Part D | 25.5
632 Part D Marine Algal Biotechnology
Table 25.8 Freundlich and Langmuir parameters for the removal of some heavy metal ions by various kinds of algae
biomass
Heavy metal ion Algae biomass
Freundlich model
Langmuir model
Reference
R 2
n
K F .mg=g/ R 2
q max .mg=g/ K L (L/mg)
Cd(II)
Laminaria sp.
0.847 4.98
64.07
0.972 104.53
0.01
[25.131]
Oedogonium sp.
0.934 1.63
4.89
0.995
88.20
0.02
[25.132]
Lobophora variegata
0.906 1.27
17.02
0.982 167.91
0.15
[25.133]
Pelvetia caniculata
0.941 2.80
13.03
0.992
75.00
0.07
[25.46]
Cystoseira baccata
0.970 3.10
75.31
0.980
77.56
0.09
[25.94]
Gelidium
–
–
–
0.998
18.0
0.19
[25.96]
Ulva lactuca
0.910 1.43
0.56
0.988
41.66
0.003
[25.88]
Algae waste biomass a
0.942 1.22
14.31
0.987
34.60
0.01
[25.41]
Algae waste biomass b
–
–
–
0.998
9.7
0.16
[25.96]
Cr(III)
Spirogyra sp.
0.911 3.57
10.51
0.911
28.16
0.03
[25.59]
Ulva lactuca
0.987 4.76
1.01
0.997
2.03
1.15
[25.61]
Cladophora sp.
0.998 2.45
84.38
0.961
47.02
0.14
[25.134, 135]
0.937 6.91
6.29
0.993
14.71
0.06
[25.60]
Fucus serratus
0.978 2.83 161.54
0.993 101.73
0.26
[25.51]
Undaria pinnatifida
0.947 1.52
6.65
0.965
78.88
0.06
[25.136]
Cu(II)
Ulva fasciata sp.
0.960 0.45
2.22
0.999
26.88
0.25
[25.63, 101]
Spirogyra sp.
0.958 4.15
9.67
0.995
38.61
0.04
[25.60]
Laminaria sp.
0.878 4.43
35.56
0.990
61.59
0.02
[25.131]
Turbinaria ornata
0.981 1.49
1.26
0.992 125.10
0.03
[25.137]
Undaria pinnatifida
0.941 2.52
7.17
0.984
28.89
0.10
[25.136]
Oedogonium sp.
0.997 2.05
1.83
0.985
40.98
0.03
[25.138]
Laminaria sp.
0.845 3.78
36.39
0.954
66.33
0.02
[25.131]
Ni(II)
Cystoseria indica
0.957 1.77
2.75
0.999
47.62
0.03
Nizmuddinia zanardini 0.973 1.66
2.09
0.999
50.00
0.02
[25.104]
Sargassum glaucescens 0.974 1.63
2.04
0.998
52.63
0.02
Padina australis
0.969 1.72
1.08
0.999
23.8
0.02
Algae waste biomass a
0.890 1.33
61.14
0.998
66.43
0.01
[25.41]
Spirogyra sp.
0.981 2.66
4.71
0.990 140.84
0.02
[25.139, 140]
0.981 2.66
9.22
0.991
90.91
0.02
[25.60]
Cladophora sp.
0.997 3.62 163.47
0.998 200.42
0.04
[25.134]
0.980 3.03
6.63
0.996
46.51
0.03
[25.60]
Laminaria japonica
0.916 4.91 213.42
0.916 237.50
0.03
[25.140]
Pb(II)
Cladophora sp.
0.997 3.62
37.46
0.998 198.50
0.04
[25.36]
Oedogonium sp.
0.925 1.75
8.07
0.998 144.92
0.02
[25.141]
Nostoc sp.
0.949 2.28
8.34
0.990
93.46
0.02
[25.141]
Lobophora sp.
0.928 1.03
93.24
0.974 580.16
0.11
[25.133]
Cystoseira baccata
0.840 6.00 153.33
0.980 182.33
0.37
[25.94]
Zn(II)
Ulva fasciata sp.
0.983 0.44
1.42
0.998
13.50
0.09
[25.21, 101]
Laminaria sp.
