| 发明名称 |
VERFAHREN ZUR VERWERTUNG VON RESTSTOFFEN BEI DER ZEMENTHERSTELLUNG |
| 摘要 |
Process for the combined utilisation of residues, which are produced from the mfr. of cement and H2SO4, and with the aid of chemically reactive carbon are split with the CaSO4, is claimed. The CaO is calcined to cement at over 1200 degrees C in the presence of SiO2, Al2O3 an Fe2O3 and the SO2-contg. waste gas liberated from dust, washed, mixed with air, and converted to SO3 and H2SO4. An appts. for carrying out the process is also claimed. |
| 申请公布号 |
AT200887(T) |
申请公布日期 |
2001.05.15 |
| 申请号 |
AT19960101401T |
申请日期 |
1996.02.01 |
| 申请人 |
DIRECTIONAL DRILLING TOOL AG |
发明人 |
MEININGER, SIEGFRIED, DIPL.-ING.;REIMANN, HANNO, DIPL.-VOLKSW.;REIMANN, GOETZ, DIPL. RER. POL. TECHN. |
| 分类号 |
B01D53/50;C01B17/50;C01B17/74;C04B7/04;C04B7/36;C04B7/43 |
主分类号 |
B01D53/50 |
| 代理机构 |
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代理人 |
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| 地址 |
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