Effect of Hydrogen Treatment on the Catalytic Activity of Iron Oxide Based Materials Dispersed Over Activated Carbon: Investigations Toward Hydrogen Peroxide Decomposition
The effect of hydrogen treatment (400 °C/1 h) on the catalytic properties toward H₂O₂ decomposition of iron oxide based materials dispersed over activated carbon were investigated. Two different supports were evaluated: a commercial activated carbon (ACM) and an activated carbon produced from spent...
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| Veröffentlicht in: | Catalysis letters 2009-11, Vol.133 (1-2), p.41-48 |
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| creator | Castro, Cínthia S Oliveira, Luiz C. A Guerreiro, Mário C |
| description | The effect of hydrogen treatment (400 °C/1 h) on the catalytic properties toward H₂O₂ decomposition of iron oxide based materials dispersed over activated carbon were investigated. Two different supports were evaluated: a commercial activated carbon (ACM) and an activated carbon produced from spent coffee grounds (ACR). The catalysts were characterized using XRD, SEM, N₂-sorption, XPS and TPR analysis. The main results suggest the formation of composites with high surface area (>800 m² g⁻¹) and the hydrogen treatment resulted in a great increase in the catalytic activity, probably as a function of the reduced iron species (Fe²⁺ and Fe⁰) formed with the treatment. Moreover, the catalyst prepared with ACR showed to be more active than that prepared from ACM. |
| doi_str_mv | 10.1007/s10562-009-0167-9 |
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Moreover, the catalyst prepared with ACR showed to be more active than that prepared from ACM.</description><identifier>ISSN: 1011-372X</identifier><identifier>EISSN: 1572-879X</identifier><identifier>DOI: 10.1007/s10562-009-0167-9</identifier><language>eng</language><publisher>Boston: Boston : Springer US</publisher><subject>Activated carbon ; Adsorbents ; Catalysis ; Catalysts ; Catalytic activity ; Chemistry ; Chemistry and Materials Science ; Coffee ; Decomposition ; Dispersion ; Exact sciences and technology ; General and physical chemistry ; Hydrogen ; Hydrogen peroxide ; Industrial Chemistry/Chemical Engineering ; Iron oxides ; Organometallic Chemistry ; Physical Chemistry ; Surface physical chemistry ; Theory of reactions, general kinetics. Catalysis. 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A</creatorcontrib><creatorcontrib>Guerreiro, Mário C</creatorcontrib><title>Effect of Hydrogen Treatment on the Catalytic Activity of Iron Oxide Based Materials Dispersed Over Activated Carbon: Investigations Toward Hydrogen Peroxide Decomposition</title><title>Catalysis letters</title><addtitle>Catal Lett</addtitle><description>The effect of hydrogen treatment (400 °C/1 h) on the catalytic properties toward H₂O₂ decomposition of iron oxide based materials dispersed over activated carbon were investigated. Two different supports were evaluated: a commercial activated carbon (ACM) and an activated carbon produced from spent coffee grounds (ACR). The catalysts were characterized using XRD, SEM, N₂-sorption, XPS and TPR analysis. The main results suggest the formation of composites with high surface area (>800 m² g⁻¹) and the hydrogen treatment resulted in a great increase in the catalytic activity, probably as a function of the reduced iron species (Fe²⁺ and Fe⁰) formed with the treatment. Moreover, the catalyst prepared with ACR showed to be more active than that prepared from ACM.