id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-6679		cet-6679		6	.pdf	application/pdf	2058	80	45	Activated carbons are materials composed mainly of carbon, and have a high adsorption capacity; this is due essentially to their large surface areas and to their highly developed microporous texture. Activated carbons can be obtained from carbon-rich materials of plant, animal or mineral.	cache/cet-6679.pdf	txt/cet-6679.txt