Wednesday, April 22, 2015

Final Prototype

My particular prototype for mixing hazardous liquids with an absorbent is effectively a blender.  A weighted ring holds the bag liner in place to prevent damage to the bag.  A lid is lowered into place which has a single rotating blender head.  The mixture gets stirred by the blender, then the ring is left inside of the bag during transport and treatment.


Concept drawing.

For my own test run, I used a cup with a blender head place through a screw-on head.  Unfortunately, I was unable to find any appropriate absorbent at retail, and so the closest approximation to Walmart's absorbent powder was a number of paper towels cut into confetti-like bits.

The various items used in the experiment.

There was a distinctive increase in the rate at which the water was absorbed while using the blender head versus not using it.  However, the paper towel pieces simply "squished" into the water.  This behavior was virtually nothing like the absorbent powder used by Walmart.  Kitty litter didn't fare much better.  It was difficult to mix in and lacked overall absorbency.

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