tailings stream News

  • How can oil-sands companies reclaim decade’s worth of tailings ponds?

    Alberta oil-sand companies are forced to clean up their act, and their tailings ponds with the announcement from The Energy Resources Conservation Board now placing stringent regulations on all tailings ponds in Alberta. These new regulations will have monumental effects on how oil-sands companies deal with their waste. With the recent announcement many oil-sands companies must now seek a ...


  • Uhde wins new contracts for EnviNOx® tail gas treatment units for the abatement of greenhouse gases

    Uhde has been commissioned by the Hungarian fertiliser company Nitrogénmüvek Zrt. to engineer and supply a tail gas treatment unit based on the EnviNOx® technology. The EnviNOx® unit will be installed in a new nitric acid plant in Petfürdö, around 80 kilometres south-west of Budapest, and is scheduled to come on-stream in May 2007. Uhde's EnviNOx® process uses a special catalyst to convert the ...


    By ThyssenKrupp Uhde GmbH

  • Framework for Selecting Thin-Cake Candle Filter Technology for Removing Solid Contaminant Fines from Recirculating Acid Gas Scrubbing Fluid Streams

    ABSTRACT The need for filtration systems in scrubbing units has been well documented. Filtration provides the benefits of reduced hot spots in the regenerator reboiler. reduced heal exchanger fouling and reduction of foaming in the absorbers. This paper discusses thin-cake candle filter technology that is used to remove trace amounts of solid contaminant fines from the recirculating fluid ...


    By BHS-Sonthofen Inc.

  • U.S. silver corporation pays EPA $87,000 to settle clean water act violations in idaho’s Silver Valley

    U.S. Silver Corporation, owner and operator of the Coeur and Galena Mines and Mills near Wallace in Idaho’s “Silver Valley,” has agreed to pay $87,000 in penalties to settle federal Clean Water Act discharge violations. The agreement, captured in a Consent Agreement and Final Order (CAFO) between EPA and U.S. Silver, resolves the company’s National Pollution Discharge ...

  • BacTech Files Provisional Patent Application

    BacTech Environmental Corporation ("BacTech" or the "Company") (CNSX: BAC)(WKN: A1H4TY), today announced that it has filed a provisional patent application for a new invention relating to bioleaching. The patent application covers the use of bioleaching as a means of manufacturing liquid ferric sulphate. Ferric sulfate is a staple chemical with a wide range of applications. In conventional ...


  • United Park City Mines agrees to clean up mine waste at Richardson Flat Superfund site

    The U.S. Environmental Protection Agency (EPA) announced today that United Park City Mines (UPCM) has entered into an agreement with multiple federal and state agencies to assess, cleanup, and restore more than 2,700 acres that are contaminated with historic mining waste within the Richardson Flat Superfund site near Park City, Utah. Under the terms of an administrative order on consent between ...

  • Abanaki Oil Grabber Oil Skimmer provides lowest-cost method for removing grease and oil from food processing wastewater

    Abanaki Corporationoffers the Oil Grabber Model 8 oil skimmer for the food processing industry where plant maintenance engineers are looking for the lowest cost, most reliable method of removing food greases and oils from the wastewater stream. Abanaki skimmers use the differences in specific gravity and surface tension between oil and ...


    By Abanaki Corporation

  • EPA Releases Bristol Bay Assessment Describing Potential Impacts to Salmon and Water From Copper, Gold Mining

    The U.S. Environmental Protection Agency today released its final Bristol Bay Assessment describing potential impacts to salmon and ecological resources from proposed large-scale copper and gold mining in Bristol Bay, Alaska. The report, titled "An Assessment of Potential Mining Impacts on Salmon Ecosystems of Bristol Bay, Alaska," concludes that large-scale mining in the Bristol Bay watershed ...

  • `Year of the Bat` gives wings to world`s only flying mammals

    They save the farming industry millions of dollars each year, help sustain the world's forests and, in some countries, are a major tourist attraction. Bats - described as 'one of the planet's most misunderstood and persecuted mammals' - are now flying out of the night and into the spotlight for a two-year-long celebration. Launching today, the UNEP-backed 'Year of the Bat' will promote ...

  • Dredging a Pointless Activity – Plastic Rainwater Tanks a Winning Solution

    Dredging is a pointless activity according to a coalition of environmental groups who are requesting that the Government scales down its preferred method of flood prevention. The Blueprint for Water Coalition is urging the Government to spend resources traditionally channelled into dredging on more effective, alternative flood-control methods. According to Mark Lloyd of the Angling Trust, a ...


