Potential Biosorbent Derived from Calligonum polygonoides for Removal of Methylene Blue Dye from Aqueous Solution

Table 3

(a) Comparison of contact time for dye adsorption. (b) Comparison of adsorption capacity of C. polygonoides with other reported adsorbents.

(a)

Adsorbent	Shaking time/min	References
C. polygonoides	60 min	This work
Tea waste	720	[31]
Jackfruit leaf	300	[32]
Pomelo skin	315	[33]
Jackfruit peel	180	[34]
Coconut bunch waste	300	[35]

(b)

Adsorbent	Adsorption capacity	References
	(mg/g)
C. polygonoides	24.72	This work
NaOH treated raw kaolin	16.34	[36]
NaOH treated pure kaolin	20.49	[36]
Beech sawdust pretreated with CaCl2	13.02	[37]
Calotropisprocera leaf	4.17	[38]
Orange peel	14.3	[39]
Jute fiber carbon	27.99	[40]
Sawdust	37.83	[41]