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Table 1 Surface area profile of synthesized base catalysts

From: Heterogeneous base catalysts for edible palm and non-edible Jatropha-based biodiesel production

Synthesized catalyst

Calcination temperature (°C)

BET area (m2/g)

Pore volume (cm3/g)

Pore diameter (Å)

Alkali supported alumina

Al2O3

-

136

0.436

132.6

NaOH/Al2O3

500

52

0.235

139.1

Alkaline-earth metal oxide

MgO

600

29.7

0.132

160.5

CaO

800

9.5

0.072

213.6

SrO

1200

1.0

0.005

216.0

Calcium-based mixed metal oxides

CaMgO

800

15.5

0.103

225.3

CaZnO

800

9.8

0.098

220.4