<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Had another look at the activated charcoal filters.</div><div id="AppleMailSignature">There is a lot of information out there with the "Indoor plant growing community"</div><div id="AppleMailSignature">They want to get rid of the plant smell.</div><div id="AppleMailSignature">I am thinking of having a very small unit & only turning it on if the sub starts to</div><div id="AppleMailSignature">smell bad. </div><div id="AppleMailSignature">I will buy a small computer fan & some activated charcoal & see how</div><div id="AppleMailSignature">much charcoal it can push air through without drawing too much amps or cavitating.</div><div id="AppleMailSignature">Alan<br><br>Sent from my iPad</div><div><br>On 3/02/2018, at 4:03 PM, Rick Patton via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div>In our sat systems, our charcoal “fart scrubber” canisters were separate from the soda sorb canisters for some reason, cross contamination?</div><div> I would tend to have the charcoal down stream if you were going to combine them just so there was no way any charcoal dust could inhibit the efficiency of the medium. </div><div>Rick </div><div><br><div class="gmail_quote"><div>On Fri, Feb 2, 2018 at 2:22 PM Stephen Fordyce via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div>Yes, I think that's a reasonable line of thinking.<br><br></div>Steve<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Feb 3, 2018 at 11:19 AM, Alan via Personal_Submersibles <span><<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div>Thanks Steve,</div><div id="m_5162030878225850534m_829832443838316366AppleMailSignature">I haven't started my scrubber design, but it shouldn't be too</div><div id="m_5162030878225850534m_829832443838316366AppleMailSignature">far away. I presume the carbon would go in the intake side to</div><div id="m_5162030878225850534m_829832443838316366AppleMailSignature">avoid the moisture that's a bi-product of scrubbing.</div><span><div id="m_5162030878225850534m_829832443838316366AppleMailSignature">Alan<br><br>Sent from my iPad</div></span><div><div class="m_5162030878225850534h5"><div><br>On 3/02/2018, at 12:59 PM, Stephen Fordyce via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div><div><div><div>Hi guys,<br></div>I can't see any particular issues with adding activated carbon to your scrubber (and it's used as the final filtration in most SCUBA compressor filters) so long as you avoid dust.
One thing to be mindful of is that it's a fuel and shouldn't see high oxygen concentrations. If you wanted to be really fancy, you could also add some "hopcalite"/"monoxycon", which is a granular catalyst to convert carbon monoxide into carbon dioxide (also used in SCUBA compressor filtration).<br><br></div><div>Alan, I have Lawrence Factor (high grade breathing-air) activated carbon and hopcalite in Australia already if you need some, but I think you would find them in NZ.<br></div><div><br></div>Cheers,<br></div>Steve Fordyce<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Feb 3, 2018 at 10:41 AM, Alan via Personal_Submersibles <span><<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div>Sorry forgot link, (getting old)</div><div id="m_5162030878225850534m_829832443838316366m_7382519201475722288AppleMailSignature"><a href="https://www.amronintl.com/comex-lung-powered-carbon-dioxide-co2-scrubber.html" target="_blank">https://www.amronintl.com/comex-lung-powered-carbon-dioxide-co2-scrubber.html</a></div><span><div id="m_5162030878225850534m_829832443838316366m_7382519201475722288AppleMailSignature">Alan</div><div id="m_5162030878225850534m_829832443838316366m_7382519201475722288AppleMailSignature"><br><br>Sent from my iPad</div></span><div><div class="m_5162030878225850534m_829832443838316366h5"><div><br>On 3/02/2018, at 11:47 AM, Alan via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div>Just doing a quick Google I came across this lung powered CO2 </div><div id="m_5162030878225850534m_829832443838316366m_7382519201475722288AppleMailSignature">scrubber that has a carbon filter in it as well. The addition of</div><div id="m_5162030878225850534m_829832443838316366m_7382519201475722288AppleMailSignature">the carbon filter mustn't restrict the flow too much especially </div><div id="m_5162030878225850534m_829832443838316366m_7382519201475722288AppleMailSignature">as it's a lung powered device.</div><div id="m_5162030878225850534m_829832443838316366m_7382519201475722288AppleMailSignature">Alan<br><br>Sent from my iPad</div><div><br>On 3/02/2018, at 10:39 AM, hank pronk via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:13px"><div></div>
<div>Steve,</div><div>I have proper absorbent coming and will do another life support test with both scrubbers for two people and will test the charcoal affect.</div><div>Hank</div><div><br></div>
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On Friday, February 2, 2018, 2:09:40 PM MST, Steve McQueen via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:
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<div><div>Yes I have a scrubber from Emile. However, I reduced it's stock height to mount vertically. I am planning on testing the charcoal configuration as part of the scrubber tests. Would be interested in hearing any results/observations you eventually have. <br clear="none">Thanks,<br clear="none">Steve<br clear="none"><div class="m_5162030878225850534m_829832443838316366m_7382519201475722288yqt0023911643" id="m_5162030878225850534m_829832443838316366m_7382519201475722288yqtfd25739"><br clear="none">---- hank pronk via Personal_Submersibles <<a shape="rect" href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote: <br clear="none">> Steve, I agree, I figure with my radial scrubber witch is also my manual backup scrubber. I would put the charcoal at the bottom, witch makes it contact the air first. My reasoning is if there is smoke in the sub, it will get cleaned up first ahead of the Soda Sorb. If I recall you have a scrubber from Emile? so the same would apply. Hank<br clear="none">> On Friday, February 2, 2018, 11:37:27 AM MST, Steve McQueen via Personal_Submersibles <<a shape="rect" href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote: <br clear="none">> <br clear="none">> Hank, I was thinking the same. In my mind as long as the scrubber media in the reduced capacity (80%) is understood and acceptable I can't see any issues with this combined process. Maybe the charcoal should be first? <br clear="none">> <br clear="none">> Thanks,<br clear="none">> Steve<br clear="none">> <br clear="none">> ---- hank pronk via Personal_Submersibles <<a shape="rect" href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote: <br clear="none">> > Hi All,Okay maybe crazy idea. I want a charcoal air filter in Gamma and in the interest of keeping it simple. I though I could fill my scrubber with CO2 absorbent to say 80% then place a screen barrier and finish filling with activated charcoal. Thoughts?Hank<br clear="none">> <br clear="none">> _______________________________________________<br clear="none">> Personal_Submersibles mailing list<br clear="none">> <a shape="rect" href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a><br clear="none">> <a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none">><br clear="none"><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a shape="rect" href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a><br clear="none"><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div></div></div>
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