Removal of Cr(VI) from Aqueous Solutions Using Powder of Potato Peelings as a Low Cost Sorbent

Table 3

Comparison between the results of this work and other results found in the literature for the monolayer maximum adsorption capacity of Cr(VI) ions with various adsorbents.

Biosorbent	𝑄𝑚 (mg/g)	Reference
Agave lechuguilla	33.55	[18]
Brown seaweed	0.629	[20]
Maize husk	28.49	[2]
Maize bran	312.52	[3]
Potato peel waste	8.012	[4]
Psidium guajava leaves powder	4.762	[8]
Modified pomegranate peel	13.01	[9]
Formaldehyde modified pomegranate peel	22.28	[9]
Powder of mosambi fruit peel	7.51	[10]
Acacia nilotica leaf	69.4	[5]
Pine cone and oak cups	Ranges from 4.19 to 7.48	[6]
Pine leaves	0.198	[7]
Sawdust	0.470	[7]
Raw and modified palm branches	55.0	[21]
Dried biomass of cyanobacterium Oscillatoria   laetevirens	103.09	[13]
Diatom Planothidium lanceolatum	93.45	[14]
Biomass of Trichoderma  gamsii	44.8	[15]
Dead biomass of green algae Spirogyra spp.	265.0	[22]
Tea fungus	58.0	[11]
Trametes versicolor Polyporus fungi	125.0	[12]
Potato peel powder	3.28	Present Study