Memories

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Ah, memories.  Yes, that’s what we old farts do- we recall and rejoice- or cry- at the various stories and events of our lives.

And, the journal article I was reading today brought back a slew of memories.

Since the company about which I’ll speak still exists, I will be somewhat circumspect.  (Who knows if our confidentiality agreement still obtains?)

This manufacturer of pigments had a ‘little’ problem.  Over the decades, its effluent, which was collected in a ‘reservoir’, had accumulated significant levels of titanium dioxide (and ferrous sulphate).  The primary use of this compound was as a pigment (titanium white or Pigment White 6)- and was the primary component in white paint, as well as bright white paper.  Unfortunately, it’s a potential carcinogen- and is persistent in the environment.

Lake Copperas

So, we got hired to solve the problem of “Lake Copperas”   (the common name for ferrous sulphate).  No, to be more specific, we were hired to develop  a microbial solution to the problem. And, if you recall the article about John Mooney (who invented the modern, triple action, catalytic converter), sometimes these issues have cross-purposes.  (To solve one problem, you exacerbate the other.)

Happily- for our pocketbooks and our clients- we solved the problem.  Our microbes basically rendered the two pollutants into a form which was insoluble in water.  All the client had to do was dredge the lake (actually it just had to suck up the top inch of sediment at the bottom of the lake), perform a separation and then resell the collected titanium deposits.

My other memory of titanium dioxide?  This involved the times I was working with my pal, Gary Thompson, a most creative guy.  He developed a method to insulate buildings and install  roofing, based upon polyurethane foam.  (His company name was PUFF [polyurethane foam fabricators] with the jolly dragon as his logo!  Yes, he was a fan of that substance  [and, unfortunately, many others of that ilk].)

(Here’s where I discussed this more fully.)

Polyurethane Foam

We worked out a system to create very effective apple storage buildings.  Of course, the concept was based upon his polyurethane foam, which made the buildings secure (not leaking air)- as well as insulated.  We had exchanged the bulk of the air in the buildings for carbon dioxide- which prevented the apples from continuing to ripen, rendering the storage system pretty ideal.

Gary also  added a coating replete with titanium dioxide to cause about 85% of the incident solar radiation to bounce off the building.  Reducing the cooling demands for the apple storage facilities dramatically.

Yeah, reminiscing about the fun we had in the craziest places in the world.  Lake Copperas.  The Appalachian Region.  Backwoods Virginia.

Tomorrow, I’ll tell you about the cause of these specific reminisces.

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15 thoughts on “Memories”

  1. Puff, the Magic Dragon, huh? When I was a kid, had no idea! So, anyway, it sounds like you have your hands in a lot of pies. Are you a multi-potentialite? I am, but am terrible at juggling! I’ll be interested in hearing the reason behind your trip down memory lane, tomorrow.

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  3. haha your post brought back memories too;; until recently (when watching the movie Meet the Parents), I had no idea of those references to the children’s classic Puff the Magic Dragon.. 🙂
    I still have our copy of the book and the song (the book came with a cd)
    And totally agree with Jeanine about you being a multi-potentialite …
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