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Will QND dry WVO enough to perform acid/base procedure? I can need another source and have one that I quit because it titrated at 12 and I never had good luck drying oil by heating and spraying, and besides, I'm trying to use as little energy as possible. So I'm thinking about QND to dry oil before processing. Also, how much of a pain is it to take oily QND and dry it? Will I have to do it after every batch?
 
Location: Somewhere in the swamp... | Registered: April 03, 2008Reply With QuoteReport This Post
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I use Q&D and I doubt you will have much success using Q&D on dirty oil. I suggest an upflow cell with a layer of waste glycerol in the bottom as discussed here:
http://biodiesel.infopop.cc/ev...?r=55710348#55710348
Then run the output from the upflow cell through a Q&D column to ensure dry oil.

quote:
I never had good luck drying oil by heating and spraying,
Many would agree with you. Warming and settling seems to be more effective on problem oil. Of course food particles, PHO and fats will retain water more than clear oil, which adds to the problem.



 
Location: coldest N.America | Registered: May 03, 2005Reply With QuoteReport This Post
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quote:
Originally posted by john galt:
I use Q&D and I doubt you will have much success using Q&D on dirty oil. I suggest an upflow cell with a layer of waste glycerol in the bottom as discussed here:
http://biodiesel.infopop.cc/ev...?r=55710348#55710348
Then run the output from the upflow cell through a Q&D column to ensure dry oil.

quote:
I never had good luck drying oil by heating and spraying,
Many would agree with you. Warming and settling seems to be more effective on problem oil. Of course food particles, PHO and fats will retain water more than clear oil, which adds to the problem.


John, interesting. But doing this seems to be the same thing as doing a glc pretreatment. Do you think performing pretreatment, drain glc, then circulate pretreated oil thru QND tower back into the processor work? If done while still warm, would being tht help QND to remove water?

How much trouble is it to clean and dry QND?
Thanks for your time.
 
Location: Somewhere in the swamp... | Registered: April 03, 2008Reply With QuoteReport This Post
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quote:
Originally posted by irokcj5: Do you think performing pretreatment, drain glc, then circulate pretreated oil thru QND tower back into the processor work? If done while still warm, would being tht help QND to remove water?

How much trouble is it to clean and dry QND?
Thanks for your time.


I suggest an upflow cell with a layer of waste glycerol in the bottom as discussed here:
http://biodiesel.infopop.cc/ev...?r=55710348#55710348
Then run the output from the upflow cell through a Q&D column to get dry oil.

It's rather easy to clean and dry Q&D if it's been used with clean oil. Spread the Q&D on a layer of paper towel with newspaper beneath and let it air dry. The clean oil drains off.

This message has been edited. Last edited by: john galt,



 
Location: coldest N.America | Registered: May 03, 2005Reply With QuoteReport This Post
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quote:
I suggest an upflow cell with a layer of waste glycerol in the bottom as discussed here:
http://biodiesel.infopop.cc/ev...?r=55710348#55710348


Dead link. Confused


Andrew

http://biodieselcommunity.org
03 Dodge 2500 B100 homebrew
79 Rabbit B100 homebrew
 
Location: Northern California | Registered: February 27, 2006Reply With QuoteReport This Post
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