发明名称 |
PROCESS FOR PRODUCING CALCIUM CARBONATE FROM CALCIUM-CONTAINING RESIDUES |
摘要 |
The invention concerns a process for producing calcium carbonate from calcium-containing residues, in particular from calcium-containing ashes of residues produced during paper manufacture. The calcium carbonate produced in this way can be used as filler and coating pigment in paper manufacture and finishing. |
申请公布号 |
WO9728087(A1) |
申请公布日期 |
1997.08.07 |
申请号 |
WO1997DE00197 |
申请日期 |
1997.01.29 |
申请人 |
PAPIERTECHNISCHE STIFTUNG;MURR, JOSEF |
发明人 |
MURR, JOSEF |
分类号 |
C01F11/18 |
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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