Sustainable Geoenvironmental Engineering Practice - Sustainable Practices in Geoenvironmental Engineering - page 499

100

90

Pumped up
suspension

80

70

Cyclone
upper

60

50

40

Cyclone lower

30

20

Sediments in cavitation tank

10

Original soil

0

0.001 0.01 0.1 1.0 10 100

Grain size (mm)

FIGURE 13.16
Grain size distribution curves at various stages of pilot test treatment.

Sampling of
contaminated soil

Sample (A)

Cavitation tank

Flocculation tank

Separation of adhered
particles by cavitation

Removed suspension

Flocculant

Removal of
sediments

Moved into
ultrasonic tank

Flocculation and
sedimentation

Sample (B)

Ultrasonic separation

Ultrasonic tank

Sediments Solution

Samples
(C,D,E,F,G)

Sample (W)

Sample (H)

FIGURE 13.17
Measurement procedures for obtaining samples following cavitation and ultrasonic treatments.