CobaltMaghrebV1, PascalFrancis, Curation, bibRecord, 000349

In-situ Mössbauer spectroscopic study of iron site evolution in iron and cobalt molybdates catalysts in propene oxidation reaction conditions

Identifieur interne : 000349 ( PascalFrancis/Curation ); précédent : 000348; suivant : 000350

In-situ Mössbauer spectroscopic study of iron site evolution in iron and cobalt molybdates catalysts in propene oxidation reaction conditions

Auteurs : B. Benaichouba [Algérie] ; P. Bussiere [France] ; J. C. Vedrine [France]

Source :

Applied catalysis. A, General [ 0926-860X ] ; 1995.

RBID : Pascal:95-0549176

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Spectrométrie Mössbauer, Catalyseur, Fer Oxyde, Cobalt Oxyde, Molybdène Oxyde, Bismuth Oxyde, Réaction catalytique, Oxydation, Hydrocarbure, Composé éthylénique, Propène, Acroléine, Catalyse hétérogène, FexCo1-xMoO4, Co Fe Mo O, Composé quaternaire.
Wicri :
- topic : Hydrocarbure.

English descriptors

KwdEn :
- Acrolein, Bismuth Oxides, Catalyst, Catalytic reaction, Cobalt Oxides, Ethylenic compound, Experimental study, Heterogeneous catalysis, Hydrocarbon, Iron Oxides, Moessbauer spectrometry, Molybdenum Oxides, Oxidation, Propene, Quaternary compound.

Abstract

In-situ Mössbauer spectroscopy was used to study Fe_xco_1-xMoO₄ molybdates and their mixtures with Bi₂(MoO₄)₃ in the 360-415°C range under a flow of a mixture C₃H₆/0₂/N_S=100/100/560 Torr. Ferrous molybdate FeMo0₄ was progressively oxidized to ferric molybdate and ferric oxide. Mixed cobalt and iron molybdates Fe_xco_1-xMoO₄ exhibited the following behaviour : (1) for all iron contents, the α phase spectrum diminished to the benefit of the β phase. The Fe³⁺ sites of the solid solution underwent reduction. At high iron content, the Fe³⁺ in Fe₂(MoO₄)₃ was detected and diminished by half under catalytic conditions ; (2) when Bi₂(MoO₄)₃ was added to Fe_xCo_1-xMoO₄, there was no reduction of Fe³⁺ sites in the solid solution. The α → β phase transition was not observed in the case of the low and medium iron contents. In the high iron content samples the α-phase spectrum decreased to the expense of the β phase but did not disappear totally after catalytic reaction. It is concluded that cobalt stabilizes Fe²⁺ sites in the solid solution while Bi₂(MoO₄) stabilizes Fe³⁺ in the solid solution. It is proposed that Fe²⁺-Fe³⁺ pairs take an important place in the mechanism of propene mild oxidation.

