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<p class="MsoNormal">I would suggest investing a quality PSA and ditching the purifiers. In the end the PSA will pay for itself and will be more reliable and requires little to no service. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span style="color:#002060;text-transform:uppercase">Deon D. Collins<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="color:#002060;text-transform:uppercase"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><span style="color:#002060"><br>
<i>Director of Facilities<o:p></o:p></i></span></p>
<p class="MsoNormal"><i><span style="color:#002060">The Grainger College Of Engineering UIUC</span></i><span style="color:#002060"><br>
</span><span style="color:#002060">Holonyak Micro & Nanotechnology Lab</span><span style="color:#1F497D"><br>
</span><span style="color:#13294B">208 N Wright St Rm. 1114 | MC-249</span><span style="color:#1F497D"><br>
</span><span style="color:#13294B">Urbana, IL 61801</span><span style="color:#1F497D"><br>
</span><span style="color:#13294B">217-300-7531 | </span><span style="color:#1F497D"><a href="mailto:deonc69@illinois.edu"><span style="color:#0563C1">deonc69@illinois.edu</span></a><br>
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</span><a href="http://illinois.edu/"><span style="color:#1F497D;text-decoration:none"><img border="0" width="119" height="21" style="width:1.2395in;height:.2187in" id="Picture_x0020_1" src="cid:image001.png@01DB7E19.96E258A0"></span></a><span style="color:#1F497D"><br>
<br>
</span><i><span style="color:#666666">Under the Illinois Freedom of Information Act any written communication to or from university employees regarding university business is a public record and may be subject to public disclosure.
</span></i><span style="color:#002060"><o:p></o:p></span></p>
<p class="MsoNormal"><u><span style="color:#1F497D"><o:p><span style="text-decoration:none"> </span></o:p></span></u></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;color:#A3238B">Life begins at the end of your comfort zone.
<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;color:#A3238B"> Propeck Amanda<o:p></o:p></span></b></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> labnetwork <labnetwork-bounces@mtl.mit.edu> <b>
On Behalf Of </b>Kyle Keenan<br>
<b>Sent:</b> Wednesday, February 12, 2025 3:10 PM<br>
<b>To:</b> Lab Network (labnetwork@mtl.mit.edu) <labnetwork@mtl.mit.edu><br>
<b>Subject:</b> [labnetwork] longevity of N2 purifiers<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hello All,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Our cleanroom has been in operation for 11 years and, for high purity N2, we use local purifiers. Given their age, I'm starting to wonder if/when they might need to be replaced. I've looked into it, and doing so would be quite costly. I
know there are a ton of variables at play, but generally speaking, for an 11,000 sq/ft facility that uses UPN2 on, perhaps, 15-20 pieces of research equipment and for N2 guns at ~15 wet benches, what would be your expectation? Is this something we even need
to worry about? <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I'd be interested to read your thoughts.<br clear="all">
<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Best,<o:p></o:p></p>
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<p class="MsoNormal"><span class="gmailsignatureprefix">-- </span><o:p></o:p></p>
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<p class="MsoNormal">Kyle Keenan<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Senior Manager - Laboratory Operations<o:p></o:p></p>
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<p class="MsoNormal">Quattrone Nanofabrication Facility<o:p></o:p></p>
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<p class="MsoNormal">University of Pennsylvania<o:p></o:p></p>
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<p class="MsoNormal">P: 215-898-7560<o:p></o:p></p>
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<p class="MsoNormal">F: 215-573-4925<o:p></o:p></p>
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