SOP
on Cleaning of Mixing Tank
Objective : To describe cleaning procedure for mixing tank.
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 / brush / lint free cloth
Procedure
(1)
Drain out the mixing tank for left overs.
(2)
Wash the mixing tank with running tap water for 10
minutes. Remove any visible material from the inner surfaces of mixing tank
with the help of a brush or scrubber.
(3)
Drain out the washings by opening the outlet tap.
(4)
Prepare a Teepol solution (10ml à 10 liters water)
or liquid-soap (50gm à 5 liters water) and clean the inner surfaces by mopping.
(5)
Wash the inner surfaces of the mixing tank by
running tap water for 10 minutes and drain the washings. Repeat the procedure
for another 5 minutes and again drain the washings.
(6)
Wash the inner surfaces of the mixing tank by using
50 liters of purified water for 10 minutes and drain the washings.
(7)
Finally rinse the mixing tank with previously boiled
purified water and drain it completely.
(8)
Send the wash water for analysis of residual active
ingredients of previous product.
(9)
Let it air dry, cover the equipment and put a label
“Cleaned” or “Ready for use”.