System Operation
59 of 82
Figure 56 Solvent Removal Column – Closed
5.15.4 Replacing the Carbon Charge in a Solvent Removal Column
1
Follow the instructions for isolating the solvent column and removing solvent vapors on
page
2
Turn the evac/refill valve to refill until the pressure in the column has returned to 0.
3
Close the evac/refill valve.
4
Place receptacle below the Empty Port to catch the old carbon charge.
5
Remove the Fill Port clamp and blank.
6
Remove the Empty Port blank and begin to collect the old carbon charge.
7
Replace the Empty Port clamp and blank. Make sure the centering ring is clean.
8
Pour new carbon charge into Fill Port. Use a funnel if necessary.
9
Turn evac/refill valve to evacuate and allow vacuum to pull on the column for at least 48
hours.
10
To begin circulation through the solvent removal column again, see
on pag
144
