RE: [PSUBS-MAILIST] Sodium Polyacrylate

[MerlinSub@t-online.de]

> 
> To deal with the condensate supplied via the Psubber maybe a Hazardous
> gas mask that only covers the nose and mouth, reverse the valve so you
> are breathing out through the filter canisters and fill the canisters
> with Crystals.
> 
> Steve P

Hi Steve I just play with the gas mask and differnet chemical - 
but before you do somethimg with this tool make sure that the 
stuff can not damage you longtime if you get it into your lungs.. 
regards Carsten 

> -----Original Message-----
> From: owner-personal_submersibles@psubs.org
> [mailto:owner-personal_submersibles@psubs.org] On Behalf Of Joseph
> Perkel
> Sent: Thursday, 7 September 2006 10:26 AM
> To: personal_submersibles@psubs.org
> Subject: RE: [PSUBS-MAILIST] Sodium Polyacrylate
> 
> 
> It would appear that this problem is both a common and significant
> enough 
> annoyance to warrant precisely what George is proposing...prototype and 
> testing. Unless someone has found an "off the shelf solution" which
> Carstens 
> posts lead me to believe, are probably non-existent or at least not 
> effective for this application.
> 
> So for my part I'd like to contribute data such as this MSDS link on
> this 
> substance...
> 
> http://www.sciencestuff.com/msds/C2688.html
> 
> As a medical professional, my mind leans toward watching out for
> exposure 
> hazards  I have seen the crystals on my daughter on occasion, and there
> is 
> some hoopla out there about it's use in diapers but, this stuff appears 
> pretty benign. Most anything is pretty bad for you these days.
> 
> The water absorbent properties seem too good to ignore for further
> study. 
> Still....I would take care to make sure it stays out of the air by using
> it 
> in crystal and not powder form.
> 
> Joe
> 
> 
> 
> 
> >From: MerlinSub@t-online.de
> >Reply-To: personal_submersibles@psubs.org
> >To: <personal_submersibles@psubs.org>
> >Subject: RE: [PSUBS-MAILIST] Sodium Polyacrylate
> >Date: 06 Sep 2006 21:41 GMT
> >
> >I just staring my test with the Co2 scrubber
> >partly filled with Silikagel cristalls.
> >
> >regards Carsten
> >
> >"Smyth, Alec" <Alec.Smyth@compuware.com> schrieb:
> > > George,
> > >
> > > If you build a prototype dehumidifier I'll be happy to test it for
> you
> > > in the sub. I think condensation accounts for a lot of the
> maintenance
> > > load, as everything basically ends up soaking wet.
> > >
> > > thanks,
> > >
> > > Alec
> > >
> > > 	-----Original Message-----
> > > 	From: owner-personal_submersibles@psubs.org
> > > [mailto:owner-personal_submersibles@psubs.org] On Behalf Of George
> > > Slaterpryce
> > > 	Sent: Wednesday, September 06, 2006 3:24 PM
> > > 	To: PSUBS Mailing List
> > > 	Subject: [PSUBS-MAILIST] Sodium Polyacrylate
> > >
> > >
> > > 	Ok, I can't find a pre-fab Hummidity filter made with this stuff
> > > anywhere online... I know that they are made... but my google-fu is
> not
> > > strong on this search.
> > >
> > > 	SO...
> > >
> > > 	I thought about how you might make one.
> > >
> > > 	First and foremost, used product will have to be switched out
> > > from time to time, so the main filter component will have to be easy
> to
> > > get to and switch out.
> > >
> > > 	Second to promote condensation and from there condensation
> > > inside the filter unit itself it'll have to be slightly cooler than
> the
> > > enviroment outside the filter... Problem... small refrigiration
> units
> > > are expensive (energy use wise)
> > >
> > > 	So, what I think one should do is to use a pipe with a fan on
> > > the intake side and a normal air filter on the outflow side. that
> > > inbetween the intake and outflow has a copper coil with a simple
> > > fountain (12vdc) pump that pushes rubbing alchohol through the pipe
> at
> > > speed. Probably accellerated via a kort like nozzle off the pump. It
> > > wouldn't cool well enough for a air conditioner, but it should
> promote a
> > > cool atmosphere inside the filter which would promote water to
> condense
> > > within the filter. In the center of the coil which is inside the
> pipe
> > > would be a tissue bag full of sodium polyacrylate. That once used
> can
> > > simply be pulled out and replaced.
> > >
> > > 	I'm thinking of taking a break from BugEye II to prototype this.
> > > Anyone interesting in providing a testbed if I do?
> > >
> > >
> > > 	George H. Slaterpryce III
> > > 	www.captovis.com
> > >
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