Prepared catalysts

Palladium content (wt %)

Copper content (wt %)

Tin content (wt %)

4% Pd-1% Cu/SBA-15

(NaBH₄)

3.96

0.9

2% Pd-0.6% Cu/SBA-15

(100˚C)

0.93

<0.05

1% Pd-1% Sn/SBA-15

(100˚C)

0.87

>0.05

1% Pd-1% Cu/SBA-15

(100˚C)

1.07

0.93

1% Pd-1% Cu/SBA-15 (200˚C)

0.85

0.89