Application notes
Vaisala technologies applied
Application notes
Acid Wet Scrubbing of Ammonia-containing gas
Vaisala Polaris™ PR53M Process Refractometer monitors continuously the concentration of the bottom product of the scrubber.
Lysine evaporation
The Sanitary Compact Refractometer PR53AC and Process Refractometer PR53GP are ideally suited for process control and monitoring in the L-lysine...
Ammonia Removal in Water Treatment
Vaisala Polaris™ PR53M Process Refractometer provides in-line and continuous measurement of ammonium sulfate concentration.
Starch sweeteners evaporation
Vaisala Polaris™ PR53 Process Refractometer suits perfectly for evaporator control.
Pure Water Treatment by Chemical Precipitation
Vaisala Polaris™ PR53M Process Refractometer provides in-line measurements of Polyaluminium Chloride and Sodium Hydroxide at the initial stage...
Gelatine Evaporation
Vaisala Polaris™ PR53G Process Refractometer is used at the most important step, where the quality of the gelatine and the efficiency of...
Coffee and tea extraction, evaporation and recovery
The coffee extract is evaporated and dried either by spray drying or freeze drying.
Kraft (Sulfate) Pulp: Evaporation
Vaisala Polaris™ PR53SD Process Refractometer is ideal for measuring black liquor dry solids and green liquor density or TTA in kraft chemical...
Whey separation process
Vaisala Polaris™ PR53AC Process Refractometer is used to control the correct feed product concentration for the following process step.
Juice evaporation
Vaisala Polaris™ PR53A Process Refractometer is the ideal instrument for concentration monitoring in food and beverage processing. The...
Polyamide (Nylon) Fiber Production
Vaisala Polaris™ PR53GP Process Refractometer is used to monitor and control the nylon salt, caprolactam and polymer solution concentrations.
Pectin extraction and evaporation
Vaisala Polaris™ PR53A Process Refractometer measures continuously the concentration of the liquid pectin extract to ensure optimum control and...
Caprolactam Production Process
Vaisala Polaris™ PR53GP Process Refractometer is used to measure the concentration of aqueous caprolactam solution after the initial extraction...
Monitoring organics in food and beverage side-streams or wastewater streams
Vaisala Polaris™ PR53 Process Refractometer provides reliable and continuous measurement to estimate the pollutant content in the water from the...
Urea Production Process
Vaisala Polaris™ PR53GP Process Refractometer is used for quality control. It monitors the concentration of produced urea after the reactor.
Tomato paste evaporation
Vaisala Polaris™ PR53AC Process Refractometer provides continuous concentration information to optimize the evaporators performance while...
Chlor-Alkali Process
Vaisala Polaris™ Process Refractometers are used to measure the concentration at different phases of the process.
Milk evaporation and drying
The refractometer is used for standardization after the holding tank to achieve the precise milk solids content as indicated by legal standards.
Total Organic Carbon (TOC) monitoring and control in wastewater streams
Vaisala Polaris™ PR53 Process Refractometer provides in-line and real-time indication of TOC content in wastewater by means of dissolved solids...
Infant formula production by the wet-mixing process
Vaisala Polaris™ PR53AC Process Refractometer is the ideal in-line measurement instrument for safe, higiene and accurate manufacturing of infant...