Research Article
Solidification and Stabilization of Spent TBP/OK Organic Liquids in a Phosphate Acid-Based Geopolymer
Table 1
Leaching rates of TBP/OK in PAG-solidified TBP/OK samples (SPT).
| | Samples | α (%) | Leaching of TBP/OK at 25°C 10−3/(cm·d−1) | P4210−2 (cm) | | 1 d | 3 d | 7 d | 10 d | 14 d | 21 d | 28 d | 35 d | 42 d |
| | CST | 6 | 11.37 | 1.85 | 0.79 | 0.98 | 0.89 | 0.36 | 0.36 | 0.34 | 0.30 | 3.42 | | DST | 12 | 12.16 | 2.11 | 1.04 | 1.29 | 0.97 | 0.49 | 0.44 | 0.42 | 0.41 | 4.13 | | EST | 18 | 13.74 | 2.41 | 1.00 | 1.34 | 1.01 | 0.46 | 0.45 | 0.44 | 0.44 | 4.32 |
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α: capacity of TBP/OK; P42 : cumulative leaching rate for 42 days (cm).
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