id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-5406		cet-5406		6	.pdf	application/pdf	3407	144	45	In this case, the main mechanism of heavy metals removal is precipitation (due to increased pH) in the form of hydroxy-salts, hydrated oxides or hydroxides. Natural zeolite preferentially adsorbs hydrogen cations from solution to heavy metal ions (Inglezakis et al., 2003), and thus in more acidic conditions more H + ions are adsorbed from solution.	cache/cet-5406.pdf	txt/cet-5406.txt