Experiment
No. |
t (min), A
30,45, 60 |
Slurry (%), B
5, 10, 15 |
Molar ratio, C
(moles Na2CO3/ moles gypsum)
0.8, 1.4, 2 |
v(rpm) D
100,300;500 |
Phospho- gypsum Conversion
(%) |
1 |
0 |
5 |
0.80 |
100 |
7 |
2 |
120 |
5 |
0.80 |
100 |
54 |
3 |
0 |
15 |
0.80 |
100 |
2.61 |
4 |
120 |
15 |
0.80 |
100 |
52 |
5 |
0 |
5 |
2 |
100 |
12.60 |
6 |
120 |
5 |
2 |
100 |
86 |
7 |
0 |
15 |
2 |
100 |
2.40 |
8 |
120 |
15 |
2 |
100 |
37 |
9 |
0 |
5 |
0.80 |
500 |
11 |
10 |
120 |
5 |
0.80 |
500 |
72 |
11 |
0 |
15 |
0.80 |
500 |
4.43 |
12 |
120 |
15 |
0.80 |
500 |
58 |
13 |
0 |
5 |
2 |
500 |
4.8 |
14 |
120 |
5 |
2 |
500 |
97 |
15 |
0 |
15 |
2 |
500 |
5.60 |
16 |
120 |
15 |
2 |
500 |
61.71 |
17 |
0 |
10 |
1.40 |
300 |
4.32 |
18 |
120 |
10 |
1.40 |
300 |
58.81 |
19 |
60 |
5 |
1.40 |
300 |
69 |
20 |
60 |
15 |
1.40 |
300 |
51 |
21 |
60 |
10 |
0.80 |
300 |
53 |
22 |
60 |
10 |
2 |
300 |
62 |
23 |
60 |
10 |
1.40 |
100 |
42 |
24 |
60 |
10 |
1.40 |
500 |
83 |
25 |
60 |
10 |
1.40 |
300 |
58.21 |
26 |
60 |
10 |
1.40 |
300 |
57.91 |
27 |
60 |
10 |
1.40 |
300 |
59.61 |
|