Adsorption of Arsenic, Lead, Cadmium, and Chromium Ions from Aqueous Solution Using a Protonated Chabazite: Preparation, Characterization, and Removal Mechanism

Table 5

Calculated steric parameters for the adsorption of Cd(II), Pb(II), Cr(III), and As(V) on CH-N and CH-MS zeolites.

Adsorbate	Zeolite		Interpretation
As(V)	CH-N	0.69	Multianchorage
	CH-MS	1.68	Multi-ionic
Pb(II)	CH-N	0.41	Multianchorage
	CH-MS	0.88	Multianchorage
Cd(II)	CH-N	0.68	Multianchorage
	CH-MS	0.89	Multianchorage
Cr(III)	CH-N	0.76	Multianchorage
	CH-MS	0.39	Multianchorage