Water & Wastewater Articles

  • Oil Sampling Best Practices (Part 2)

    Understanding Dynamic Particle Equilibrium in Closed Loop Systems Dynamic Equilibrium Condition (DEC) is defined as a steady state condition where the normal wear rate in a machine results in no net gain or loss of particles. ...


    By Spectro Scientific

  • Comparing nonreinforced and internally reinforced GCL

    Water is one of the most destructive forces on the planet, eroding everything from continents to human-made wonders. Water is also a vector by which contaminants spread from landfills and other waste reservoirs. Therefore, creating effective water seals has been a top concern in construction. For many years, factory-fabricated clay products have been the barrier of choice against water and other ...


    By Agru America, Inc.

  • MSW Management: Safely Countering the Rise of Landfill Odors

    One of the core challenges of landfill and compost site management is fighting the rise of foul odors. In addition, as communities expand further out from previous areas, they eventually become neighbors to landfills – calling for a comprehensive odor-control approach to countering odor complaints. In fact, compared to other industrial applications such as wastewater treatment and asphalt ...


    By OMI Industries (OMI)

  • Monitoring the oxygen content in bio-methane-to-grid supply

    Orbital utilise the EC91 ATEX oxygen analyser from Systech Illinois to accurately monitor the oxygen content in the purified bio-methane gas prior to it being injected into the national grid gas network In September 2010, Orbital installed the gas monitoring and treatment plant on the UK’s very first large-scale bio-methane-to-grid production facility. This site was designed specifically to ...


    By Systech Instruments Ltd

  • Flow Rate Measurement in Full Pipes Using the Transit Time Method

    Particularly in large diameters the relevance of water volume measurement is growing. The challenge with cooling water or fresh water processes is to generate accurate flow recordings or to document and to control individual consumptions and withdrawal quantities. Flow detection, however, particularly in large diameters is highly demanding. In such cases the transit time measurement thanks to its ...


    By NIVUS GmbH

  • Landfill pumps for Gas well dewatering - Case Study

    AutoPumps Keep the Power On for Thousands of Florida Homes Waste Management's Springhill Regional Landfill near Campbellton, Florida generates "green" energy by extracting and burning the methane in landfill gas. Its $7 million landfill gas energy (LFGE) plant, with six large Caterpillar engines running 24 hours a day, 7 days a week, is capable of producing 4.8 million watts of power. ...


    By QED Environmental Systems

  • Treating drinking water with 99% removal - Case Study

    QED E-Z Tray® Air Stripper Treating Drinking Water with 99% Removal in Cedarburg, Wisconsin In October 2011, the Cedarburg, Wisconsin Light and Water Utility installed a QED E-Z Tray® (U.S. Patent Number 5,518,668) Air Stripper in a discreet addition to their existing production pump building. The E-Z Tray 72.6 handles a flow rate of ...


    By QED Environmental Systems

  • E-Z Trays an Integral Part of Levelland`s Groundwater Treatment - Case Study

    QED E-Z Tray® Air Strippers an Integral Part of Levelland's Groundwater Treatment System The refinery at the former Motor Fuels Corporation produced all grades of gasoline, tractor fuels, diesel, distillate products, and fuel oils. It closed in 1954 after 15 years of operation, and the refinery equipment was removed by 1958. The property has since been redeveloped, but the ...


    By QED Environmental Systems

  • Healthy Habits - Improving Wellbeing on a Work Schedule

    As we firmly embrace 2017 crashing into these strange new numbers head on, many of us will be facing the harsh reality of our New Year resolutions; perhaps – just perhaps – in many cases feeling like we’ve promised just a little more than we can deliver. Taking an educated guess, it’s safe to assume many people’s plans will consist of some effort to get back into ...


    By SHEilds Ltd

  • 10 Reasons why you should continuously monitor low temperature and liquid chemical sterilants for worker safety

    1. Sterilant chemicals are highly toxic Low temperature and liquid chemical sterilants are designed to kill all microorganisms including resistant spores and if they were not toxic, they would not be effective in sufficiently high concentration to destroy all microbial life including the chemically resistant sporicidal forms of certain ...


