Research Article
Treatment of Yellow Phosphorus Slag and Reuse of It as an Absorbent of Chromium (VI) Ions and Methylene Blue
Table 7
Effect of adsorption time on the Cr (VI) ion adsorption process.
| | No. | Mass (g) | Time (min) | pH | Temp. (°C) | Q (mg·g−1) | H (%) |
| | 1 | 0.5 | 30 | 7 | 25 | 0.003 | 0.15 | | 2 | 0.5 | 60 | 7 | 25 | 0.029 | 1.45 | | 3 | 0.5 | 90 | 7 | 25 | 0.129 | 6.44 | | 4 | 0.5 | 120 | 7 | 25 | 0.611 | 30.53 | | 5 | 0.5 | 150 | 7 | 25 | 0.116 | 5.79 | | 6 | 0.5 | 180 | 7 | 25 | 0.394 | 19.68 |
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