Reliable 2-phase flow measurement in the food and beverage industry


It has always been a great challenge to control a process where wanted or unwanted air in the food or dairy product is present.

Think of sporadic air content caused by the unloading of milk or through agitating a product that causes existing volume or mass flow measurement to indicate a false reading. Also a homogeneous distributed air or gas entrainment in yoghurt, mayonnaise or frozen ice cream does not effect the precise measurement.

A two phase flow with liquid and solids with e.g. spinach or also ground meat with air entrainment are subject to now being measured in line with Coriolis mass flow and density measurement – enabled through EGM™ entrained gas measurement by KROHNE OPTIMASS.

Where traditional Coriolis measurement had to be safeguarded by an air separator for example in the milk intake KROHNE eliminates the necessity of this safety equipment with large footprint. Direct in line density measurement of aerated products eliminate the need of periodical sample taking and its retrospective correction of products that might already have been packed.

Shear sensitive products like yoghurt with low fat content where air and stabilizers do account for the firmness of the product can evenly be measured through EGM™ where the measurement is being done in a single straight tube design.

Enabling measurement instrumentation by KROHNE, where we invite all participants to also look at our additional instrumentation with added valve, as well as solutions for viscosity of non-newtonian fluids or providing an in line measurement for protein, fat, lactose, FFA or COD value.

Key Takeaways

  • Learn where air or gas entrainment has been a challenge in food applications and how to overcome this by the enabling technology EGM™ entrained gas measurement in OPTIMASS
  • Displace the offline lab sampling into your process pipe by in line, real-time process density measurement of aerated products
  • Benefit from examples, where EGM™ has overcome problems with traditional measurement and safeguard process engineering
  • See how KROHNE provides a full product portfolio for instrumentation for food and beverage production
    Added value in virtually every discipline of measurement instrumentation


Ryan Kromhout

Ryan Kromhout

KROHNE, Global Industry Division Manager Food & Beverage

Ryan brings a diverse set of process instrumentation and automation in terms of experience, working in demanding flow applications over hygienic valves through the physical layer for signal transmission and a uniform access to device intelligence.

After his engagement with Emerson Process Management, Brooks Instrument, GEA Tuchenhagen GmbH and Turck, Ryan leads the Global Industry Division Food for the KROHNE Group.

After graduating, Michael spent 4 years doing research in the United States both at a University and at a US government research laboratory. After this, for 13 years he held management positions at the global chemical manufacturer Hoechst AG (Frankfurt, Germany). After Hoechst, he spent 19 years as BU Manager, CTO, and CEO of privately owned manufacturing and technology companies in Germany and Switzerland before joining KROHNE. He was and is active in building technology startup companies.