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Metering of flavoring agents by LEWA metering systems in the process of brewing alcohol-free beers

Securing a consistent taste and quality is of highest importance to producers of beverages.

However, this is particularly challenging to achieve in food technological processes which require as much accuracy as beer brewing. This is because ingredients like flavoring agents have to be added at exactly the right time and in the right proportion.

LEWA ecodos pumps of the sanitary/hygienic series meet the demands of this hygienic process because of their high reliability and metering precision.

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Solution

LEWA’s solution for the challenging task of injecting flavoring agents in beer production:

  • A LEWA ecodos metering pump is used for the injection of flavoring agents
  • Aromatics are stored in a reservoir equipped with an agitator, a cleaning ball, and two level switches
  • A filter at the suction side of the pump prevents clogging of pump valves
  • The flow rate of the pump is adjusted continuously with an electromagnetic flow meter and control loop to keep the proportion with the beer flow rate
  • Fully PLC-controlled. However, the system also works “manually”. In this case the flow rate is adjusted by a potentiometer
  • At the discharge side a contactor protects the pump from overpressure
  • All materials that are in contact with the product have a roughness of less than Ra < 0.8μm (SS 316 L)
Injection of flavoring agents

Background

There are three general types of flavorings used in the food and beverage industry:

Type Description
Natural flavoring agents Flavoring agents obtained from plant or animal raw materials by microbiological or enzymatic processes. They can be either used in their natural state or processed for human consumption, but must not contain any nature-identical or artificial substances.
Nature-identical flavoring agents Flavoring agents obtained from synthesis or isolation in chemical processes. These substances are chemically and organoleptically identical to flavorings naturally present in products intended for human consumption. They cannot contain any artificial flavoring substances.
Synthetic flavoring agents Flavorings not present in natural products intended for human consumption, whether processed or not. These are typically produced by fractional distillation and additional chemical manipulation of naturally sourced chemicals. Although they are chemically different, the sensory characteristics are the same as natural flavors.

Industries

Metering of sensible fluids in the food and beverage industry with LEWA pumps and systems
Metering of sensible fluids in the food and beverage industry with LEWA pumps and systems

Food & Beverage

Use LEWA pumps and system solutions for your homogenization processes in the food and beverage industry. Ask our experts for more information!
LEWA solutions are found also in other industries, for example in the Varnish- and Lacquer industry
LEWA solutions are found also in other industries, for example in the Varnish- and Lacquer industry

Other Industries

As specialists in fluid handling, we of course also have experience in many other industries. Simply contact our consultants to find out more!

Products

LEWA ecodos® sanitary/hygienic diaphragm metering pump

LEWA ecodos sanitary/hygienic diaphragm metering pump The LEWA ecodos® diaphragm metering pump with its sanitary/hygienic design is the ideal pump for food and pharmaceutical products in the low-pressure range.

Customer-Specific Metering, Mixing or Filling Systems from LEWA

LEWA production units LEWA develops customized production units for metering, mixing, and filling fluids. Contact us and let us advise you!

Customer-Specific Metering Systems from LEWA

LEWA customer specific metering systems LEWA provides you with custom-designed metering systems according to your specifications. Trust in our experience gained from 60 years of metering technology.

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