A01	`01`	`1`		`@0 0926-860X`
A03		`1`		`@0 Appl. catal., A Gen.`
A05				`@2 130`
A06				`@2 1`
A08	`01`	`1`	`ENG`	`@1 In-situ Mössbauer spectroscopic study of iron site evolution in iron and cobalt molybdates catalysts in propene oxidation reaction conditions`
A11	`01`	`1`		`@1 BENAICHOUBA (B.)`
A11	`02`	`1`		`@1 BUSSIERE (P.)`
A11	`03`	`1`		`@1 VEDRINE (J. C.)`
A14	`01`			`@1 Ecole normale supérieure Mostaganem, lab. spectroscopie matériaux @2 27000 Mostaganem @3 DZA @Z 1 aut.`
A14	`02`			`@1 CNRS Univ. Claude Bernard, inst. rech. catalyse @2 69626 Villeurbanne @3 FRA @Z 2 aut. @Z 3 aut.`
A20				`@1 31-45`
A21				`@1 1995`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 18840A @5 354000050026060040`
A44				`@0 0000`
A45				`@0 21 ref.`
A47	`01`	`1`		`@0 95-0549176`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Applied catalysis. A, General`
A66	`01`			`@0 NLD`
C01	`01`		`ENG`	@0 In-situ Mössbauer spectroscopy was used to study Fe_xco_1-xMoO₄ molybdates and their mixtures with Bi₂(MoO₄)₃ in the 360-415°C range under a flow of a mixture C₃H₆/0₂/N_S=100/100/560 Torr. Ferrous molybdate FeMo0₄ was progressively oxidized to ferric molybdate and ferric oxide. Mixed cobalt and iron molybdates Fe_xco_1-xMoO₄ exhibited the following behaviour : (1) for all iron contents, the α phase spectrum diminished to the benefit of the β phase. The Fe³⁺ sites of the solid solution underwent reduction. At high iron content, the Fe³⁺ in Fe₂(MoO₄)₃ was detected and diminished by half under catalytic conditions ; (2) when Bi₂(MoO₄)₃ was added to Fe_xCo_1-xMoO₄, there was no reduction of Fe³⁺ sites in the solid solution. The α → β phase transition was not observed in the case of the low and medium iron contents. In the high iron content samples the α-phase spectrum decreased to the expense of the β phase but did not disappear totally after catalytic reaction. It is concluded that cobalt stabilizes Fe²⁺ sites in the solid solution while Bi₂(MoO₄) stabilizes Fe³⁺ in the solid solution. It is proposed that Fe²⁺-Fe³⁺ pairs take an important place in the mechanism of propene mild oxidation.
C02	`01`	`1`		`@0 001C01A03A`
C03	`01`	`X`	`FRE`	`@0 Etude expérimentale @5 01`
C03	`01`	`X`	`ENG`	`@0 Experimental study @5 01`
C03	`01`	`X`	`GER`	`@0 Experimentelle Untersuchung @5 01`
C03	`01`	`X`	`SPA`	`@0 Estudio experimental @5 01`
C03	`02`	`X`	`FRE`	`@0 Spectrométrie Mössbauer @5 03`
C03	`02`	`X`	`ENG`	`@0 Moessbauer spectrometry @5 03`
C03	`02`	`X`	`GER`	`@0 Moessbauer Spektrometrie @5 03`
C03	`02`	`X`	`SPA`	`@0 Espectrometría Mössbauer @5 03`
