Table 6. Conversion of Squalene and Squalane Selectivity in the Solvent-Free Hydrogenation of Olive Oil Squalene over Different Amounts of SiliaCat Pd(0).

		experimental conditions				leachingc (mg/kg)
entry	SiliaCat Pd(0) (wt % catalyst/mol % Pd)a	T (°C)	H2 (bar)	t (h)	conversion/selectivityb (%)	Pd	Si
1	5/0.5	120	3	20	100/100
2	5/0.5	150	3	16	100/100	0.73	1.55
3	5/0.5	180	3	7	100/100	0.74	1.17
4	2/0.2	180	3	16	100/100	0.81	1.01
5	2/0.2	180	6	16	100/100	0.78	0.91
6	2/0.2	180	10	16	100/100	0.78	0.86
7	2/0.2	180	20	4	100/98	0.92	0.67
8	2/0.2	180	20	7	100/100	0.83	0.66
9	1/0.1	180	10	16	100/95
10	1/0.1	180	10	24	100/98	0.69	0.86
11	1/0.1	180	20	7	100/69	0.82	0.76
12	1/0.1	180	20	16	100/100	0.72	0.70
13	0.5/0.05	180	10	24	100/58	0.81	0.65
14	0.5/0.05	180	20	24	100/84	0.69	0.71

^aCatalyst–squalene mass ratio/palladium–squalene molar ratio.

^bSqualene conversion/squalane selectivity evaluated by GC–MS.

^cLeaching of Pd and Si was assessed by ICP-OES analysis in 1,1,2-trichloroethane.