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Hot Water Sanitization Procedure of Purified Water Distribution Loop
- Objective : To ensure that the Purified Water Distribution Loop along with the tank is sanitized at 85 degree Centigrade to reduce the microbial count.
- Scope :
- Procedure :
- Fill the Purified Water Storage Tank till the Half Level.
- Ensure Suction & Discharge valve of pump are open and all user points & sampling valves are closed.
- Sanitization is required during the Start up of the system, once it is chemically cleaned.
- Open Steam Valve and Start elevating the temperature.
- When the temperature in the return line reaches 85 degree Centigrade, close the Steam Valve.
- Recirculate the Hot Water for 60 minutes.
- If the temperature decreases to 80 degree Centigrade, Open the Steam Valve.
- Drain the Hot Water from all equipments, user points & sampling points.
- Take fresh RO Water and start the system and keep it under recirculation at 85 degree Centigrade.
- Handover the System to Validation department for taking samples.
- Observation should be filled in Sanitization Record Sheet.