How much more efficient are closed loop systems?

As far as butane usage goes? Vs. Open blasting. I've read people say they are more efficient since you get to recycle your butane... But, how much? Twice as efficient?

think about it....

waste 100% of your butane in a dangerous degas or collect it clean for use again. I'd call that closer to
200% efficiency, factoring in the explosions we read about with open blasting.
check out a website for a closed loop you can afford and read there stats, its in there.

Thanks bro.. what about active vs passive? It seems that the main difference is active just recovers the butane quicker, making it more efficient? But they both ultimately recover the same amount?
They can be upgraded to active later if wanted anyways, right?

Sorry for all the questions, I really appreciate the help!

ForeverGreen42 said:

Thanks bro.. what about active vs passive? It seems that the main difference is active just recovers the butane quicker, making it more efficient? But they both ultimately recover the same amount?
They can be upgraded to active later if wanted anyways, right?

Sorry for all the questions, I really appreciate the help!

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I dunno about all the different options.

When I researched, the Tamisium unit ticked all the boxes for me and I never looked back, still tickin all the boxes and never an issue.

chemphlegm said:

I dunno about all the different options.

When I researched, the Tamisium unit ticked all the boxes for me and I never looked back, still tickin all the boxes and never an issue.

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Do you know if you have an active or passive system? Like does it have a pump with it that pumps the butane into a reclaim tank?

I have no pump its self contained. It uses slight temp changes to facilitate the reclaim, like 100f evaporates the butane reclaimed to the cold can at the other end, and leaves the oil behind. google them up, the two ounce one

Maybe start by considering the improved safety, and follow with the environmental effect of the exploration, drilling, refining, and delivery of the LPG by the time it in your hands, and that it adds to ground smog when released.

All closed loop systems aren't created equal, but consider one certified to ASME Section VIII, which means there is at least a 3X safety factor on all components. If the system isn't ASME certified, it is unlikely that the supplier is able to obtain product liability insurance.

If you are operating a licensed system, both open blasting and closed loop have to be operated in a manner consistent with IBC, IEC, and NFPA-58, which clearly open blasting isn't.

Now after that circumlocution, in answer to your question, a closed loop system is but a tool, which when operated properly can extract more high quality concentrate, using less butane, as well as do things not possible open blasting.

Things like predistilling the LPG to remove mystery oil or doing a cotton candy shatter finish.

Higher return yields too, i find.

KLITE said:

Higher return yields too, i find.

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Good point! We upped our average recovery a couple percentage points.

How do you get cotton candy?

cookie master said:

How do you get cotton candy?

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Using a sight glass in the collection pot lid, watch the pool and when the visible LPG is gone, with bubbles still popping (ploooping) regularly, valve off the recovery pump and valve on the high vacuum pump, so that the remaining liquid is inflated into foam. Hold it in foam condition until it dries in that state.

Back fill with N2 and when you open the pot you will have Cotton Candy that is below 10% of Lower Explosive Limits.

you refer to high vacuum pump, do you think a faucet aspirator can do it? its all outdoors on a windy day.

Never tried it, but depending on temperature and flow, you can get around -28.5 Hg with an aspirator, which should do it.

cookie master said:

you refer to high vacuum pump, do you think a faucet aspirator can do it? its all outdoors on a windy day.

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i use a sink asp.to speed up my buchner funnel filtration.powerful little things and you can control your vac.i think mine cost around $25.just a heads up,mine doesnt fit a regular sink faucet thread(not the same size as a lab faucet) you may have to pick up some simple adapters at the hardware store to fit it properly.