Method for absorbing CO2 gas by using imidazole ionic liquid at low temperature

Method for absorbing CO2 gas by using imidazole ionic liquid at low temperature

  • CN 102,600,716 A
  • Filed: 03/30/2012
  • Published: 07/25/2012
  • Est. Priority Date: 03/30/2012
  • Status: Active Application
First Claim
Patent Images

1. glyoxaline ion liquid absorbs CO under the low temperature 2The method of gas is characterized in that, the ionic liquid of employing is a glyoxaline ion liquid;

  • And at-45 ℃

    of-0 ℃

    of ionic compounds that are liquid;

    May further comprise the steps;

    ionic liquid was carried out vacuum drying treatment 24 hours at 60 ℃

    , place in the reactor, vacuumize;

    Set absorption temperature-45 ℃

    -0 ℃

    , feed CO 2Gas or CO and CO 2Mist after, stir and to absorb, reach balance.

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