1. What’s So “Smart” About Potable Smart Water Networks?

    Smart Networks— no matter if they are on the potable side of the industry or the wastewater side— seem to be one of the next battlegrounds for efficiency.

  2. Floating Islands For Stormwater And Other Applications

    Floating islands, also known as floating treatment wetlands (FTWs), are a relatively new technology for improving water quality and creating habitat.  Over 5,000 floating islands have been installed around the world in the past decade.  Island sizes range from small decorative units to larger than football fields, and can be made in any shape or buoyancy.  Islands have withstood numerous freeze/thaw cycles, as well as typhoons, tornadoes, hurricanes and major snowfalls.

  3. New Developments In Thermal Dispersion Mass Flow Meters

    This paper describes a newly developed microprocessor-based thermal dispersion mass flow meter that uses four temperature sensing elements in its flow sensor instead of the traditional two elements and automatically manages changes in gas selection, gas temperature, gas pressure, and outside temperature. By John G. Olin, Ph.D., Founder/Chairman, Sierra Instruments

  4. Tackling The Drought: The Relationship Between Water Law And Water Budget

    Natural resource management usually involves more than science and engineering, it intersects law, policy, and politics.  Nowhere is this truer than in the regulation of water.

  5. A Tale Of Two Thermals: Capillary & Immersible

    For gas mass flow measurement and control, Sierra offers the broadest selection of thermal mass flow measurement products on the market. By Mark McMahon, Scientific Product Manager, Scott Rouse, Industrial Product Manager, Sierra Instruments

  6. In-Situ Calibration: Methods & Pitfalls Of Thermal Mass Flow Meter Sensor Field Validation

    Mid-to-large size facilities and campuses inevitably have hundreds of ow instruments to monitor, maintain, and repair. For a reliability engineer, ensuring that all instrumentation meets ISO 9000 or similar standards is a time-consuming responsibility. By Matthew J. Olin, President & CEO, Sierra Instruments, Inc.

  7. Math Solutions: Volume Calculations

    Water Online’s “Math Solutions” series, presented by wastewater consultant and trainer Dan Theobald (“Wastewater Dan”), provides an understanding of the sometimes difficult calculations involved in achieving wastewater operator certification.

  8. WEDECO Duron® vs. Medium Brochure

    The WEDECO Duron is head and shoulders above the competition. Medium pressure systems come up short when it comes to energy efficiency, design, system footprint and operation and maintenance costs. The Duron offers the latest in Lo-Hi UV technology that was specifically designed with owners and operators in mind.

  9. Bring On The Bacteria: Conventional Treatment Methods Not Enough To Produce Safe Drinking Water

    Around the world there are guidelines and regulations regarding the quality of drinking water distributed by water treatment plants. These guidelines/regulations are sometimes national, such as U.S. regulations and Canadian guidelines.

  10. Reducing Total Phosphorus In Water Resource Recovery Facilities

    Monitoring phosphate during the wastewater treatment process allows for fine-tuning and optimizing chemical dosing for removal of phosphate, which provides significant cost savings to the plant while protecting the aquatic environment downstream of the facility.