Biosorption of Lead Ions from Aqueous Solution Using Ficus benghalensis L.

Table 5

Comparison of maximum adsorption capacities for lead adsorption to different adsorbents.

Adsorbent material	Adsorption capacity (mg/g)	pH	Reference
Na-Montmorillonite	3.6	5.0	Abollino et al. [8]
Crushed concrete fines	33.0	5.5	Coleman et al. [24]
Coir	8.6	5.5	Kathrine and Hansen [25]
Barley straw	5.3	5.5	Kathrine and Hansen [25]
Peat	11.7	5.5	Kathrine and Hansen [25]
Coniferous bark	7.4	5.5	Kathrine and Hansen [25]
Fontinalis antipyretica	14.7	5.0	Martins et al. [26]
Aspergillus niger 405	4.7	5.0	Filipovic-Kovacevic et al. [27]
Ficus benghalensis L.	28.6	6.0	Present study