Nordevco Associates Ltd.

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  • Project review – Dunnottar primary cell lagoon treatment case study

    Project review – Dunnottar primary cell lagoon treatment case study

    A. Pre-Treatment Sludge measurement - May 17, 2004 by Mitch McPherson, Foreman, Village of Dunnottar Volume of sludge (based on average depth of all sludge readings): 50,616 ft3 Area of Primary Cell: 800’ x 450’ = 360,000 ft2 40.5 ...

  • Treatability study for pemex oil refinery salamanca, Mexico case study

    Treatability study for pemex oil refinery salamanca, Mexico case study

    The Problem Both PEMEX and the City of Salamanca were looking at constructing two sewage treatment plants to treat wastewater; one to treat the Ing. Antonio M Amor refinery’s industrial waste and one to treat the City’s municipal waste. ...

  • Pemex refinery decommissioning case study

    Pemex refinery decommissioning case study

    The Problem The decision by PEMEX to close their "La Nogalera" petroleum storage facility in Guadalajara, Mexico, involved the demolition of the facility`s large storage tanks. Before demolition, the tanks had to be cleaned and all traces of ...

  • Port of antwerp oil spill soil remediation project case study

    Port of antwerp oil spill soil remediation project case study

    THE PROBLEM In 1990, 4500 m3 of silty sand/soil contaminated with mineral oil (diesel) to a level of 1500 ppm was treated on-site (Port of Antwerp) at the request of the client. OUR APPROACH On reviewing both the site and the scope of the project ...

  • St. Claude wastewater case study

    St. Claude wastewater case study

    The dairy plant located in St. Claude, Manitoba was facing operational and regulatory pressure due to the significant amounts of BOD it was discharging into the community wastewater system. Levels of BOD discharged from the plant were steadily ...

  • ST. Thomas, USVI diesel oil spill soil remediation project case study

    ST. Thomas, USVI diesel oil spill soil remediation project case study

    The Problem Staff at a major four-star resort outside St. Thomas in the US Virgin Islands spilled diesel fuel and kerosene during the transfer from a tanker truck to on-site storage tanks. Approximately 67.3 m3 of soil having an average ...

  • In-situ remediation of Polycyclic aromatic hydrocarbon contaminated soils - New Jersey, USA case study

    In-situ remediation of Polycyclic aromatic hydrocarbon contaminated soils - New Jersey, USA case study

    Executive Summary A New Jersey utility company operated a regulator station on the site of a former manufactured gas plant in central New Jersey. The gas transfer station contained a large natural gas feeder main that fed major population centers in ...

  • Treatment of denis pond woluwe park brussels, Belgium case study

    Treatment of denis pond woluwe park brussels, Belgium case study

    Executive Summary As a result eutrification (the process in which oxygen is removed from the water by the decomposition of large amounts of organic matter) the water quality in the Denis Pond in Woluwe Park, Brussels, Belgium began to deteriorate in ...

  • Treatment of the city of Oudenaarde (Belgium) sewage discharge canal case study

    Treatment of the city of Oudenaarde (Belgium) sewage discharge canal case study

    Executive Summaryc A canal responsible for carrying sewage away from the City of Oudenaarde to the Scheldt River was partially dammed in 1965 leaving an area of open water of approximately 1 hectare (600 meters by 17 meters). As the canal was only ...

  • In situ treatment of canal sediments case study

    In situ treatment of canal sediments case study

    The Problem Rivers and waterways have traditionally been the focus of industrial construction and commerce. Throughout the world, cities have grown and flourished on the banks of major inland waterways. Additionally, major industrial development has ...

  • Groundwater remediation pump and treat carberry, Manitoba case study

    Groundwater remediation pump and treat carberry, Manitoba case study

    Executive Summary Two of four underground gasoline tanks were removed from an old service station located in Carberry, Manitoba a number of years after the facility ceased operating. Two tanks were left on site and were used until 1985, when ...

  • Dunnottar Primary Cell Lagoon Treatment

    Dunnottar Primary Cell Lagoon Treatment

    A. Pre-Treatment Sludge measurement - May 17, 2004 by Mitch McPherson, Foreman, Village of Dunnottar Volume of sludge (based on average depth of all sludge readings): 50,616 ft3 Area of Primary Cell: 800’ x 450’ = 360,000 ft2 40.5 ...

  • Pemex Refinery Decommissioning

    Pemex Refinery Decommissioning

    The Problem The decision by PEMEX to close their "La Nogalera" petroleum storage facility in Guadalajara, Mexico, involved the demolition of the facility`s large storage tanks. Before demolition, the tanks had to be cleaned and all traces of ...

  • Oakbank engineering report case study

    Oakbank engineering report case study

    Tadeusz Smoter, Professional Engineer registered in the Province of Manitoba, 31 Nikki Lane, Winnipeg, MB R2V 4M3, Canada, have examined the results and all relevant information dealing with a biological treatment done by Nordevco Associates Ltd. of ...