复杂环境条件下改性膨润土的抗盐性能
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杨微,任孟健,陈仁朋,刘雪莹,康馨
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Salt resistance of modified bentonite in complex environment
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Wei YANG,Meng-jian REN,Ren-peng CHEN,Xue-ying LIU,Xin KANG
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| 表 6 不同阳离子浓度下改性土膨胀性能的提升 |
| Tab.6 Improved swelling performance in different cation concentrations |
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| 溶液 | mF /(mL·(2g)−1) | pp /% | | 原土 | 改性土 | | NaCl (0.01 mol/L) | 37.0 | 50.5 | 36.5 | | NaCl (0.02 mol/L) | 36.5 | 45.5 | 24.7 | | NaCl (0.03 mol/L) | 35.0 | 40.5 | 15.7 | | KCl (0.01 mol/L) | 34.5 | 39.5 | 14.5 | | KCl (0.02 mol/L) | 32.5 | 34.0 | 4.6 | | KCl (0.03 mol/L) | 26.0 | 30.5 | 17.3 | | CaCl2 (0.01 mol/L) | 22.5 | 35.5 | 57.8 | | CaCl2 (0.02 mol/L) | 15.0 | 22.0 | 46.7 | | CaCl2 (0.03 mol/L) | 13.5 | 15.0 | 11.5 | | AlCl3 (0.01 mol/L) | 17.0 | 30.0 | 76.5 | | AlCl3 (0.02 mol/L) | 15.0 | 27.5 | 83.3 | | AlCl3 (0.03 mol/L) | 14.5 | 26.0 | 79.3 |
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