</description><subject>Activated carbon</subject><subject>Adsorbents</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Catalytic activity</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Coffee</subject><subject>Decomposition</subject><subject>Dispersion</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Hydrogen</subject><subject>Hydrogen peroxide</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Iron oxides</subject><subject>Organometallic Chemistry</subject><subject>Physical Chemistry</subject><subject>Surface physical chemistry</subject><subject>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</subject><subject>X ray photoelectron spectroscopy</subject><issn>1011-372X</issn><issn>1572-879X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp9kd1uEzEQhVeISpSWB-AKS4jLBf9k12vuSlpopFZBIpV6Zw3-Ca4SO4zdQJ6Jl6yXregdV7bmnPN5PNM0rxl9zyiVHzKjXc9bSlVLWS9b9aw5Zp3k7SDV7fN6p4y1QvLbF83LnO9oNUqmjps_F947U0jy5PJgMa1dJCt0ULYu1mok5YcjcyiwOZRgyJkpYR_KYfQvsMrL38E68gmys-QaisMAm0zOQ945HGvLvcMpVUVbSfg9xY9kEfcul7CGElLMZJV-AdqnDr46TH_B586k7S7lMPpOmyNf6e7V43nS3Hy-WM0v26vll8X87Ko1QtLSKquEHHpRf0ylgU50FjpPBwBlnRjAgpj5XlnTK-G9kYNRFFydHzOgBuvFSfN24u4w_byvfeq7dI-xPqk57wY16zgT1cUml8GUMzqvdxi2gAfNqB53oqed6DpqPe5Eq5p590iGbGDjEaIJ-V-Qcy5mko9sPvlyleLa4VMH_4O_mUIekoY1VvDNN05ZHUSvlBq4eACZ0ahn</recordid><startdate>20091101</startdate><enddate>20091101</enddate><creator>Castro, Cínthia S</creator><creator>Oliveira, Luiz C. 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A ; Guerreiro, Mário C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c370t-9d93786301107ca535da5f08aa9de38ada34f69dc693ffc78c90ae1051ca98df3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Activated carbon</topic><topic>Adsorbents</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Catalytic activity</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Coffee</topic><topic>Decomposition</topic><topic>Dispersion</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Hydrogen</topic><topic>Hydrogen peroxide</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Iron oxides</topic><topic>Organometallic Chemistry</topic><topic>Physical Chemistry</topic><topic>Surface physical chemistry</topic><topic>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</topic><topic>X ray photoelectron spectroscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Castro, Cínthia S</creatorcontrib><creatorcontrib>Oliveira, Luiz C. 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A</au><au>Guerreiro, Mário C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Hydrogen Treatment on the Catalytic Activity of Iron Oxide Based Materials Dispersed Over Activated Carbon: Investigations Toward Hydrogen Peroxide Decomposition</atitle><jtitle>Catalysis letters</jtitle><stitle>Catal Lett</stitle><date>2009-11-01</date><risdate>2009</risdate><volume>133</volume><issue>1-2</issue><spage>41</spage><epage>48</epage><pages>41-48</pages><issn>1011-372X</issn><eissn>1572-879X</eissn><abstract>The effect of hydrogen treatment (400 °C/1 h) on the catalytic properties toward H₂O₂ decomposition of iron oxide based materials dispersed over activated carbon were investigated. Two different supports were evaluated: a commercial activated carbon (ACM) and an activated carbon produced from spent coffee grounds (ACR). The catalysts were characterized using XRD, SEM, N₂-sorption, XPS and TPR analysis. The main results suggest the formation of composites with high surface area (>800 m² g⁻¹) and the hydrogen treatment resulted in a great increase in the catalytic activity, probably as a function of the reduced iron species (Fe²⁺ and Fe⁰) formed with the treatment. Moreover, the catalyst prepared with ACR showed to be more active than that prepared from ACM.</abstract><cop>Boston</cop><pub>Boston : Springer US</pub><doi>10.1007/s10562-009-0167-9</doi><tpages>8</tpages></addata></record> |
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| subjects | Activated carbon Adsorbents Catalysis Catalysts Catalytic activity Chemistry Chemistry and Materials Science Coffee Decomposition Dispersion Exact sciences and technology General and physical chemistry Hydrogen Hydrogen peroxide Industrial Chemistry/Chemical Engineering Iron oxides Organometallic Chemistry Physical Chemistry Surface physical chemistry Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry X ray photoelectron spectroscopy |
| title | Effect of Hydrogen Treatment on the Catalytic Activity of Iron Oxide Based Materials Dispersed Over Activated Carbon: Investigations Toward Hydrogen Peroxide Decomposition |
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