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Purpose of distillation?

  1. Sep 30, 2008 #1
    What are the three purposes of distillation??

    I only know the main purpose of distillation, which is to separate liquid mixture into two or more products with different compositions...

    I can't come up with three purposes!! :(
     
  2. jcsd
  3. Sep 30, 2008 #2

    mgb_phys

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    Badly worded question - you have the correct answer.
    They probably want three reasons why you want to do that.
    eg you want the stuff that comes off, you want the stuff that remains, or you want both!
     
  4. Sep 30, 2008 #3
    1. to get the most pure form of liquid?
    2. ?
    3. ?

    ??
     
  5. Sep 30, 2008 #4
    it is a simple method?
     
  6. Sep 30, 2008 #5

    DaveC426913

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    To identify an utherwise unknown substance by measuring its boiling point?
     
  7. Sep 30, 2008 #6

    mgb_phys

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    What about making - fresh water from seawater, making whiskey, separating oil components?
     
  8. Feb 2, 2010 #7
    Commercially, distillation has a number of applications. It is used to separate crude oil into more fractions for specific uses such as transport, power generation and heating. Water is distilled to remove impurities, such as salt from seawater. Air is distilled to separate its components—notably oxygen, nitrogen, and argon—for industrial use. Distillation of fermented solutions has been used since ancient times to produce distilled beverages with a higher alcohol content.
    -wikipedia
     
  9. Feb 2, 2010 #8

    DaveC426913

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    I think he may have handed this asssigment in by now... :biggrin:
     
  10. Feb 2, 2010 #9
    lol i know that but the course still goes on year after year with the same questions (CHM138) so if anyone in later years comes across this thread looking for an answer to the same question well there ya have it:P
     
  11. Feb 7, 2010 #10
    LOL so true and thanks soo much for the help! :biggrin:
     
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