Method for obtaining valuable products

Method for obtaining valuable products

  • CN 101,472,836 B
  • Filed: 04/25/2007
  • Issued: 09/10/2014
  • Est. Priority Date: 05/04/2006
  • Status: Active Grant
First Claim
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1. by produce the method that the red mud producing in the process of aluminium obtains value product in Bayer process, it comprises the following steps:

  • A) by least one the reductive agent reduction at least a portion that comprises at least one hydrocarbon, be included in the oxide compound of the iron (III) in described red mud and/or the oxyhydroxide of iron (III);

    WithB) by least one solid phase of reaction mixture and at least one liquid phase and/or gas phase separation, wherein said solid phase and/or liquid phase and/or gas phase comprise at least one value product, and this value product comprises at least magnetite,It is characterized in that;

    Described reductive agent comprises methane and/or Sweet natural gas and/or ethanol, and described reduction is guiding reductive agent process red mud, under substoichiometric condition, carrying out.

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