• After Sulfur Smell Hits San Francisco, Some Suspect Wastewater Treatment Odors
    After Sulfur Smell Hits San Francisco, Some Suspect Wastewater Treatment Odors

    Last month, residents of San Francisco were accosted by a smell that is all too familiar to certain wastewater treatment plants. The scent of rotten eggs wafted through the air.

  • Remove Perfluorinated Compounds From Drinking Water — Without Creating A Toxic Waste Stream
    Remove Perfluorinated Compounds From Drinking Water — Without Creating A Toxic Waste Stream

    Water utility managers have a lot of responsibilities, not the least of which is to keep up with the latest in the industry—contaminants, regulations, technology, and trends. And perfluorinated compounds (PFCs) are on the horizon as contaminants that may affect the public health. Water Online spoke with Calgon Carbon about these important emerging contaminants and how best to remove them.

  •  The Synergy Between Activated Carbon And Ion Exchange
    The Synergy Between Activated Carbon And Ion Exchange

    Jacobi Carbons is a renowned voice in activated carbon (AC) solutions for water treatment, as its name would imply. But its employees also possess a high-level expertise on ion exchange (IX) and how the two processes can be combined for optimal results. Water Online tapped into this knowledge, speaking with Jeffrey Singer from Jacobi to break down the processes’ role in water treatment, the problems they can solve as a team, and who utilizes this synergy best.

  • Wyoming Town Struggles With Selenium
    Wyoming Town Struggles With Selenium

    Work on lowering levels of selenium in water for Casper, WY, will be put to the test in 2018 when the city’s wastewater treatment plant will have to apply for a new permit from the Wyoming Department of Environmental Quality (DEQ).

  • Flint Residents Barred From Water Crisis Meeting
    Flint Residents Barred From Water Crisis Meeting

    Residents of Flint, MI, say they are being shut out of official discussions of the water crisis.

  • Latest Pipeline Fight Centers On Mining Wastewater
    Latest Pipeline Fight Centers On Mining Wastewater

    Environmentalists are taking on an electric utility in a federal regulatory proceeding about the fate of mining wastewater.

  • If Israel Can Find Common Ground Around The Environment, Why Can’t Texas?
    If Israel Can Find Common Ground Around The Environment, Why Can’t Texas?

    Deep in the Israeli desert is an academic institute that is building peace in the region by putting nature at its center. The Arava Institute, in partnership with Ben Gurion University, brings students from Israel, Palestine, Jordan, and around the world to find common ground around environmental problems and build trust — and peace — from there.

  • Rule To Warn Public Of Pollution Emergencies Tossed Out By Florida Judge
    Rule To Warn Public Of Pollution Emergencies Tossed Out By Florida Judge

    Last October, Florida Governor Rick Scott enacted a new rule that required that the public be made aware of pollution accidents. Now, however, that rule appears to be no more.

  • California Regulators Release Official Report On DPR
    California Regulators Release Official Report On DPR

    As 80 percent of California continues to languish in drought conditions, state regulators are a step closer to allowing the practice of direct potable reuse (DPR).

  • Austin Undertakes Major Rate Structure Study
    Austin Undertakes Major Rate Structure Study

    Officials in Austin are undertaking a major review of how customers pay for water.

  • Clarification And Filtration Upgrades Using ACTIFLO Technology
    Clarification And Filtration Upgrades Using ACTIFLO Technology

    The City of Somersworth has a historical background dating back to the early 1900s when it became the first community to start using chlorine to disinfect it’s drinking water.

  • 5 Red Flags For Chloramination
    5 Red Flags For Chloramination

    Many drinking water utilities have made or are considering the switch from chlorine to chloramine to avoid regulated disinfection byproducts. However, the Water Research Foundation warns that chloramination presents its own set of problems.

  • A Guide For Assessing Industrial Discharge
    A Guide For Assessing Industrial Discharge

    A new best practices guide from the U.S. EPA provides discharge permit writers and pretreatment coordinators with tips on helping wastewater treatment plants deal with industrial effluent.

  • The Climb To The Top
    The Climb To The Top

    Back in the late 1980s 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.

  • A Guide To Eliminating Pipe Breaks
    A Guide To Eliminating Pipe Breaks

    Call it what you want, but a busted pipe spells nothing but T-R-O-U-B-L-E.

  • Water Workers Accused Of $500,000 In Theft From New Orleans Utility
    Water Workers Accused Of $500,000 In Theft From New Orleans Utility

    Authorities are going after ten former employees of the New Orleans water utility on allegations of theft.

  • Water Utility Objects To Potential Nuclear Plant Expansion
    Water Utility Objects To Potential Nuclear Plant Expansion

    Concerns about water pollution have prompted a relatively small water utility in the Florida Keys to take on an electric giant in a federal fight over a nuclear plant.

  • Rochester Uses 'Pickle Juice' Substance To Limit Nitrogen
    Rochester Uses 'Pickle Juice' Substance To Limit Nitrogen

    Rochester, NH, is trying something new in order to reduce the amount of nitrogen that it discharges from its wastewater treatment plant. The city will be using acetic acid, which it likens to pickle juice.

  • Water Vs. Climate Change
    Water Vs. Climate Change

    Recently, the United Nations held a conference in Morocco related to climate change issues. The location of the conference had significant meaning because Africa has become a bellwether for the rest of the world when it comes to climate change. Desertification and rising sea levels both impact countries all over that continent.

  • Utilities And The Fight Against Road Salt
    Utilities And The Fight Against Road Salt

    With snow fall occurring around the country, the use of salt on roads and streets has become a concern for water treatment operations.

