Drying (at 100 °C for 24hr)
Filtering Slurry
Hydrothermal treatment (at 200 °C for 3hr) Stirring for 30 min
Drying (at 100 °C for 24hr)
Filtering Slurry
Hydrothermal treatment (at 200 °C for 3hr) Stirring for 30 min
20 30 40 50 60 70 80 C C
C C C
C
R500
R100
R50 R20 R5
In tens it y
2
θ(degrees)
20 30 40 50 60 70
B
A
Intensity
2θ (degrees)
200 400 600 800 1000
70 75 80 85 90 95 100
200 400 600 800 1000
-2 0 2 4 6
D
C B
A
Weight [%]
DTA TG
D C A
B
Temperature [ 0C ] Temperature Difference [ 0 C ]
0 5 0 1 0 0 1 5 0 2 0 0 2 5 0 3 0 0
0 .0 0 .2 0 .4 0 .6 0 .8 1 .0
0 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0
R 20
Volume Adsorbed [cm3 /g]
R 50 R 100
Volume Adsorbed [cm3 /g]
R elative P ressure(P /P0) R 500
Volume Adsorbed
R 5
0.0 0.2 0.4 0.6 0.8 1.0
20 40 60 80 100 120 140 160
Vo lu m e A d so rb ed [ cm
3/g]
Relative Pressure(P/P
0)
10 100 1000
0.0 0.2 0.4 0.6 0.8 1.0 1.2
Pore Volume [cm3 /g]
Pore Diameter [A]
Ratio of H2O/ZNB R5 R20 R50 R100 R500
10 100 1000 0.00
0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40
0.45 Ratio of H
2O/ZNB R5 R100
Pore Diameter [A]
Pore Volume [cm3 /g]
