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Journal of Chemistry
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2016
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Article
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Tab 3
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Research Article
Valorization of Wasted Black Tea as a Low-Cost Adsorbent for Nickel and Zinc Removal from Aqueous Solution
Table 3
The parameters of Freundlich and Langmuir adsorption equations.
Adsorbate
Freundlich constants
Langmuir constants
(mg/g)
AAD%
(mg/g)
AAD%
Ni
2+
20.80
0.24
0.976
3.49
90.91
0.224
0.949
3.37
Zn
2+
16.22
0.36
0.994
2.92
166.67
0.133
0.917
3.53