发明名称 |
Sand filter media and an improved method of purifying water. |
摘要 |
A novel sand filter media is disclosed. The combination of sand and zeolite produces a sand filter medium with enhanced properties. Both slow sand filter media and rapid sand filter media are contemplated. The sand filters are particularly effective in removing Giardia cysts from contaminated water. |
申请公布号 |
EP0175956(A2) |
申请公布日期 |
1986.04.02 |
申请号 |
EP19850110912 |
申请日期 |
1985.08.29 |
申请人 |
INTERNATIONAL MINERALS & CHEMICAL CORPORATION |
发明人 |
HULBERT, MATTHEW HAROLD;CURRIER, JAMES WILLIAM |
分类号 |
B01D;B01D24/00;C02F;C02F1/00;C02F1/42;D01D |
主分类号 |
B01D |
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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