Evaporation of juice containing carbon

  1. as a process worker may someone with more technical knowledge answer question below please

    1. we have a juice which contains some Carbon.I am finding it harder to evaporate due to the Carbon.Why is juice harder to evaporate with Carbon in it then juice without Carbon?

    Cheers

    Trent H
     
  2. jcsd
  3. NascentOxygen

    Staff: Mentor

    [​IMG] Hi trenthoskings!

    If you are able to give more information, someone might be able to suggest a theory. By "juice" I presume you mean the juice of an edible fruit or vegetable? All such juices contain lots of carbon atoms, along with hydrogen and oxygen and others. I can't imagine that you mean contamination with soot particles, so maybe the lack of responses to your query means that other readers are as mystified as I am.

    It sounds an intriguing observation, so can you elaborate?
     
  4. Hi NascentOxygen

    Sorry for late responce.Thanks for your reply

    Yes the grape juice had Carbon added to the juice to help remove certain compounds.It was harder to evaporate the juice with the added Carbon then juice without the added Carbon.

    The juice was send through a Evaporator using Steam as the heating source.More steam was needed to evaporate the Carbon juice then the non-carbon juice

    Thanks

    Trent
     
  5. NascentOxygen

    Staff: Mentor

    Hi trenthoskings. So the carbon was what? Powdered charcoal, or chunks of porous carbon? It was allowed to settle out, was it? Or it came to the surface and was skimmed off?

    So we can be sure there was really none of this carbon additive itself in what went to the evaporator?

    I'm curious to know why grape juice goes to an evaporator? Is this to make a condensed syrup, or what is the final product?

    What unwanted compounds are the carbon removing? Are these compounds recovered for industrial use in another part of the factory?

    I'll login and look for your reply in about a month's time? :smile:
     
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