To lay down a procedure for Changing the D.M Water plant resins.
This SOP is applicable to Formulations Units.
2.1.1 D.M. water plant.
Technical officer / Executive (production)
5.2 Pre – Start up
5.1.1 Use correct size spanner while loosing bolts and nuts.
5.1.2 Be careful while removing top dish and top strainer plate.
5.1.3 Use suitable chain block to lift the vessle.
5.2 Pre-Start up
5.2.1 Stop all the pumps (Raw water, De-gasser pumps).
5.2.2 Open the valve No:6 or 10 (C.B.V 6 and A.B.V 6 for cation and anion beds respectively M.B.V 10 for mixed bed) to drain the water in side the vessel.
5.3.1 Remove the top dish bolts and nuts using the spanner No: 26.
5.3.2 Keep the top dish on ground and then strainer plate.
5.3.3 Remove the resin from vessels by syphoning.
5.3.4 Check the condition of the bottom strainer plate. Ensure that they are in good condition..
5.3.5 Clean the inside vessel with water.
5.3.6 Pour new resin in to the vessels (For cation vessel C-20, for anion vessel A 101 D for mixed bed cation resin is C-20 and anion resin is A 102 D).
5.3.7 Put the removed strainer plate in its original position on the top of the vessel and then top dish.
5.3.8 Put the bolts nuts on top dish plate and then tighten all the nuts by using the spanner No :26.
5.3.9 Close the valve No:6 or 10 (C.B.V 6 and A.B.V 6 for cation and anion beds respectively M.B.V 10 for mixed bed) .
5.3.10 Start the individual pumps (Raw water and degasser pumps)
5.3.11 Incase of leakage is observed tight all nuts.
After completion of leak test followed by regeneration of individual beds according to the SOP. No: xxxxx
Note: Users of this Document shell change the Valve and Pump names according to their DQ and IQ documents.