APPLICATIONS FOR FOOD AND BEVERAGES INDUSTRY
ONLINE AND INLINE ANALYZERS AND SENSORS FOR PROCESS AUTOMATION
Analytical technology for Beverages & Liquid food for:
· Breweries
· Dairies
· Juices
· Soft drinks
· Mixed drinks
· Wine
· Starch
· Coffee
LiquiSonic® sensors provide stable and reliable measurement, even in systems with a high degree of aeration or agitation. Our sensors conform to recommendations according to the FDA standards or EHEDG.
Brewery
Lauter tun / mash filter
In the outlet of the lauter tun or the mash filter, LiquiSonic® is applied in order to:
· Monitor the lautering process
· Exactly determine the sparge water point
· Determine the medium extract content (initial extract in the boiling kettle)
Your advantage:
· Optimal initial extract in the boiling kettle
· Reduction of the water consumption
· Optimal utilization of the lauter tun
· Reproducible wort production
Wort boiler
In the wort boiler, LiquiSonic® is applied in order to:
· Monitor the evaporation
· Guarantee an exact determination of the cast wort concentration
As an inline system that measures continuously and without a bypass installation that is necessary for other measuring devices, LiquiSonic® is easy to install and entirely maintenance-free.
For the internal boiler, there is a sensor available that can be directly installed in the wort pan. As a consequence of the specific sensor design, sedimentation can be kept on a very low level.
Furthermore, there is an additional option to provide the sensor in the internal boiler with a cleaning head.
For the use in the external boiler, the sensor is installed directly in the circulation line between the wort circulation pump and the heat exchanger.
Your advantage:
· No maintenance-intensive and expensive bypass solutions as needed for density meters
· Savings of rinse and cleaning cycles
· Savings in energy consumption through targeted process interruption
· Guarantee of a constant duration and rate of the boiling process
Wort cooler
At the wort cooler, LiquiSonic® is applied in order to:
· Detect the wort, pre- and post- running beer
· Examine the content of original gravity before the pitching of the yeast
Your advantage:
· Hygienic and bypass-free installation of LiquiSonic® at the outlet of the cooler
· Additional monitoring of the cooling temperature due to the two integrated Pt1000 temperature sensors
Dairies
Milk standardization
In the separator, LiquiSonic® is applied in order to:
· Monitor the dry matter content in cream and skimmed milk
· Accurately detect both production streams
Your advantage:
· Optimal control of separation processes
· Signaling of fluctuations in the raw material, process irruptions or incorrect separation
For milk standardization, LiquiSonic® is applied in order to:
· Monitor the concentration during the mixing of cream and skimmed milk
· Immediately display exceeding or undercut of limitations
Your advantage:
· Quality assurance of the standardized milk
· Optimal control of the whole and skimmed milk inflow
An alternative to the separator is the membrane filtration. Thereby, the sensors are installed in the retentate flow to continuously measure the concentration.
An additional sensor in the permeate is able to detect irruptions and to ensure a high efficiency of the filtration process.
Cream cheese production
At the output of the production process or the inlet of the product filling, LiquiSonic® is applied in order to:
· Monitor the dry matter content during the separation
· Accurately adjust the fat content in the dry matter content by adding the appropriate amount of cream
Your advantage:
· Precise regulation of the degree of separation or the addition of cream
· Assurance of product quality
· Prevention of fluctuating compositions and false fillings
Concentration of whey

At the inlet and the output of the evaporator, LiquiSonic® is applied in order to:
· Control the initial whey concentration
· Continuously detect the dry matter content
Your advantage:
· Energy-efficient line control through targeted process interruptions
· Increase of the yield of the whey
Another possibility to concentrate whey is by the means of membrane filtration. For those types of applications, the LiquiSonic® sensors are preferably installed in the retentate.
