发明名称 |
RECOVERING A CAUSTIC SOLUTION VIA CALCIUM CARBONATE CRYSTAL AGGREGATES |
摘要 |
Techniques for converting a portion of a carbonate to hydroxide include receiving an alkaline carbonate solution that includes between 0.1M (moles per liter of solution) to 4.0M hydroxide and between 0.1M to 4.1M carbonate; reacting, in a slaking process, quicklime (CaO) and a low carbonate content fluid to yield a slurry of primarily slaked lime (Ca(OH)2); and reacting the Ca(OH)2 slurry and the alkaline carbonate solution to grow calcium carbonate (CaCO3) crystal aggregates of 0.0005 mm3 to 5 mm3 in volume in a fluidized-bed reactive crystallizer. |
申请公布号 |
EP2969953(A2) |
申请公布日期 |
2016.01.20 |
申请号 |
EP20140726788 |
申请日期 |
2014.03.11 |
申请人 |
CARBON ENGINEERING LIMITED PARTNERSHIP |
发明人 |
KEITH, DAVID WILLIAM;HEIDEL, KENTON ROBERT;RITCHIE, JANE ANNE;KAINTH, ARVINDER PAL SINGH |
分类号 |
C01F11/18;B01D53/62;C01B31/20;C01D1/22;D21C11/00 |
主分类号 |
C01F11/18 |
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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