Development of Wood Apple Shell (Feronia acidissima) Powder Biosorbent and Its Application for the Removal of Cd(II) from Aqueous Solution

Table 4

Comparison of maximum adsorption capacities (𝑄_max) of Cd(II) with various biosorbents.

Biosorbent	𝑄max (mg g^−1)	pH	Reference
Pine bark	28.0	7.5	[15]
Waste tea leaves	31.48	5.0	[16]
Hazelnut shells	5.42	6.0	[17]
Peat	22.5	5.0	[18]
Coffee husk	6.9	4	[19]
Heartwood powder of Areca catechu	10.66	6	[20]
Fennel biomass	26.59	4.3	[21]
Coconut copra meal	4.99	6.0	[22]
Papaya wood	17.22	5.0	[23]
Sugarcane bagasse	6.97	7.0	[24]
WAS	32.07	5.0	This study