Whats the problem
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Senior User
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Whats the problem
I just cooked 50 gal. of glycerol for 2 1/2 days @ 180-190* and only recovered about 15gal of methanol. The 25 gal. or so I cooked on my first batch I recovered 13gal. around 50%. Why the drop in yield, I set everything up the same.
Any ideas???
Any ideas???
Post Fiend
Joined: Jan 2005
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From: Paradise Found!
Originally Posted by Gun-Driver
I just cooked 50 gal. of glycerol for 2 1/2 days @ 180-190* and only recovered about 15gal of methanol. The 25 gal. or so I cooked on my first batch I recovered 13gal. around 50%. Why the drop in yield, I set everything up the same.
Any ideas???
Any ideas???
Thread Starter
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Senior User
Joined: Nov 2005
Posts: 221
Likes: 0
I thought people were getting 50% recovery. The first batch might have been a little more than 25 gal it was the first time with my tank and I didn't mesure the amount going in. The glycerol was in a bunch of cubes, some filled more than others.
Another question?? When the glycerol is cooking my sight tube has mostly a clear liquid in it with the brown glycerol at the bottom, but when I drain it it all comes out brown-no seperation. What's the clear liquid??
Another question?? When the glycerol is cooking my sight tube has mostly a clear liquid in it with the brown glycerol at the bottom, but when I drain it it all comes out brown-no seperation. What's the clear liquid??
Post Fiend
Joined: Jan 2005
Posts: 26,337
Likes: 12
From: Paradise Found!
Originally Posted by Gun-Driver
I thought people were getting 50% recovery. The first batch might have been a little more than 25 gal it was the first time with my tank and I didn't mesure the amount going in. The glycerol was in a bunch of cubes, some filled more than others.
Another question?? When the glycerol is cooking my sight tube has mostly a clear liquid in it with the brown glycerol at the bottom, but when I drain it it all comes out brown-no seperation. What's the clear liquid??
Another question?? When the glycerol is cooking my sight tube has mostly a clear liquid in it with the brown glycerol at the bottom, but when I drain it it all comes out brown-no seperation. What's the clear liquid??
Posting Guru
Joined: Aug 2006
Posts: 2,175
Likes: 0
From: Kent WA
Originally Posted by Gun-Driver
I thought people were getting 50% recovery. The first batch might have been a little more than 25 gal it was the first time with my tank and I didn't mesure the amount going in. The glycerol was in a bunch of cubes, some filled more than others.
Another question?? When the glycerol is cooking my sight tube has mostly a clear liquid in it with the brown glycerol at the bottom, but when I drain it it all comes out brown-no seperation. What's the clear liquid??
Another question?? When the glycerol is cooking my sight tube has mostly a clear liquid in it with the brown glycerol at the bottom, but when I drain it it all comes out brown-no seperation. What's the clear liquid??
Posting Guru
Joined: Aug 2006
Posts: 2,175
Likes: 0
From: Kent WA
Originally Posted by Gun-Driver
Yes I'm using my apple seed type cooker with a condenser unit attached to the hotwater out side of the tank.
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