Preparation of CeO2-ZrO2 mixed oxide with high surface area and high thermal stability

Dong Zhang

Korean Journal of Chemical Engineering, Vol.25, No.5, 1205-1207, September, 2008

DOI10.1007/s11814-008-0199-7 Export Citation

Preparation of CeO2-ZrO2 mixed oxide with high surface area and high thermal stability

Dong Zhang^†

Department of Catalysis Science and Technology, School of Chemical Engineering, Tianjin University, Tianjin 300072, China

E-mail:

Ceria-zirconia solid particles have been recognized as a key material of the automotive exhaust catalysts since they can release and uptake oxygen owing to the rapid reversible oxidation states of cerium between Ce3+ and Ce4+. Several methods have recently been described to prepare the CeO2-ZrO2 solid particles used in the catalysts. In this paper, a new coprecipitation method is used to prepare the CeO2-ZrO2 solid particles. The Ce-Zr alcogel is dried and calcined in flowing N2 not in flowing air under atmospheric pressure. The results show that the ceria-zirconia sample calcined at 650℃ has high surface area over 90 m2g-1, which drops to 40 m2g-1 following treatment at 900 ℃.

Keywords:Ceria-zirconia Solid Particles;High Surface Area;Thermal Stability;A New Co-precipitation Method

[References]

Trovarelli A, Catal. Rev.-Sci. Eng., 38(4), 439 (1996)
Fornasiero P, Balducci G, Kaspar J, Meriani S, Dimonte R, Graziani M, Catal. Today, 29(1-4), 47 (1996)
Summers JC, Sawyer JE, Frost AC, ACS Symp. Ser., 495, 98 (1992)
Farrauto RJ, Heck RM, Catal. Today, 51(3-4), 351 (1999)
Kaspar J, Fornasiero P, Graziani M, Catal. Today, 50(2), 285 (1999)
Shin BS, Bae JH, Yoo JP, Choung SJ, Song YI, Yeo GK, Korean J. Chem. Eng., 15(5), 474 (1998)
Liu ZW, Jun KW, Roh HS, Park SE, Oh YS, Korean J. Chem. Eng., 19(5), 735 (2002)
Praharso, Adesina AA, Trimm DL, Cant NW, Korean J. Chem. Eng., 20(3), 468 (2003)
Suda A, Kandori T, Terao N, Ukyo Y, Sobukawa H, Sugiura M, J. Mater. Sci. Lett., 17(2), 89 (1998)
Rossignol S, Madier Y, Duprez D, Catal. Today, 50(2), 261 (1999)
Kapoor MP, Raj A, Matsumura Y, Microporous Mesoporous Mater., 44-45, 565 (2001)
Yoshioka T, Dosaka K, Sato T, Okuwaki A, Tanno S, Miura T, J. Mater. Sci. Lett., 11, 51 (1992)
Settu T, Gobinathan R, Bull. Chem. Soc. Jpn., 67, 1999 (1994)
Prakash AS, Khadar AMA, Patil KC, Hegde MS, J. Mater. Synth. Process., 10, 135 (2002)
Luo MF, Lu GL, Zheng XM, Zhong YJ, Wu TH, J. Mater. Sci. Lett., 17(18), 1553 (1998)
Martinez-Arias A, Fernandez-Garcia M, Ballesteros V, Salamanca LN, Conesa JC, Otero C, Soria J, Langmuir, 15(14), 4796 (1999)
Fornasiero P, Balducci G, Dimonte R, Kaspar J, Sergo V, Gubitosa G, Ferrero A, Graziani M, J. Catal., 164(1), 173 (1996)
Deleitenburg C, Trovarelli A, Llorca J, Cavani F, Bini G, Appl. Catal. A: Gen., 139(1-2), 161 (1996)
Sun Y, Sermon PA, J. Mater. Chem., 6, 1025 (1996)
Yao MH, Baird RJ, Kunz FW, Hoost TE, J. Catal., 166(1), 67 (1997)
Xu BQ, Wei JM, Yu YT, Li JL, Zhu QM, Top. Catal., 22, 77 (2003)

[Referenced By]

[1] Trovarelli A, Catal. Rev.-Sci. Eng., 38(4), 439 (1996)

[2] Fornasiero P, Balducci G, Kaspar J, Meriani S, Dimonte R, Graziani M, Catal. Today, 29(1-4), 47 (1996)

[3] Summers JC, Sawyer JE, Frost AC, ACS Symp. Ser., 495, 98 (1992)

[4] Farrauto RJ, Heck RM, Catal. Today, 51(3-4), 351 (1999)

[5] Kaspar J, Fornasiero P, Graziani M, Catal. Today, 50(2), 285 (1999)

[6] Shin BS, Bae JH, Yoo JP, Choung SJ, Song YI, Yeo GK, Korean J. Chem. Eng., 15(5), 474 (1998)

[7] Liu ZW, Jun KW, Roh HS, Park SE, Oh YS, Korean J. Chem. Eng., 19(5), 735 (2002)

[8] Praharso, Adesina AA, Trimm DL, Cant NW, Korean J. Chem. Eng., 20(3), 468 (2003)

[9] Suda A, Kandori T, Terao N, Ukyo Y, Sobukawa H, Sugiura M, J. Mater. Sci. Lett., 17(2), 89 (1998)

[10] Rossignol S, Madier Y, Duprez D, Catal. Today, 50(2), 261 (1999)

[11] Kapoor MP, Raj A, Matsumura Y, Microporous Mesoporous Mater., 44-45, 565 (2001)

[12] Yoshioka T, Dosaka K, Sato T, Okuwaki A, Tanno S, Miura T, J. Mater. Sci. Lett., 11, 51 (1992)

[13] Settu T, Gobinathan R, Bull. Chem. Soc. Jpn., 67, 1999 (1994)

[14] Prakash AS, Khadar AMA, Patil KC, Hegde MS, J. Mater. Synth. Process., 10, 135 (2002)

[15] Luo MF, Lu GL, Zheng XM, Zhong YJ, Wu TH, J. Mater. Sci. Lett., 17(18), 1553 (1998)

[16] Martinez-Arias A, Fernandez-Garcia M, Ballesteros V, Salamanca LN, Conesa JC, Otero C, Soria J, Langmuir, 15(14), 4796 (1999)

[17] Fornasiero P, Balducci G, Dimonte R, Kaspar J, Sergo V, Gubitosa G, Ferrero A, Graziani M, J. Catal., 164(1), 173 (1996)

[18] Deleitenburg C, Trovarelli A, Llorca J, Cavani F, Bini G, Appl. Catal. A: Gen., 139(1-2), 161 (1996)

[19] Sun Y, Sermon PA, J. Mater. Chem., 6, 1025 (1996)

[20] Yao MH, Baird RJ, Kunz FW, Hoost TE, J. Catal., 166(1), 67 (1997)

[21] Xu BQ, Wei JM, Yu YT, Li JL, Zhu QM, Top. Catal., 22, 77 (2003)