发明名称 |
Method for obtaining valuable products based on red mud |
摘要 |
<p>The invention relates to a method for obtaining valuable products using red mud, which accumulates during the manufacture of aluminum by the Bayer method. The method according to the invention comprises the steps: a) reduction of at least one part of the iron(III) oxide and/or iron(III) hydroxide using at least one reductant that contains at least one hydrocarbon; and b) separation of at least one solid phase of the reaction mixture from at least one liquid and/or gaseous phase, the solid and/or liquid and/or gaseous phase comprising at least one valuable product that at least contains magnetite and the reductant comprising methane and/or natural gas and/or ethanol and/or carbon.</p> |
申请公布号 |
EP2016025(B1) |
申请公布日期 |
2014.08.13 |
申请号 |
EP20070728513 |
申请日期 |
2007.04.25 |
申请人 |
KRSYS GMBH |
发明人 |
KRAUSE, EBERHARD;RÖHM, VALENTIN |
分类号 |
C01B3/32;B01D21/00;B03C1/30;C01B3/38;C01F7/06;C01G49/08;C04B18/04 |
主分类号 |
C01B3/32 |
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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