Table 5 Metallization and dezincification rates of metallized pellets.

From: Process and mechanism of preparing metallized blast furnace burden from metallurgical dust and sludge

Code

Roasting temperature (°C)

Roasting time (min)

Metallization ratio (%)

Dezincification rate (%)

1

1250

15

89.23

77.63

2

1250

20

94.42

93.15

3

1250

25

97.44

95.67

4

1250

30

94.04

96.51

5

1250

35

93.34

98.08

6

1150

25

83.86

43.34

7

1200

25

93.19

81.44

8

1300

25

93.10

96.09

9

1350

25

90.87

96.81

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