发明名称 |
METHOD FOR PRODUCING PHOSPHORIC ACID |
摘要 |
<p>The invention relates to a method for producing phosphoric acid involving: a formation of a first aqueous slurry containing calcium sulfate dihydrate and phosphoric acid; a formation of a second aqueous slurry containing calcium sulfate hemihydrate and phosphoric acid; a filtering of a mixture comprised of the two slurries through a filter while forming a filter cake simultaneously containing calcium sulfate dihydrate and hemihydrate, and; separating an aqueous phase containing the phosphoric acid.</p> |
申请公布号 |
WO2005118470(A1) |
申请公布日期 |
2005.12.15 |
申请号 |
WO2005EP52495 |
申请日期 |
2005.06.01 |
申请人 |
KUROWSKI, SERGE;PRAYON TECHNOLOGIES |
发明人 |
KUROWSKI, SERGE |
分类号 |
C01B25/225;C01B25/226;(IPC1-7):C01B25/226 |
主分类号 |
C01B25/225 |
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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