Catalytic removal of phenol from gas streams by perovskite-type catalysts
Three perovskite-type catalysts prepared by citric acid method are applied to remove phenol from gas streams with the total flow rate of 300 mL/min, corresponding to a GHSV of 10,000/hr. LaMnO3 catalyst is first prepared and further partially substituted with Sr and Cu to prepare Lao.sSro.2MnO3 and...
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| Veröffentlicht in: | Journal of environmental sciences (China) 2017-06, Vol.56 (6), p.131-139 |
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| creator | Chen, Dai Ling Pan, Kuan Lun Chang, Moo Been |
| description | Three perovskite-type catalysts prepared by citric acid method are applied to remove phenol from gas streams with the total flow rate of 300 mL/min, corresponding to a GHSV of 10,000/hr. LaMnO3 catalyst is first prepared and further partially substituted with Sr and Cu to prepare Lao.sSro.2MnO3 and Lao.sSro.2Mno.sCuo.203, and catalytic activities and fundamen- tal characteristics of these three catalysts are compared. The results show that phenol removal efficiency achieved with Lao.sSro.2Mno.sCuo.203 reaches 100% with the operating temperature of 200℃ and the rate of mineralization at 300℃ is up to 100%, while the phenol removal efficiencies achieved with Lao.sSro.2MnO3 and LaMnO3 are up to 100% with the operating temperature of 300℃ and 400℃, respectively. X-ray photoelectron spectroscopy （XPS） analysis shows that the addition of Sr and Cu increases the lattice oxygen of Lao.sSro.2Mno.sCuo.203, and further increases mobility or availability of lattice oxygen. The results indicate that Lao.sSro.2Mno.sCuo.203 has the best activity for phenol removal among three catalysts prepared and the catalytic activity of phenol oxidation is enhanced by the introduction of Sr and Cu into LaMnO3. Apparent activation energy of 48 kJ/mol is calculated by Mars-Van Krevelen Model for phenol oxidation with Lao.sSro.2Mno.sCuo.203 as catalyst. |
| doi_str_mv | 10.1016/j.jes.2016.04.031 |
| format | Article |
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LaMnO3 catalyst is first prepared and further partially substituted with Sr and Cu to prepare Lao.sSro.2MnO3 and Lao.sSro.2Mno.sCuo.203, and catalytic activities and fundamen- tal characteristics of these three catalysts are compared. The results show that phenol removal efficiency achieved with Lao.sSro.2Mno.sCuo.203 reaches 100% with the operating temperature of 200℃ and the rate of mineralization at 300℃ is up to 100%, while the phenol removal efficiencies achieved with Lao.sSro.2MnO3 and LaMnO3 are up to 100% with the operating temperature of 300℃ and 400℃, respectively. X-ray photoelectron spectroscopy （XPS） analysis shows that the addition of Sr and Cu increases the lattice oxygen of Lao.sSro.2Mno.sCuo.203, and further increases mobility or availability of lattice oxygen. The results indicate that Lao.sSro.2Mno.sCuo.203 has the best activity for phenol removal among three catalysts prepared and the catalytic activity of phenol oxidation is enhanced by the introduction of Sr and Cu into LaMnO3. Apparent activation energy of 48 kJ/mol is calculated by Mars-Van Krevelen Model for phenol oxidation with Lao.sSro.2Mno.sCuo.203 as catalyst.</description><identifier>ISSN: 1001-0742</identifier><identifier>EISSN: 1878-7320</identifier><identifier>DOI: 10.1016/j.jes.2016.04.031</identifier><identifier>PMID: 28571848</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Activation energy ; Air Pollutants - chemistry ; Calcium Compounds ; Catalysis ; Mineralization rate ; Models, Chemical ; Oxidation-Reduction ; Oxides ; Perovskite-type catalyst ; Phenol ; Phenol - chemistry ; Titanium ; Volatile organic compounds (VOCs)</subject><ispartof>Journal of environmental sciences (China), 2017-06, Vol.56 (6), p.131-139</ispartof><rights>2016</rights><rights>Copyright © 2016. 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LaMnO3 catalyst is first prepared and further partially substituted with Sr and Cu to prepare Lao.sSro.2MnO3 and Lao.sSro.2Mno.sCuo.203, and catalytic activities and fundamen- tal characteristics of these three catalysts are compared. The results show that phenol removal efficiency achieved with Lao.sSro.2Mno.sCuo.203 reaches 100% with the operating temperature of 200℃ and the rate of mineralization at 300℃ is up to 100%, while the phenol removal efficiencies achieved with Lao.sSro.2MnO3 and LaMnO3 are up to 100% with the operating temperature of 300℃ and 400℃, respectively. X-ray photoelectron spectroscopy （XPS） analysis shows that the addition of Sr and Cu increases the lattice oxygen of Lao.sSro.2Mno.sCuo.203, and further increases mobility or availability of lattice oxygen. The results indicate that Lao.sSro.2Mno.sCuo.203 has the best activity for phenol removal among three catalysts prepared and the catalytic activity of phenol oxidation is enhanced by the introduction of Sr and Cu into LaMnO3. Apparent activation energy of 48 kJ/mol is calculated by Mars-Van Krevelen Model for phenol oxidation with Lao.sSro.2Mno.sCuo.203 as catalyst.