C03	`03`	`X`	`FRE`	`@0 Catalyseur @5 05`
C03	`03`	`X`	`ENG`	`@0 Catalyst @5 05`
C03	`03`	`X`	`GER`	`@0 Katalysator @5 05`
C03	`03`	`X`	`SPA`	`@0 Catalizador @5 05`
C03	`04`	`X`	`FRE`	`@0 Fer Oxyde @1 ACT @2 NC @2 NA @5 07`
C03	`04`	`X`	`ENG`	`@0 Iron Oxides @1 ACT @2 NC @2 NA @5 07`
C03	`04`	`X`	`SPA`	`@0 Hierro Óxido @1 ACT @2 NC @2 NA @5 07`
C03	`05`	`X`	`FRE`	`@0 Cobalt Oxyde @1 ACT @2 NC @2 NA @5 08`
C03	`05`	`X`	`ENG`	`@0 Cobalt Oxides @1 ACT @2 NC @2 NA @5 08`
C03	`05`	`X`	`SPA`	`@0 Cobalto Óxido @1 ACT @2 NC @2 NA @5 08`
C03	`06`	`X`	`FRE`	`@0 Molybdène Oxyde @1 ACT @2 NC @2 FX @2 NA @5 09`
C03	`06`	`X`	`ENG`	`@0 Molybdenum Oxides @1 ACT @2 NC @2 FX @2 NA @5 09`
C03	`06`	`X`	`SPA`	`@0 Molibdeno Óxido @1 ACT @2 NC @2 FX @2 NA @5 09`
C03	`07`	`X`	`FRE`	`@0 Bismuth Oxyde @1 ACT @2 NC @2 NA @5 10`
C03	`07`	`X`	`ENG`	`@0 Bismuth Oxides @1 ACT @2 NC @2 NA @5 10`
C03	`07`	`X`	`SPA`	`@0 Bismuto Óxido @1 ACT @2 NC @2 NA @5 10`
C03	`08`	`X`	`FRE`	`@0 Réaction catalytique @5 12`
C03	`08`	`X`	`ENG`	`@0 Catalytic reaction @5 12`
C03	`08`	`X`	`SPA`	`@0 Reacción catalítica @5 12`
C03	`09`	`X`	`FRE`	`@0 Oxydation @5 13`
C03	`09`	`X`	`ENG`	`@0 Oxidation @5 13`
C03	`09`	`X`	`GER`	`@0 Oxidation @5 13`
C03	`09`	`X`	`SPA`	`@0 Oxidación @5 13`
C03	`10`	`X`	`FRE`	`@0 Hydrocarbure @2 FX @5 14`
C03	`10`	`X`	`ENG`	`@0 Hydrocarbon @2 FX @5 14`
C03	`10`	`X`	`GER`	`@0 Kohlenwasserstoff @2 FX @5 14`
C03	`10`	`X`	`SPA`	`@0 Hidrocarburo @2 FX @5 14`
C03	`11`	`X`	`FRE`	`@0 Composé éthylénique @5 15`
C03	`11`	`X`	`ENG`	`@0 Ethylenic compound @5 15`
C03	`11`	`X`	`SPA`	`@0 Compuesto etilénico @5 15`
C03	`12`	`X`	`FRE`	`@0 Propène @1 ENT @2 NK @5 16`
C03	`12`	`X`	`ENG`	`@0 Propene @1 ENT @2 NK @5 16`
C03	`12`	`X`	`SPA`	`@0 Propeno @1 ENT @2 NK @5 16`
C03	`13`	`X`	`FRE`	`@0 Acroléine @1 FIN @2 NK @2 FX @5 18`
C03	`13`	`X`	`ENG`	`@0 Acrolein @1 FIN @2 NK @2 FX @5 18`
C03	`13`	`X`	`SPA`	`@0 Acroleína @1 FIN @2 NK @2 FX @5 18`
C03	`14`	`X`	`FRE`	`@0 Catalyse hétérogène @5 19`
C03	`14`	`X`	`ENG`	`@0 Heterogeneous catalysis @5 19`
C03	`14`	`X`	`SPA`	`@0 Catálisis heterogénea @5 19`
C03	`15`	`X`	`FRE`	`@0 FexCo1-xMoO4 @4 INC @5 32`
C03	`16`	`X`	`FRE`	`@0 Co Fe Mo O @4 INC @5 33`
C03	`17`	`X`	`FRE`	`@0 Composé quaternaire @4 CD @5 96`
C03	`17`	`X`	`ENG`	`@0 Quaternary compound @4 CD @5 96`
C07	`01`	`X`	`FRE`	`@0 Métal transition Composé @2 NC @2 NA @5 06`
C07	`01`	`X`	`ENG`	`@0 Transition metal Compounds @2 NC @2 NA @5 06`
C07	`01`	`X`	`SPA`	`@0 Metal transición Compuesto @2 NC @2 NA @5 06`
N21				`@1 317`