    By ChemDAQ, Inc.

  • What are the best companies for Zero Liquid Discharge Equipment and Technology?

    With an increasing push for environmental protection, many industrial facilities and effluent regulators are making decisions that lessen their impact on the environment and human health. Changes and implementations are constantly being discussed and met both nationally and internationally to change the way industrial facilities discharge waste, and it is important to know which companies are the ...


    By SAMCO Technologies, Inc.

  • Why Water Management Professionals Can’t Afford to Ignore Innovation

    Innovation in the water management industry is born from the collaboration between water managers, operators, engineers and manufacturers who set out to resolve problems or improve service levels that impact all parts of the supply chain. This is usually the result of early adopters either at the field level or in engineering ...


    By Singer Valve Inc.

  • The climb to the top

    Back in the late 1980’s when market drivers created the cost-effective option of using above-ground circular tanks for industrial activated sludge processes, there were some early valuable lessons for both aeration equipment manufacturers and plant operators. As production plants got away from in-ground basins, one of the more simple innate operational checks became more challenging; ...


    By KLa Systems, Inc.

  • Combining surface aeration and diffused aeration improves chemical effluent quality

    “The greatest advantage we see with the Aire-O2 Tritons, is the aeration tank does not need to be emptied in order to maintain the equipment; saving us both time and resources and with no interruption to production.” Overview Daurala Organics Limited, a chemical producer in Daurala, India, manages 1600 m3/d flow in their activated sludge process plant. Daurala has ...

  • Oil Sampling Best Practices

    Obtaining a representative oil sample from a closed loop lubrication system is essential to any good oil analysis program. As oil analysis programs become more standardized for routine monitoring, especially within equipment warranty support programs, equipment makers provide more sampling points on new equipment. These ...


    By Spectro Scientific

  • Top 16 for 2016 - Restek LC article makes the cut

    If you are an avid chromatographer you likely subscribe to LC/GC magazine or its popular electronic version, E-Separation Solutions. It is definitely the place to go for news and information related to all things Chromatography. Over the years Restek has had many an article published in LC/GC and, full disclosure, we advertise there as well. Who in the business doesn’t? It is the place ...


    By Restek Corporation

  • ALBANISA Oil Spill Equipment Setup - Case Study

    As a part of the Bolivarian Alliance for the People of Our America (acronym in Spanish: ALBA), Nicaragua has received funds to build a new oil hub in the Caribbean. The hub will be available for oil companies in order to store their products before reaching its final destination. By doing that the profit will be increased as the costs for transportion is reduced. The updated environmental ...


    By DESMI A/S

  • World Oil: Method proves itself for field monitoring of asphaltene treatment programs

    Asphaltene deposition is a serious concern for operators, particularly in deepwater subsea systems, due to the immense capital costs of these developments; expense and challenges in performing remediation operations; and the potential for staggering amounts of lost or deferred production. Consequently, it is imperative that asphaltene concerns are evaluated thoroughly for new deepwater ...


    By Baker Hughes

  • Importance of Inspecting Reservoirs

    Inspecting Reservoirs – what is the importance of them, why they are inspected, and how ROVs help pave the way for low-cost, regular maintenance. What is a Reservoir? Deriving from the French word réservoir meaning “storehouse,” a reservoir is exactly that – a storage place for water. More often than not, these bodies of water are ...


    By Deep Trekker Inc.

  • How a contract research lab advanced its polymer characterization capabilities

    Realizing the Advantages of Ultra-High-Performance Size Exclusion Chromatography Compared to GPC Intertek is a global provider of quality and safety services designed to help businesses improve products, assets and processes, overcome market constraints and reduce risks. From auditing and inspection, to testing, training, and certification, Intertek enables customers to meet end ...


    By Waters Corporation

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