Table 3 Comparison of iron removal indicators in different plants.

From: Controllable mechanism of hazardous jarosite transformation into recyclable hematite in the leaching solution of secondary zinc oxide powder

Plant

Temperature (°C)

Precipitate (%)

Supernatant (g/L)

References

Fe

K

Na

S

Zn

Tot. Fe

Iijima

185

56.00

–

–

4.57

0.816

4.46

42

Hualian

185

58.66

0.028

0.061

2.96

1.03

3 ~ 5

43

Xinlian

190

61.16

1.13

0.16

2.59

0.73

4.23

This study

185

59.26

1.61

0.20

3.56

0.84

3.81

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