Cape Town is running out of water. After three years of intense drought, South Africa’s second-largest city is just a few months away from “Day Zero,” the day when the city government will shut off water taps for most homes and businesses.
Sounds simple. It makes sense. But far too many people do not do this. They put together an idea, a process, but fail to take the design to completion before starting to build. Cutting corners always comes at a price. There is an old saying in Project Management, “You can have it Good, Fast or Cheap, pick any TWO”. Cutting corners will bump your cost, decrease quality, or possibly both.
A Pennsylvania man employed by a major pharmaceutical laboratory allegedly stolen poisonous chemicals and dumped them into a public stormwater inlet after he learned he was under investigation.
In recent years, hollow fiber membrane degassing modules have become an ideal option for CO2 removal when compared to harmful, costly chemicals and bulky deaerating towers.
Water utilities in California are saving on their power bills by installing Tesla battery systems in their facilities.
The most common technologies utilized in the treatment of natural bodies of water that become polluted, or begin to undergo eutrophication, involve primarily some form of physical or chemical treatment such as chemical oxidizers, flocculants, activated carbon and zeolites, and/or mechanical treatments such as dredging. The primary drawback to chemical treatments is that the treatments are based on stoichiometry or molecule to molecule interactions. As a result, they get very expensive when treating large volumes of water.
Malta is an archipelago of three islands situated in the Mediterranean Sea, around fifty miles south of Sicily. There are no rivers of any significance on the islands, and the sparse annual rainfall is only about 500 mm. There is a water deficit in Malta. It occurs especially in summer when there is a great demand from the farmers for their irrigation and from the tourism sector.
A former wastewater pro is working to bring robotics and artificial intelligence to an industry that arguably lags on tech adoption.
When designing water and wastewater treatment facilities, engineers have always struggled with the issue of ensuring owners they will get equipment that provides the highest value for the money and meets the needs of their facility.
Comparing blower performances across different manufacturers and technologies has long been a difficult task. For many years, it was all too easy to present data that, although accurate, was potentially misleading. Manufacturers were selective about what information they published as well as what conditions they chose to specify performance. The result was a numbers game the buyer frequently lost. Fortunately, the Compressed Air and Gas Institute (CAGI), in cooperation with its members, has developed a tool for a fair comparison between blowers.
Energy is the single highest operating cost in a wastewater treatment plant. More specifically, the energy to operate blowers for aeration is the single highest energy consumer.
Calling for a war on lead as a new feature of federal policy, U.S. EPA Administrator Scott Pruitt is meeting with Cabinet officials this week to discuss how to keep children safe from lead contamination.
Conventional activated sludge wastewater treatment plants (WWTP) operate with solids (mixed liquor suspended solids – MLSS) concentrations ranging from approximately 1500 to 5000 mg/L. In membrane bioreactors (MBRs), typical MLSS concentrations are even higher (10,000 to 12,000 mg/L).
In New Orleans, the storm drains appear to be decked out for a party — that’s because they are clogged with Mardi Gras beads.
Talk about making waves. Cryptocurrency — digital “tokens” or “coins” rooted in computer code and valued for the very fact that they are disconnected from governments and banks — have experienced spectacular rises and falls in recent months. The crypto-economy is already worth hundreds of billions of dollars (REAL dollars!), and it’s anyone’s guess how fast it will grow after that.
Tennessee’s waterways face a surprising threat: Jack Daniels. “As the whiskey industry continues to grow, Tennessee’s two largest distilleries struggled to comply with water quality regulations last year,” USA Today reported.
Water utilities are concerned that U.S. EPA’s loan program for water and wastewater projects might be expanded — to death.
Municipal Potable Water applications for the Fuzzy Filter have grown the past few years thanks to a strong relationship established with a consulting engineering firm active in the industry. Read the full article to learn more about current installations of the fuzzy filter and how it can improve a plant’s overall efficiency.
