sop for Cleaning of Wax Vessel

1.0 Objective
To lay down a procedure for cleaning of wax vessel.
2.0 Scope
This Standard Operating Procedure is applicable for cleaning of water vessel at abc company.
3.0 Responsibility
3.1 Operator / Manufacturing Chemist.
3.2 Production Manager.
4.0 Abbreviations and Definitions
SOP : Standard Operating Procedure
PE : Production External
SLS : Sodium Lauryl Sulphate
5.0 Procedure
5.1 Before Cleaning:
5.1.1 Ensure that all utilities are disconnected such as electricity, steam, water etc.
5.1.2 Ensure that all moving parts are properly covered.
5.1.3 Ensure that all gauges and meters, control panel, sensors, motors etc are properly

covered and removable parts are removed.
5.1.4 Ensure that in sensitive places dry cleaning is done.
5.1.5 Prepare 10 liter 2.5% SLS solution (dissolve 0.250 kg SLS in 10 liter raw water.
5.2 Cleaning:
5.2.1 First wash all S.S. parts of the water vessel with raw water.
5.2.2 Scrap all the edges of the vessel with non particle spreading material.
5.2.3 Ensure that there is nothing except water inside the vessel.
5.2.4 Start the agitator.
5.2.5 Run for 5 minutes
5.2.6 Open the bottom valve.
5.3 First Wash
5.3.1 First wash all S.S. parts of the ointment manufacturing vessel with raw water.
5.3.2 Scrap all the edges of the vessel with non particle spreading material.
5.3.3 Ensure that there is nothing except water inside the vessel.
5.3.4 Start the agitator.
5.3.5 Run for 5 minutes.
5.3.6 Open the bottom valve.
5.3.7 Start the inline homogenizer and recalculates the water into the ointment manufacturing vessel.
5.3.8 After running the inline homogenizer for 5 minutes, stop the homogenizer and then close

the Bypass valves in the pipeline.
5.3.9 After that open the bottom outlet valve of the ointment manufacturing vessel and drain out

the water with main drain pipeline of the cleaning pipeline.
5.4 Second Wash
5.4.1 First wash all S.S. parts of the water vessel with 2.5% SLS solution.
5.4.2 Scrap all the edges of vessel with non particle spreading material.
5.4.3 Ensure that there is nothing except SLS solution inside the vessel.
5.4.4 Start the agitator.
5.4.5 Run for 5 minutes.
5.4.6 After that open the bottom outlet valve of the wax vessel and drain out the

SLS solution with main drain pipeline of the cleaning pipeline.
5.5 Third Wash
5.5.1 The third wash is with DM water.
5.5.2 The procedure is to be repeated in the above sequence.
5.5.3 Send the sample to Q.C. for wash water analysis and after getting approval

from Q.C. the label it as ‘CLEANED’.
6.0 Forms and Records
6.1 None
7.0 Distribution
7.1 Master Copy – Documentation Cell (Quality Assurance)
7.2 Controlled Copy – Production Department
8.0 History