Date: Tue, 6 May 2025 11:47:05 -0700
Hi John,
Our collection bag sits on the "roof" of a room inside a larger room.
Inside the small room is most of our helium recycling equipment
(compressor, purifier, and liquifier). Our bag is a lot smaller than
yours though - it's only 8.5 cubic meters.
-Robert
On 5/5/25 10:47, John H Grimes Jr. via groups.io wrote:
>
> Dear AMMRL,
>
> We currently have three 30 cubic meter bags that are well past the end
> of their expected lifetime. These are rectangular and roughly 12 feet
> high by 12 feet wide by 6 feet deep and stand on end such that the
> helium is drawn from the bottom of their narrow side. They always
> have a bulge at the top even when mostly empty. We have high ceilings
> (26.5 feet) and there is a lot of unused space. I am interested if
> there are any other facilities that have hung bags from the ceiling or
> built a platform to get them off the floor? If so, was this a good
> idea or does it cause other problems? Any pictures would be of
> interest. Also, is it a purely aesthetical desire of mine to have a
> non-symmetrical bag lie such that its shortest dimension is its height
> and will thus be drawn down closer to being flat than our current
> arrangement will?
>
> Thanks,
>
> John
>
> John Grimes | NMR Facility Manager
> Complex Carbohydrate Research Center, University of Georgia
> 315 Riverbend Road
> Athens, GA 30602-4712
> (706) 542-4483
> jgrimesjr_at_uga.edu <mailto:jgrimesjr_at_uga.edu>
>
>
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(image/jpeg attachment: UCLA_He_collection_bag_1.jpg)
(image/jpeg attachment: UCLA_He_collection_bag_2.jpg)