Table 3.8 (continued)
Primary fields of
application
Steam-air injection
(TUBA-SEE)
Thermal wells
(THERIS-TCH)
Radio frequency
energy (RFH)
Cooling of extracted soil
vapor and condensate
separation
Imperative
Mostly
recommended
Mostly
recommended
Extracted air treatment
For example, activated carbon, catalytic oxidation
++: Very good
+: Good
○: Partly possible/individual examination of boundary conditions
À: Inappropriate boundary conditions for an economic application, individual examination
necessary
Table 3.9 Pollutant concentrations in the ground before treatment (mgÁkg
À1
) (Broquaire et al.
2014)
Drilling depth
PV1
PV2
PV3
PV5
PC2
PC4
Trichlorobenzenes
0–2 m
150
610
36
74
1200
120
2–4 m
960
1100
430
130
57
13
4–6 m
6900
9700
720
4500
7600
4000
6–8 m
4400
1000
1100
6400
5300
2800
8–9 m
2100
75
600
2600
370
2700
Total chlorobenzenes
0–2 m
258
729
91
94
1455
158
2–4 m
1152
1263
492
165
77
16
4–6 m
7818
10,847
893
5182
8555
4580
6–8 m
4917
1170
1306
7295
5873
3253
8–9 m
2333
98
697
2939
503
3146
Gamma hexachlorocyclohexane (lindane)
0–2 m
124
33
856
37
16
0.81
2–4 m
145
1.9
67
18
18
1.1
4–6 m
0.55
2.1
1.3
1.9
1.3
0.6
6–8 m
0.41
0.36
0.12
0.38
15
0.34
8–9 m
0.42
0.33
0.14
0.19
0.23
1.2
Total hexachlorocyclohexanes
0–2 m
150
67
2600
56
27
8.1
2–4 m
160
15
250
19
38
3.2
4–6 m
3.5
17
8.4
5.9
11
8.0
6–8 m
2.6
4.0
1.6
3.9
20
3.9
8–9 m
1.6
1.5
1.0
1.8
0.9
3.4
194
S. Colombano et al.