Glycerol and spent lye clarification - Illinois Institute of Technology
Glycerol and spent lye clarification - Illinois Institute of Technology
Glycerol and spent lye clarification - Illinois Institute of Technology
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catching any chlorine that may be present or water<br />
that has not condensed in the condenser (7).<br />
From the tube (8) the current passes through the<br />
sulphuric acid U tube (9) <strong>and</strong> then through the<br />
oalcitjin chloride U tube (10) where any moisture is<br />
collected. Prom the calcium chloride tube (8)<br />
the current passes through a second calcium<br />
chloride tube (11) <strong>and</strong> then to the Geissler (12)<br />
<strong>and</strong> small calcium chloride tube attached to the<br />
Geissler <strong>and</strong> through a calcitun chloride tube to<br />
the pump, the last drying tube being a safety<br />
device to keep moisture from entering the Geissler<br />
from the pump direction.<br />
The apparatus needs no further attention than<br />
to assure that a current <strong>of</strong> air is kept moving<br />
through the eyetein so as to eliminate any backing<br />
up <strong>of</strong> acid in bottles 3 <strong>and</strong> 4.<br />
27
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