ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
0002 00
DESCRIPTION AND THEORY OF OPERATION
EQUIPMENT DESCRIPTION AND DATA
The chemical bucket covers are color-coded to match labels on the buckets as follows:
Sodium bisulfite chemical bucket cover BLUE
Antiscalant chemical bucket cover YELLOW
Calcium hypochlorite chemical bucket cover RED
The injection points for the chemicals are as follows:
Sodium bisulfite is injected through Adaptor A-11 in the raw water line to the MF feed tank (see
Figure 25).
SODIUM BISULFITE CHECK VALVE
AND INJECTOR V-613
MF FEED TANK
TWPS
ADAPTOR A-11
Figure 25. Sodium Bisulfite Chemical Injection Point.
Antiscalant is injected in the RO feed pump discharge line to mix with the feed water as it is
pumped to the high-pressure pumps and on to the RO vessels (see Figure 26).
ANTISCALANT CHECK VALVE
AND INJECTOR V-623
RO FEED PUMP
Figure 26. Antiscalant Chemical Injection Point.
Calcium hypochlorite is injected in the product water discharge line (see Figure 27).
CALCIUM HYPOCHLORITE CHECK VALVE
AND INJECTOR V-633
Figure 27. Calcium Hypochlorite Chemical Injection Point.
0002 00-24
