Novel heterogeneous catalysts in the wet peroxide oxidation of phenol
Catalytic wet peroxide oxidation (CWPO) of diluted aqueous solutions of phenol has been studied over a series of heterogeneous catalysts at 100 degrees C under 1 MPa air pressure. Several catalysts were prepared and tested including zeolitic materials exchanged with metallic ions such as Fe and Cu a...
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| Veröffentlicht in: | Water science and technology 2001-01, Vol.44 (5), p.153-160 |
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| creator | OVEJERO, G SOTELO, J. L MARTINEZ, F GORDO, L |
| description | Catalytic wet peroxide oxidation (CWPO) of diluted aqueous solutions of phenol has been studied over a series of heterogeneous catalysts at 100 degrees C under 1 MPa air pressure. Several catalysts were prepared and tested including zeolitic materials exchanged with metallic ions such as Fe and Cu and different mixed oxides. Likewise, a Fe-TS-1 zeolite was synthesised by isomorphous substitution of Si atoms by Fe and Ti into the MFI zeolitic framework through hydrothermal synthesis of wetness-impregnated Fe2O3-TiO2-SiO2 xerogels. This material showed a complete phenol removal and TOC reduction of up to 68% under the reaction conditions, with a low leaching of iron species as compared to Fe-exchanged zeolitic materials. Perovskite of type LaTi(0.45)Cu(0.55)O3 was also tested, showing copper leaching of 22%, with a TOC conversion of 93% and total phenol removal. The capacity of Fe and Cu containing catalysts to promote free radicals in the presence of H2O2 as well as the thermal decomposition of the oxidant under the reaction conditions have also been studied. In the absence of hydrogen peroxide, Fe and Cu catalysts were not effective in order to decrease TOC content. |
| doi_str_mv | 10.2166/wst.2001.0275 |
| format | Article |
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L ; MARTINEZ, F ; GORDO, L</creator><contributor>Vogelpohl, A ; Geissen, S ; Kragert, B ; Sievers, M</contributor><creatorcontrib>OVEJERO, G ; SOTELO, J. L ; MARTINEZ, F ; GORDO, L ; Vogelpohl, A ; Geissen, S ; Kragert, B ; Sievers, M</creatorcontrib><description>Catalytic wet peroxide oxidation (CWPO) of diluted aqueous solutions of phenol has been studied over a series of heterogeneous catalysts at 100 degrees C under 1 MPa air pressure. Several catalysts were prepared and tested including zeolitic materials exchanged with metallic ions such as Fe and Cu and different mixed oxides. Likewise, a Fe-TS-1 zeolite was synthesised by isomorphous substitution of Si atoms by Fe and Ti into the MFI zeolitic framework through hydrothermal synthesis of wetness-impregnated Fe2O3-TiO2-SiO2 xerogels. This material showed a complete phenol removal and TOC reduction of up to 68% under the reaction conditions, with a low leaching of iron species as compared to Fe-exchanged zeolitic materials. Perovskite of type LaTi(0.45)Cu(0.55)O3 was also tested, showing copper leaching of 22%, with a TOC conversion of 93% and total phenol removal. The capacity of Fe and Cu containing catalysts to promote free radicals in the presence of H2O2 as well as the thermal decomposition of the oxidant under the reaction conditions have also been studied. In the absence of hydrogen peroxide, Fe and Cu catalysts were not effective in order to decrease TOC content.</description><identifier>ISSN: 0273-1223</identifier><identifier>ISBN: 1843394022</identifier><identifier>ISBN: 9781843394020</identifier><identifier>EISSN: 1996-9732</identifier><identifier>DOI: 10.2166/wst.2001.0275</identifier><identifier>PMID: 11695454</identifier><identifier>CODEN: WSTED4</identifier><language>eng</language><publisher>London: IWA</publisher><subject>Applied sciences ; Aqueous solutions ; Calcium Compounds - chemistry ; Catalysis ; Catalysts ; Copper ; Copper - chemistry ; Copper converters ; Decomposition reactions ; Exact sciences and technology ; Free radicals ; Hydrogen peroxide ; Hydrogen Peroxide - chemistry ; Industrial Waste ; Industrial wastewaters ; Iron ; Iron - chemistry ; Leaching ; Mixed oxides ; Moisture