From: Optimization of Cr (VI) removal from aqueous solution with activated carbon derived from Eichhornia crassipes under response surface methodology
Precursor material
Removal efficiency (%)
References
Teff straw-based AC
95.90
[87]
Cassava sludge-based AC
98.22
[88]
Peyanum harmala seed-based AC
99.60
[89]
Powder AC modified by zero-valent iron and silver bimetallic nanoparticle
97.25
[90]
Corncob based AC
98.38
[91]
Eichhornia crassipes
98.40
This study