SOP
on Cleaning of Paste Kettle
Objective : To describe a cleaning procedure for Paste Kettle.
Scope
:
To ensure that the equipment is clean and free from any starting materials of
previous batch or product residues.
Responsibility : 1.It is the responsibility of
operating staff to clean the equipment.
2. Production Chemist to ensure that
procedure is followed.
Materials & Equipment :
1.
Cleaning agent: Teepol or liquid soap.
2.
Mops / nylon brush / lint free cloth
Procedure
(1) Transfer the
prepared paste to another clean container.
(2) Add 10 liters of
tap water to the paste kettle and remove any visible matter by rubbing the
inner surfaces of paste kettle with the help of a wet lint free cloth / nylon
brush & SS scrapper.
(3) Drain out the
washings by tilting the paste kettle.
(4) Prepare a Teepol
solution (10ml à 10 liters water) or liquid-soap (50gm à 5 liters water)
and clean the inner and outer surfaces of the paste kettle with the help of a
wet lint free cloth / brush.
(5) Drain out the
washings by tilting the paste kettle.
(6) Wash the paste
kettle in tilted position with running tap water for 10 minutes.
(7) Add 5 litres of
DM water in paste kettle, clean it and drain the washings completely. Rinse
again with 2 litres of DM water.
(8) Send the wash
water for analysis for residual active ingredients of previous product.
(9) Clean the paste
kettle with a dry lint free cloth and put a label “Cleaned” or “Ready for use.”