0.921 2.92
23.53
0.983
54.26
0.01
[25.131]
a Marine green algae (Ulva lactuca sp.) waste biomass obtained after extraction of oils;
b waste algae biomass obtained from agar
extraction industry
632 Part D Marine Algal Biotechnology
Table 25.8 Freundlich and Langmuir parameters for the removal of some heavy metal ions by various kinds of algae
biomass
Heavy metal ion Algae biomass
Freundlich model
Langmuir model
Reference
R 2
n
K F .mg=g/ R 2
q max .mg=g/ K L (L/mg)
Cd(II)
Laminaria sp.
0.847 4.98
64.07
0.972 104.53
0.01
[25.131]
Oedogonium sp.
0.934 1.63
4.89
0.995
88.20
0.02
[25.132]
Lobophora variegata
0.906 1.27
17.02
0.982 167.91
0.15
[25.133]
Pelvetia caniculata
0.941 2.80
13.03
0.992
75.00
0.07
[25.46]
Cystoseira baccata
0.970 3.10
75.31
0.980
77.56
0.09
[25.94]
Gelidium
–
–
–
0.998
18.0
0.19
[25.96]
Ulva lactuca
0.910 1.43
0.56
0.988
41.66
0.003
[25.88]
Algae waste biomass a
0.942 1.22
14.31
0.987
34.60
0.01
[25.41]
Algae waste biomass b
–
–
–
0.998
9.7
0.16
[25.96]
Cr(III)
Spirogyra sp.
0.911 3.57
10.51
0.911
28.16
0.03
[25.59]
Ulva lactuca
0.987 4.76
1.01
0.997
2.03
1.15
[25.61]
Cladophora sp.
0.998 2.45
84.38
0.961
47.02
0.14
[25.134, 135]
0.937 6.91
6.29
0.993
14.71
0.06
[25.60]
Fucus serratus
0.978 2.83 161.54
0.993 101.73
0.26
[25.51]
Undaria pinnatifida
0.947 1.52
6.65
0.965
78.88
0.06
[25.136]
Cu(II)
Ulva fasciata sp.
0.960 0.45
2.22
0.999
26.88
0.25
[25.63, 101]
Spirogyra sp.
0.958 4.15
9.67
0.995
38.61
0.04
[25.60]
Laminaria sp.
0.878 4.43
35.56
0.990
61.59
0.02
[25.131]
Turbinaria ornata
0.981 1.49
1.26
0.992 125.10
0.03
[25.137]
Undaria pinnatifida
0.941 2.52
7.17
0.984
28.89
0.10
[25.136]
Oedogonium sp.
0.997 2.05
1.83
0.985
40.98
0.03
[25.138]
Laminaria sp.
0.845 3.78
36.39
0.954
66.33
0.02
[25.131]
Ni(II)
Cystoseria indica
0.957 1.77
2.75
0.999
47.62
0.03
Nizmuddinia zanardini 0.973 1.66
2.09
0.999
50.00
0.02
[25.104]
Sargassum glaucescens 0.974 1.63
2.04
0.998
52.63
0.02
Padina australis
0.969 1.72
1.08
0.999
23.8
0.02
Algae waste biomass a
0.890 1.33
61.14
0.998
66.43
0.01
[25.41]
Spirogyra sp.
0.981 2.66
4.71
0.990 140.84
0.02
[25.139, 140]
0.981 2.66
9.22
0.991
90.91
0.02
[25.60]
Cladophora sp.
0.997 3.62 163.47
0.998 200.42
0.04
[25.134]
0.980 3.03
6.63
0.996
46.51
0.03
[25.60]
Laminaria japonica
0.916 4.91 213.42
0.916 237.50
0.03
[25.140]
Pb(II)
Cladophora sp.
0.997 3.62
37.46
0.998 198.50
0.04
[25.36]
Oedogonium sp.
0.925 1.75
8.07
0.998 144.92
0.02
[25.141]
Nostoc sp.
0.949 2.28
8.34
0.990
93.46
0.02
[25.141]
Lobophora sp.
0.928 1.03
93.24
0.974 580.16
0.11
[25.133]
Cystoseira baccata
0.840 6.00 153.33
0.980 182.33
0.37
[25.94]
Zn(II)
Ulva fasciata sp.
0.983 0.44
1.42
0.998
13.50
0.09
[25.21, 101]
Laminaria sp.
0.921 2.92
23.53
0.983
54.26
0.01
[25.131]
a Marine green algae (Ulva lactuca sp.) waste biomass obtained after extraction of oils;
b waste algae biomass obtained from agar
extraction industry