TM 3-4230-209-10
3
Blend 175 pounds (1-3/4 drums) of caustic soda to the 350 gallons of water (1/2 lb
of sodium hydroxide to 1 gal of water) through the hopper-blender. Keep the
caustic soda moving through the hopper-blender by constant stirring. Blending will
require 35 to 40 minutes.
NOTE
If mixture is not used immediately, agitate until used. It must be agitated
(through the agitation connection) for five minutes before using.
If agitation is required, close VALVE NO. 1, disconnect the agitator-blender hose (4)
from the blender pipe (6), and attach it to the agitator pipe (9) on the tank unit.
b. Sodium Hypochlorite.
Sodium hypochlorite maybe produced by
mixing calcium hypochlorite (HTH) (item 6,
(item 24, app D) in the tank unit. The mixture
produces sodium hypochlorite and a solid
form of calcium carbonate. The particles of
calcium carbonate must be kept in solution
by agitation of the mixture.
2-103
