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    Handbook 2019

    Selections of sold applications to customers installed over the past 40+ years

    Metrohm Applikon Applications for Process Analytics

  • 02 This Metrohm Process Analytics Handbook for Sold Ap pli cations is meant to be a handy compendium to help

    guide you through our work at Metrohm Applikon over

    40+ years of process analysis control. Many major and

    critical analysis parameters in various industries are com-

    piled here according to specific process areas, helping

    you to find the proper solution to any challenge.

    Metrohm knows your industry, and we are an active

    partner in your process control with our vast experience

    from thousands of installations around the globe.

    Additionally, attention is called to our Process Appli ca­

    tion Notes (PANs) at the beginning of each industry

    chapter, be low the introduction. PANs are a short over-

    view about a specific process, problem (and its repercus-

    sions), and the Metrohm Process Analytics solution. These

    are freely downloadable from

    Process Solutions from Metrohm Process Analytics

    Metrohm Process Analytics is the brand name represent-

    ing the well-known Metrohm Applikon wet chemistry

    pro cess ana lyzers as well as the Metrohm NIRSystems

    ins truments for process analysis. Our process analyzers

    take the famous Metrohm laboratory solutions a step

    further, offering ana lytical systems for titration, spectros-

    copy, electroche mis try, ion chromatography, photometry,

    as well as ion selective measure ments.

    Fully automated, online customizable analyzers facilitate

    process monitoring across a wide array of applications.

    Drawing on our core competencies in titration, spectros-

    copy, and electrochemistry, we leverage our applications

    knowledge to create reliable solutions for process analy-

    sis that optimize efficiency, decrease chemical consump-

    tion and create a safer work environment.

    We back our systems with a team of experienced support

    personnel to offer you the full value chain of process

    ana lytics:

    • Process Control

    • Process Optimization

    • An increased yield

    • Reduced operational cost

    With our expertise and experience we do not just offer

    process analyzers, but an integrated solution to the end

    user. This helps optimizing process efficiency while reduc-

    ing operation cost. Real time analysis as an integrated

    part of process control and automation will help you in -

    crease yields and improve production quality.

    About this Handbook

    After the commercial launch in 2006, the MARGA

    (Monitor for AeRosols and Gases in Ambient air) has

    been used worldwide at >100 locations contributing

    data to many environmental monitoring programs and

    studies. At the end of 2018, the newest version of this

    family was launched: the 2060 MARGA, suitable for

    either research or continuous air monitoring campaigns.

    The 2060 MARGA from Metrohm Process Analytics

    offers sampling of gases and aerosols from the same air

    mass. These are separated from each other by selectively

    dissolving them in water. The resulting solutions are then

    New in 2019: 2060 MARGA

    analyzed via ion chromatography with conductivity

    detection. Separating gases from aerosols allows the

    detection of important precursor gases and the subse-

    quent inorganic ionic species found in the aerosols.

    Based on the all-new 2060 online analysis platform from

    Metrohm Process Analytics, the 2060 MARGA can oper-

    ate for up to 1 month unattended at a remote site

    For more information, visit:­


    For your information, this document has been made

    interactive for easier usage on electronic devices.

