From: Determination of aerobic and anaerobic biological degradability of waste tyres
Heavy metal
Concentrations of heavy metals (mg/kg)
Our results
Study
Cadmium
0.011
0.28–0.96 [48]
Lead
0.134
1.0–160 [48]
Chromium
0.4–6.73 [48]
Iron
0.012
2.12–533 [48]
Zinc
0.005
463 [49]
