SOP on Cleaning of Rapid Mixer Granulator

SOP on Cleaning of Rapid Mixer Granulator


Objective : To describe cleaning procedure for rapid mixer granulator.


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

3.      SS Jug



1.      Fill the rapid mixer granulator with 30 liters of hot tap water and run the rapid mixer granulator for 10 minutes.

2.      Remove any visible material from surfaces of rapid mixer granulator and blades with the help of brush.

3.      Drain out the water by opening the slit and with the help of a SS jug.

4.      Prepare a Teepol solution (10ml à 10 liters water) or liquid-soap (50gm à 5 liters water) and clean the surfaces, and blades with clean cloth & brush.

5.      Wash the inner surfaces of the rapid mixer granulator by running tap water for 5 minutes, drain the washings. Repeat the procedure for another 5 minutes & again drain the washings.

6.      Wash the inner surfaces of the rapid mixer granulator by using 30 liters of purified water for 10 minutes and drain the washings.

7.      Finally rinse the rapid mixer granulator with previously heated purified water and drain it completely. Pour 5 liters of purified water in rapid mixer granulator and run for 5 minutes.

8.      Send the wash water for analysis of residual active materials of previous product.

9.      Let it air dry and cover the equipment and put a label “Cleaned” or “Ready for use”.


Reason for Review: - Minor revision in format.


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