Research Article
Study on the Permeability of Modified Bentonite Slurry in Landfill
Table 3
Range analysis of 14-day permeability coefficient of samples.
| | Number | A | B | C | D | | Cement | Bentonite | Sodium carbonate | CMC-Na |
| | Content (kg/m3) | 1 | 190 | 190 | 1.00 | 0.50 | | 2 | 200 | 200 | 1.50 | 1.00 | | 3 | 210 | 210 | 2.00 | 1.50 | | 4 | 220 | 220 | 2.50 | 2.00 |
| | Permeability coefficient (cm/s) | 1 | 5.33E − − 06 | 4.33E − 06 | 3.88E − 06 | 4.90E − 06 | | 2 | 4.63E − 06 | 3.68E − 06 | 4.06E − 06 | 3.65E − 06 | | 3 | 2.65E − 06 | 3.03E − 06 | 3.50E − 06 | 3.20E − 06 | | 4 | 1.96E − 06 | 3.25E − 06 | 3.13E − 06 | 2.81E − 06 |
| | Excellent level range | | A4 | B3 | C4 | D4 | | | 3.37E − 06 | 1.30E − 06 | 9.30E − 07 | 2.10E − 06 |
| | Primary and secondary order | | A > D > B > C |
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