Changing of UF membrane

1.0 OBJECTIVE
To lay down a procedure for changing of UF membrane.
2.0 SCOPE
This SOP is applicable to Formulations Units.
2.1.0 AREAS
2.1.1 Purified water plant.
3.0 RESPONSIBILITY
Technical officer / Executive (production)
4.0 ACCOUNTABILITY
Manager – Production
5.0 PROCEDURE
5.1.0 Precautions
5.2.0 Pre-start up
5.3.0 Operation.
5.1.0 Precautions
5.1.1 Be careful while handling the membrane.
5.1.2 Wear gloves while handling the membrane.
5.2.0 Pre-start up
5.2.1 Ensure the availability of Hydrogen Peroxide
5.3.0 Operation
5.3.1 Frequency:
5.3.1.1 If the microbial counts are above the alarming limits even after chemical sanitization.
5.3.1.2 Changing of UF membrane shall be done when the output of purified water reduced to below 900 lts / hour even after cleaning the membrane.
5.3.2 Stop pump P1
5.3.3 Close valves V16 and open valve V17 to drain the water inside the U.F module. Close the valve V17 after U.F module was empty.
5.3.4
Disconnect the following T.C connections.
a) From feed water to U.F module.
b) From permeate water to U.V lamp
c) From reject water to drain.
5.3.5 Open the top and bottom T.C clamps and remove the top and bottom plates.
5.3.6 Connect the bottom plate to U.F module with help of T.C clamp.
5.3.7 Place the U.F membrane inside the U.F module.
5.3.8 Reconnect the following T.C connections.
a) From feed water to U.F module.
b) From permeate water to U.V lamp
d) From reject water to drain.
5.3.9 Open valve V16 and start the pump P1.
5.3.10 Tight the T.C clamps in case of leakage.
5.3.11 Carry out the chemical sanitization with hydrogen peroxide (H2O2) as per SOP No:xxxxx

Note: Users of this document should change the abbrevations suitably as per their Ultra filtration Unit's DQ