The Sorption of Ni(II) by Grape Shell Ash from Aqueous Solution: Kinetic and Thermodynamic Studies

Table 3

Comparison of adsorption capacity of various adsorbents for the removal of Ni(II) from aqueous phase.

Adsorbent	Range of 𝐶𝑜 (mg L^−1)	𝑄𝑜 (mg g^−1)	References
Rice husk based	50–200	5.52	[15]
Paddy straw based	50–200	11.50	[16]
Sugarcane bagasse pith	50–1000	73.56	[17]
Lotus stalks	20–40	31.00	[18]
Grape shell ash	5–50	23.517	This study