Water & Wastewater Articles

  • How a Specialized Automatic Control Valve Solved Flooding

    The Colombian area of Antioquia creates much of its clean power from hydropower plants along the Guadalupe River. The Guadalupe IV hydroelectric plant generates power with three vertical axis turbines that discharge water below the river level. To prevent flooding, however, the plant needed a solution that ensured the ejector ...


    By Singer Valve Inc.

  • Horizontal Well Systems for Improving Remedial Efficiency and Zone of Influence

    To improve remediation efficiency and expand the zone of influence, Directional Technologies, Inc. transferred technology from the oil and gas industry to the environmental industry. The oil and gas industry has used directional drilling for decades to improve oil recovery, based on a simple concept that the more screen contact there is with the “pay-zone,” the more production gained. ...

  • Have You Missed a Valve Checkup?

    Let’s face it: Few people enjoy going to the doctor for routine exams — but it’s important. Routine visits help make sure you’re in good shape, and highlight things you can do to be even healthier. As you schedule your annual trip to your physician, don’t forget that valves need checkups, too. In fact, control valves need a checkup every 12 weeks. In our latest ...


    By Singer Valve Inc.

  • LED Applications for Oil and Gas Refining and Processing

    Oil and gas processing facilities are unsafe due to the existence of hazardous compounds during operations. When addressing such issues, companies in the sector may deploy explosion proof lighting systems to prevent the ignition of sparks created from the electrical equipment. The adoption of LED technology in oil and gas refineries has helped reinforce key safety measures associated with ...


    By Larson Electronics LLC

  • What is natural flood prevention and how does it help?

    Around the world many different countries have had to design elaborate and often expensive methods of controlling and mitigating the damaging effects of global flooding. Whilst these methods often involve feats of technical and mechanical engineering, they work against nature, rather than with it.That is where natural flood prevention comes in; utilising local environments and ...


    By AQUAREAD Limited

  • Case study - Tin plating wastewater treatment

    The Client The Client is a steel industry based in the Middle East producing tinplates for food cans. Tinplates provide excellent corrosion resistance and are produced starting from cast iron by several steps. Cast iron is first rolled to get thickness in the range of 0.2 – 0.3 mm than it is electroplated from aqueous acid solutions at a temperature around 60°C. The plating bath ...

  • Thoroughly modern installers keep on industry trend

    The ErP Directive, through its various iterations since 2009, not only places high demands on the efficiency levels of a wide range of heating products, and especially hot water storage in our homes, but also on installers to communicate the benefits of greater energy efficiency to their customers. If the target to reduce energy use by 20% by 2020 is remotely realistic, not only has product ...


    By Kingspan Environmental Ltd

  • From Drought To Flooding: California Struggles With Turnaround

    In a drastic about-face, California has gone from historically desperate drought conditions to an inundation of water that has brought its own set of problems.  In one indicator of the dramatic difference, snowpack on the Sierra mountains recently measured 135 percent of its seasonal average. “We haven’t seen an event of this magnitude in at least a decade,” Mike ...


    By KLa Systems, Inc.

  • Changing the Rules with Mass Detection

    How simplified detectors can provide mass data for every analytical run and speed up method development With access to multiple mass spectrometry systems of varying degrees of sophistication, Davy Guillarme (University of Geneva, Switzerland) wasn’t actively looking for new mass detection solutions. Nevertheless, the Waters ACQUITY QDa mass detector caught his eye. Why? Because it opens a ...


    By Waters Corporation

  • The Next Generation of Level Control

    Water is an essential resource for everyday life, and thus having a way to store and distribute water is of critical importance. Water storage tanks have been designed to compensate for varying water demands during high and low ...


    By Singer Valve Inc.

  • What Is Zero Liquid Discharge and How Does It Work?

    Not every industrial facility that produces wastewater will require zero liquid discharge (ZLD). It is usually looked to as a last resort because it can be a complex process that requires a high initial investment. If a facility is located on a site that has severe water scarcity issues and/or astronomical discharge fees, it might be ...


    By SAMCO Technologies, Inc.

  • Sludge Blanket Level Detection – making new process opportunities possible

    Much Pulsar's Self-Cleaning Viper Sludge Sensor of the demonstrating the effective maintenance-free solution. discussion around the way we deal with sewage sludge – the way it is moved around the process, the bellmouth valves and decant processes, the downstream treatment of the liquors, important issues around TOTEX and discharge Compliance, plus more recently the ...

  • Secondary Oil Containment at US Army Corps of Engineers - Big Bend Dam - Case Study

    Big Bend Dam takes its name from the unique bend in the Missouri River seven miles upstream from the dam. Construction of the dam began in 1959 and the embankment was completed in July 1963. Big Bend dam is 95 feet (29 m) high and 10,570 feet (3,220 m) in length. Power generation began at the facility in 1964 and the entire complex was completed by 1966. The hydroelectric plant generates ...


    By Albarrie Canada Limited

  • Strategic management of water resources important to Ontario craft breweries

    The vast majority of craft breweries in Ontario understand the need to improve their water and resource management performance to save money, protect the environment and enhance community relations. This was a major finding of a survey of Ontario craft breweries conducted in the fall of 2016 that found 97 per cent of respondents agree that better water management is important or very important to ...


    By BLOOM

  • How to achieve triple bottom line sustainability benefits on airport runway projects

    CH2M delivers best-in-class sustainable approaches for airport clients worldwide by constantly seeking opportunities to apply sustainable development and design concepts. From planning through plowing, CH2M is leading the development of the most sustainable runway projects in the U.S. Through our life-cycle approach, airport clients have experienced significant benefits such as ...


    By CH2M Hill Companies, Ltd.

  • Improving Winery Lagoon Performance, Sludge Removal & Efficiency - Case Study

    Overview A winery in California faced the challenge of optimizing and treating their wastewater pond in a sustainable manner. The winery had brush rotors frequently breaking down, which were very difficult and time consuming to repair. They were seeking a more reliable option. Aeration Industries International provided that solution in more ways than one. ...

  • Salinity and miniDOT

    The miniDOT and other optical dissolved oxygen sensors measure oxygen within a special plastic material that has the property of changing its fluorescence in response to the amount of oxygen present. Oxygen arrives within this material by diffusion from the surrounding environment, which is usually water.  The miniDOT determines oxygen concentration in water dissolved oxygen  by ...

  • Saline Pond Multi-Layer Liner System - Case Study

    Gas operation benefits from the conversion of a single-liner system to a double-liner with leak detection monitoring Extensive gas operations near the North Saskatchewan River in Fort Saskatchewan, Alberta, are understandably closely regulated. To help the client remain well above compliance requirements and expand their leak detection capabilities, Nilex implemented the ...


    By Nilex

  • Designing With Geosynthetic Clay Liners

    In construction, preventing the penetration of liquids and gases is essential to maintaining the integrity of a structure. Often, containment is just as important, especially when dealing with chemical contaminants or other waste. When looking to stop the spread of contaminated liquids and gases, there are few tools as effective as geosynthetic clay liners (GCL). Read on to learn how to design ...


    By Agru America, Inc.

  • How to choose open cell or closed cell articulated concrete blocks

    Are you wondering what the best, most cost-effective solution is for erosion control at your construction site? There are a variety of solutions available, but we always highly recommend the use of articulated concrete blocks. These systems are a great alternative to what can otherwise be a costly, time-consuming task in erosion control. Articulated concrete block systems can be used in a wide ...

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