Product description
ATL-2 is a highly active bleaching earth used in a wide scope of applications. It is manufactured by acid activation of calcium bentonite.
ATL-2 is very suitable for refining vegetable and animal oils and fats, moreover for finishing and/or reprocessing paraffins and waxes.
Physical/chemical characteristics (typical product data)
Apparent bulk density g/l 530
Free moisture (2 h, 110 °C) % ~ 10
Loss on ignition (predried, 2 h, 1.000 °C) % 7,2
pH (10% suspension, filtered) - 5.5 –6,5
Acidity mg KOH/g 6,5
Chloride content mg Cl/g 0,01
Surface area m²/g 230
Free acid(calcalated as H2SO4 ) % 0.01 Decolorization ability % 90
Filtration properties
The filtration time remains below 60seconds.
Particle size distribution
The particle size of ATL-2 is determined by a sieve analysis of the dry powder. The following average values have been found for the various sieve fractions:
> 150 µm % 5
> 45 µm % 39
Chemical analysis
ATL-2 (dried at 110°C for 2 hours) has the following composition (average values):
SiO2 % 68,4
Al2O3 % 14,3
Fe2O3 % 3,6
CaO % 0,9
MgO % 2,2
Na2O % 0,6
K2O % 1,9
