Problem with short-pass

w.brooke

w.brooke

New Member
Hello,

I'm working with the Equipment: (short-pass, vacuum, controller vacuum and circulator) and want to start my fractionate distillation on raw oil. I switch on the vacuum, controll the stability of it and go as high as i can with it (1 kPa). Then i start raising gradually the temperature slowly (i have a probe Inside the liquid to controll the temperature).
I have to go to 250 C* to have ebulltion, even higher to have my first oil fraction, and i don't understand why. Furthermore, i afraid to degrade the cannabionoïd.

I really need your help on this because i tried to change all the parameter and it doesn't seem to affect the process. Can you help me?
 
KLITE

KLITE

Well-Known Member
It sounds like you either having a problem with the condenser temperature or having an issue with pulling down vacum?
 
ander20n

ander20n

Member
w.brooke said:
Hello,

I'm working with the Equipment: (short-pass, vacuum, controller vacuum and circulator) and want to start my fractionate distillation on raw oil. I switch on the vacuum, controll the stability of it and go as high as i can with it (1 kPa). Then i start raising gradually the temperature slowly (i have a probe Inside the liquid to controll the temperature).
I have to go to 250 C* to have ebulltion, even higher to have my first oil fraction, and i don't understand why. Furthermore, i afraid to degrade the cannabionoïd.

I really need your help on this because i tried to change all the parameter and it doesn't seem to affect the process. Can you help me?
Click to expand...
You need a stronger vacuum pump. I promise that is your problem. More vacuum, less heat is needed to distill (evaporate) our cannabinoids as an absolute.
 
Go go n chill

Go go n chill

Well-Known Member
Is there a thread that discusses making distillate at home? Their answers a bunch of questions like what to buy and what not to buy .
And then what to do once you have all the equipment.
 
DemonTrich

DemonTrich

Well-Known Member
Head over to future4200. You'll learn more over there for extracts in 7 days than you will in years on a grow forum.


To make distillate, you need quite an elaborate setup

Glassware kit for a 2 liter will run about 1000

Powerful enough vacuum (I own a welch 1400 and a 1402, and an Edward's spedivac). You should be hitting about 200 microns or lower for proper distillation.
New runs about 2900, used can be found for about 500-800

Chiller/ heater recirculator
Used they run about 1500

And miscellaneous odds n ends. I have a 600 bullseye vac gauge

And then you need to know how to setup, use, run successfully. And you need crude material to put in the spd system.

Crude = ethanol extract, iso extract, or bho. Must be winterized, decarbed, degummed of possible.
 
ander20n

ander20n

Member
DemonTrich said:
Head over to future4200. You'll learn more over there for extracts in 7 days than you will in years on a grow forum.


To make distillate, you need quite an elaborate setup

Glassware kit for a 2 liter will run about 1000

Powerful enough vacuum (I own a welch 1400 and a 1402, and an Edward's spedivac). You should be hitting about 200 microns or lower for proper distillation.
New runs about 2900, used can be found for about 500-800

Chiller/ heater recirculator
Used they run about 1500

And miscellaneous odds n ends. I have a 600 bullseye vac gauge

And then you need to know how to setup, use, run successfully. And you need crude material to put in the spd system.

Crude = ethanol extract, iso extract, or bho. Must be winterized, decarbed, degummed of possible.
Click to expand...
It can definitely be done for cheaper once you have it down. But if you're starting as a novice in the organic chemistry world, then yes it will be very hard to create the conditions you need throughout the system cheaply. But I have built $1,000 systems for buddys using cheap glass, and plug in heating coils using a regular water pump and monitoring temperatures. But mind you this is with a very good understanding how everything works, and why everything works the way it does.
 
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