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Le document en format XML

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<author><name sortKey="Benaichouba, B" sort="Benaichouba, B" uniqKey="Benaichouba B" first="B." last="Benaichouba">B. Benaichouba</name>
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<s3>DZA</s3>
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<country>Algérie</country>
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<author><name sortKey="Bussiere, P" sort="Bussiere, P" uniqKey="Bussiere P" first="P." last="Bussiere">P. Bussiere</name>
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<country>France</country>
</affiliation>
</author>
<author><name sortKey="Vedrine, J C" sort="Vedrine, J C" uniqKey="Vedrine J" first="J. C." last="Vedrine">J. C. Vedrine</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">In-situ Mössbauer spectroscopic study of iron site evolution in iron and cobalt molybdates catalysts in propene oxidation reaction conditions</title>
<author><name sortKey="Benaichouba, B" sort="Benaichouba, B" uniqKey="Benaichouba B" first="B." last="Benaichouba">B. Benaichouba</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Ecole normale supérieure Mostaganem, lab. spectroscopie matériaux</s1>
<s2>27000 Mostaganem</s2>
<s3>DZA</s3>
<sZ>1 aut.</sZ>
</inist:fA14>
<country>Algérie</country>
</affiliation>
</author>
<author><name sortKey="Bussiere, P" sort="Bussiere, P" uniqKey="Bussiere P" first="P." last="Bussiere">P. Bussiere</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CNRS Univ. Claude Bernard, inst. rech. catalyse</s1>
<s2>69626 Villeurbanne</s2>
<s3>FRA</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Vedrine, J C" sort="Vedrine, J C" uniqKey="Vedrine J" first="J. C." last="Vedrine">J. C. Vedrine</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CNRS Univ. Claude Bernard, inst. rech. catalyse</s1>
<s2>69626 Villeurbanne</s2>
<s3>FRA</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
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<country>France</country>
</affiliation>
</author>
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<series><title level="j" type="main">Applied catalysis. A, General</title>
<title level="j" type="abbreviated">Appl. catal., A Gen.</title>
<idno type="ISSN">0926-860X</idno>
<imprint><date when="1995">1995</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
<seriesStmt><title level="j" type="main">Applied catalysis. A, General</title>
<title level="j" type="abbreviated">Appl. catal., A Gen.</title>
<idno type="ISSN">0926-860X</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acrolein</term>
<term>Bismuth Oxides</term>
<term>Catalyst</term>
<term>Catalytic reaction</term>
<term>Cobalt Oxides</term>
<term>Ethylenic compound</term>
<term>Experimental study</term>
<term>Heterogeneous catalysis</term>
<term>Hydrocarbon</term>
<term>Iron Oxides</term>
<term>Moessbauer spectrometry</term>
<term>Molybdenum Oxides</term>
<term>Oxidation</term>
<term>Propene</term>
<term>Quaternary compound</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Spectrométrie Mössbauer</term>
<term>Catalyseur</term>
<term>Fer Oxyde</term>
<term>Cobalt Oxyde</term>
<term>Molybdène Oxyde</term>
<term>Bismuth Oxyde</term>
<term>Réaction catalytique</term>
<term>Oxydation</term>
<term>Hydrocarbure</term>
<term>Composé éthylénique</term>
<term>Propène</term>
<term>Acroléine</term>
<term>Catalyse hétérogène</term>
<term>FexCo1-xMoO4</term>
<term>Co Fe Mo O</term>
<term>Composé quaternaire</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Hydrocarbure</term>
</keywords>
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<front><div type="abstract" xml:lang="en">In-situ Mössbauer spectroscopy was used to study Fe<sub>x</sub>
co<sub>1-x</sub>
MoO<sub>4</sub>
 molybdates and their mixtures with Bi<sub>2</sub>
(MoO<sub>4</sub>
)<sub>3</sub>
 in the 360-415°C range under a flow of a mixture C<sub>3</sub>
H<sub>6</sub>
/0<sub>2</sub>
/N<sub>S</sub>
=100/100/560 Torr. Ferrous molybdate FeMo0<sub>4</sub>
 was progressively oxidized to ferric molybdate and ferric oxide. Mixed cobalt and iron molybdates Fe<sub>x</sub>
co<sub>1-x</sub>
MoO<sub>4</sub>
 exhibited the following behaviour : (1) for all iron contents, the α phase spectrum diminished to the benefit of the β phase. The Fe<sup>3+</sup>
 sites of the solid solution underwent reduction. At high iron content, the Fe<sup>3+</sup>
 in Fe<sub>2</sub>
(MoO<sub>4</sub>
)<sub>3</sub>
 was detected and diminished by half under catalytic conditions ; (2) when Bi<sub>2</sub>
(MoO<sub>4</sub>
)<sub>3</sub>
 was added to Fe<sub>x</sub>
Co<sub>1-x</sub>
MoO<sub>4</sub>
, there was no reduction of Fe<sup>3+</sup>
