Catalytic properties of Ag/Al2O3 catalysts for lean NOx reduction processes and characterisation of active silver species. Iglesias-Juez, A, Fernández-García, M, Martínez-Arias, A, Schay, Z, Koppányb, Z., Hungría, A B, Fuerte, A, Anderson, J A, Conesa, J C, & Soria, J Topics in Catalysis, 30-31:65–70, Inst. de Catalisis y Petroleoquimica, CSIC, Campus Cantoblanco, C/ Marie Curie, 28049 Madrid, Spain, 2004.
Paper abstract bibtex A study of the lean NOx reduction activity employing different reductants over Ag/Al2O3 samples prepared from reverse microemulsions or impregnation with EDTA-complexes was carried out. A multitechnique approach was employed for characterization of the samples and/or processes taking place in the course of the NOx-SCR reaction with propylene and propane. In agreement with previous reports, the higher activity of samples with intermediate Ag loadings with samples prepared from silver-EDTA complexes presented slightly higher overall activities for the selective process. The main path for propylene activation was in the formation of acrylate-type species. The nature of Ag sites active for the SCR process was related to well dispersed silver aluminate-like phases with tetrahedral local symmetry and a relatively high disorder in the oxygen first shell.
@article{Iglesias-Juez2004,
abstract = {A study of the lean NOx reduction activity employing different reductants over Ag/Al2O3 samples prepared from reverse microemulsions or impregnation with EDTA-complexes was carried out. A multitechnique approach was employed for characterization of the samples and/or processes taking place in the course of the NOx-SCR reaction with propylene and propane. In agreement with previous reports, the higher activity of samples with intermediate Ag loadings with samples prepared from silver-EDTA complexes presented slightly higher overall activities for the selective process. The main path for propylene activation was in the formation of acrylate-type species. The nature of Ag sites active for the SCR process was related to well dispersed silver aluminate-like phases with tetrahedral local symmetry and a relatively high disorder in the oxygen first shell.},
address = {Inst. de Catalisis y Petroleoquimica, CSIC, Campus Cantoblanco, C/ Marie Curie, 28049 Madrid, Spain},
annote = {Cited By (since 1996): 7
Export Date: 15 January 2013
Source: Scopus
CODEN: TOCAF
Language of Original Document: English
Correspondence Address: Mart\'{\i}nez-Arias, A.; Inst. de Catalisis y Petroleoquimica, CSIC, Campus Cantoblanco, C/ Marie Curie, 28049 Madrid, Spain; email: amartinez@icp.scic.es
References: Miyadera, T., (1993) Appl. Catal. B, 2, p. 199;
Bethke, K.A., Kung, H.H., (1997) J. Catal., 172, p. 93;
Shimizu, K., Satsuma, A., Hattori, T., (2000) Appl. Catal. B, 25, p. 239;
Mart\'{\i}nez-Arias, A., Fern\'{a}ndez-Garc\'{\i}a, M., Iglesias-Juez, A., Anderson, J.A., Conesa, J.C., Soria, J., (2000) Appl. Catal. B, 28, p. 29;
Meunier, F.C., Ukropec, R., Stapleton, C., Ross, J.R.H., (2001) Appl. Catal. B, 30, p. 163;
Angelidis, T.N., Kruse, N., (2001) Appl. Catal. B, 34, p. 201;
Satokawa, S., Shibata, J., Shimizu, K., Satsuma, A., Hattori, T., (2003) Appl. Catal. B, 42, p. 179;
Nakatsuji, T., Yasukawa, R., Tabata, K., Ueda, K., Niwa, M., (1998) Appl. Catal. B, 17, p. 93;
Wang, Z.M., Yamaguchi, M., Goto, I., Kumagai, M., (2000) Phys. Chem. Chem. Phys., 2, p. 3007;
Lee, J., Yezerets, A., Kung, M.C., Kung, H.H., (2001) Chem. Commun., p. 1404;
Iglesias-Juez, A., Hungr\'{\i}a, A.B., Mart\'{\i}nez-Arias, A., Fuerte, A., Fern\'{a}ndez-Garc\'{\i}a, M., Anderson, J.A., Conesa, J.C., Soria, J., (2003) J. Catal., 217, p. 310;
