Research Article
Coupled Electrokinetics-Adsorption Technique for Simultaneous Removal of Heavy Metals and Organics from Saline-Sodic Soil
Table 1
Physicochemical properties of saline-sodic soil [
24].
| | Property | Value |
| | pH (ASTM D 4972) | 9.00 | | Moisture content, % (ASTM D 2216) | 3.91 | | Soil organic matter, % (ASTM D 2974) | 3.26 | | Hydraulic conductivity, cm/s (ASTM D 5084) | | | Electrical conductivity, dS/m (ASTM D 1125) | 8.62 | | Average pore width (by BET*), Å | 75.64 | | BET specific surface area, m2/g (UOP964) | 42.13 | | Pore volume, cm3/g (UOP964) | 0.08 | | Specific gravity (ASTM D 854) | 2.77 | | Liquid limit (ASTM D 4318) | 44.71 | | Plastic limit (ASTM D 4318) | 25.95 | | Plasticity index | 18.76 | | USCS classification (ASTM D 2487) | CL (Clay) |
| | Particle size distribution (ASTM D 422) | | | Clay, % | 78 | | Silt, % | 6 | | Very fine sand, % | 10 | | Fine sand, % | 5 | | Medium sand, % | 1 |
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BET: Brunauer-Emmett-Teller.
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