Inline Process Refractometers Used in Industry

Inline process refractometers are used in a wide variety of industrial and commercial applications including the measurement of the sugar content of food and beverages, monitoring the purity and concentration of ingredients in pharmaceuticals, analyzing the constituents in chemical used in pulp and paper processing, and purity control and concentration measurement of raw materials in the chemical industry.

Inline process refractometers provide a very reliable and accurate real time measurement, which is ideal for process loop optimization and control. With In-line process refractometers, product quality and batch times are more closely controlled, reducing costs as a result.

The Electron Machine Corporation has been designing and manufacturing in-line process refractometers since the early 1960s, with a focus on providing simple, rugged, and reliable instruments that provide value over time, with accurate measurement, minimal maintenance, and long service life. They are the pioneer in developing the industrial use of refractive index for safe, reliable, and accurate process measurement and control.

Electron Machine Corporation
https://electronmachine.com
352-669-3101

Successful, Long-term EMC and Florida Food Products Partnership Maintains Consistent, High Quality Production

Florida Food Products, innovator and leader in clean-label, natural food processing, and Electron Machine; a winning team.

Electron Machine Corporation and Florida Food Products have had a long and successful relationship with each other. In fact, Florida Food Products was one of the first food companies Electron Machine Corporation ever placed a rugged, in-line, process refractometer into operation; the year was 1956.

Located just a few miles from each other, the relationship was a natural.  Recently, Florida Food Products underwent a large expansion, requiring additional instrumentation from Electron Machine Corporation.  The first of these new generation in-line process refractometers was installed this past summer, and immediately paid dividends.  Upon installation concerning a test batch, the process refractometer read the material at a lower percentage of BRIX than anticipated by the engineers starting the line.  The staff at Florida Food Products made the appropriate changes to the concentration and the refractometer was deemed a great success.  Since this time, another unit has been purchased by the Florida Foods Team.

Electron Machine Corporation salutes the long relationship we have had with the Florida Food Products Team and looks forward to servicing this valued client for many years to come.

For more information, contact Electron Machine Corporation. Call them at 352-669-3101 or visit them at https://electronmachine.com.

Process Refractometers

Process refractometers are used in a wide variety of industrial and commercial applications including the measurement of the sugar content of food and beverages, monitoring the purity and concentration of ingredients in pharmaceuticals, analyzing the constituents in petroleum oil, and purity control and concentration measurement of raw materials in the chemical industry.

PROCESS REFRACTOMETERS FOR THE FOOD AND BEVERAGE INDUSTRY

• Quality control and purity determination of feedstock and end products.
• Determination of sugar concentration (Brix).
• Determination of the alcohol concentration in beer, wine and spirits.
• Quality control of milk-based products

Substances Monitored

• Dairy products, jams and jellies, tomato products, fruit juices, beer, wine, spirits.

PROCESS REFRACTOMETERS FOR THE CHEMICAL INDUSTRY

• Baseline development of concentrations in research and development.
• Quality control and purity determination of feedstock and end products.
• Chemical process monitoring during production.

Substances Monitored

• Hydrocarbons, organic solvents, alcohols, salt solutions, acids, bases, stains, paints and varnishes, industrial oils, resins, glue, polymers, silicones, hydrochloric acid applications, sulphuric acid applications, boiler cleaning chemicals.

PROCESS REFRACTOMETERS FOR THE PULP AND PAPER  INDUSTRY

• Black liquor concentration and quality.
• Green liquor concentration and quality.
• Boiler cleaning chemicals.

Substances Monitored

• Green liquor, black liquor, boiler cleaning chemicals, red liquor, white liquor, tall oil, and resin.

For more information, contact Electron Machine Corporation.

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Industrial Refractometers and Green Liquor Scale Mitigation

Green liquor, a by-product of the kraft process, is the dissolved concentration of sodium sulfide, sodium carbonate, and other compounds in solution. Keeping track of its component concentration is important to the pulp processing cycle. Green liquor scaling, which includes calcite, sodium aluminosilicates, and pirssonite,  is a problem in most kraft process mills and can cause huge maintenance problems and slow production. Understanding the formation of, and potential ways to control, these formations scale is critical for optimal safety and performance.

Industrial inline process refractometers, such as Electron Machine's MPR E-Scan, are used to measure the green liquor dissolved density, or TTA, at two stages in the process: after the green liquor dissolving tank and after the green liquor clarifier. The inline measurement, with the refractometer sensing head mounted directly in the main process lines, allows real-time control of green liquor dilution to meet target TTA set-points. The measurement is also used to indicate (and prevent) excessive green liquor density and the resulting dangerous impending crystallization within the dissolving tank, and lower the potential for scaling.

Refractometer Optical Sensor Cleaning System 

Refractometer operating conditions must be optimized for close monitoring and control of green liquor density. Consideration of scale and coating build-up on the optical sensor on the refractometer sensing head is a primary area of concern. A clean sensing head will allow maximum accuracy of the refractometer,  maintaining tight density control, minimize scaling, and increasing kraft process quality.

With overall quality and safety in mind, the use of a refractometer sensing head cleaning system is compulsory. The use of ancillary inline cleaning systems, such as Electron Machine's HPC-2 High Pressure Cleaner, that use pressurized water heated to the process temperature, will clean the refractometer optical components and therefore mitigate scaling issues and the related quality, safety, and production problems in the kraft process.

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