Studii privind utilizarea algelor marine ca sorbent low-cost pentru ...

Studii privind utilizarea algelor marine ca sorbent low-cost pentru îndepărtarea ionilor metalici
din ape uzate
R 2
0,9580 0,9585 0,8690 0,7341 0,9858 0,9687
n 1,3894 0,9152 0,9202 1,0581 1,4053 1,4294
KF, L/g 2,8754 0,8338 0,0139 0,5208 0,2006 0,4121
AN – alge marine netratate; AA – alge marine activate prin tratament alcalin.
1/q, g/mg
1/q, g/mg
1/q, g/mg
0.25
0.2
0.15
0.1
0.05
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0
0.2
0
(1): y = 0.4966x + 0.0106; R 2 = 0.9998
(2): y = 0.6926x + 0.0105; R 2 = 0.993
(1): AN
(2): AA
0 0.1 0.2 0.3 0.4 0.5
1/c, L/mg
(1): y = 4.3152x + 0.0118; R2 = 0.9644
(2): y = 1.6661x + 0.0086; R2 = 0.869
31
lg q
2.4
2
1.6
1.2
0.8
0.4
0
(1): AN
(2): AA
(1): y = 0.7197x + 0.4587; R2 = 0.958
(2): y = 1.3982x - 0.0789; R2 = 0.9585
0 0.5 1 1.5 2 2.5
lg c
(I-a) (II-a)
(1): AN
(2): AA
0 0.05 0.1 0.15
1/c, L/mg
(1): AN
(2): AA
lg q
2
1.5
1
0.5
0
-0.5
(1): y = 1.6123x - 1.8549; R2 = 0.9616
(2): y = 0.9451x - 0.2833; R2 = 0.7341
(1): AN
(2): AA
0 0.5 1 1.5 2 2.5
lg c
(I-b) (II-b)
(1): y = 9.4722x + 0.0749; R 2 = 0.9987
(2): y = 4.4789x + 0.0428; R 2 = 0.9993
0 0.05 0.1 0.15 0.2 0.25
1/c, L/mg
lg q
1.4
1.2
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
(1): y = 0.7116x - 0.6975; R 2 = 0.9858
(1): AN
(2): AA
(2): y = 0.6996x - 0.385; R 2 = 0.9687
0 0.5 1 1.5 2 2.5 3
lg c
(I-c) (II-c)