  • 'Never Again': Utility Makes Protocol Changes After Contaminating Nature Preserve
    'Never Again': Utility Makes Protocol Changes After Contaminating Nature Preserve

    A Texas utility is making changes to its protocols after incurring a fine due to allegations that it released 2 million gallons of treated effluent into a nature preserve last year.

  • Cher To Star In Flint Water Crisis Movie
    Cher To Star In Flint Water Crisis Movie

    The water crisis in Flint, MI — where residents still can’t drink unfiltered tap water — is coming soon to a television near you.

  • ETS-UV™ Disinfection Systems Open Channel Vs Closed Vessel
    ETS-UV™ Disinfection Systems Open Channel Vs Closed Vessel

    Ultraviolet disinfection is now a standard feature in most wastewater treatment systems. UV has also been embraced by the drinking water community as an effective barrier against chlorine tolerant organisms such as Cryptosporidium and Giardia. The technology is widely favored in wastewater treatment due to its non-chemical nature, the fact that no subsequent dechlorination process is required and its ability to be unselective in disinfection performance.

  • Why Strategic Choices — And Water — Could Make People More Energy-Efficient
    Why Strategic Choices — And Water — Could Make People More Energy-Efficient

    At my household, a new year means a new energy and water-use baseline. By that I mean, every month, I look at how much electricity and water I used in comparison to the same month the previous year — so I can try to be as efficient as possible. But I work in the energy field, and I know that’s not a typical New Year’s tradition. Most people don’t examine the trends of their energy-use or spend much time thinking about how to reduce it.

  • A Visual Guide To Troubleshooting Your Valves
    A Visual Guide To Troubleshooting Your Valves

    Water management professionals know all too well that problems arise — usually sometime after 2 a.m., or just as you’re walking out the door for a holiday weekend. No matter how well-prepared you are, or how sophisticated your system, sometimes you’re going to run into challenges. It’s simply the nature of the industry. When you experience an issue with your valves (especially when they’re failing to open or close as expected) your first instinct is to call the factory for support. While some cases may require factory assistance, this isn’t always the most efficient solution.

  • Lead Found In Louisiana Town’s Drinking Water
    Lead Found In Louisiana Town’s Drinking Water

    Last month, Governor John Bel Edwards made an emergency order for St. Joseph, a small northeast Louisiana town, when two routine samples of the town’s drinking water showed signs of lead contamination and two more samples showed high levels of copper.

  • Mistaken Meter Reads Lead To $800,000 Lawsuit
    Mistaken Meter Reads Lead To $800,000 Lawsuit

    Water consumption is at the center of a giant lawsuit in California.

  • Obama Admin ‘Nudges Forward’ Big Water Tunnels In California
    Obama Admin ‘Nudges Forward’ Big Water Tunnels In California

    As the Obama years come to an end, administration officials are working to support the controversial California tunnel proposal as one of their acts in office.

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1700 Series For The Petro-Chemical Market 1700 Series For The Petro-Chemical Market

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Calgon Carbon’s ion exchange technology is designed to remove dissolved ionic compounds from water or other liquids. Calgon Carbon offers media, fixed bed and continuous systems for a variety of applications.

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Vertical Wet Well Centrifugal Chopper Pump Vertical Wet Well Centrifugal Chopper Pump
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Technology pilot demonstrations can be beneficial to wastewater treatment plants by providing a snapshot of essential process operating conditions and allowing the customer to interact with the technology and factory personnel.

Sensus Fire Hydrant Meter Sensus Fire Hydrant Meter

Measure water from hydrants or non-permanent set-ups. Choose from two models: 125-W and 1125-W for measuring flows to 1125 GPM (4250 litres per minute). Both have convenient carrying handles, locking hasp lids and are available with a number of options.

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The Memcor® CSII double-ended filtration system features innovative double-ended filtration that uses up to 20 percent less backwash aeration energy. The proven module design reduces footprint by up to 30 percent or utilizes new space and increases capacity up to 30 percent.

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This video clearly illustrates how successful the wet well wizard is at eliminating FOG (Fats, Oils, and Grease) from collection system lift station wet wells. The patent pending Wizard design is guaranteed never to allow air bubbles to cavitate wet well pumps, to eliminate H2S odor from forming in the well where it is located, and eliminate all negative odors.

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The CoMag® system from Evoqua improves chemical flocculation treatment in wastewater and drinking water applications by using magnetite (an iron ore) to ballast chemical floc, resulting in rapid, reliable and enhanced settling and clarification. The CoMag system settles floc up to 30 times faster than conventional treatments, which reduces plant investment costs by enabling greater treatment capacity in smaller or existing tanks.

I-BOx Series Packaged Biological Odor Control System Video I-BOx Series Packaged Biological Odor Control System Video

The I-BOx® Biological Odor Control System (patent pending) uses a two-stage process with a biological stage to remove 99% of the hydrogen sulfide (H2S), followed by an activated carbon polishing stage to remove residual H2S and organic odors. Standard models are available to treat up to 5,000 cfm (8500 m3/h) of odorous air.

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The IMS Fluoride Feed System is designed with separate saturator and solution tanks to ensure complete saturation, high reliability, low maintenance, and ease of use. Systems are sized to meet customer requirements.

MCS Modular Carbon Adsorber Odor Control System Video MCS Modular Carbon Adsorber Odor Control System Video

The MCS odor control systems are single stage, skid-mounted, dry media systems, designed for relatively lower odor levels and organic odors. The media may be virgin activated carbon or any of a number of specialty catalytic carbon media. Standard models are available to treat up to 1,400 cfm (2400 m3/h) of odorous air.

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