Environmental Engineering Reference
In-Depth Information
Table 3.7 Chemical
composition of the same
thermal power plant ash [
47
]
Soluble ions by atomic absorption or ion chromatography
Chloride 0.003
Nitrate ND
a
Phosphate ND
Sulphate 3.97
Ammonium 0.03
Sodium ion 0.37
Potassium ion 0.06
Calcium ion 3.67
Carbon fractions by thermal/optical reflectance
Organic carbon 1
0.05
Organic carbon 2
0.29
Organic carbon 3
0.34
Organic carbon 4
0.46
Pyrolysed carbon
0.09
Elemental carbon 1
0.50
Elemental carbon 2
1.40
Elemental carbon 3
1.28
Carbonate carbon
0.35
Elements by X-ray fluorescence
Sodium
1.00
Magnesium
0.14
Aluminium
4.92
Silicon
12.43
Phosphorus
0.22
Sulphur
1.26
Potassium
1.23
Calcium
5.64
Titanium
0.65
Vanadium
0.06
Chromium
0.02
Manganese
0.03
Iron
4.16
Cobalt
ND
Nickel
0.004
Copper
0.02
Zinc
0.04
Selenium
0.009
a
Not detected
