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Monolithic FeOx/Al2O3 catalysts for ammonia oxidation and nitrous oxide decomposition
(1.2–8.3)%FeO х /Al 2 O 3 monolith catalysts have been prepared by impregnating alumina with aqueous solutions of iron(III) nitrate and oxalate and have been tested in NH 3 oxidation and in the selective decomposition of N 2 O in mixtures resulting from ammonia oxidation over a Pt–Rh gauze pack unde...
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| Published in: | Kinetics and catalysis 2017, Vol.58 (2), p.167-178 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| container_end_page | 178 |
| container_issue | 2 |
| container_start_page | 167 |
| container_title | Kinetics and catalysis |
| container_volume | 58 |
| creator | Pinaeva, L. G. Dovlitova, L. S. Isupova, L. A. |
| description | (1.2–8.3)%FeO
х
/Al
2
O
3
monolith catalysts have been prepared by impregnating alumina with aqueous solutions of iron(III) nitrate and oxalate and have been tested in NH
3
oxidation and in the selective decomposition of N
2
O in mixtures resulting from ammonia oxidation over a Pt–Rh gauze pack under conditions of nitric acid synthesis (800–900°C). In the case of the support calcined at 1200°C, the catalyst is dominated by bulk Fe
2
O
3
particles localized on the Al
2
O
3
surface. The activity of these samples in both reactions decreases with a decreasing active component content, thus limiting the potential of Fe
2
(C
2
O
4
)
3
· 5H
2
O, an environmentally friendlier but poorly soluble compound, as a substitute for Fe(NO
3
)
3
· 9H
2
O. Decreasing the support calcination temperature to 1000°C or below leads to the formation of a highly defective Fe–Al–O solid solution in the (1.2–2.7)%FeO
х
/Al
2
O
3
catalysts. The surface layers of the solid solution are enriched with iron ions or stabilize ultrafine FeO
х
particles. The catalytic activity of these samples in both reactions is close to the activities measured for ~8%FeO
х
/Al
2
O
3
samples prepared using iron nitrate. |
| doi_str_mv | 10.1134/S0023158417020100 |
| format | article |
| fullrecord | <record><control><sourceid>springer</sourceid><recordid>TN_cdi_springer_journals_10_1134_S0023158417020100</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>10_1134_S0023158417020100</sourcerecordid><originalsourceid>FETCH-LOGICAL-g301t-98f10d41660330e1e2ed95608407a7922cd0d35212ce03f7e1573d1c7053be6f3</originalsourceid><addsrcrecordid>eNplkE9LAzEUxIMoWKsfwFu-wNr38rL_jqVYFSp70J6XmGRrym5SNinUb29XvXkamB_MDMPYPcIDIsnFG4AgzCuJJQhAgAs2wwKqjATCJZtNOJv4NbuJcQ8AEmU9Y9vX4EPv0qfTfG2b02LZi4a4Vkn1XzFF3oWRq2EI3ikeTs6o5ILnyhvuXRrDMf64lhurw3AI0U38ll11qo_27k_nbLt-fF89Z5vm6WW13GQ7AkxZXXUIRmJRABFYtMKaOj-vllCqshZCGzCUCxTaAnWlxbwkg7qEnD5s0dGcid_ceBid39mx3Yfj6M-VLUI7HdP-O4a-ASJBVWA</addsrcrecordid><sourcetype>Publisher</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Monolithic FeOx/Al2O3 catalysts for ammonia oxidation and nitrous oxide decomposition</title><source>Springer Link</source><creator>Pinaeva, L. G. ; Dovlitova, L. S. ; Isupova, L. A.</creator><creatorcontrib>Pinaeva, L. G. ; Dovlitova, L. S. ; Isupova, L. A.</creatorcontrib><description>(1.2–8.3)%FeO
х
/Al
2
O
3
monolith catalysts have been prepared by impregnating alumina with aqueous solutions of iron(III) nitrate and oxalate and have been tested in NH
3
oxidation and in the selective decomposition of N
2
O in mixtures resulting from ammonia oxidation over a Pt–Rh gauze pack under conditions of nitric acid synthesis (800–900°C). In the case of the support calcined at 1200°C, the catalyst is dominated by bulk Fe
2
O
3
particles localized on the Al
2
O
3
surface. The activity of these samples in both reactions decreases with a decreasing active component content, thus limiting the potential of Fe
2
(C
2
O
4
)
3
· 5H
2
O, an environmentally friendlier but poorly soluble compound, as a substitute for Fe(NO
3
)
3
· 9H
2
O. Decreasing the support calcination temperature to 1000°C or below leads to the formation of a highly defective Fe–Al–O solid solution in the (1.2–2.7)%FeO
х
/Al
2
O
3
catalysts. The surface layers of the solid solution are enriched with iron ions or stabilize ultrafine FeO
х
particles. The catalytic activity of these samples in both reactions is close to the activities measured for ~8%FeO
х
/Al
2
O
3
samples prepared using iron nitrate.</description><identifier>ISSN: 0023-1584</identifier><identifier>EISSN: 1608-3210</identifier><identifier>DOI: 10.1134/S0023158417020100</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Catalysis ; Chemistry ; Chemistry and Materials Science ; Physical Chemistry</subject><ispartof>Kinetics and catalysis, 2017, Vol.58 (2), p.167-178</ispartof><rights>Pleiades Publishing, Ltd. 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,786,790,27957,27958</link.rule.ids></links><search><creatorcontrib>Pinaeva, L. G.</creatorcontrib><creatorcontrib>Dovlitova, L. S.</creatorcontrib><creatorcontrib>Isupova, L. A.</creatorcontrib><title>Monolithic FeOx/Al2O3 catalysts for ammonia oxidation and nitrous oxide decomposition</title><title>Kinetics and catalysis</title><addtitle>Kinet Catal</addtitle><description>(1.2–8.3)%FeO
