Re: [AMMRL] Helium Collection Bags

From: Steve Bai via groups.io <bais=udel.edu_at_groups.io>
Date: Tue, 6 May 2025 13:56:28 -0400

Hi John,

A custom-designed bag (18' x 6' x 4') is positioned on a 9-foot-tall
platform, as shown in the picture. This setup has been working well for us.
We use a 12-foot ladder to access the bag when needed.

Steve


Chemistry and Biochemistry
University of Delaware



On Tue, May 6, 2025 at 10:39 AM 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
>
>


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helium_recovery_udel.jpg
(image/jpeg attachment: helium_recovery_udel.jpg)

Received on Tue May 06 2025 - 12:27:48 MST

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