Application Note: Inductive Conductivity - CIP-Concentration Control in the Makeup System

Background
The food & beverage industry has stringent requirements regarding the cleanliness of all equipment in contact with food products. Technically these requirements are fulfilled by means of a CIP system. CIP stands for Clean-In-P lace, that means that the reactors, pipes, and so on are cleaned in place, and are not disassembled and cleaned elsewhere. The latter might be necessary for some equipment, such as filters for example. CIP is preferable whenever it is possible, because it allows a much higher degree of automation.

The actual cleaning is then done primarily by the use of liquids that are pumped through the system. Water to rinse, chemical, detergents, to clean, disinfectants to kill germs, etc.. Higher temperatures help the chemical cleaning effect; flow creates a mechanical cleaning effect. Sometimes the cleaning is supported by "pigs" send through the line, although that is limited to few cases where the actual layout allows the use of such things.

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