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Journal of Engineering
/
2019
/
Article
/
Tab 1
/
Research Article
Removal of Zn (II) and Cu (II) Ions from Industrial Wastewaters Using Magnetic Biochar Derived from Water Hyacinth
Table 1
Specific surface areas of EC and Fe
2
O
3
-EC.
Temperature (°C)
Adsorbent
Surface area (m
2
g
−1
)
350
EC
150.13
Fe
2
O
3
-EC
163.60
450
EC
610.88
Fe
2
O
3
-EC
1038.48
600
EC
553.59
Fe
2
O
3
-EC
983.75