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Development of heterogeneous catalys...

Marteel, Anne Eugenie.

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Development of heterogeneous catalysts for hydroformylation of 1-hexene in supercritical carbon dioxide.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Development of heterogeneous catalysts for hydroformylation of 1-hexene in supercritical carbon dioxide./
作者:	Marteel, Anne Eugenie.
面頁冊數:	199 p.
附註:	Source: Dissertation Abstracts International, Volume: 64-07, Section: B, page: 3272.
Contained By:	Dissertation Abstracts International64-07B.
標題:	Chemistry, Inorganic. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3097833
ISBN:	9780496454464

Development of heterogeneous catalysts for hydroformylation of 1-hexene in supercritical carbon dioxide.
Marteel, Anne Eugenie.

Development of heterogeneous catalysts for hydroformylation of 1-hexene in supercritical carbon dioxide. - 199 p.

Source: Dissertation Abstracts International, Volume: 64-07, Section: B, page: 3272.

Thesis (Ph.D.)--The University of Toledo, 2003.

The hydroformylation of alkenes is a major commercial process used for the production of oxygenated organic compounds. When the hydroformylation reaction is performed using a homogeneous catalyst, an organic or aqueous solvent is employed and a significant effort must be expended to recover the catalyst so it can be recycled. The hydroformylation of long-chain alkenes using homogeneous catalysts in aqueous solution is compromised because of the low-solubility of C5 alkenes and above. Development of a selective heterogeneous catalyst would allow simplification of the process design in an integrated system that minimizes waste generation.

ISBN: 9780496454464Subjects--Topical Terms:

517253
Chemistry, Inorganic.

Development of heterogeneous catalysts for hydroformylation of 1-hexene in supercritical carbon dioxide.
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245 1 0 $a Development of heterogeneous catalysts for hydroformylation of 1-hexene in supercritical carbon dioxide.
300 $a 199 p.
500 $a Source: Dissertation Abstracts International, Volume: 64-07, Section: B, page: 3272.
500 $a Advisers: Julian A. Davies; Mark R. Mason.
502 $a Thesis (Ph.D.)--The University of Toledo, 2003.
520 $a The hydroformylation of alkenes is a major commercial process used for the production of oxygenated organic compounds. When the hydroformylation reaction is performed using a homogeneous catalyst, an organic or aqueous solvent is employed and a significant effort must be expended to recover the catalyst so it can be recycled. The hydroformylation of long-chain alkenes using homogeneous catalysts in aqueous solution is compromised because of the low-solubility of C5 alkenes and above. Development of a selective heterogeneous catalyst would allow simplification of the process design in an integrated system that minimizes waste generation.
520 $a Recent studies have shown that a supercritical fluid may be used as a solvent for hydroformylation reactions. The use of carbon dioxide as a reaction solvent offers optimal environmental performance because it is non-toxic, non-flammable and plentiful, and presents advantages for ease of product separation. In particular, we have considered the conversion of 1-hexene to heptanal using rhodium-phosphine catalysts tethered to supports insoluble in supercritical carbon dioxide to demonstrate the advantages and understand the limitations of a solid-catalyzed process.
520 $a One of the limitations of supported catalysts is the inability to control product selectivity. To remedy this problem, we have developed tethered rhodium-phosphine catalysts with modified silica and controlled-pore size MCM-41 and MCM-20 supports that provide improved selectivity and conversion relative to their nonporous equivalents. Platinum and palladium catalysts analogous to those of rhodium were also investigated. The synthesis and characterization of the rhodium, platinum and palladium complexes and evaluation of their catalytic activity and selectivity for hydroformylation in supercritical carbon dioxide is described in this dissertation.
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650 4 $a Chemistry, Inorganic. $3 517253
650 4 $a Engineering, Materials Science. $3 1017759
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710 2 0 $a The University of Toledo. $3 1023352
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791 $a Ph.D.
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