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Vacuum pumps for low vacuum duty?

Vacuum pumps for low vacuum duty?

Vacuum pumps for low vacuum duty?

(OP)
I am designing a vacuum sillpot (batch) for the distillation of 2,4 difluorobenzophenone from spent Friedel-Crafts catalyst.  I propose to use liquid ring vacuum pumps to get me down to a pressure of about 8mm Hg, corresponding to a phenone temperature of 200oC.  Can anyone tell me how many of these I am likely to require and how expensive they are.  I would prefer to use liquid rings as I don't want a vacuum device that involves mixing of the process fluid with the working fluid.  i propose to use the phenone as the liquid seal lso.  Does anyone have any ideas

Booker

RE: Vacuum pumps for low vacuum duty?

Hi Booker,

I suggest you contact (www.Nashpumps.com)..if you fail..I have there basic catalogue,may be I can help later

Regards,

Whylie (wayil@hotmail.com)

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