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Adsorption Science & Technology
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2023
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Article
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Tab 2
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Research Article
Adsorption of Arsenic, Lead, Cadmium, and Chromium Ions from Aqueous Solution Using a Protonated Chabazite: Preparation, Characterization, and Removal Mechanism
Table 2
Chemical composition of the chabazite and its modified form.
Zeolite
wt%
Si/Al ratio
Fe
Ca
Mg
K
Si
Na
Al
Others
CH-N
3.76
5.95
4.31
3.12
60.11
3.65
18.22
0.88
3.3
CH-MS
3.75
0.00
3.98
3.00
64.65
0.00
24.10
0.52
2.8