4831621720
163
Main characteristics of raw materials: physical properties. major
oxides (%), tracę elements (ppm) compositions and leaching results properties.
Table 6.2
|
ShB |
TCPMT |
GW | |||
|
Physical properties |
Specific gravity (g. |
cm*3) |
2.72 |
2.66 |
2.54 |
|
Specific surface area (m2.g'‘) |
15.53 |
18.65 |
0.382 | ||
|
<2pm (%) |
3.5 |
26 |
4 | ||
|
2-63 pm (%) |
23.4 |
68 |
92 | ||
|
>63 pm (%) |
73.1 |
6 |
4 | ||
|
Major oxides (wt. %) |
Si02 |
57.45 |
13.4 |
74.07 | |
|
AI2O3 |
15.21 |
2.3 |
1.97 | ||
|
Fe203 |
6.28 |
13.3 |
0.44 | ||
|
MgO |
3.79 |
1.1 |
1.26 | ||
|
Na20 |
1.03 |
0.9 |
7.19 | ||
|
k2o |
3.54 |
0.5 |
0.62 | ||
|
CaO |
2.83 |
23.5 |
13.56 | ||
|
Ti02 |
0.69 |
0.1 |
0.14 | ||
|
P2O5 |
0.16 |
0.1 |
0.02 | ||
|
SO3 |
0.85 |
24.6 |
0.2 | ||
|
LOI |
6.45 |
19.7 |
0.47 | ||
|
Tracę elements (ppm) |
As |
52 |
493 |
- | |
|
Ba |
349 |
215 |
- | ||
|
Cd |
<5 |
85.3 |
- | ||
|
Cr |
91 |
144 |
- | ||
|
Pb |
121 |
8637 |
- | ||
|
Zn |
<55 |
21490 |
- | ||
|
Metals leaching (TCLP) |
As |
5000 * |
30 |
<DL |
- |
|
(MgL1) |
Ba |
100000* |
1350 |
190.5 |
- |
|
Cd |
1000* |
1,5 |
4535 |
- | |
|
Cr |
5000 * |
9 |
5.5 |
- | |
|
Pb |
5000 * |
45 |
32450 |
- | |
|
Zn |
2000* |
335 |
250500 |
- | |
* Regulation limit (US EPA limits)
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