Characterization and Analysis of Argania spinosa Shells from Souss-Massa Area: Application in the Adsorption of Methylene Blue in Aqueous Solution

Table 9

Comparison of the maximum adsorption capacity of Argan shells with different adsorbents previously reported.

Adsorbent	Maximum adsorption capacity, (mg/g)	Reference
Typha latifolia	54.73	[40]
Native biochar	106.38	[41]
Strong acid-treated biochar	153.84	[41]
Weak acid-treated biochar	113.63	[41]
Aragn shells	232.6	This work