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Optimize CIP in food industry to ensure resource efficiency

The CIP process offers numerous opportunities for optimization and small changes can yield significant impact

Clean-in-Place process with inline measuring instruments

Avoid raw material and energy loss in your clean-in-place (CIP) process

The major trend in food industry is the use of inline process measurements to control cleaning temperature, flow and detergent concentration. To truly optimize CIP systems and save valuable raw materials and energy, fast phase shifts in the return line are detected with optical systems. Concentration measurements are used to detect the degree of contamination of the liquids.

A CIP system requires large amounts of water, chemicals and energy. It is estimated that food and beverage plants spend approximately 15-20% of their time during the day on cleaning. Depending on the industry segment (dairy, brewery, etc.) and process, energy consumption varies. On average, a company uses about 10% of their energy in the CIP system. In addition, the average CIP process often consumes more than 15% of a company’s total water consumption to meet hygiene standards.

Food & Beverage producers often rely on a timed-based cleaning system. In view of the current resource shortage and rising costs, it is an ideal time to take a closer look at CIP system and implement optimization measures. Inline process measurements help food producers to switch from time-based to real-time monitoring systems. These systems ensure the highest cleaning efficiency, as well as reduced operational costs and losses.

Key facts

30%

savings on cleaning agent costs

by ensuring correct detergent strength and phase separation with Endress+Hauser's inline measurement portfolio.

Measuring instruments in the clean-in-place process ©Endress+Hauser
Insights

Optimize efficiency in phase separation

From guesswork to data-driven decisions. Know exactly what the line contains and remove any guesswork. Innovative transition sensors determine when each phase of a CIP cycle ends and when the next one should begin, resulting in product loss reduction and less risk of cross mixing of media. Optical instruments can be installed to better control phase separation. Rapid reaction time and real-time data provide savings by reducing water or chemical consumption and minimizing product loss. 

Achieve a 30% cost savings by ensuring the correct dosage of detergents and efficient phase separation with Endress+Hauser optical measurements.

  • Fast, safe and highly accurate inline phase detection and suspended solids with OUSAF11 absorption sensor. A faster separation prevents product wastage, ensures quality and safety.
  • Compact and efficient toroidal conductivity system Smartec CLD18
  • Accurate inline color and purity measurement with optical sensor OUSAF22
Hygiene thermometer in food processing ©Endress+Hauser
Insights

Precise temperature control

Temperature measurement is essential in the CIP cycle to ensure cleaning agents perform effectively, microbial risks are eliminated and hygiene standards are met. It protects equipment, maintains product quality, optimizes chemical usage and improves energy efficiency.

Benefit from error prevention and time savings with our hygiene modular thermometer iTHERM ModuLine TM411 temperature with QuickNeck - our patented thermometer extension neck with quick release for fast and easy recalibration - or our compact thermometer iTHERM CompactLine TM311.

Concentration measurement in the CIP process ©Endress+Hauser
Insights

Accurate concentration measurement

Concentration measurement in the CIP process is important to ensure cleaning agents are used at the correct strength for effective removal of residues and microorganisms, while also minimizing chemical waste, protecting equipment and meeting hygiene standards.

Our compact conductivity measurement devices Smartec CLD18 or Smartec CLD134 help you optimize concentration measurement.

Flow measurement in return line of CIP process ©Endress+Hauser
Insights

Reliable flow measurement

Flow measurement is fundamental for an efficient CIP system. By ensuring a strong and turbulent flow, the desired scrubbing effect is reached.

The Proline Promag H 10 and Proline Promag H 100 flow meters are designed to handle the aggressive chemicals at elevated temperatures and higher than normal vibration due to turbulent flow. Endress+Hauser ensure performance for many years in CIP service. The flowmeters also include a temperature and conductivity output in addition to the flow value.

Point level switch to detect build-up installed in a liquid tank ©Endress+Hauser
Insights

Build-up recognition ensure cleaning efficiency and avoid contamination

Cleaning efficiency is based on temperature, detergent concentration and flow velocity/shear forces at the installation walls. But as the pipes are not always straight and the reach of the spray balls is not always ideal, there are spots which are difficult to clean. To determine and improve the overall cleaning efficiency, it is necessary to also monitor the cleaning behavior at these spots. Furthermore, recognizing build-up early helps prevent microbial contamination.

Our compact point level devices Liquiphant FTL43 and Liquipoint FTW33 can detect process anomalies such as fouling or build-up. Installed in critical measuring points in the food processing plant, they reliably monitor fluid behavior and inform whether residual medium is present after cleaning. These innovative technologies allow the cleaning frequency and intensity to be tailored to the needs of a plant, thus increasing efficiency.

Reliable tank and pipe monitoring ©Endress+Hauser
Insights

Safe level measurement

Level measurement is essential in the CIP process to ensure accurate control and monitoring of cleaning fluid volumes in tanks and pipelines. It helps to verify the use of the correct amount of cleaning agents, water and rinse solutions, thus preventing underfilling or overfilling that could compromise hygiene or waste resources. Reliable level measurement also supports automation, improves safety by preventing overflow or dry run conditions and ensures compliance with industry standards for cleanliness.

Product highlights

Most popular products to optimize CIP process:

From temperature, concentration and flow up to level and build-up, we offer process instruments that ensure efficient cleaning.

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Dairy worker inspecting quality in a cheese plant ©Juice Images/Strandperle
Case study

Efficient phase separation of whey, water and CIP detergent

Cheese plant cuts expenses and yields major time savings by installing inline transition sensors to measure phase separation between whey, water and CIP detergent.

FAQ

Everything you need to know

Endnotes

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