content ; Oxidants - chemistry ; Oxidation ; Oxidation-Reduction ; Oxides ; Oxides - chemistry ; Oxidizing agents ; Perovskites ; Phenol - chemistry ; Phenols ; Pollution ; Pressure ; Removal ; Silica ; Silicon dioxide ; Substitution reactions ; Temperature ; Thermal decomposition ; Thermal degradation ; Titanium ; Titanium - chemistry ; Titanium dioxide ; Total organic carbon ; Waste Disposal, Fluid - methods ; Wastewaters ; Water treatment and pollution ; Xerogels ; Zeolites</subject><ispartof>Water science and technology, 2001-01, Vol.44 (5), p.153-160</ispartof><rights>2002 INIST-CNRS</rights><rights>Copyright IWA Publishing Sep 2001</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c440t-9a4aa73bab9d17d17927e4833d7f8e999aea196befb4fbf796d8a817a897a8373</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>310,311,315,782,786,791,792,23939,23940,25149,27933,27934</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14044164$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11695454$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Vogelpohl, A</contributor><contributor>Geissen, S</contributor><contributor>Kragert, B</contributor><contributor>Sievers, M</contributor><creatorcontrib>OVEJERO, G</creatorcontrib><creatorcontrib>SOTELO, J. L</creatorcontrib><creatorcontrib>MARTINEZ, F</creatorcontrib><creatorcontrib>GORDO, L</creatorcontrib><title>Novel heterogeneous catalysts in the wet peroxide oxidation of phenol</title><title>Water science and technology</title><addtitle>Water Sci Technol</addtitle><description>Catalytic wet peroxide oxidation (CWPO) of diluted aqueous solutions of phenol has been studied over a series of heterogeneous catalysts at 100 degrees C under 1 MPa air pressure. Several catalysts were prepared and tested including zeolitic materials exchanged with metallic ions such as Fe and Cu and different mixed oxides. Likewise, a Fe-TS-1 zeolite was synthesised by isomorphous substitution of Si atoms by Fe and Ti into the MFI zeolitic framework through hydrothermal synthesis of wetness-impregnated Fe2O3-TiO2-SiO2 xerogels. This material showed a complete phenol removal and TOC reduction of up to 68% under the reaction conditions, with a low leaching of iron species as compared to Fe-exchanged zeolitic materials. Perovskite of type LaTi(0.45)Cu(0.55)O3 was also tested, showing copper leaching of 22%, with a TOC conversion of 93% and total phenol removal. The capacity of Fe and Cu containing catalysts to promote free radicals in the presence of H2O2 as well as the thermal decomposition of the oxidant under the reaction conditions have also been studied. In the absence of hydrogen peroxide, Fe and Cu catalysts were not effective in order to decrease TOC content.</description><subject>Applied sciences</subject><subject>Aqueous solutions</subject><subject>Calcium Compounds - chemistry</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Copper</subject><subject>Copper - chemistry</subject><subject>Copper converters</subject><subject>Decomposition reactions</subject><subject>Exact sciences and technology</subject><subject>Free radicals</subject><subject>Hydrogen peroxide</subject><subject>Hydrogen Peroxide - chemistry</subject><subject>Industrial Waste</subject><subject>Industrial wastewaters</subject><subject>Iron</subject><subject>Iron - chemistry</subject><subject>Leaching</subject><subject>Mixed oxides</subject><subject>Moisture content</subject><subject>Oxidants - chemistry</subject><subject>Oxidation</subject><subject>Oxidation-Reduction</subject><subject>Oxides</subject><subject>Oxides - chemistry</subject><subject>Oxidizing agents</subject><subject>Perovskites</subject><subject>Phenol - chemistry</subject><subject>Phenols</subject><subject>Pollution</subject><subject>Pressure</subject><subject>Removal</subject><subject>Silica</subject><subject>Silicon dioxide</subject><subject>Substitution reactions</subject><subject>Temperature</subject><subject>Thermal decomposition</subject><subject>Thermal degradation</subject><subject>Titanium</subject><subject>Titanium - chemistry</subject><subject>Titanium dioxide</subject><subject>Total