    By ENDURAMAXX

  • EPA Issues Record of Decision for the Madison County Mines Superfund Site Operable Unit 5

    EPA Region 7 today issued the Record of Decision (ROD) for the Madison County Mines Superfund Site Operable Unit 5, Catherine Mines and Skaggs Tailings subsites, located in Madison County, Mo. The ROD identifies the selected cleanup methods for the mine waste located at the site. The overall strategy of the selected remedy is to cover consolidated mine waste, soils, and sediment with ...

  • The quiet clean mining revolution

    Few industries have got the black eye, literally and metaphorically, of mining. After centuries of environmental effects ranging from toxic emissions to unsightly tailings ponds, acid mine drainage, massive energy consumption and other impacts, mining is slowly cleaning up its act. Why? Mostly because new clean technologies are increasing industrial efficiencies. They're lowering mining ...


    By GLOBE SERIES

  • Atlantic Richfield Company agrees to pay $187m for Clark Fork River clean-up

    The Atlantic Richfield Company (ARCO) has agreed to pay $187 million which will finance a major cleanup along 120 miles of the Clark Fork River and other areas in southwestern Montana, the Justice Department and Environmental Protection Agency announced today. The State of Montana is a party to settlement and will be the lead government agency conducting the cleanup using the funds secured ...

  • Oil consumption hits all-time high

    Global oil consumption reached an all-time high of 87.4 million barrels per day in 2010, according to a new Vital Signs Online report from the Worldwatch Institute. The 3.1 percent increase more than makes up for the brief decline in consumption caused by the economic crisis. “Between the recession, the BP oil spill, and instability in the Middle East and North Africa, oil markets have ...


    By Worldwatch Institute

  • EPA announces Nevada environmental enforcement accomplishments for 2006

    SAN FRANCISCO – U.S. Environmental Protection Agency’s enforcement actions in Nevada for 2006 brought environmental and public health benefits for the state’s residents as polluters paid over $4 million to correct environmental violations and prevent future pollution. The EPA invested approximately $2.25 million in Superfund monies to abate further environmental damage at the Anaconda ...

  • NOx Scrubbing Technology Breakthrough

    Pacific Rim Design and Development is proud to introduce a technology breakthrough in the treatment and safe elimination of problematic nitric oxide (NO) and nitrogen dioxide (NO2 ).  There are six forms of nitrogen oxide (NOx); the drawings to the right show the two most problematic forms.  These two are of particular interest because they are identified as atmospheric ...


    By Know-NOx

  • Virginia company sues state in hopes of mining uranium

    A mining company that wants to tap one of the world's largest uranium deposits sued Virginia on Wednesday to end a decades-long state moratorium on mining the radioactive ore. Virginia Uranium Inc., which puts a market value of $6 billion on the deposit, filed the lawsuit in U.S. District Court to have the 1982 ban lifted so it can begin mining the 119 million-pound deposit near the North ...


    By Associated Press

  • Rapid growth hits industrial water treatment technologies

    How can water technology companies capitalise on the increasing pressing need to treat and manage water in the face of tightening environmental regulations and a squeeze on global water resources? A new report by Global Water Intelligence seeks the answers. Industrial Water Technology Markets report published by Global Water intelligence (GWI) reviews the existing ...

  • Silver Falcon Mining, Inc.'s (SFMI) President Provides Operational Update

    Silver Falcon Mining, Inc. (OTCBB: SFMI) acquired the War Eagle Mountain property mining rights on the basis of its extensive gold/silver vein systems through a multi-year lease agreement from GoldLand Holdings, Co. (OTCBB: GHDC). These properties are well documented in historical archives, and many mineralized zones are over one mile in length. Over the last 7-months, due to lack of geological ...


  • BioLargo Technologies offer solution to clean-up the oil sands industry

    The Oil Sands industry in Canada is booming. Recent deals with companies looking to capture more of the market share from some of the largest oil deposits in the world include Teck Resources Ltd. (TSX:TCK/B) agreeing to buy SilverBirch Energy Corp. for $435 million for the remaining portion of the Frontier oil sands project that it doesn’t already own; Cretaceous Oilsands Holdings Ltd. (a ...


    By Biolargo, Inc.

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