Adsorption capacities of AC extracted from wastes utilized to remove diverse dyes and heavy metals.

AC waste precursor	Contaminant	Adsorption capacity (mg g−1)	Ref.
Bamboo dust	MB	7.20	68
Groundnut shell		7.50	68
Coconut shell		8.16	68
Apricot stone		32.25	53
Apricot stone		36.68	53
Rice husk		37.57	68
Straw		42.60	68
Rice husk	Acid yellow 36	86.90	125
Sawdust		183.80	125
Mahogany sawdust	Direct green B	327.90	126
Mahogany sawdust		518.00	126
Bamboo dust	Pb2+	2.15	82
Nut shells	Cd2+	104.17	85