organic carbon</subject><subject>Waste Disposal, Fluid - methods</subject><subject>Wastewaters</subject><subject>Water treatment and pollution</subject><subject>Xerogels</subject><subject>Zeolites</subject><issn>0273-1223</issn><issn>1996-9732</issn><isbn>1843394022</isbn><isbn>9781843394020</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqF0U1v1DAQBmCLD9Ft4cgVWULllsVjT-zMEVUtIFVwgbPlJBM2VTZeYm9L_z1eulIlLpU89mEejTx6hXgLaq3B2o93Ka-1UrBW2tXPxAqIbEXO6OfiFBo0hlBp_UKsSt9UoLU5Eacp3SilnEH1SpwAWKqxxpW4_BZveZIbzrzEXzxz3CfZhRym-5STHGeZNyzvOMtdAX_GnuXhDnmMs4yD3G14jtNr8XIIU-I3x_dM_Ly6_HHxpbr-_vnrxafrqkNUuaKAITjThpZ6cOWQdoyNMb0bGiaiwAHItjy0OLSDI9s3oQEXGiplnDkTHx7m7pb4e88p--2YOp6m8O_jXpOzgFQ_CcGCqR3apyHWpBCgwPf_wZu4X-ayrdfaOmhUWaao6kF1S0xp4cHvlnEblnsPyh_C8yU8fwjPH8Ir_t1x6r7dcv-ojwEVcH4EIXVhGpYwd2N6dKgQwaL5Cz0jnw8</recordid><startdate>20010101</startdate><enddate>20010101</enddate><creator>OVEJERO, G</creator><creator>SOTELO, J. 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L</au><au>MARTINEZ, F</au><au>GORDO, L</au><au>Vogelpohl, A</au><au>Geissen, S</au><au>Kragert, B</au><au>Sievers, M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Novel heterogeneous catalysts in the wet peroxide oxidation of phenol</atitle><jtitle>Water science and technology</jtitle><addtitle>Water Sci Technol</addtitle><date>2001-01-01</date><risdate>2001</risdate><volume>44</volume><issue>5</issue><spage>153</spage><epage>160</epage><pages>153-160</pages><issn>0273-1223</issn><eissn>1996-9732</eissn><isbn>1843394022</isbn><isbn>9781843394020</isbn><coden>WSTED4</coden><abstract>Catalytic wet peroxide oxidation (CWPO) of diluted aqueous solutions of phenol has been studied over a series of heterogeneous catalysts at 100 degrees C under 1 MPa air pressure. Several catalysts were prepared and tested including zeolitic materials exchanged with metallic ions such as Fe and Cu and different mixed oxides. Likewise, a Fe-TS-1 zeolite was synthesised by isomorphous substitution of Si atoms by Fe and Ti into the MFI zeolitic framework through hydrothermal synthesis of wetness-impregnated Fe2O3-TiO2-SiO2 xerogels. This material showed a complete phenol removal and TOC reduction of up to 68% under the reaction conditions, with a low leaching of iron species as compared to Fe-exchanged zeolitic materials. Perovskite of type LaTi(0.45)Cu(0.55)O3 was also tested, showing copper leaching of 22%, with a TOC conversion of 93% and total phenol removal. The capacity of Fe and Cu containing catalysts to promote free radicals in the presence of H2O2 as well as the thermal decomposition of the oxidant under the reaction conditions have also been studied. In the absence of hydrogen peroxide, Fe and Cu catalysts were not effective in order to decrease TOC content.</abstract><cop>London</cop><pub>IWA</pub><pmid>11695454</pmid><doi>10.2166/wst.2001.0275</doi><tpages>8</tpages></addata></record> |
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| identifier | ISSN: 0273-1223 |
| ispartof | Water science and technology, 2001-01, Vol.44 (5), p.153-160 |
| issn | 0273-1223 1996-9732 |
| language | eng |
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| source | MEDLINE; Free E-Journal (出版社公開部分のみ） |
| subjects | Applied sciences Aqueous solutions Calcium Compounds - chemistry Catalysis Catalysts Copper Copper - chemistry Copper converters Decomposition reactions Exact sciences and technology Free radicals Hydrogen peroxide Hydrogen Peroxide - chemistry Industrial Waste Industrial wastewaters Iron Iron - chemistry Leaching Mixed oxides Moisture content Oxidants - chemistry Oxidation Oxidation-Reduction Oxides Oxides - chemistry Oxidizing agents Perovskites Phenol - chemistry Phenols Pollution Pressure Removal Silica Silicon dioxide Substitution reactions Temperature Thermal decomposition Thermal degradation Titanium Titanium - chemistry Titanium dioxide Total organic carbon Waste Disposal, Fluid - methods Wastewaters Water treatment and pollution Xerogels Zeolites |
| title | Novel heterogeneous catalysts in the wet peroxide oxidation of phenol |
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