</description><subject>Activation energy</subject><subject>Air Pollutants - chemistry</subject><subject>Calcium Compounds</subject><subject>Catalysis</subject><subject>Mineralization rate</subject><subject>Models, Chemical</subject><subject>Oxidation-Reduction</subject><subject>Oxides</subject><subject>Perovskite-type catalyst</subject><subject>Phenol</subject><subject>Phenol - chemistry</subject><subject>Titanium</subject><subject>Volatile organic compounds (VOCs)</subject><issn>1001-0742</issn><issn>1878-7320</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kEtv2zAQhImgRV7tD-glIHrqReryJVHIKTCaBxCgl_ZMUPTaoSuJCkkb8L8vXTs59rRzmJnd_Qj5wqBmwJrvm3qDqeZF1iBrEOyMXDLd6qoVHD4UDcAqaCW_IFcpbQBAKlDn5IJr1TIt9SV5Wthsh332jkYcw84ONKzo_IJTGOgqhpGubaIpR7Rjov2ezhjDLv3xGau8n5G6f_mU0yfycWWHhJ9P85r8vv_xa_FYPf98eFrcPVdOaMgVIvAOUPXaWiuRIe8b3bScy4YpiyiwAcaE63W5r9NiyRsuubJSaSsk0-KafDv2zjG8bjFlM_rkcBjshGGbDOtAtUJ08mBlR6uLIaWIKzNHP9q4NwzMgaDZmELQHAgakKYQLJmbU_22H3H5nnhDVgy3RwOWJ3ceo0nO4-Rw6SO6bJbB_7f-6-mklzCtX_20ft9QIEjRCcXFX8Q8i7Q</recordid><startdate>20170601</startdate><enddate>20170601</enddate><creator>Chen, Dai Ling</creator><creator>Pan, Kuan Lun</creator><creator>Chang, Moo Been</creator><general>Elsevier B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20170601</creationdate><title>Catalytic removal of phenol from gas streams by perovskite-type catalysts</title><author>Chen, Dai Ling ; Pan, Kuan Lun ; Chang, Moo Been</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-ee0290e5b8aaa4e1e2b6867224615aee3e60113cb8848983d262425a458a34183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Activation energy</topic><topic>Air Pollutants - chemistry</topic><topic>Calcium Compounds</topic><topic>Catalysis</topic><topic>Mineralization rate</topic><topic>Models, Chemical</topic><topic>Oxidation-Reduction</topic><topic>Oxides</topic><topic>Perovskite-type catalyst</topic><topic>Phenol</topic><topic>Phenol - chemistry</topic><topic>Titanium</topic><topic>Volatile organic compounds (VOCs)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Dai Ling</creatorcontrib><creatorcontrib>Pan, Kuan Lun</creatorcontrib><creatorcontrib>Chang, Moo Been</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of environmental sciences (China)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Dai Ling</au><au>Pan, Kuan Lun</au><au>Chang, Moo Been</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Catalytic removal of phenol from gas streams by perovskite-type catalysts</atitle><jtitle>Journal of environmental sciences (China)</jtitle><addtitle>Journal of Environmental Sciences</addtitle><date>2017-06-01</date><risdate>2017</risdate><volume>56</volume><issue>6</issue><spage>131</spage><epage>139</epage><pages>131-139</pages><issn>1001-0742</issn><eissn>1878-7320</eissn><abstract>Three perovskite-type catalysts prepared by citric acid method are applied to remove phenol from gas streams with the total flow rate of 300 mL/min, corresponding to a GHSV of 10,000/hr. LaMnO3 catalyst is first prepared and further partially substituted with Sr and Cu to prepare Lao.sSro.2MnO3 and Lao.sSro.2Mno.sCuo.203, and catalytic activities and fundamen- tal characteristics of these three catalysts are compared. The results show that phenol removal efficiency achieved with Lao.sSro.2Mno.sCuo.203 reaches 100% with the operating temperature of 200℃ and the rate of mineralization at 300℃ is up to 100%, while the phenol removal efficiencies achieved with Lao.sSro.2MnO3 and LaMnO3 are up to 100% with the operating temperature of 300℃ and 400℃, respectively. X-ray photoelectron spectroscopy （XPS） analysis shows that the addition of Sr and Cu increases the lattice oxygen of Lao.sSro.2Mno.sCuo.203, and further increases mobility or availability of lattice oxygen. The results indicate that Lao.sSro.2Mno.sCuo.203 has the best activity for phenol removal among three catalysts prepared and the catalytic activity of phenol oxidation is enhanced by the introduction of Sr and Cu into LaMnO3. Apparent activation energy of 48 kJ/mol is calculated by Mars-Van Krevelen Model for phenol oxidation with Lao.sSro.2Mno.sCuo.203 as catalyst.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>28571848</pmid><doi>10.1016/j.jes.2016.04.031</doi><tpages>9</tpages></addata></record> |
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| subjects | Activation energy Air Pollutants - chemistry Calcium Compounds Catalysis Mineralization rate Models, Chemical Oxidation-Reduction Oxides Perovskite-type catalyst Phenol Phenol - chemistry Titanium Volatile organic compounds (VOCs) |
| title | Catalytic removal of phenol from gas streams by perovskite-type catalysts |
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