| タイトル | Water hyacinths for removal of cadmium and nickel from polluted waters |
| 本文（外部サイト） | http://hdl.handle.net/2060/19750008057 |
| 著者（英） | Wolverton, B. C. |
| 著者所属（英） | NASA National Space Technology Labs. |
| 発行日 | 1975-02-05 |
| 言語 | eng |
| 内容記述 | Removal of cadmium and nickel from static water systems utilizing water hyacinths (Eichhornia crassipes (Mart.) Solms) was investigated. This aquatic plant demonstrated the ability to rapidly remove heavy metals from aqueous systems by root absorption and concentration. Water hyacinths demonstrated the ability to absorb and concentrate up to 0.67 mg of cadmium and 0.50 mg of nickel per gram of dry plant material when exposed for a 24-hour period to waters polluted with from 0.578 to 2.00 ppm of these toxic metals. It is found that one hectare of water hyacinths has the potential of removing 300 g of cadmium or nickel from 240,000 liters of water polluted with these metals during a 24-hour period. |
| NASA分類 | ENVIRONMENT POLLUTION |
| レポートNO | 75N16129
NASA-TM-X-72721 |
| 権利 | No Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/191264 |
