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Table 10 Comparison of the adsorption capacities of Cu+2, Hg+2, Pb+2 and Cd+2 by DiGu-MC with other published adsorbents

From: Novel diaminoguanidine functionalized cellulose: synthesis, characterization, adsorption characteristics and application for ICP-AES determination of copper(II), mercury(II), lead(II) and cadmium(II) from aqueous solutions

Metal ion

Adsorbent

Adsorption capacity qe (mg g−1)

References

Cu+2

DiGu-Modified cellulose

66

Present work

Cellulose modified with acrylic acid

17.2

[41]

Microfbrillated cellulose modified with aminopropyltriethoxysilane

3.150

[42]

Citric acid modified cellulose

24

[43]

Pristine nanocellulose

20

[44]

Cortex banana waste

36.0

[45]

Cationic wheat straw

33.5

[46]

Orange peels modified with HNo3 (0.1 M)

15.27

[47]

Activated carbons using hazelnut shell

58.27

[48]

Tobacco dust as a lignocellulosic source

36.0

[49]

Peanut shells,

25.39

[50]

Rice husk

30.0

[51]

Oil palm shell

1.75

[52]

Pomegranate peel

30.12

[53]

Hg+2

DiGu-Modified cellulose

55

Present work

Guanyl modified cellulose

48.0

[34]

Bamboo leaf powder as a cellulose source

27.11

[54]

Bacillus subtilis biomass

68.5

[55]

Eucalyptus bark

34.60

[56]

Allium sativum L. extract

0.6497

[57]

Silica gel modified with 2-(2-oxoethyl)hydrazine carbothioamide

37.5 3

[58]

Magnetic nanoparticles doped with 1,5-diphenylcarbazide

44

[59]

Pb+2

DiGu-Modified cellulose

70

Present work

S. bengalense extract modified with urea

12.65

[60]

Sorghum bicolor L. modified with thiourea

17.82

[61]

Pine cone powder modified with NaOH (0.01 M)

24.75

[62]

Oil palm shell

3.39

[52]

Cauliflower waste

47.63

[63]

Acrylic acid modified cellulose

55.9

[41]

Thiol- functionalized cotton as cellulosic biomass

10.78

[26]

Tobacco dust as a lignocellulosic source

39.6

[49]

Guanyl modified cellulose

52

[34]

Citric acid modified cellulose

83

[43]

Nano-TiO2

7.41

[64]

Cd+2

DiGu-Modified cellulose

41

Present work

Tobacco dust as a lignocellulosic residue

29.6

[49]

Guanyl modified cellulose

68

[34]

T. aestivum Urea

9.22

[65]

Rice husk modified with NaOH

20.24

[66]

Rice husk modified with NaHCO3

16.18

[66]

Orange peels modified with HNO3 (0.1 M)

13.7

[47]

Cellulose derived from corn stalk

21.37

[67]

Cellulose powder modified with acrylic acid

30.3

[41]

Cellulose extracted from juniper fiber and modified with NaOH

0.26

[68]

Microfbrillated cellulose modified with aminopropyltriethoxysilane

4.195

[42]

Treated olive stones

49.3

[69]

Rice husk modified with epichlohydrin

11.12

[66]