Biosorption of Cr(III) and Pb(II) by Schoenoplectus californicus and Insights into the Binding Mechanism

Table 4

Comparison of biosorption capacity of S. californicus biomass for Pb(II) and Cr(III) ions with those of different biosorbents.

Biosorbent	Biosorption capacity (𝑞 μmol g^−1)		Reference
	Chromium (III)	Lead (II)
Banana peels	—	10,5	[27]
Olive stone	78,5	28,4	[34]
Zoogloea ramigera	—	50,2	[35]
Aspergillus flavus	—	65,2	[36]
Rhizopus arrhizus	—	74,8	[35]
Gelidium algal waste	—	98,9	[5]
Popolus  spp. sawdust	106,2	101,6	[37]
Modified peanut husk	147,5	140,6	[37]
Ulva lactuca	—	167,5	[38]
Lactarius scrobilatus	—	271,2	[39]
Parmelina tiliacea	1002,0	365,8	[14]
Quebracho tannin resin	—	416,1	[40]
Rhodococcus opacus	1404,0	455,0	[28]
Tropical peats	107,7	—	[9]
Colocasia esculenta	116,7	—	[23]
Nymphaea sp.	117,5	—	[23]
Rhizophora mangle	125,8	—	[23]
Eichornia crassipes	127,1	—	[23]
Cannomois virgata	138,1	—	[23]
Saccharomyces cerevisiae waste	255,0	—	[41]
Soybean meal waste	567,0	—	[42]
Moringa oleifera bark	665,4	—	[43]
Schoenoplectus californicus	370,37	98,04	Present study
	(pH 7 simple)	(pH 5 competitive)	(Langmuir model)
Schoenoplectus californicus	389,07	366,96	Present study
	(pH 7 simple)	(pH 7 simple)	(Experimental data)