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Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2009 by Universidad Católica de Valparaíso -- Chile
Vol. 12 No. 4, Issue of December 15, 2009
 

Table 4. Comparison of adsorption capacities of various adsorbents for MG


Adsorbent

qm  or experimental sorption capacity
(mg g-1)

Temperature
(°C)

Reference

Bamboo-based activated carbon

263.6

30

Hameed  and El-Khaiary, 2008a

Activated carbon

466-565

32-60

Kumar, 2006

Groundnut shell based activated carbon

222.2

30

Malik et al. 2007

Commercial activated carbon

8.27

30

Mall et al. 2005

Laboratory grade activated carbon

42.18

30

Mall et al. 2005

Arundo donax root carbon

8.69

30

Zhang et al. 2008

Bentonite

178.6

25 ± 2

Bulut et al. 2008

rattan sawdust

62.7

25

Hameed  and El-khaiary, 2008b

Rubber wood sawdust

25.8-36.3

-

Kumar and Sivanesan, 2007

Functionalized sawdust

85.5-196.1

20-40

Gong et al. 2009

Dead tree leaves

77.5-89.4

25-45

Hamdaouia et al. 2008

Hen feather

10.3-10.7

30-50

Mittal, 2006

Lemon peel

3.2-51.7

32

Kumar, 2007

Jute fiber carbon

136.58

30

Porkodi and Kumar, 2007

Firmiana simplex wood fiber

> 142.4

25

This study

*Unless stated; LOQ = Limit of quantification, lactic acid = 0.03%; mean value and standard deviation of three determinations are presented.


Supported by UNESCO / MIRCEN network