As greater restrictions and increased capacities are being placed on industrial & municipal plants, filtration systems are being pushed to greater operating levels. The Fuzzy Filter has enjoyed a distinct advantage over conventional media and disc type filters by virtue of its ability to operate at over 5 times conventional flux rates while maintaining effluent quality better than these technologies.
Schreiber has designed and installed several dual GR plants in which one unit serves as the aeration/clarification unit and other unit serves as the digester/thickener/clarification unit. At the Mirasol, MO plant, the GR digester was sized to allow digestion/clarification in the initial phase, thus satisfying the clarifier duality required in many states, and will be converted to a digester/thickener in a future plant expansion.
In the agriculture sector today, where water usage reporting is increasingly becoming a requirement for irrigation system operators that divert water in regulated areas from ground and surface sources, accurate metering is critical.
Wastewater professionals are always under pressure to save costs while improving treatment. So, new technology that helps to accomplish these goals is always welcome. Wastewater equipment and treatment methodologies are becoming more effective and efficient, providing valuable solutions for utilities and industries.
The innovative CoMag System from Evoqua infuses magnetite into chemical floc to make it heavier, significantly improving clarifier performance. This video explains how the CoMag® System works and how it can be used to increase capacity, enhance clarifier performance and achieve total phosphorous of 0.05 mg/L.
Clean water advocates in Alabama say drinking water quality is so poor in Morgan and Lawrence County that ratepayers are developing kidney problems. Water utility and health officials deny those claims.
The FiltraFast extreme-rate compressible media filter recently developed by SUEZ achieves up to 10 times the hydraulic loading rate compared to conventional filters. FiltraFast is customizable to meet specific requirements of applications including industrial process water and wastewater, municipal tertiary wastewater, and water reuse. In this video, you will learn how FiltraFast works and about the benefits it offers.
Water utilities are concerned that cutting federal regulations for infrastructure projects could threaten water quality.
The U.S. EPA has moved swiftly to suspend an Obama-era water regulation in the aftermath of a Supreme Court decision that boosted the odds the court-contested rule would become enforceable.
Innovative and cost effective, Fuzzy Filter uses compressible media for variable porosity, with high solids storage and no filtered water needed for washing.
Schreiber’s grit and grease removal system removes both grit and grease in a common structure. Two parallel rectangular concrete channels combine to separate and collect grit and grease: one to settle grit particles for removal, and the other to collect grease using Schreiber’s patented air-skimming technology. The system meets the specific flow requirements of each facility and handles large fluctuations in flow. The typical detention time at the design peak flow is five minutes.
The Schreiber Continuously Sequencing Reactor, or CSR, is a Biological Nutrient Removal (BNR) system contained in a single basin. It produces the three process phases required for BNR — oxic, anoxic and anaerobic — in one basin, performed sequentially and repetitively over time. Watch the video to learn more.
A ski resort town near Yellowstone National Park is the latest example of a growing trend in water reuse — snowmaking. Rapid population growth in Big Sky, MT is depleting groundwater, the only source of drinking water for the community. At the same time, the rise in wastewater has the town’s sewage system running at capacity. And with residents fervently opposed to discharging the treated wastewater into the Gallatin River, the Big Sky Sustainable Water Solutions Forum is evaluating snowmaking as a viable option for wastewater disposal.
Satisfying water purification and volume requirements at the treatment plant or wellhead are not the only cost-performance impacts on physical operations. There are other variables related to distribution operations that affect head loss and energy costs throughout a distribution system. Here are several strategies for identifying, calculating, and minimizing head loss.
Any water utility that has to impose restrictions due to water scarcity appreciates the value of conservation. On the other hand, there are utilities that — knowingly or unknowingly — permit as much as 20 to 40 percent of their treated water to trickle away without collecting a cent for it. If you have experienced either extreme, but are not already using advanced metering infrastructure (AMI), what’s holding you back? Before dismissing AMI as being too costly, too technical, or too difficult to implement, consider the following cost-benefit opportunities.
