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Process and apparatus for dedusting a vapor gas mixture

  • US 9,221,062 B2
  • Filed: 10/10/2012
  • Issued: 12/29/2015
  • Est. Priority Date: 10/21/2011
  • Status: Active Grant
First Claim
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1. A process for dedusting a dust laden vapor gas mixture (VGM) obtained by pyrolysis of a material containing hydrocarbons, the process comprising:

  • treating the dust laden VGM in a dry electrostatic precipitator at a temperature in a range from 380 to 480°

    C. so as to separate dust from the VGM; and

    after removal of the dust in the electrostatic precipitator;

    cooling the VGM;

    directing the VGM to at least one further electrostatic precipitator; and

    treating the VGM in the at least one further electrostatic precipitator at a temperature selected so as to separate a predetermined fraction of the oil.

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