Preparation and Characterization of Cobalt Cation-Exchanged NaX Zeolite as Catalyst for Wastewater Treatment

Takuji Yamamoto; Apiluck Eiad-ua; Seong-Ick Kim; Takao Ohmori

Journal of Industrial and Engineering Chemistry, Vol.13, No.7, 1142-1148, December, 2007

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Preparation and Characterization of Cobalt Cation-Exchanged NaX Zeolite as Catalyst for Wastewater Treatment

Takuji Yamamoto^†, Apiluck Eiad-ua¹, Seong-Ick Kim, and Takao Ohmori

National Institute of Advanced Industrial Science and Technology (AIST), Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki305-8565, Japan
¹National Metal and Materials Technology Center, National Science and Technology Development Agency (NSTDA), 114 Thailand Science Park, Pathumthani 12120

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The effect of ion exchange with Co2+ on the porous characteristics of NaX was studied. It was confirmed that Na+ in a crystal lattice of NaX could be partially exchanged with Co2+, leading to the deformation of crystal lattice by introduction of Co2+. Consequently, the specific surface area and micropore volume of Co2+-exchanged NaX (Co-NaX) decreased with an increase in the times of ion exchange. On the other hand, the volume of mesopores increased with an increase in the times of ion exchange. The performance of Co-NaX as a catalyst for wastewater treatment was evaluated by degradation of aqueous phenol in the presence of ozone. Although the effect of repeating ion exchange on the catalytic performance of Co-NaX was not significant, the degradation rate of phenol could be increased by the simultaneous use of ozone with NaX or Co-NaX compared with the case of using only ozone.

Keywords:NaX;ion exchange;porous properties;adsorption;catalytic degradation of phenol

[References]

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Dusart O, Souabi S, Mazet M, Environ. Technol., 11, 721 (1990)
Strotmann UJ, Weberruss U, Bias WR, Chemosphere, 26, 1729 (1993)
Weichgrebe D, Vogelpohl A, Chem. Eng. Process., 33(4), 199 (1994)
Adewuyi YG, Ind. Eng. Chem. Res., 40(22), 4681 (2001)
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Sutherland J, Adams C, Kekobad J, Water Res., 38, 193 (2004)
Sanchez-Polo M, von Gunten U, Rivera-Utrilla J, Water Res., 39, 3189 (2005)
Sano N, Yamamoto T, Yamamoto D, Kim SI, Eiad-Ua A, Shinomiya H, Nakaiwa M, Chem. Eng. Process., 46(6), 513 (2007)
Bae D, Seff K, Microporous Mesoporous Mater., 33, 265 (1999)
Lee JH, Kim JG, Lee JK, Kim JH, Catal. Today, 87(1-4), 35 (2003)
Law TSC, Chao C, Chan GYW, Law AKY, Atmos. Environ., 37, 5433 (2003)
Doskocil EJ, Mankidy PJ, Appl. Catal. A: Gen., 252(1), 119 (2003)
Tashiro Y, Kubo M, Katsumi Y, Meguro T, Komeya K, J. Mater. Sci., 39(4), 1315 (2004)
Wang WJ, Lin HY, Chen YW, J. Porous Mat., 12, 5 (2005)
Anpo M, Matsuoka M, Yamashita H, Ju WS, Park SE, Shul YG, J. Ind. Eng. Chem., 6(3), 133 (2000)
Hong SW, Oh SM, Park DW, Kim GJ, J. Ind. Eng. Chem., 7(6), 410 (2001)
Lee MG, Cheon JK, Kam SK, J. Ind. Eng. Chem., 9(2), 174 (2003)
Lee JD, Han GB, Park NK, Ryu SO, Lee TJ, J. Ind. Eng. Chem., 12(1), 80 (2006)
Sarbak Z, Cryst. Res. Technol., 28, 979 (1993)
Lippens BC, De Boer JH, J. Catal., 4, 319 (1965)
Dollimore D, Heal GR, J. Appl. Chem., 14, 109 (1964)
Tang Q, Zhang Q, Wang P, Wang Y, Wan H, Chem. Mater., 16, 1967 (2004)
Beutel T, Peltre MJ, Su BL, Colloids Surf. A: Physicochem. Eng. Asp., 319, 187 (2001)
Beltran FJ, Rivas FJ, Monte-de-Espinosa R, J. Chem. Technol. Biotechnol., 78(12), 1225 (2003)

[Referenced By]

[1] Guo ZF, Ma RX, Li GJ, Chem. Eng. J., 119(1), 55 (2006)

[2] Dusart O, Souabi S, Mazet M, Environ. Technol., 11, 721 (1990)

[3] Strotmann UJ, Weberruss U, Bias WR, Chemosphere, 26, 1729 (1993)

[4] Weichgrebe D, Vogelpohl A, Chem. Eng. Process., 33(4), 199 (1994)

[5] Adewuyi YG, Ind. Eng. Chem. Res., 40(22), 4681 (2001)

[6] Beltran FJ, Rivas FJ, Montero-de-Espinosa R, Appl. Catal. B: Environ., 39(3), 221 (2002)

[7] Sutherland J, Adams C, Kekobad J, Water Res., 38, 193 (2004)

[8] Sanchez-Polo M, von Gunten U, Rivera-Utrilla J, Water Res., 39, 3189 (2005)

[9] Sano N, Yamamoto T, Yamamoto D, Kim SI, Eiad-Ua A, Shinomiya H, Nakaiwa M, Chem. Eng. Process., 46(6), 513 (2007)

[10] Bae D, Seff K, Microporous Mesoporous Mater., 33, 265 (1999)

[11] Lee JH, Kim JG, Lee JK, Kim JH, Catal. Today, 87(1-4), 35 (2003)

[12] Law TSC, Chao C, Chan GYW, Law AKY, Atmos. Environ., 37, 5433 (2003)

[13] Doskocil EJ, Mankidy PJ, Appl. Catal. A: Gen., 252(1), 119 (2003)

[14] Tashiro Y, Kubo M, Katsumi Y, Meguro T, Komeya K, J. Mater. Sci., 39(4), 1315 (2004)

[15] Wang WJ, Lin HY, Chen YW, J. Porous Mat., 12, 5 (2005)

[16] Anpo M, Matsuoka M, Yamashita H, Ju WS, Park SE, Shul YG, J. Ind. Eng. Chem., 6(3), 133 (2000)

[17] Hong SW, Oh SM, Park DW, Kim GJ, J. Ind. Eng. Chem., 7(6), 410 (2001)

[18] Lee MG, Cheon JK, Kam SK, J. Ind. Eng. Chem., 9(2), 174 (2003)

[19] Lee JD, Han GB, Park NK, Ryu SO, Lee TJ, J. Ind. Eng. Chem., 12(1), 80 (2006)

[20] Sarbak Z, Cryst. Res. Technol., 28, 979 (1993)

[21] Lippens BC, De Boer JH, J. Catal., 4, 319 (1965)

[22] Dollimore D, Heal GR, J. Appl. Chem., 14, 109 (1964)

[23] Tang Q, Zhang Q, Wang P, Wang Y, Wan H, Chem. Mater., 16, 1967 (2004)

[24] Beutel T, Peltre MJ, Su BL, Colloids Surf. A: Physicochem. Eng. Asp., 319, 187 (2001)

[25] Beltran FJ, Rivas FJ, Monte-de-Espinosa R, J. Chem. Technol. Biotechnol., 78(12), 1225 (2003)