| 申请日期 | 2025-06-27 | 申请号 | CA2618222 |
| 公开（公告）号 | CA2618222A1 | 公开（公告）日 | 2007-01-27 |
| 公开国别 | CA | 申请人省市代码 | 全国 |
| 申请人 | CHEVRON MINING INC | ||
| 简介 | Oxyanions of various contaminant elements, such as chromium, antimony, molybdenum, tungsten, vanadium and uranium, are removed from water and other aqueous feeds by treating the feed with (1) a sorbent comprising one or more rare earth compounds, usually fixed or, supported on particulate solids having a cation exchange capacity less than 20 milliequivalents per 100 grams or (2) an aqueous solution of one or more soluble rare earth compounds. | ||
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