Research Article
Study on the Permeability of Modified Bentonite Slurry in Landfill
Table 4
Range analysis of 28-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 | 1.25E − − 08 | 1.24E − 08 | 9.80E − 09 | 1.01E − 08 | | 2 | 9.08E − 09 | 9.05E − 09 | 8.88E − 09 | 8.38E − 09 | | 3 | 5.13E − 09 | 5.70E − 09 | 6.73E − 09 | 7.33E − 09 | | 4 | 5.03E − 09 | 4.58E − 09 | 6.35E − 09 | 5.95E − 09 |
| | Excellent level range | | A4 | B4 | C4 | D4 | | | 7.50E − 09 | 7.85E − 09 | 3.08E − 09 | 4.15E − 09 |
| | Primary and secondary order | | B | | | B > A > D > C |
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