ARMY TM 10-4610-309-14
MARINE CORPS TM10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR INSTRUCTIONS
REVERSE OSMOSIS SYSTEM ACID CLEANING OPERATION UNDER
USUAL CONDITIONS
INITIAL SETUP
Materials/Parts:
AC-120 Bisulfite, (1) 12 oz packet (Box #4)
Measuring Bottle for bisulfite
AC-210 Citric Acid, (1) 20# pail
Three 2 in. x 10 ft. Cleaning Waste Hoses
Adaptor A-10 (Box #1)
Adaptor A-12 (Box #1)
Cleaning Waste Storage Module if used
One 1500 gallon cleaning waste storage tank
Two Adaptors A-16 (Box #1)
One 2-in. x 50-ft. raw water hose if cleaning waste storage module is not used
Personal protective gear (Box #1)
Chemical apron, 2
Face shield, 1
Chemical gloves, 2 pair
Dust mask, 1
Personnel Required
Two Operators/Crew
Equipment Condition
TWPS Operational
At least 500 gallons of useable product water must be available in the distribution tanks
GENERAL
RO acid cleaning is performed when indicated by the % Clean calculation and the % Salt Rejection
display on the OCP. Table 1 identifies the % Clean and % Salt Rejection criteria that indicates that RO
acid cleaning is needed. RO % Clean and RO % Salt Rejection are described in more detail in WP 0016,
Maintaining Normal Operation.
Table 1. RO Acid Cleaning Schedule.
RO % Clean
% Salt
Problem
Cleaning
Rejection
Indicated
Required
Less than 90% and a decrease of 10% or
Decreased
Scale
RO Acid Cleaning (Low pH
more since beginning the mission or last
cleaner AC-210 Citric Acid)
cleaning.
AC-210 Citric Acid is used for the RO acid cleaning.
0022 00-1