Bogdanchikova, N., Meunier, F.C., Avalos-Borja, M., Breen, J.P., Pestryakov, A., (2002) Appl. Catal. B, 36, p. 287},
author = {Iglesias-Juez, A and Fern\'{a}ndez-Garc\'{\i}a, M and Mart\'{\i}nez-Arias, A and Schay, Z and Kopp\'{a}nyb, Zs. and Hungr\'{\i}a, A B and Fuerte, A and Anderson, J A and Conesa, J C and Soria, J},
editor = {N., Kruse and A., Frennet and J.M., Bastin and T., Visart de Bocarme},
issn = {10225528 (ISSN)},
journal = {Topics in Catalysis},
keywords = {Ag/Al2O3 catalysts,In situ-DRIFTS,NOx-HC-SCR,UV-vis,XAFS},
pages = {65--70},
series = {6th Congress on Catalysis and Automotive Pollution Control},
title = {{Catalytic properties of Ag/Al2O3 catalysts for lean NOx reduction processes and characterisation of active silver species}},
url = {https://www.scopus.com/inward/record.url?eid=2-s2.0-3042710099&partnerID=40&md5=52174ba23e46162ed198d429f55b8c6f},
volume = {30-31},
year = {2004}
}
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A multitechnique approach was employed for characterization of the samples and/or processes taking place in the course of the NOx-SCR reaction with propylene and propane. In agreement with previous reports, the higher activity of samples with intermediate Ag loadings with samples prepared from silver-EDTA complexes presented slightly higher overall activities for the selective process. The main path for propylene activation was in the formation of acrylate-type species. The nature of Ag sites active for the SCR process was related to well dispersed silver aluminate-like phases with tetrahedral local symmetry and a relatively high disorder in the oxygen first shell.","address":"Inst. de Catalisis y Petroleoquimica, CSIC, Campus Cantoblanco, C/ Marie Curie, 28049 Madrid, Spain","annote":"Cited By (since 1996): 7 Export Date: 15 January 2013 Source: Scopus CODEN: TOCAF Language of Original Document: English Correspondence Address: Martínez-Arias, A.; Inst. de Catalisis y Petroleoquimica, CSIC, Campus Cantoblanco, C/ Marie Curie, 28049 Madrid, Spain; email: amartinez@icp.scic.es References: Miyadera, T., (1993) Appl. Catal. B, 2, p. 199; Bethke, K.A., Kung, H.H., (1997) J. Catal., 172, p. 93; Shimizu, K., Satsuma, A., Hattori, T., (2000) Appl. Catal. B, 25, p. 239; Martínez-Arias, A., Fernández-García, M., Iglesias-Juez, A., Anderson, J.A., Conesa, J.C., Soria, J., (2000) Appl. Catal. B, 28, p. 29; Meunier, F.C., Ukropec, R., Stapleton, C., Ross, J.R.H., (2001) Appl. Catal. B, 30, p. 163; Angelidis, T.N., Kruse, N., (2001) Appl. Catal. B, 34, p. 201; Satokawa, S., Shibata, J., Shimizu, K., Satsuma, A., Hattori, T., (2003) Appl. Catal. B, 42, p. 179; Nakatsuji, T., Yasukawa, R., Tabata, K., Ueda, K., Niwa, M., (1998) Appl. Catal. B, 17, p. 93; Wang, Z.M., Yamaguchi, M., Goto, I., Kumagai, M., (2000) Phys. Chem. Chem. Phys., 2, p. 3007; Lee, J., Yezerets, A., Kung, M.C., Kung, H.H., (2001) Chem. Commun., p. 1404; Iglesias-Juez, A., Hungría, A.B., Martínez-Arias, A., Fuerte, A., Fernández-García, M., Anderson, J.A., Conesa, J.C., Soria, J., (2003) J. Catal., 217, p. 310; Bogdanchikova, N., Meunier, F.C., Avalos-Borja, M., Breen, J.P., Pestryakov, A., (2002) Appl. Catal. 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A multitechnique approach was employed for characterization of the samples and/or processes taking place in the course of the NOx-SCR reaction with propylene and propane. In agreement with previous reports, the higher activity of samples with intermediate Ag loadings with samples prepared from silver-EDTA complexes presented slightly higher overall activities for the selective process. The main path for propylene activation was in the formation of acrylate-type species. 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