  • 03

    Table of Contents

    Chemical Industry: Chlor­Alkali Production 6–7

    Brine Production: 7

    Brine Purification: 7

    Chlorine Production: 7

    Ion Exchange Cell Membrane Electrolyzer: 7

    Secondary Purification Resin Treatment: 7

    Waste Water: 7

    Other Applications for the Chlor-Alkali Industry: 7

    Chemical Industry: Soda Ash Production 8

    Soda Ash Production: 8

    Brine Preparation: 8

    Waste Water: 8

    Chemical Industry: Polymer Production 9–11

    Applications for PVC: 10

    NIRS Applications for the Polymer Industry: 10

    Physical Characteristics (Thickness, Density, Viscosity): 10

    Monitoring Curing Rate: 10

    Hydroxyl Number: 11

    Moisture/Water Content: 11

    Comparison / Distinguishing: 11

    Monitoring Blend/Reaction Characteristics: 11

    Additives: 11

    Chemical Industry 12–15

    Applications for Cumene Process: Phenols + Toluene: 13

    Applications for Cumene Process Waste: 13

    Applications for Polyamide/Caprolactam Production: 13

    Applications for Caprolactam Process Waste: 13

    Applications for the HPPO Process: 14

    Applications for HPPO Process Waste: 14

    Applications for Fertilizer Production: 14

    Applications for Fertilizer Emission Control: 15

    Other Applications for the Chemical Industry: 15

    Waste Water: 15

    NIRS Applications for the Chemical Industry: 15

    Surfactants: 15

    Moisture Analysis: 15

    Reaction Monitoring: 15

    Mixtures: 15

    Solvent purity and recovery: 15

    Petrochemical Industry 16–18

    Biodiesel Production: 17

    Kerosene Production: 17

    Other Downstream Processes: 17

    Waste Water: 17

    Other Applications for the Petrochemical Industry: 17

    NIRS Applications for the Petrochemical Industry: 18

  • 04 Semiconductor / Electronics Industry 19–21 Aluminum Foil Etching: 20

    Glass Etching: 20

    Solar Etching: 20

    Wafer Etching: 20

    Photolithography: 21

    Plating Baths: 21

    Waste Water: 21

    Other Applications for the Semiconductor / Electronics Industry: 22

    Mining Industry 23–25

    Copper Mining & Purification: 24

    Electrowinning Processes: 24

    Gold Mining & Purification: 24

    Leaching Processes: 24

    Nickel Mining & Purification: 24

    Platinum Refineries: 25

    Zinc Mining & Purification: 25

    Waste Water: 25

    Other Applications for the Mining Industry: 25

    Steel / Metal Industry 26–28

    Pickling Process: 27

    Waste Water: 27

    Aluminum Milling: 27

    Other Applications for the Steel / Metal Industry: 28

    Galvanic / Metal Surface Industry 29–31

    Waste Water: 31

    Other Applications for the Galvanic / Metal Surface Industry: 31

    Pulp and Paper Industry 32–33

    Bleaching Process: 33

    Waste Water: 33

    Other Applications for the Pulp and Paper Industry: 33

    NIRS Applications for the Pulp and Paper Industry: 33

    Kappa Number: 33

    Moisture Content: 33

    Resin Levels: 33

    Energy / Power Industry 34–36

    Boiler Feed: 36

    Cooling Water: 36

    Waste Water: 36

    Other Applications for the Energy / Power Industry: 36

  • 05Automotive and Aerospace Industry 37–38 Electroplating Surface Treatment: 38

    Etching Baths: 38

    Zinc-Phosphatizing: 38

    Waste Water: 38

    Other Applications for the Automotive and Aerospace Industry: 38

    Textile Industry 39–40

    Acrylic Fiber Production: 40

    Cellulose Fiber Production: 40

    Spin Bath Process: 40

    Other Applications for the Textile Industry: 40

    NIRS Applications for the Textile Industry: 40

    Fiber Blends: 40

    Finishing: 40

    Fire Resistance: 40

    Heatset Monitoring: 40

    Pharmaceutical / Biochemical Sector 41–43

    Waste Water: 42

    Other Applications for the Pharmaceutical / Biochemical Sector: 42

    NIRS Applications for the Pharmaceutical Industry: 42–43

    Active Ingredients (API) / Content Uniformity: 43

    API – Antacids: 43

    API – Cough Syrup: 43

    API – Foot Powder: 43

    API – Transdermal Patches: 43

    Drying: 43

    Food and Beverage Industry 44–45

    Beverages: 45

    Potato Products: 45

    Waste Water: 45

    Other Applications for the Food and Beverage Industry: 45

    Industrial Waste Water 46–47

    Environmental Sector 48–49

    Potable (Drinking) Water: 49

    River and Surface Waters: 49

    Air Pollution: 49

    Overview of Process Analyzers 50–51

  • 06

    Production Processes

    The chlor-alkali production process mainly relies upon the

    electrolysis of NaCl brine to produce caustic soda (sodium

    hydroxide, NaOH) and chlorine (Cl2), which are then used

    in countless other industries.

    Three main techniques are in use for the production of