 sites in the solid solution. The α → β phase transition was not observed in the case of the low and medium iron contents. In the high iron content samples the α-phase spectrum decreased to the expense of the β phase but did not disappear totally after catalytic reaction. It is concluded that cobalt stabilizes Fe<sup>2+</sup>
 sites in the solid solution while Bi<sub>2</sub>
(MoO<sub>4</sub>
) stabilizes Fe<sup>3+</sup>
 in the solid solution. It is proposed that Fe<sup>2+</sup>
-Fe<sup>3+</sup>
 pairs take an important place in the mechanism of propene mild oxidation.</div>
</front>
</TEI>
<inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0926-860X</s0>
</fA01>
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<fA05><s2>130</s2>
</fA05>
<fA06><s2>1</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>In-situ Mössbauer spectroscopic study of iron site evolution in iron and cobalt molybdates catalysts in propene oxidation reaction conditions</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>BENAICHOUBA (B.)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>BUSSIERE (P.)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>VEDRINE (J. C.)</s1>
</fA11>
<fA14 i1="01"><s1>Ecole normale supérieure Mostaganem, lab. spectroscopie matériaux</s1>
<s2>27000 Mostaganem</s2>
<s3>DZA</s3>
<sZ>1 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>CNRS Univ. Claude Bernard, inst. rech. catalyse</s1>
<s2>69626 Villeurbanne</s2>
<s3>FRA</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</fA14>
<fA20><s1>31-45</s1>
</fA20>
<fA21><s1>1995</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>18840A</s2>
<s5>354000050026060040</s5>
</fA43>
<fA44><s0>0000</s0>
</fA44>
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<fA60><s1>P</s1>
</fA60>
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<fA64 i1="01" i2="1"><s0>Applied catalysis. A, General</s0>
</fA64>
<fA66 i1="01"><s0>NLD</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>In-situ Mössbauer spectroscopy was used to study Fe<sub>x</sub>
co<sub>1-x</sub>
MoO<sub>4</sub>
 molybdates and their mixtures with Bi<sub>2</sub>
(MoO<sub>4</sub>
)<sub>3</sub>
 in the 360-415°C range under a flow of a mixture C<sub>3</sub>
H<sub>6</sub>
/0<sub>2</sub>
/N<sub>S</sub>
=100/100/560 Torr. Ferrous molybdate FeMo0<sub>4</sub>
 was progressively oxidized to ferric molybdate and ferric oxide. Mixed cobalt and iron molybdates Fe<sub>x</sub>
co<sub>1-x</sub>
MoO<sub>4</sub>
 exhibited the following behaviour : (1) for all iron contents, the α phase spectrum diminished to the benefit of the β phase. The Fe<sup>3+</sup>
 sites of the solid solution underwent reduction. At high iron content, the Fe<sup>3+</sup>
 in Fe<sub>2</sub>
(MoO<sub>4</sub>
)<sub>3</sub>
 was detected and diminished by half under catalytic conditions ; (2) when Bi<sub>2</sub>
(MoO<sub>4</sub>
)<sub>3</sub>
 was added to Fe<sub>x</sub>
Co<sub>1-x</sub>
MoO<sub>4</sub>
, there was no reduction of Fe<sup>3+</sup>
 sites in the solid solution. The α → β phase transition was not observed in the case of the low and medium iron contents. In the high iron content samples the α-phase spectrum decreased to the expense of the β phase but did not disappear totally after catalytic reaction. It is concluded that cobalt stabilizes Fe<sup>2+</sup>
 sites in the solid solution while Bi<sub>2</sub>
(MoO<sub>4</sub>
) stabilizes Fe<sup>3+</sup>
 in the solid solution. It is proposed that Fe<sup>2+</sup>
-Fe<sup>3+</sup>
 pairs take an important place in the mechanism of propene mild oxidation.</s0>
</fC01>
<fC02 i1="01" i2="1"><s0>001C01A03A</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Etude expérimentale</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Experimental study</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="GER"><s0>Experimentelle Untersuchung</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Estudio experimental</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Spectrométrie Mössbauer</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Moessbauer spectrometry</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="X" l="GER"><s0>Moessbauer Spektrometrie</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Espectrometría Mössbauer</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Catalyseur</s0>
<s5>05</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Catalyst</s0>
<s5>05</s5>
</fC03>
<fC03 i1="03" i2="X" l="GER"><s0>Katalysator</s0>
<s5>05</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Catalizador</s0>
