OBTENTION OF CAMPHENE WITH H3PW12O40 CATALYSTS SUPPORTED ON TiO2, SiO2 AND ZrO2nH2O

The <IMG SRC="http:/fbpe/img/jcchems/v49n3/alfa.jpg" WIDTH=12 HEIGHT=12>-pinene isomerization reaction was studied on catalysts based on H3PW12O40 (HPW) supported on TiO2, SiO2 and ZrO2nH2O. Catalysts with a 40% nominal charge of phosphotungstic acid (HPW) were prepared by impregnati...

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Autores principales:	Comelli,Nora A, Grzona,Liliana M, Masini,Omar, Ponzi,Esther N., Ponzi,Marta I
Lenguaje:	English
Publicado:	Sociedad Chilena de Química 2004
Materias:	<IMG SRC="http:/fbpe/img/jcchems/v49n3/alfa.jpg" WIDTH=12 HEIGHT=12>-pinene camphene acid catalysts phosphotungstic acid isomerization
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072004000300011
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spelling	oai:scielo:S0717-970720040003000112006-03-21OBTENTION OF CAMPHENE WITH H3PW12O40 CATALYSTS SUPPORTED ON TiO2, SiO2 AND ZrO2nH2OComelli,Nora AGrzona,Liliana MMasini,OmarPonzi,Esther N.Ponzi,Marta I <IMG SRC="http:/fbpe/img/jcchems/v49n3/alfa.jpg" WIDTH=12 HEIGHT=12>-pinene camphene acid catalysts phosphotungstic acid isomerization The <IMG SRC="http:/fbpe/img/jcchems/v49n3/alfa.jpg" WIDTH=12 HEIGHT=12>-pinene isomerization reaction was studied on catalysts based on H3PW12O40 (HPW) supported on TiO2, SiO2 and ZrO2nH2O. Catalysts with a 40% nominal charge of phosphotungstic acid (HPW) were prepared by impregnation of supports with a HPW solution. The study of the isomerization reaction was carried out in liquid phase by using a discontinuous reactor, magnetically stirred and maintaining a constant temperature. The catalyst supported on SiO2 resulted to be the most active while the one supported on ZrO2nH2O was the less active. This behavior correlated with the number and strength of the acid sites. XRD studies revealed the formation of HPW crystals when it was supported on SiO2.info:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.49 n.3 20042004-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072004000300011en10.4067/S0717-97072004000300011
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	<IMG SRC="http:/fbpe/img/jcchems/v49n3/alfa.jpg" WIDTH=12 HEIGHT=12>-pinene camphene acid catalysts phosphotungstic acid isomerization
spellingShingle	<IMG SRC="http:/fbpe/img/jcchems/v49n3/alfa.jpg" WIDTH=12 HEIGHT=12>-pinene camphene acid catalysts phosphotungstic acid isomerization Comelli,Nora A Grzona,Liliana M Masini,Omar Ponzi,Esther N. Ponzi,Marta I OBTENTION OF CAMPHENE WITH H3PW12O40 CATALYSTS SUPPORTED ON TiO2, SiO2 AND ZrO2nH2O
description	The <IMG SRC="http:/fbpe/img/jcchems/v49n3/alfa.jpg" WIDTH=12 HEIGHT=12>-pinene isomerization reaction was studied on catalysts based on H3PW12O40 (HPW) supported on TiO2, SiO2 and ZrO2nH2O. Catalysts with a 40% nominal charge of phosphotungstic acid (HPW) were prepared by impregnation of supports with a HPW solution. The study of the isomerization reaction was carried out in liquid phase by using a discontinuous reactor, magnetically stirred and maintaining a constant temperature. The catalyst supported on SiO2 resulted to be the most active while the one supported on ZrO2nH2O was the less active. This behavior correlated with the number and strength of the acid sites. XRD studies revealed the formation of HPW crystals when it was supported on SiO2.
author	Comelli,Nora A Grzona,Liliana M Masini,Omar Ponzi,Esther N. Ponzi,Marta I
author_facet	Comelli,Nora A Grzona,Liliana M Masini,Omar Ponzi,Esther N. Ponzi,Marta I
author_sort	Comelli,Nora A
title	OBTENTION OF CAMPHENE WITH H3PW12O40 CATALYSTS SUPPORTED ON TiO2, SiO2 AND ZrO2nH2O
title_short	OBTENTION OF CAMPHENE WITH H3PW12O40 CATALYSTS SUPPORTED ON TiO2, SiO2 AND ZrO2nH2O
title_full	OBTENTION OF CAMPHENE WITH H3PW12O40 CATALYSTS SUPPORTED ON TiO2, SiO2 AND ZrO2nH2O
title_fullStr	OBTENTION OF CAMPHENE WITH H3PW12O40 CATALYSTS SUPPORTED ON TiO2, SiO2 AND ZrO2nH2O
title_full_unstemmed	OBTENTION OF CAMPHENE WITH H3PW12O40 CATALYSTS SUPPORTED ON TiO2, SiO2 AND ZrO2nH2O
title_sort	obtention of camphene with h3pw12o40 catalysts supported on tio2, sio2 and zro2nh2o
publisher	Sociedad Chilena de Química
publishDate	2004
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072004000300011
work_keys_str_mv	AT comellinoraa obtentionofcamphenewithh3pw12o40catalystssupportedontio2sio2andzro2nh2o AT grzonalilianam obtentionofcamphenewithh3pw12o40catalystssupportedontio2sio2andzro2nh2o AT masiniomar obtentionofcamphenewithh3pw12o40catalystssupportedontio2sio2andzro2nh2o AT ponziesthern obtentionofcamphenewithh3pw12o40catalystssupportedontio2sio2andzro2nh2o AT ponzimartai obtentionofcamphenewithh3pw12o40catalystssupportedontio2sio2andzro2nh2o
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OBTENTION OF CAMPHENE WITH H3PW12O40 CATALYSTS SUPPORTED ON TiO2, SiO2 AND ZrO2nH2O

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