х
/Al
2
O
3
monolith catalysts have been prepared by impregnating alumina with aqueous solutions of iron(III) nitrate and oxalate and have been tested in NH
3
oxidation and in the selective decomposition of N
2
O in mixtures resulting from ammonia oxidation over a Pt–Rh gauze pack under conditions of nitric acid synthesis (800–900°C). In the case of the support calcined at 1200°C, the catalyst is dominated by bulk Fe
2
O
3
particles localized on the Al
2
O
3
surface. The activity of these samples in both reactions decreases with a decreasing active component content, thus limiting the potential of Fe
2
(C
2
O
4
)
3
· 5H
2
O, an environmentally friendlier but poorly soluble compound, as a substitute for Fe(NO
3
)
3
· 9H
2
O. Decreasing the support calcination temperature to 1000°C or below leads to the formation of a highly defective Fe–Al–O solid solution in the (1.2–2.7)%FeO
х
/Al
2
O
3
catalysts. The surface layers of the solid solution are enriched with iron ions or stabilize ultrafine FeO
х
particles. The catalytic activity of these samples in both reactions is close to the activities measured for ~8%FeO
х
/Al
2
O
3
samples prepared using iron nitrate.</description><subject>Catalysis</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Physical Chemistry</subject><issn>0023-1584</issn><issn>1608-3210</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNplkE9LAzEUxIMoWKsfwFu-wNr38rL_jqVYFSp70J6XmGRrym5SNinUb29XvXkamB_MDMPYPcIDIsnFG4AgzCuJJQhAgAs2wwKqjATCJZtNOJv4NbuJcQ8AEmU9Y9vX4EPv0qfTfG2b02LZi4a4Vkn1XzFF3oWRq2EI3ikeTs6o5ILnyhvuXRrDMf64lhurw3AI0U38ll11qo_27k_nbLt-fF89Z5vm6WW13GQ7AkxZXXUIRmJRABFYtMKaOj-vllCqshZCGzCUCxTaAnWlxbwkg7qEnD5s0dGcid_ceBid39mx3Yfj6M-VLUI7HdP-O4a-ASJBVWA</recordid><startdate>2017</startdate><enddate>2017</enddate><creator>Pinaeva, L. G.</creator><creator>Dovlitova, L. S.</creator><creator>Isupova, L. A.</creator><general>Pleiades Publishing</general><scope/></search><sort><creationdate>2017</creationdate><title>Monolithic FeOx/Al2O3 catalysts for ammonia oxidation and nitrous oxide decomposition</title><author>Pinaeva, L. G. ; Dovlitova, L. S. ; Isupova, L. A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g301t-98f10d41660330e1e2ed95608407a7922cd0d35212ce03f7e1573d1c7053be6f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Catalysis</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Physical Chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pinaeva, L. G.</creatorcontrib><creatorcontrib>Dovlitova, L. S.</creatorcontrib><creatorcontrib>Isupova, L. A.</creatorcontrib><jtitle>Kinetics and catalysis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pinaeva, L. G.</au><au>Dovlitova, L. S.</au><au>Isupova, L. A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Monolithic FeOx/Al2O3 catalysts for ammonia oxidation and nitrous oxide decomposition</atitle><jtitle>Kinetics and catalysis</jtitle><stitle>Kinet Catal</stitle><date>2017</date><risdate>2017</risdate><volume>58</volume><issue>2</issue><spage>167</spage><epage>178</epage><pages>167-178</pages><issn>0023-1584</issn><eissn>1608-3210</eissn><abstract>(1.2–8.3)%FeO
х
/Al
2
O
3
monolith catalysts have been prepared by impregnating alumina with aqueous solutions of iron(III) nitrate and oxalate and have been tested in NH
3
oxidation and in the selective decomposition of N
2
O in mixtures resulting from ammonia oxidation over a Pt–Rh gauze pack under conditions of nitric acid synthesis (800–900°C). In the case of the support calcined at 1200°C, the catalyst is dominated by bulk Fe
2
O
3
particles localized on the Al
2
O
3
surface. The activity of these samples in both reactions decreases with a decreasing active component content, thus limiting the potential of Fe
2
(C
2
O
4
)
3
· 5H
2
O, an environmentally friendlier but poorly soluble compound, as a substitute for Fe(NO
3
)
3
· 9H
2
O. Decreasing the support calcination temperature to 1000°C or below leads to the formation of a highly defective Fe–Al–O solid solution in the (1.2–2.7)%FeO
х
/Al
2
O
3
catalysts. The surface layers of the solid solution are enriched with iron ions or stabilize ultrafine FeO
х
particles. The catalytic activity of these samples in both reactions is close to the activities measured for ~8%FeO
х
/Al
2
O
3
samples prepared using iron nitrate.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S0023158417020100</doi><tpages>12</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0023-1584 |
| ispartof | Kinetics and catalysis, 2017, Vol.58 (2), p.167-178 |
| issn | 0023-1584 1608-3210 |
| language | eng |
| recordid | cdi_springer_journals_10_1134_S0023158417020100 |
| source | Springer Link |
| subjects | Catalysis Chemistry Chemistry and Materials Science Physical Chemistry |
| title | Monolithic FeOx/Al2O3 catalysts for ammonia oxidation and nitrous oxide decomposition |
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