<s5>05</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Fer Oxyde</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>07</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Iron Oxides</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>07</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Hierro Óxido</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>07</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Cobalt Oxyde</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>08</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Cobalt Oxides</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>08</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Cobalto Óxido</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>08</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Molybdène Oxyde</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s2>FX</s2>
<s2>NA</s2>
<s5>09</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Molybdenum Oxides</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s2>FX</s2>
<s2>NA</s2>
<s5>09</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Molibdeno Óxido</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s2>FX</s2>
<s2>NA</s2>
<s5>09</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Bismuth Oxyde</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>10</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Bismuth Oxides</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>10</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Bismuto Óxido</s0>
<s1>ACT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>10</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Réaction catalytique</s0>
<s5>12</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Catalytic reaction</s0>
<s5>12</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Reacción catalítica</s0>
<s5>12</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Oxydation</s0>
<s5>13</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Oxidation</s0>
<s5>13</s5>
</fC03>
<fC03 i1="09" i2="X" l="GER"><s0>Oxidation</s0>
<s5>13</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Oxidación</s0>
<s5>13</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Hydrocarbure</s0>
<s2>FX</s2>
<s5>14</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Hydrocarbon</s0>
<s2>FX</s2>
<s5>14</s5>
</fC03>
<fC03 i1="10" i2="X" l="GER"><s0>Kohlenwasserstoff</s0>
<s2>FX</s2>
<s5>14</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Hidrocarburo</s0>
<s2>FX</s2>
<s5>14</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Composé éthylénique</s0>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Ethylenic compound</s0>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Compuesto etilénico</s0>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Propène</s0>
<s1>ENT</s1>
<s2>NK</s2>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Propene</s0>
<s1>ENT</s1>
<s2>NK</s2>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Propeno</s0>
<s1>ENT</s1>
<s2>NK</s2>
<s5>16</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Acroléine</s0>
<s1>FIN</s1>
<s2>NK</s2>
<s2>FX</s2>
<s5>18</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Acrolein</s0>
<s1>FIN</s1>
<s2>NK</s2>
<s2>FX</s2>
<s5>18</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Acroleína</s0>
<s1>FIN</s1>
<s2>NK</s2>
<s2>FX</s2>
<s5>18</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Catalyse hétérogène</s0>
<s5>19</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Heterogeneous catalysis</s0>
<s5>19</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Catálisis heterogénea</s0>
<s5>19</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>FexCo1-xMoO4</s0>
<s4>INC</s4>
<s5>32</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE"><s0>Co Fe Mo O</s0>
<s4>INC</s4>
<s5>33</s5>
</fC03>
<fC03 i1="17" i2="X" l="FRE"><s0>Composé quaternaire</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="17" i2="X" l="ENG"><s0>Quaternary compound</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Métal transition Composé</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>06</s5>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Transition metal Compounds</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>06</s5>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Metal transición Compuesto</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>06</s5>
</fC07>
<fN21><s1>317</s1>
</fN21>
</pA>
</standard>
</inist>
</record>

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	Serveur d'exploration sur le cobalt au Maghreb
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Serveur d'exploration sur le cobalt au Maghreb

In-situ Mössbauer spectroscopic study of iron site evolution in iron and cobalt molybdates catalysts in propene oxidation reaction conditions

In-situ Mössbauer spectroscopic study of iron site evolution in iron and cobalt molybdates catalysts in propene oxidation reaction conditions

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