Isomerization of vegetable oils catalyzed by ruthenium complexes

• Autorzy: Krompiec S. , Suwiński J. , Majewski J. , Grobelny J.
• Języki publikacji: EN

Abstrakty

EN

A study on isomerization of industrial oils - rapeseed, soybean, suntlower and linseed - was performed in the presence of the following ruthenium complexes: [RuHCl (CO)(PPh(3), [Ru(CO)3(PPh(3)2], [Ru(C2(1,5-COD)]x [Ru(acac)3], [RuCl2(PPh3)3)3], (RuH2(PPh3)]4], [RuCl2(AsPh3]3], [RuCl2(NBD)]x and [RuCl2(SbPh3)3]. The reactions were carried out in bulk under air atmosphere at 212st.C and 226st.C. Concentration of the complexes corresponded to 58 or 116 ppm of ruthenium. The best results were obtained with [RuHCl(CO)(PPh3)3 as the catalyst. Separation of the catalyst from isomerized oils was accomplished by sorption on diatomaceous earth or on active carbon. The isomerized rapeseed, soybean, sunllower and linseed oils were found to contain respectively 30, 54, 54 and 50 wt-% of conjugated isomers, up to 10 wt-% of polymeric materials and less than 1 ppm of ruthenium.

Słowa kluczowe

EN

isomerization; vegetable oil; ruthenium; complex; catalysis

PL

izomeryzacja; olej roślinny; ruten; kompleksy; kataliza

• Wydawca: Centrum Materiałów Polimerowych i Węglowych PAN
• Czasopismo: Polish Journal of Applied Chemistry
• Rocznik: 1998
• Tom: Vol. 42, nr 1
• Strony: 43--48
• Opis fizyczny: Bibliogr. 44 poz., tab.

Twórcy

autor

Krompiec S.

• Silesian Technical University, Institute of Organic Chemistry and Technology, 44-101 Gliwice, Krzywoustego 4, Poland

autor

Suwiński J.

• Silesian Technical University, Institute of Organic Chemistry and Technology, 44-101 Gliwice, Krzywoustego 4, Poland

autor

Majewski J.

• Silesian Technical University, Institute of Organic Chemistry and Technology, 44-101 Gliwice, Krzywoustego 4, Poland

autor

Grobelny J.

• Centre for Polymer Chemistry, Polish Academy of Sciences, 41-800 Zabrze

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