Lactose crystallization
Directly In the crystallization tank or at the output, LiquiSonic® is applied in order to:
· Determine the temperature difference until the nucleation takes place
· Detect the crystal content in the lactose suspension
Your advantage:
· Optimal control of the cooling
· Storage of the saturation and nucleation characteristics in the controller for a higher process efficiency
Cleaning
During cleaning and rinsing, LiquiSonic® is applied in order to:
· Automatically and accurately distinguish CIP liquids such as NaOH or peracetic acid, from the product like whey or milk
· Measure the product concentration
Your advantage:
· Prevention of fault fillings in accordance to HACCP concepts
Juices and Soft Drinks
Evaporator
At the inlet and the output of the evaporator, LiquiSonic® is applied in order to:
· Control the initial concentration
· Continuously monitor the concentrate up to 90 °Bx
Your advantage:
· Energy-efficient line control through targeted process interruptions
· Increase of the yield
Blending
In the blending process, LiquiSonic®is applied in the concentrate and after the mixer in order to:
· Measure the initial concentration (premix)
· Accurately adjust the target concentration (postmix) during the dilution of the concentrate with water
Your advantage:
· Quality control of the concentrate
· Signaling of drifts in the formulation
· Targeted control of the respective product stream through the process control system
Phase detection
Before bottling or before the sterile tank LiquiSonic is applied in order to:
· Detect the change of fruit juices
· Detect the fruit juice and water phase
Your advantage:
· Improvement of fruit juice quality
· Increase in fruit juice yield
· Extremely fast and accurate phase detection with a response time of less than 1 s
Filler
At the filler, LiquiSonic® is applied in order to:
· Constantly monitor the Brix content of the commodities during the filling
· Accurately identify various types of products, pre and post running processes as well as CIP – liquids
· Fully document the Brix content (ISO9000 and HACCP)
Your advantage:
· Display of the Brix concentration and product temperature
· Storage of the measured concentrations during the filling
· Warning in the event of faulty fillings
· Precise control of the filler concentration
· Separation of pre and post running processes
· Maximum process safety in the context of a HACCP concept
· Additional integrated functions, such as flow detection and „empty pipe line“ detection
Wine production
In the wine production, the LiquiSonic® analyzers are applied in order to:
· Constantly determine the Oechsle degree in the grape juice
· Measure the alcohol and sugar or the extract content during the fermentation
· Control the blending process
· Differentiate the wine in the pre and post running water
· Constantly monitor the wine quality during the filling
Your advantage:
· Ensuring the quality of the juice already with the delivery
· Energy saving through selective process break-down in the concentration of the must
· Maximum time savings and increase of the plant utilization
· Consistent quality through precise control of the product streams during the blending
· Cost savings by minimizing the quantity of excluded wine amount in various stages of the process
· Increase of the yield
· Documentation and reporting of wine concentrations (ISO9000 and HACCP)
Starch production
In production and purification processes, LiquiSonic® is applied in order to:
· Determine the dry matter content in the production of wheat protein (gluten) and wheat starch
· Control the suspension in the use of additives such as thickening agents
· Continuously control the Brix content in the production and processing of monosaccharides or disaccharides
Wheat starch in water:
Your advantage:
· Optimal control of the degree of separation
· Maximum plant utilization
The special high-performance technology of the LiquiSonic® sensors ensures stable measuring results even at high signal attenuation by the process fluid. Therefore, the sensors can be used successfully not only in solutions but also in suspensions for evaporation or cooling crystallizations.
Liquid and instant coffee production
During the extraction and the purification, LiquiSonic® is applied in order to:
· Determine the precise concentration of the extract
· Monitor the dry matter content of the initial, secondary and tertiary extract
· Precisely adjust the target concentration during the merging of the pre-extracts
Your advantage:
· Defined control of the extract line
· Energy optimized purification in the separator
· Quality assurance for the production of a sensory high-quality coffee extract
Further liquid food applications
In the food industry, LiquiSonic®is used in a variety of applications to measure the concentration and density, and thus to control quality. The online measurement enables processes and plants to be optimally controlled, and saves resources and time. Especially in filling, faulty batches can thereby be avoided.
Among others, the LiquiSonic® analyzers are applied in the following food applications:
· Crystallizations of sweeteners, e.g. acesulfame
· Citric acid production
· Water in fruit purees
· Recipe monitoring for baby food
· Extraction with CO2
· Protein production, e.g. soy protein
· Tea extraction
· Thickening agents, e.g. carrageen
· Vitamin production, e.g. vitamin C und B2
· Herbs extraction, e.g. fennel
· Water content in pudding
Dry fractionation is one of the first and most prominent texture-improving processes. It is mostly used for edible oils with high solid fat content (SFC), e.g.:
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Palm oil or palm kernel oil
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Coconut oil
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Soybean oil