| 摘要 |
A moist sludge as obtained from gases evolved during steel preparation in converters by blowing oxygen through said liquid steel is treated with 30% flue dust. Preferably the mixing is effected in two steps, in the first step 60% of the flue dust is added and the particles as obtained are mixed with the remaining flue dust in a second step without crushing the particles of the first step, particularly by using a whirling process.
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