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Author: Subject: Destructive distillation questions
nb198
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[*] posted on 23-3-2014 at 19:06
Destructive distillation questions


I am interested in synthesizing cadaverine from L-lysine. I heard that this was possible via destructive distillation of L-lysine. L-lysine just needs to be decarboxylated to become cadaverine.

I have never done a destructive distillation before. From what I read, it must be done in the absence of air. Would an atmosphere of pure nitrogen suffice?

Does anyone have any experience with destructive distillation? Should my setup be like the ones I see in the coal distillation videos on Youtube?

Could it be decarboxylated using a microwave?

Any help is appreciated!
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Nicodem
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thioacetone
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[*] posted on 25-1-2023 at 17:08


Does anyone know if I can use CO2 as an inert atmosphere? I don't have nitrogen.
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Sulaiman
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[*] posted on 26-1-2023 at 09:09


I have zero experience here but
as a product of decarboxylation is CO2
I guess that CO2 would be an excellent 'inert' atmosphere
and it is conveniently denser than air.




CAUTION : Hobby Chemist, not Professional or even Amateur
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Fulmen
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[*] posted on 26-1-2023 at 09:31


Maybe? Many processes are governed by equilibrium, if so the CO2 atmosphere might impede the reaction.



We're not banging rocks together here. We know how to put a man back together.
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Herr Haber
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[*] posted on 26-1-2023 at 10:23


Why dont you go the wet route instead ?
The yields seem much better and slightly less messy.




The spirit of adventure was upon me. Having nitric acid and copper, I had only to learn what the words 'act upon' meant. - Ira Remsen
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