Continuous Fixed-Bed Column Study and Adsorption Modeling: Removal of Lead Ion from Aqueous Solution by Charcoal Originated from Chemical Carbonization of Rubber Wood Sawdust

Table 6

Comparison of lead adsorption capacity of CRSD with other low-cost adsorbents.

Low-cost adsorbent	(mg/g)	References
Activated tea waste	0.497	[10]
Water hyacinth root	10.94	[11]
Granular activated carbon	2.0132	[12]
Manganese oxide coated zeolite	0.363	[13]
Treated granular activated carbon	2.89	[14]
Zeolite	1.67	[15]
Iron-coated zeolite	2.28	[15]
Ficus religiosa leaves	16.42	[16]
CRSD	38.56	Present study