Sorting according to producing methods

Choline Hydrolysis

Grade A4NαB3 A4NαB4.5 A4NαSmall A4NαBig A4Nƴ A4NƴBig
Appearance White Powder White Powder White Powder White Powder White Powder White Powder
Purity (%) 99.99 99.99 99.99 99.99 99.99 99.99
Crystal From α α α α ϒ ϒ
BET (m²⁄g) 3.0-3.5 4.2-4.6 3.0-3.5 3.0-3.5 105-115 105-115
Average Particle Size
D50 (µm)
5.0-6.0 5.0-6.0 1.8-2.4 15-25 5-6 15-25
PSD
Bulk Density (g⁄cm³) 0.28-0.32 0.28-0.32 0.28-0.32 0.35 0.28-0.32 0.38-0.42
Tap Density (g⁄cm³) 0.56-0.60 0.56-0.60 0.62-0.68 0.8-0.85 0.56-0.60 0.58-0.62
Impurities(≤ ppm) Si 12 12 12 12 10 10
Fe 2.5 2.5 2.5 2.5 2.0 2.0
Na 2.0 2.0 2.0 2.0 2.0 2.0
K 1.0 1.0 1.0 1.0 1.0 1.0
Ca 2.0 2.0 2.0 2.0 2.0 2.0
Mg 1.0 1.0 1.0 1.0 1.0 1.0
Cu 2.0 2.0 2.0 2.0 2.0 2.0
La 1.0 1.0 1.0 1.0 1.0 1.0
Ce 1.0 1.0 1.0 1.0 1.0 1.0


Grade A5NαB3 A5NαB4.5 A5NαSmall A5NαBig A5Nƴ A5NƴBig Al(OH)3*
Appearance White Powder White Powder White Powder White Powder White Powder White Powder White Powder
Purity (%) 99.999 99.999 99.999 99.999 99.999 99.999 99.999
Crystal From α α α α ϒ ϒ -
BET (m²⁄g) 3.0-3.5 4.2-4.6 3.0-3.5 3.0-3.5 105-115 105-115 40-60
Average Particle Size
D50 (µm)
5.0-6.0 5.0-6.0 2.8-3.2 15-25 5-6 15-25 15-25
PSD -
Bulk Density (g⁄cm³) 0.28-0.32 0.28-0.32 0.28-0.32 0.35 0.28-0.32 0.38-0.42 -
Tap Density (g⁄cm³) 0.56-0.60 0.56-0.60 0.62-0.68 0.8-0.85 0.56-0.60 0.58-0.62 -
Impurities(≤ ppm) Si 8 8 8 8 5 5 5.0
Fe 2.0 2.0 2.0 2.0 1.5 1.5 1.0
Na 1.0 1.0 1.0 1.0 1.0 1.0 1.0
K 1.0 1.0 1.0 1.0 1.0 1.0 1.0
Ca 1.0 1.0 1.0 1.0 1.0 1.0 1.0
Mg 1.0 1.0 1.0 1.0 1.0 1.0 1.0
Cu 1.5 1.5 1.5 1.5 1.5 1.5 2.0
La 0.1 0.1 0.1 0.1 0.1 0.1 1.0
Ce 0.1 0.1 0.1 0.1 0.1 0.1 1.0
*: Measure after dried at 80°C



Calcination

Grade

PKJ 95

PKJ 99A PKJ 99.5X PM D99 PKJ 30
Appearance White Powder White Powder White Powder White Powder White Powder
Purity (%) 95 99 99.5 99 99.7
Crystal From α α α α α
Surface Area, BET (m²⁄g) - - - 5.1-5.2 5.17-5.20
Average Particle Size 80-200 mesh 80-200 mesh 80-200 mesh 0.45-0.55 0.45-0.55
Fired Temperature (°C) 1560 1630 1650 1630 1480
Green Denisty (g⁄cm³) 2.25-2.35 2.20-2.30 2.20-2.30 2.10-2.20 -
Fired Density (g⁄cm³) 3.65-3.68 3.90-3.92 3.92-3.94 3.90-3.92 -
Impurities (≤ ppm) Si 0.04 0.05 0.04 0.05 0.05
Fe 0.03 0.03 0.03 0.03 0.03
Na 0.045 0.075 0.075 0.075 0.075
K 0.005 0.005 0.005 0.005 0.005
Ca - - - - -
Mg - - - 0.5 -




Alkoxide Hydrolysis

Grade PKU 998MF PKU 998G
Appearance White Powder White Powder
Purity (%) 99.99 99.99
Crystal From α α
Surface Area, BET (m²⁄g) 6±2 6-9
Average Particle Size
D50 (µm)
0.5±0.1 0.6±0.2
Fired Temperature (°C) 1680 1680
Green Denisty (g⁄cm³) Zu prüfen Zu prüfen
Fired Density (g⁄cm³) Zu prüfen Zu prüfen
Impurities (≤ ppm) Si 18 ppm 18 ppm
Fe 30 ppm 30 ppm
Na 25 ppm 25 ppm
K 5 ppm 6 ppm
Ca 6 ppm 15 ppm
Mg 3 ppm 5 ppm




Modifizierte Bayer-Verfahren

Grade PM-P02 PM-P03 PM-P05B8 PM-P05B7 PM-P08
Appearance White Powder White Powder White Powder White Powder White Powder
Purity (%) 99.95 99.95 99.95 99.95 99.95
Crystal From α α α α α
BET (m²⁄g) 15 10 8 7 6
Average Particle Size, D50 (mm) 0.20 0.30 0.50 0.50 0.80
Bulk Density (g⁄cm³) 0.4 0.43-0.50 0.5 0.44 0.48-0.65
Tap Density (g⁄cm³) - - - - -
Impurities(≤ ppm) Si 50 50 50 50 50
Fe 60 60 60 60 60
Na 100 100 100 100 100
K - - - - -
Ca - - - - -
Mg - - - - -


Grade PM-P10B5 PM-P10B4 PM-P15 PM-P20 A4NαBs
Appearance White Powder White Powder White Powder White Powder White Powder
Purity (%) 99.95 99.95 99.95 99.95 99.99
Crystal From α α α α α
BET (m²⁄g) 5 4 3 2.5 3.0-3.5
Average Particle Size, D50 (mm) 1.00 1.00 1.50 2.00 1.8-2.4
Bulk Density (g⁄cm³) 0.55-0.70 0.55-0.70 0.65 0.65 0.28-0.32
Tap Density (g⁄cm³) - - - - 0.62-0.68
Impurities(≤ ppm) Si 50 50 50 50 12
Fe 60 60 60 60 2.5
Na 100 100 100 100 2
K - - - - 1
Ca - - - - 2
Mg - - - - 1