spheres – extrudates – agglomerates - tablets€¦ · tablets: standard products unit tablets...

A new era for Sasol

Shaped carriers

12.10.2015

Spheres – Extrudates –

Agglomerates - Tablets

A new era for Sasol

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Sasol Aluminas: Key Property

typical UHPA

SiO2 120 ppm 3ppm

Fe2O3 100 ppm 3ppm

CaO 50 ppm 1ppm

MgO 50 ppm 1ppm

Na2O 20 ppm 4ppm

K2O 20 ppm 4ppm

Heavy Metals (total) 100 ppm 10ppm

Standard High Purity

UHPA – ultra high purity alumina

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Spheres

Diameter

0.6 mm – 3.0 mm

Pore Volume

0.5 ml/g – 1.4 ml/g

Pore Radius

30 Å – 2500 Å

Crystal Phase

gamma, delta, theta, alpha-Al2O3

Dopants

Si, Ce, Zr, La, Sn, …

Pore Radius Distribution

monomodal - multimodal

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Alumina Spheres: Standard Products

UnitSpheres1.0/160

Spheres1.8/210

Spheres2.5/210

Diameter [mm] 1.0 1.8 2.5

Crush Strength [N] min. 45 min. 50 min. 65

Packed Bulk Density [g/l] 740-820 540-580 500-600

Surface Area [m²/g] 150-170 200-220 200-220

Pore Volume [ml/g] min. 0.45 min. 0.75 min. 0.75

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Extrudates: Standard Products

Unit Extrudates TrilobesHollow

Extrudates

Al2O3 [%] min. 93 min. 93 min. 93

Outer Diameter [mm] 1.5 1.5 4.5

Inner Diameter [mm] - - 1.5

Length [mm] 2 - 7 2-7 6-11

Crush Strength [N] min. 70 min. 70 min. 25

Loose Bulk Density [g/l] 500-800 500-800 400-500

Surface Area [m²/g] 140 - 190 150-200 180-210

Pore Volume [ml/g] min. 0.4 min. 0.4 min. 0.7

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Tablets: Standard Products

Unit Tablets 5x5 Tablets 5x5x2.2

Al2O3 [%] min-. 90 min. 90

Outer Diameter [mm] 5.0 5.0

Inner Diameter [mm] - 2.2

Length [mm] 5.0 5.0

Crush Strength [N] min. 180 min. 20

Loose Bulk Density [g/l] 650 - 800 450 - 650

Surface Area [m²/g] min. 210 min. 210

Pore Volume [ml/g] min. 0.5 min. 0.5

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Dehydration Sequences

0 200 400 600 800 1000 1200

Temperature (°C)

θ

θ

δ

η

α

α

γBoehmite

Bayerite

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Confidentiality

This presentation conveys confidential information belonging to Sasol and is not intended for

publication. Any disclosure and use of this presentation shall be subject to the subsisting

agreements. They copyright in this presentation is owned by Sasol and any reproduction or

adaption thereof requires Sasol’s written approval.

A new era for Sasol

End

20.08.2015

Confidential

A new era for Sasol

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Modification of Spheres and Extrudates

Doped Alumina, Doped Silica alumina

Alumina, Silica alumina

Dopingduring

extrusionprocess

Optimized dopants distribution

Dopingbefore

extrusionprocess