A kind of graininess coal mass active carbon and preparation method thereof

A kind of graininess coal mass active carbon and preparation method thereof

  • CN 107,416,825 A
  • Filed: 08/31/2017
  • Published: 12/01/2017
  • Est. Priority Date: 08/31/2017
  • Status: Active Application
First Claim
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1. a kind of preparation method of graininess coal mass active carbon, comprises the following steps:

  • (1) the first coal and the second coal are mixed, obtains mixed coal;

    The content of ashes <

    4wt.% of first coal,The content of volatile matter is 31~36wt.%, and caking index is 0.5~2.0;

    The ash content <

    3wt.% of second coal, are wavedThe content of hair point is 28~30wt.%, and caking index is 0.2~1.0;

    (2) mixed coal is carried out to briquetting, oxidation, charing and activation successively and obtains activated material;

    (3) grading mill powder is carried out after the activated material is washed, obtains graininess coal mass active carbon.

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