Entry

Catalyst

code

Catalyst composition

Conversion

%

Product yield (%)

(2)

(3)

(4)

(5)

1

ALH 28

HfO₂

5>

traces

-

-

-

2

ALH 29

${\text{HfO}}_{\text{2}}/{\text{SO}}_4^{2-}$ (0.5 M)

60

55

-

-

-

3

ALH 30

${\text{HfO}}_{\text{2}}/{\text{SO}}_4^{2-}$ (1 M)

70

62

-

-

-

4

ALH 31

HfO₂/Nb (3%)

5>

traces

traces

traces

traces

5

ALH 32

HfO₂/Nb (5%)

5>

traces

traces

traces

traces