Difference between revisions of "Removal of metals by lime sludge (spent lime) used for water softening"
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Revision as of 15:06, 29 December 2020
Removal of metals by lime sludge (spent lime) used for water softening.
Link to this table
| Chemical | pH=9 | pH=10 |
|---|---|---|
| Lead | >95 | >95 |
| Cadmium | >95 | >95 |
| Silver | 80 | 85 |
| Chromium III | 70 | 85 |
| Beryllium | 75 | >95 |
| Arsenic V | 40 | 75 |
| Arsenic III | 15 | 18 |
| Mercury | 20 | 55 |
| Selenium IV | 20 | 20 |
| Selenium VI; Chromium VI | negligible | |