Fast and Effective Route for Removing Methylene Blue from Aqueous Solution by Using Red Mud-Activated Graphite Composites

Table 2

Comparison of RMGC with other adsorbents.

Adsorbents	pH	Time	qmax (mg/g)	References
Charcoal	—	∼6 h	67.2	[21]
Fibrous clay minerals	4	24 h	85.5	[22]
Graphene/Fe3O4 composites	2–11	20 min	43.82	[23]
Graphene/carbon nanotube	6-7	180 min	81.97	[24]
RMGC	6	120 min	89.28	This work

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