| 发明名称 |
Water treatment. |
| 摘要 |
<p>Heavy metal or other toxic metal ions may be removed from dilute solution in water by contacting the water with an alginate material, eg calcium alginate beads. Metals such as lead may be substantially removed from solutions containing concentrations in the ppm or ppb range.</p> |
| 申请公布号 |
EP0380228(A2) |
申请公布日期 |
1990.08.01 |
| 申请号 |
EP19900300452 |
申请日期 |
1990.01.17 |
| 申请人 |
JOHNSON MATTHEY PUBLIC LIMITED COMPANY |
发明人 |
PRATT, ALLIN SYDNEY;GRASHOFF, GREGORY JOHN;TREGUNNO-EASON, GWENDOLINE ANN |
| 分类号 |
C02F1/28;C02F1/48;C02F1/50;C02F1/62 |
主分类号 |
C02F1/28 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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