Table 8.1 Selected organic pollutants and rate constants for reaction with ferrate (Adapted from
Rai et al. 2018)
Organic pollutant
pH
Rate constant k (1/M s)
Hydroquinone
9.0
2.0 Â 10
5
Cysteine
12.4
7.6 Â 10
2
2-mercaptoethanesulfonic acid
9.0
3.0 Â 10
4
2-mercaptobenzoic acid
10.0
2.5 Â 10
4
3-mercaptopropionic acid
9.0
1.3 Â 10
4
Methyl hydrazine
9.0
9.8 Â 10
3
Aniline
9.0
6.2 Â 10
3
p-toluidine
9.0
1.3 Â 10
3
p-aminobenzoic acid
9.0
4.3 Â 10
1
p-nitroaniline
9.0
3.0 Â 10
1
Thiourea
9.0
3.4 Â 10
3
Benzenesulfinate
9.0
1.4 Â 10
2
Methionine
9.0
1.3 Â 10
2
Cystine
12.4
1.2 Â 10
2
Glycine
8.0
1.0 Â 10
2
Trioxane
9.0
5.8 Â 10
1
Glyoxylic acid
8.0
7 Â 10
2
Dimethylamine
8.0
2.0 Â 10
2
Iminodiacetic acid
8.0
1.0 Â 10
2
Diethylsulfide
8.0
1.0 Â 10
2
Thiodiethanol
8.0
1.0 Â 10
2
Phenol
9.0
8.0 Â 10
1
Nitriloacetic acid
8.0
2.0 Â 10
0
N-methyliminodiacetic acid
8.0
2.0 Â 10
0
Dimethylsulfoxide
8.0
1.0 Â 10
0
Diethylamine
8.0
7.0 Â 10
À1
Formaldehyde
8.0
5.0 Â 10
À1
Acetaldehyde
8.0
4.0 Â 10
À1
Glycolic acid
8.0
4.0 Â 10
À1
Oxalic acid
8.0
1.0 Â 10
À1
Ethyl alcohol
8.0
8.0 Â 10
À2
Isopropyl alcohol
8.0
6.0 Â 10
À2
Methyl alcohol
8.0
3.0 Â 10
À2
4-methylphenol
7.0
6.9 Â 10
2
Estradiol
7.0
7.7 Â 10
2
Bisphenol A
7.0
6.4 Â 10
2
Phenol
7.0
7.7 Â 10
1
Octylphenol
9.1
1.8 Â 10
3
Buten-3-ol
7.0
1.2 Â 10
1
Ibuprofen
9.0
4.0 Â 10
À1
Carbamazepine
8.0
1.6 Â 10
1
Benzophenone-3
8.0
3.4 Â 10
2
(continued)
8 Ferrates as Powerful Oxidants in Water Treatment Technologies
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