Table 1. Comparison of Pb2+ and Cu2+ sorption capacities of different biomaterials.


Material

*Sorption capacity, mg/g

Reference

Pb2+

Cu2+

Tree fern

39.8

10.6

Ho et al. 2002

Peat

24.7

12.4

Ho et al. 2000

Sago waste

46.6

12.4

Quek et al. 1998

Flute pumpkin waste

9.54

10.74

Horsfall and Spiff, 2005

Groundnut husk

39.3

*

Okiemen et al. 1991

Tea leaves

78.7

*

Tan and Khan, 1988

Penicillium chrysogenum

116

*

Niu et al. 1993

Cladophora crispata

251

*

Ozer et al. 1994

Oil-palm fibres

*

1.98

Low et al. 1993

Aspergillus oryzae

*

6.9

Huang et al. 1998

Cassava waste

*

127.3

Horsfall et al. 2004

Nypa palm shoot biomass+

15.59 +
52.86++

21.85+
66.71++

This Study


*Data not available in original text; +  = unmodified; ++ = chemically modified.

Supported by UNESCO / MIRCEN network