Application notes
Vaisala technologies applied
Application notes
Lead-acid Battery Manufacture: Sulfuric Acid
Vaisala process refractometer measures in-line the sulfuric acid (H2SO4) concentration necessary to ensure the successful power activation...
Catalytic Oxidation Process: Formaldehyde
Vaisala Process Refractometer is used for measuring the formaldehyde CH2O (also known as methanal) concentration and maintaining it at required...
Semiconductor wet chemicals
Vaisala Semicon Refractometers PR-33-S/-23-MS are designed for real-time concentration monitoring of wet chemicals used in the silicon wafer...
Cane sugar recovery
Learn how Vaisala K‑PATENTS® Process Refractometer measures the range 0-100 Brix accurately and in-line, in cane sugar recovery process.
Tomato paste evaporation
In-line Brix concentration measurement with Sanitary Refractometer provides continuous concentration information in the tomato paste evaporation...
Cane sugar crystallization
Learn how Vaisala process refractometer and Zutora SeedMaster-4, a crystallization transmitter and seeding device, enable good quality sugar...
Bulk Chemical Delivery System
Using a Vaisala Semicon Refractometer for measuring liquid concentration brings great benefits and savings in the semiconductor industry's wet...
Cane sugar evaporation
In evaporation, water is evaporated from thin syrup containing about 10-15 Brix dissolved solids to thick syrup of about 50-70 Brix.
Amine Gas Treating: H2S and CO2 Removal
Process Refractometer provides in-line measurement of amine solution for instant feedback to indicate any fluctuations in the process.
Production of Active Pharmaceutical Ingredients (API)
Download our application note and learn the benefits of using the pharma refractometer in the production of Active Pharmaceutical Ingredients...
Jam cooking
Jam cooking batch control using in-line Brix concentration measurement with Vaisala Sanitary Refractometer.
Natural gas processing: glycol dehydration
Process Refractometer provides in-line measurement of glycol concentration for real-time process control and maintaining the target glycol...
Kraft (Sulfate) Pulp: Evaporation
Feed concentration is kept constant by regulating the mixing liquor. Evaporator control with Process Refractometer for concentration measurement...
Polyethylene Terephthalate (PET) Production Process
Vaisala Process Refractometer measures the concentration of ethylene glycol in the recycle stream, helping adjust the feed ratio of fresh EG.
Detergents Blending (Floor Wax)
In-line Vaisala process refractometer measures continuously the percent of dissolved solids in the liquid wax product in detergents blending...
Natural gas liquids NGL: Liquid hydrocarbons identification
Oil refineries receive or deliver e.g. Natural Gas Liquids (NGLs) which are transported via pipelines, railcars, tanker trucks, or ships.
In-line Brix measurement in ready-to-drink tea production by RO membrane filtration
Sanitary Refractometer monitors and controls in-line the Brix concentration in ready-to-drink tea production by RO (reverse osmosis) membrane...
Biodiesel Glycerol Refining
In-line process refractometer helps achieve target glycerol concentration, at all stages of biodiesel glucerol refining for efficiency and...
Gelatine Evaporation
In-line Vaisala process refractometer is used at the most important step of the gelatine evaporation process, where the quality of the gelatine...
In-line Brix concentration measurement in juice evaporation
In-line monitoring and control of juice evaporation with Brix concentration measurement by Vaisala Sanitary Refractometer - for efficiency and...
Sulfuric Acid Alkylation
Vaisala refractometer better indicates any gradual changes in the acid flow control, which generally reduces unit acid consumption.