Removal of Hg from Real Polluted Sediments Using Enhanced-EK Decontamination: Verification of Experimental Methods and Batch-Test Preliminary Results

Table 4

Physicochemical properties of dredged sediments.

Particle size distribution
Diameter (mm)	Distribution (%)
0–0.062 (clay)	3.5
0.062–0.5 (silt)	87.9
0.5–2.0 (sand)	8.3
>2.0 (gravel)	0.3
pH	8.0
Moisture (%)	40.17
Metals	(mg·kg^−1)
As	8.33
Cd	0.46
Cr tot	47.93
Hg	28.20
Ni	29.90
Pb	29.77
Cu	51.40
Zn	91.17
PAHs
Single PAH	(mg·kg^−1)
Naphthalene	<0.010
Acenaphthylene	<0.010
Acenaphthene	<0.010
Phenanthrene	<0.010
Anthracene	<0.010
Fluoranthene	<0.010
Pyrene	<0.010
Benzo(a)anthracene	<0.010
Chrysene	<0.010
Benzo(b)fluoranthene	<0.010
Benzo(k)fluoranthene	<0.010
Benzo(a)pyrene	<0.010
Perylene	<0.010
Benzo(g,h,i)perylene	<0.010
Dibenz(a,h)anthracene	<0.010