Mods for running Bio
Senior User
Joined: Jan 2004
Posts: 138
Likes: 0
From: Medford, Oregon
OK, I casn see where I got sidetracked. I'm used to evacuating to 2milibar, and that would probablly suck fluid. You're dropping atmospheric pressure, but not enough to move fluid.
I remember now where you recover the methanol from - the glycerol. In a properly transestified batch of biodiesel, there is no methanol left, it combined with the FFA to form glycerol. by heating or evacuating the methanol, you can recover som of the methanol for reuse.
I remember now where you recover the methanol from - the glycerol. In a properly transestified batch of biodiesel, there is no methanol left, it combined with the FFA to form glycerol. by heating or evacuating the methanol, you can recover som of the methanol for reuse.
vac stuff
Laughing Gas
Joined: Jan 2006
Posts: 1,045
Likes: 5
From: Gig Em, Tx
No,the flow is from the still through the condenser then through a "wet tank" then the vac pump. Nothing goes through the vacuum pump. The wet tank is simply a 5 gal glass jug, it has 2 lines into the top, 1 line is hooked to the condenser,and goes to within an inch of the bottom. The other line is within an inch from the top, and is connected to the vacuum source. I am not at the shop this week as I have 3 speeches to give, Next week I will try to post pic's of the still. FABMANDELUX 
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