According to the EPA, the volume of treated water lost annually through distribution systems is 1.7 trillion gallons at a national cost of $2.6 billion. Advanced metering infrastructure (AMI) is one way to uncover the “hidden” details behind that assault on water distribution efficiency. In addition, innovative use of AMI smart water solutions also creates cost-efficient ways to optimize performance beyond recouping losses due to leaks, theft, or incomplete billing.
In his State of the Union address on January 30th 2018, President Trump called for a $1.5 Trillion investment in infrastructure. If you’ve been around the wastewater industry for a while, you’ll know that infrastructure spending is often directed to roads and bridges first, transit needs second, and drinking water a distant third. But our industry has a pressing need for investment too.
Dozens of public utilities in Texas provide drinking water with illegal levels of radiation, lead, and arsenic. That’s according to several recent national studies about contamination, The Texas Tribune reported.
Water conservation has long been a hot topic between water utilities and their end users for a variety of reasons — seasonal water scarcity, overextended treatment facilities, periodic maintenance disruptions, etc. But when it comes to managing data that can help control water losses and recover billings for non-revenue water (NRW), why is it so hard to practice what we preach? This article dispels some of the common myths related to advanced metering infrastructure (AMI) technology that can help cut treated water losses and generate previously overlooked revenue.
Fluence’s Membrane Aerated Biofilm Reactor (MABR) technology is an innovative wastewater treatment solution which saves up to 90 percent energy consumption. It is the ideal solution for decentralized applications such as rural villages, housing developments, municipalities, hotels, resorts, and golf courses.
Surrounded by agricultural fields where water is a vital resource, the rural region of Hayogev, Israel chose Fluence’s energy-efficient Membrane Aerated Biofilm Reactor (MABR) solution for wastewater treatment suitable for reuse.
In the first months of the new year, many of us find ourselves facing a combination of ambitious agendas, competing priorities, and budget realities. In the U.S. water sector, there is a never-ending gamut of accountabilities involved in ensuring water quality, including addressing and preventing water shortages, innovating to fight contamination and treat wastewater, and upgrading vast infrastructure.
A water quality bill passed the legislature last week in Iowa, where nitrate pollution from farms has been a persistent issue for water utilities in recent years.
Water quality standards introduced by Florida’s Department of Environmental Protection (DEP) came under renewed scrutiny late last month as Miami-Dade’s government operations committee joined a lawsuit to challenge them.
On May 3rd, 2018, the partnership of Ovivo USA (Ovivo) and MICRODYN-NADIR will host the grand opening of the Ovivo® MBR Knowledge Center and MICRODYN-NADIR Manufacturing Plant for BIO-CEL® MBR Membrane Modules.
Endress+Hauser releases the Memosens COS81D hygienic optical sensor for measuring dissolved oxygen in fermenters and bioreactors used in the food, pharmaceutical and biotechnology industries, as well in drinking water and boiler feedwater applications.
Brown and Caldwell, a market leading environmental engineering and construction firm,recently announced that as part of its planned succession of leadership, Craig Goehring has transitioned from Chief Executive Officer (CEO) to Executive Chairman, and Rich D’Amato, President and Chief Operating Officer (COO), has been promoted to CEO.
With such a media spotlight on sustainability, Zenith's 2018 UK Bottled Water Conference on 15 March in London will open with a breakfast briefing on finding more sustainable packaging solutions.
NSF International, a global public health and safety organization, is hosting Legionella Conference 2018 – Managing Legionella and Other Pathogens in Building Water Systems on May 9-11, 2018, in Baltimore, Maryland.
Penn State presented plans to update its wastewater treatment plant to the State College Borough Council this week, hoping to modernize half-century-old equipment at the century-old facility.
Trimble announced recently an exclusive relationship with Aquarius Spectrum Ltd. to distribute a branded version of Aquarius Spectrum's wireless leak detection and monitoring solutions for water utilities throughout the U.S.
Parkson's Aqua Caiman™ In-Channel Articulating Rake Screen — Providing 100% Rake Engagement
Mark LeChevallier, Principal and Manager
Dr. Water Consulting, LLC
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