the NSEP should also be listed. US army is their primary customer.
How did you come up with the 1kW per gallon per hour figure? What temp are you introducing your ethanol mix at and what is your target temp for boiling it off? The math I have on latent heat of vaporization and real world experience suggests thats significant overkill for 1 gal/hr recovery
It may be he considered the rate of heat transfer between water to surface and surface to solvent.
agreed. by about 25%. if you don’t count heating the water.
but you put that 8still gal in a 50 gal drum & heat up 35gal of the water to 78C, that’s 9kWhrs on the water alone.
I would argue that a 5500W water heater element is appropriate…and would suggest less than 20gal water.
If you’d care to correct my math, by all means…
also depends on how much of that solvent you really want back, it does get harder to pull towards the end.
nah, seat of my pants 
but I did neglect to give the more accurate 0.75kWhrs, because I was taking into account that big bolus of water.
I was also assuming they would graduate to a 15gal keg in the same 50gal boiler without upgrading the heater. I apologise for not showing my work. I did state the reasons for running with a known high estimate.
I left the real math around for anyone who cares.
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we design and sell unit that can distill this quantity of ethanol. we are currently finishing a build that would process about 80-100 liters of ethanol per hour. we are also adding a purification system for the ethanol as well so its a better quality of ethanol for re-use in the clients set up
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What would you guys say is the best bang for your buck (and time) as far as solvent recovery solutions go?
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Have a link?
most people seem to be highly interested in our agitated systems. it depends upon what volume you are looking to remove from your product and to what levels you are trying to achieve?
Do you have photos of your systems i can take a peek at?
This quote really focuses in on the biggest problem for ethanol extraction, which is purging solvent. If you use less solvent, your equipment can be scaled down too, and still push out a lot of crude.
yes, we will try to post a picture here or you cane-mail us at info@advancedcannabisdistillationequipment.com
you’re using a china Wiped film unit for recovering ethanol??!?!?!
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No, we make our own systems in our 25,000 square foot facility located near San Diego,California. we also offer integrated distillation equipment both large and small scale and are specialist in fractional distillation and purification of unique products including herbal extracts. We do our own internal designs and also offer technical consulting. we are NOT a Chinese company and we know some people prefer China since it is lower cost but we are very economical and can compete with China
Whats the price tag on your 80-100L per hr recovery system?
@DrJosh are the pictures above supposed to be your solution for recovering 80-100liters of Ethanol an hr? Can you explain where the required heating or cooling is coming from?
Or where the 100liters of Ethanol is coming from or leaving to?
If they are NOT supposed to represent the system mentioned below, why exactly were they posted?
@QGA asked for pictures in response to the above. So the logical assumption is those pictures are supposed to be your recovery solution.
I don’t see how either unit shown can recover 100l an hr for more than 2min as pictured, nor do I see anything approaching the required heating or cooling.
Can you please clarify the relationship between the pictures, and the unit you’re suggesting the OP purchase from you to recover 80-100liters per hr.
Am I looking at two stills? Where does your feed go? Is the stainless tank your trap for liquid or do you put the thing in a trash can full if dry ice as a vacuum trap? Not much condenser going on there, looks like a libig in the back with a reflux condenser to catch vapor. How much did you say you were able to process? Is this a batch process?