DIY Rotary Evaporator by Siskiyou Sam

Hee, hee, hee, don’t you just love synergism?

I posted  a rotary evaporator design based on available sanitary spools at the time, but didn’t build it because better options were becoming available, and Siskiyou Sam took the challenge and built one of his own design.

He has consented to share, so here tis:

More at

7 responses to this post.

  1. You should be a part of a contest for one of the best blogs online.
    I most certainly will highly recommend this site!


  2. Posted by vivida.vis on January 29, 2015 at 8:35 AM

    This seems like a DIY vacuum batch processor that’s attached to a cold trap. They use these in commercial confectionery kitchens minus the cold trap.


  3. “RotoVacs are relatively inexpensive to purchase for a lab grade unit” 2k is a cost I must just figure in as a cost of manufacturing. I can remove/recover 1000 ML’s in aprox. 4hrs, but @ 85*f w/-600 Torr vac. Ease of use, cannot be compared. Temp controled H2O bath, rotation 0-200 rpm. If I’m proccesing material, constantly, I need easy, compliant equipment to run. Can you please include the APROX. Cost? Does it come with collection glass?
    By no means am I saying ANYTHING negative! Necessity is the mother of invention! Without trial and error, where would we be?


  4. Posted by Dan Parker on January 28, 2015 at 9:22 AM

    Thanxx for the 411, I’m interested in doing 420 oil extraction. Can your rotary gizmo be applied to that effectively ??


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