SOP
on Cleaning of Multi-mill
Objective: To describe cleaning procedure for multi-mill.
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
3.
Plastic / SS tub
Procedure
(1)
Dismantle the feed hopper, outlet hopper, perforated
metal sieve along with the screen holder plate.
(2)
Keep all the dismantled parts in a plastic / SS tub
and add 10 liters of boiled tap water to the tub.
(3)
Remove any visible material from surfaces of all the
dismantled parts with the help of a brush or scrubber and drain the water.
(4)
Prepare a Teepol solution (10ml à 10 liters water)
or liquid-soap (50gm à 5 liters water) and clean the surfaces of all the dismantled parts by
mopping.
(5)
Wash all the dismantled parts with continuous flow
of tap water for 5 minutes.
(6)
Wash all the dismantled parts with 10 liters of
purified water.
(7)
Finally rinse all the dismantled parts with
previously boiled purified water.
(8)
Send the wash water for analysis of residual active
ingredients of previous product.
(9)
Let all the parts air dry or dry with a clean, lint
free cloth.
(10)
Re-assemble all the cleaned parts in the reverse
order of dismantling and put a label “Clean” or “Ready for use”.
Reason for Review: – Minor revisions in format.