWS-9807 for Rietveld analysis of X-ray and neutron powder diffraction patterns, School of Physics, Georgia Institute of Technology, Atlanta, 1998, 56 pp.
R.D. Shannon Acta Cryst. A32 1976 751
A. Rulmont, R. Cahay, M. Liégeois-Duyckaerts, and P. Tarte Eur. J. Solid State Inorg. Chem. 28 1991 207
D. Antenucci, G. Miehe, P. Tarte, W.W. Schmahl, and A.-M. Fransolet Eur. J. Miner. 5 1993 207