1. What Is pH, And How Is It Measured?

    Almost all processes containing water have a need for pH measurement. The pH of wastewater leaving manufacturing plants and wastewater purification plants, as well as potable water from municipal drinking water plants, must be within a specific pH "window" as set forth by local, state, or federal regulatory agencies. By Frederick J. Kohlmann

  2. Dissolved Oxygen Measurement In A Wastewater Treatment Plant

    Breakdown of organic wastes entering a wastewater treatment plant is accomplished by using a biomass or blend of beneficial microscopic organisms, bacteria, and solids. This converts the non-settleable solids (dissolved and colloidal matter) into settleable solids, carbon dioxide, water, and energy.

  3. DR 3900™ Spectrophotometer Datasheet

    The proven technology you have come to expect from Hach just got better. Built with the future of water analysis in mind, the DR 3900 will give consistently accurate results in a simpler testing format.

  4. Biotector B3500c TOC Analyzer Datasheet

    Using patented technology, only requiring scheduled maintenance every 6 months, allowing for dual stream monitoring, and having one of the most compact analyzer footprints, the Hach BioTector B3500c delivers 99.8% uptime in condensate applications with the lowest operating cost.

  5. 5500sc Silica Analyzer Datasheet

    Only two liters of reagent are required for the analyzer to perform unattended for up to 90 days; twice as long as the Series 5000.

  6. HQd Digital Meters And IntelliCAL™ Probes Datasheet

    All Hach HQd Digital Meters provide an intuitive user interface with guided calibration routines to reduce calibration errors and simplify operation. Automated check standard routines and calibration alerts ensure accurate results.

  7. Color Reduction From RO Concentrate

    The City of Palm Coast, FL was experiencing elevated color in the concentrate stream being directed to the lime softening facility to recover as drinking water. In an effort to meet secondary color standards at the lime plant, this water quality issue limited the volume of the concentrate able to be recovered.

  8. Goodbye Transmitters!

    SMARTSENS - The first family of analytical sensors that no longer require transmitters

  9. Total Oxygen Demand (TOD) – An Alternative Parameter For Real-Time Monitoring Of Wastewater Organics

    Today, due to the multitude of organics, the organic contamination of wastewater cannot be defined with passable analytical effort. Therefore, composite parameters become more important for the description of organic contamination. Parameters have been defined to enable a fast detection of organic loads.

  10. How To Recognize, Strategize, And Monetize Water Risk

    There’s no denying that conversations are readily available on all types of “costs” of addressing the global water crisis: the cost to the environment; the cost to be paid by future generations; the costs of not keeping on top of water infrastructure maintenance and reinforcement; the cost to private households, etc.

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