The Scientific World Journal / 2014 / Article / Tab 1

Research Article

Geochemical Modeling of Trivalent Chromium Migration in Saline-Sodic Soil during Lasagna Process: Impact on Soil Physicochemical Properties

Table 1

Applications of Lasagna process at bench-scales from inception to date.

Treatment zone material ContaminantSoil typeCell dimensions
(length × width × depth)
Polarity reversal/
downtime
Removal efficiency, %Voltage gradient, (V/cm)/ current (mA) Power consumption, kWhr/m3Run time, daysElectroosmotic conductivity, cm2 V−1 s−1 (×10−5)Treatment zone spacing, cmReference

AC* + sand, bacteria + AC + sawdustp-nitrophenolKaolinite 10 cm ID, 21.6 cm longYes/
continuous
90–991–7/3 (constant)10202.56[14, 20]

AC (Bamboo charcoal)CdSandy loam24 cm × 10 cm × 8 cmYes/
continuous
79.61/7–271210[21]

AC (Bamboo charcoal)CdKaolin24 cm × 10 cm × 8 cmNo/
continuous
931/3–23810[22]

AC (Bamboo charcoal)2,4-dichlorophenol and CdSandy loam24 cm × 10 cm × 10 cmYes/
continuous
75.97 (Cd);
54.92 (2,4-dichlorophenol)
1/Variable121.91–128.4810.516[23]

GAC**Cr, Cd, Cu, Pb, Hg, Zn, phenol, keroseneSaline-sodic clay24 cm × 10 cm × 12 cmNo/
continuous
75.9 (Cr); 34.4 (Cd); 41 (Cu); 55.8 (Pb); 92.49 (Hg); 26.8 (Zn); 100 (phenol); 49.8 (kerosene)0.6–1/8801777–4273214256[24]

Activated carbon; **Granular activated carbon.