Method for producing caramel color from molasses alcohol waste liquor

Method for producing caramel color from molasses alcohol waste liquor

  • CN 101,554,223 A
  • Filed: 02/23/2009
  • Published: 10/14/2009
  • Est. Priority Date: 02/23/2009
  • Status: Active Application
First Claim
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1. , a kind of method with producing caramel color from molasses alcohol waste liquor, it is characterized in that:

  • the molasses alcohol waste liquid that the alcohol distillation tower is discharged is cooled to 30~

    45 ℃

    , regulate alcohol effluent pH value to 7.5~

    8.0 with ammoniacal liquor, the adding mass content is 0.5~

    5% biological assistant, mix, pre-reaction time 1 hour, post precipitation elimination sediment, the ammoniacal liquor that adds 5~

    20 kilograms then by per 100 kilograms of alcohol effluents, the mass content of ammoniacal liquor is 20-25%, is heated to 130 ℃

    , reaction time is 2~

    3 hours, through precipitation, filter or the centrifugal impurity of removing, concentrate drying promptly gets the caramel colorant product again.

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