gray water tank Articles

  • Power plant converts gray water into boiler feedwater using hero technology

    The Facility The Bajio Power Project is a 600 MW combined cycle project owned by the Energía Azteca, a Mexican project company jointly owned by InterGen and American Electric Power. The build, own and operate facility is in commercial operation near the municipality of San Luis de la Paz in the state of Guanajuato, approximately 160 miles from Mexico City. In 1999, ...

  • Cities are finally treating water as a resource, not a nuisance

    From Houston to Melbourne, the surprising ways urban areas are dealing with water woes Memorial Day barbecues and parades were thwarted this year in Houston when a massive storm dumped more than 10 inches of rain in two days, creating a Waterworld of flooded freeways, cars, houses and businesses, leaving several people dead and hundreds in need of rescue. ...


    By Ensia

  • Cover-all building ideal for waste water treatment solution

    Location: Bartlett, IL, USAApplication: Waste Water Treatment PlantBuilding Series: Legend®Building Size: (4) 62' w x 90' l (18.8m x 27.4m) In 2003, the Village of Bartlett in Illinois purchased four Cover-All® Legend buildings to cover their aerobic digesters at their waste water treatment plant.  Located just 40 miles from Chicago, the facility handles the waste water for 26,000 people ...


  • Residents of a Florida trailer park think their contaminated water made them sick

    Allan Payan lifts a photograph from a shelf inside his singlewide trailer home. The smiling woman in the image has full cheeks and long, thick, brown hair. Caroll Payan, who sits across the couch from him, can't bear to look at the old photo of herself. She has dropped 20 pounds in the past six months, and it shows in her tall, wiry frame. Her green eyes now bulge under heavy lids on a gaunt ...


  • Heat recovery from wastewater

    Heat recovery from gray water is particularly important in water-intensive industries such as pulp and paper plants, dairies and breweries. Rather than flushing used water down the drain, consider whether a heat exchanging system can help you put that energy to work in your process again. Most plant operators arc aware of the need to save money and reduce the environmental impact of their plant ...


    By DDI Heat Exchangers Inc.

  • gPRO HP - Petroleum Leak - Kinston, North Carolina

    BACKGROUND Pyramid Environmental and Engineering is the current consultant Petroleum release ...

  • Egg wash wastewater: Estrogenic risk or environmental asset?

    Commercial production of eggs and egg products requires the washing of eggs to remove urinary / fecal material and broken egg residue. In the case of one Ohio farming facility, 1.6 million birds produce 1.4 million eggs per day, using ∼50 mL of wash water / egg or ∼ 70,000 L per day. The aqueous waste stream was evaluated for estrogenicity, to determine if potential for endocrine disruption ...


    By John Wiley & Sons, Ltd.

  • Helping to Keep DiMillo’s Afloat

    DiMillo’s famous floating restaurant utilizes Gorman-Rupp pumping solution to move wastewater from restaurant to city sewer system. Once a converted car ferry that originally ran between New Castle, Delaware, and Pennsville, New Jersey and later between Newport and Jamestown, Rhode Island, today, DiMillo’s Restaurant is one of the largest floating restaurants in America. ...


    By Gorman-Rupp Co.

  • Cost-efficient oil skimmer simplifies wastewater treatment

    Tim Ruch, head mechanic at Viessman Trucking in Mankato, Minn., knew that oily sludge was a problem - specifically, the oily sludge in wastewater from cleaning out the company's tanker trucks. Meeting municipal regulations for wastewater effluent involved numerous chemicals, equipment and labor hours. However, after purchasing a fully automatic oil skimmer from Oil Skimmers Inc. of Cleveland, the ...


    By Oil Skimmers, Inc.

  • Membrex Membrane Bioreactor - Croisières AML, QC, Canada

    Customer: Croisières AML Croisières AML is the most important cruise-expedition company in Canada. With a fleet of 18 boats located in 8 different ports in the province, near 650 employees welcome 500,000 passengers every year. In order to obtain from Transport Canada all the certifications and permits that are needed, each of their ships must meet very specific ...


    By Premier Tech Aqua

  • Helping to Keep DiMillo’s Afloat

    DiMillo’s famous floating restaurant utilizes Gorman- Rupp pumping solution to move wastewater from restaurant to city sewer system. Once a converted car ferry that originally ran between New Castle, Delaware, and Pennsville, New Jersey and later between Newport and Jamestown, Rhode Island, today, DiMillo’s Restaurant is one of the largest floating restaurants in America. ...


    By Gorman-Rupp Co.

  • Algae Problems

    Almost everywhere where water is being stored, algae problems may occur. When water is stagnant, has a high temperature or a high concentration of Nitrates and Phosphates, an algae bloom might occur, which can cause several problems. Blue-green algae growth can cause a foul odour to the water, a layer of scum on the surface and even pose a health risk. Green algae may colour the water green, look ...


    By LG Sonic

  • Investigating the Fundimental Basis for Selectors to Improve Activated Sludge Settling

    ABSTRACTAerobic, anoxic, and anaerobic selectors have become popular for controlling filamentous bulking in activated sludge systems; however, selectors are not always successful. Regression analyses of data collected from 44 full-scale wastewater treatment plants, with operating selectors, provided criteria for determining when selectors will and will not be successful. Anoxic selectors do not ...

  • Municipal: Wickford, USA

    The Challenge The existing wastewater treatment system at the North Cove development in Wickford, RI could not nitrify and denitrify in winter conditions. The system also had difficulty maintaining nitrification with warmer wastewater temperatures. The existing system consists of numerous septic tanks that receive wastewater (black and gray water) from residential buildings, discharging ...


    By Biowater Technology

  • What will it take to get plastics out of the ocean?

    From drones to filters to artificial islands, innovators are working to reduce the threat thousands of tons of trash pose to marine ecosystems. A few palm trees stand strong in the salty breeze. Located on the southern tip of the Pacific island chain of Hawaii, Kamilo Beach is an isolated stretch of black volcanic shoreline in the middle of nowhere. Just a few hundred yards ...


    By Ensia

  • What are we doing to our children’s brains?

    Environmental chemicals are wreaking havoc to last a lifetime The numbers are startling. According to the U.S. Centers for Disease Control and Prevention, about 1.8 million more children in the U.S. were diagnosed with developmental disabilities between 2006 and 2008 than a decade earlier. During this time, the prevalence of autism climbed nearly 300 percent, while that of ...


    By Ensia

  • The end and beginning of the Arctic

    At the top of the world, it’s time to get ready for a new future. In the winter of 2013–14, hundreds of milk-white birds with luminous yellow eyes and wingspans of up to 5 feet descended on beaches, farmers’ fields, city parks and airport runways throughout southern Canada and the United ...


    By Ensia

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