From: cdorrough@nortonconsultants.com   
      
   "Henry Spencer"  wrote in message   
   news:I7otF3.7pt@spsystems.net...   
   > In article ,   
   > Cameron Dorrough  wrote:   
   > >If the fluid was at least partly volatile (eg. alcohol.. ;-) you could   
   > >circulate it through a cross-flow heat exchanger to heat it up past   
   boiling   
   > >point.   
   >   
   > One problem that arises is that some of the fluids you'd like to distill,   
   > e.g. urine, don't take well to serious heating -- they tend to leave   
   > deposits behind.   
      
   True - I was thinking the OP had analytical experimentation in mind..   
      
   Urine would need some serious filtration - even as a superheated vapour - to   
   get the muck out of it.  Is it only the water that would be required or are   
   there other useful compounds in there as well??   
      
   Cameron:-)   
      
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