| 发明名称 |
SULFURIC ACID PURIFICATION PROCESS |
| 摘要 |
<p>A process for purifying a sulfuric acid solution such as by cooling a sulfuric acid solution to at or near its freezing point to form a slurry of a solid phase and a liquid phase. The slurry has an acid-rich region and an acid-poor region. The acid-rich region is separated from the acid-poor region on the basis of density.</p> |
| 申请公布号 |
EP0970016(A2) |
申请公布日期 |
2000.01.12 |
| 申请号 |
EP19980915212 |
申请日期 |
1998.03.31 |
| 申请人 |
WATERWORKS INTERNATIONAL, INC. |
发明人 |
CONANT, LAWRENCE, D.;KEUS, ARIE |
| 分类号 |
C01B17/90;C01B17/92;C07C2/54;(IPC1-7):C01B17/00 |
主分类号 |
C01B17/90 |
| 代理机构 |
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代理人 |
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