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How much CO2 in a 10lb tank #7779508
01/22/23 03:05 PM
01/22/23 03:05 PM
Joined: Aug 2021
Posts: 102
Tennessee
T
TNADC Offline OP
trapper
TNADC  Offline OP
trapper
T

Joined: Aug 2021
Posts: 102
Tennessee
I fill a chamber at a flow of 24 lpm or .84 cfh for 5 minutes. After 5 minutes, I reduce it to just above off to keep positive pressure. Any idea how many times I can do this before running out of CO2?

Rainy Sunday in Knoxville and the magical "google box" is not helping me out.

Thanks

Re: How much CO2 in a 10lb tank [Re: TNADC] #7780809
01/23/23 11:59 PM
01/23/23 11:59 PM
Joined: Dec 2020
Posts: 1,057
Wisconsin
Scott__aR Offline
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Scott__aR  Offline
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Wisconsin
We don't have all the information,

so a few assumptions:
5 min at 24 lpm fills the container = 120 liters (31.7 gal) volume

reduce it to just above off to keep positive pressure > to many variables (is not be calculable with available information)

@ std conditions -
1 pound of CO2 = 247 litre (8.7 ft3) volume
10 lbs of CO2 = 2470 litre volume

10 lbs CO2 (2470l) 120l/fill = 20 fills from 10lbs CO2


Therefore-
Since we can't calculate the volume usage to maintain a positive pressure in the container
The number of fills for an assumed 120 litre container from 10lbs CO2 will be less than 20. It may be significantly less depending on the flow rate and time required to maintain positive container pressure.


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Re: How much CO2 in a 10lb tank [Re: Scott__aR] #7781033
01/24/23 10:59 AM
01/24/23 10:59 AM
Joined: Aug 2021
Posts: 102
Tennessee
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TNADC Offline OP
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TNADC  Offline OP
trapper
T

Joined: Aug 2021
Posts: 102
Tennessee
Thank you sir. The "almost off" is a variable I can not put a firm number on as well. I guess I could say completely off. 20 fills should be a good "rule of thumb". Thanks for your response.

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