Steam using in a condensate distillation.
Steam using in a condensate distillation.
(OP)
Dear colleagues,
I have a question about steam using in a condensate distillation column.
In this column, they designed a steam stream to the bottom of this column when the feed using for this column is very light. So, why do they design a steam stream go to the bottom of the condensate distillation column?
Otherwise, 2 strippers used steam stream for stripping light components. The result is water mixed to the diesel product. So, is it suitable for this design?
I hope that some of you can help me to explain these questions. Many thanks for your support.
Regards,
famnghia
I have a question about steam using in a condensate distillation column.
In this column, they designed a steam stream to the bottom of this column when the feed using for this column is very light. So, why do they design a steam stream go to the bottom of the condensate distillation column?
Otherwise, 2 strippers used steam stream for stripping light components. The result is water mixed to the diesel product. So, is it suitable for this design?
I hope that some of you can help me to explain these questions. Many thanks for your support.
Regards,
famnghia





RE: Steam using in a condensate distillation.
Using direct steam contact is one way of bringing heat into the system, without the risk of cracking the material. I think if you don't use steam, and simply try to get rid of the light material all in a conventional reboiler, that you might get some cracking reaction going on in the reboiler. So I suspect that's why they use steam.
For your other quesiton, namely formation of water, I guess that shouldn't be a problem. water can be easily seprated in the overhead and sent to Waste Water Treatment unit or Souer water treament unit.
RE: Steam using in a condensate distillation.
RE: Steam using in a condensate distillation.
When the dryness of the product diesel is a basic criterion, a bottom reboiled stabilizer to free it from light ends is used.
RE: Steam using in a condensate distillation.