Cleaning in Place (CIP Method of cleaning)
- It refers to the system of cleaning and sanitization which does not require daily displacement of dairy equipment and machines.
- In this method detergents solution is kept in a balance tank and pumped and again turned to the balance tank.
Advantage of CIP:
- Better and contact cleaning.
- Elimination of failure due to the human factor especially when unskilled person and employed.
- Elimination of recontamination.
- Reduction in labor cost, detergents, steam etc.
Types of CIP:
There are two system of CIP
- Throw away methods:
- Simple, recommended for cleaning of storage tank and pipeline system.
- It consists of centrifugal pump, heat exchanger plate, automatic temperature regulator and tank of NAOH 30% and nitric acid 72%5 and total cleaning time is 7.5 minutes.
- Regeneration methods:
- In this method detergents are kept in container and pumped from there through the plate heat exchanger equipment’s to be cleaned.
- Detergents are returned from regeneration section of pasteurizer to the storage tank.
- It is automatic type, more expensive, so used only in big plate in milk plate.