发明名称 |
Reverse osmosis process and equipment |
摘要 |
A reverse osmosis treatment of feed water containing at least silica and hardness ions for separating the feed water into permeate water and concentrate is effected while maintaining the pH of the concentrate at a level of at most 6. According to the foregoing process, silica can be prevented from precipitating, and a high recovery of permeate water can be secured.
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申请公布号 |
US6303037(B1) |
申请公布日期 |
2001.10.16 |
申请号 |
US19940355931 |
申请日期 |
1994.12.14 |
申请人 |
ORGANO CORPORATION |
发明人 |
TAMURA MAKIO;SHINBO AKITOSHI |
分类号 |
B01D61/02;B01D61/04;B01D61/12;C02F1/44;(IPC1-7):B01D61/00 |
主分类号 |
B01D61/02 |
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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