ash sorting Articles

  • Sorting Equipment Focus: Keeping Time

    (From Recycling Today Magazine) In with the new, out with the old. A reversal of an old adage is perhaps the best way to describe the increased demand for America’s scrap metals. The world’s hunger for new cars, appliances and buildings was a boon for steel makers in 2004.  Global steel production exceeded 1 billion tons last year, a record amount. And as the need for “new” steel products ...

  • MECONTROL UBC Systems for Power Station Moorburg - Case Study

    Efficient City Power Plant Hamburg/ Germany, One of the largest new coal fired power projects is the new power station Moorburg with a net capacity of 1640 MW and with a heating capacity of up to 650 MW. The close vicinity to the city Hamburg makes it possible to increase the efficiency of the units by up to 46.5% with electricity only and 61% with heating. With SH and RH temperatures of ...

  • What is RDF?

    "Refuse Derived Fuel" comes from Refuse Derived Fuel, literally: fuel from garbage. All kinds of garbage sorted, broken, eddy current in addition to aluminum, magnetic separation of iron, and then broken, wind selection, compression and drying processes made of solid form (cylindrical bar) fuel, referred to as RDF. RDF calorific value is 14595-20016 kJ / kg, much higher than coal (about 10870 kJ ...


    By Harden Industries Ltd.

  • A STIEFEL project UTO Uvrier case study

    The waste incineration plant UTO Uvrier is situated in the south western part of Switzerland. The Association which controls the plant was established in 1969 and treats waste from 44 municipalities with a combined population of 170,000 inhabitants. The principal task of UTO Uvrier is the thermal heat recovery from urban and industrial waste. Apart from this, UTO also treats other types of waste ...


    By Jakob Stiefel GmbH

  • Lightweight concrete mix profitable using heavyweight batch mixer

    To increase production of concrete mixes containing coal fired power generation plant ash products, Charah Inc. opened a new manufacturing plant in Emporia, VA, which also serves as a warehouse and distribution center for other concrete industry products. Profit margins are slim in this high volume business, so management placed great emphasis on the capital and operational costs of the equipment ...

  • Smart Series-Odor Management

    Tackling odors at composting facilities is a manageable task made simpler by inventorying and treating all sources and tapping into technology advances. Perhaps one of the most difficult realities that had to be faced 15 to 20 years ago by the composting universe is that the phrase, “odor-free” - at least when it comes to composting - is probably an oxymoron. Feedstocks that biodegrade within the ...


    By BioCycle Magazine

  • A thought for World Environment Day

    With World Environment Day approaching, I decided I really should poke my head above the parapet. As an environmental engineer it behoves me to add my bit about waste. Let me explain where I fit in. I work in the oil and gas business (boooo I hear you say). Well that aside, someone needs to work there to keep them as clean as possible! My forte is waste and water management and zero waste is the ...


    By Ive Design

  • Recycling aluminium explained

    A major magnetic equipment manufacturer has successfully solved numerous Aluminium Recycling problems world wide. Master Magnets Ltd is a world leader in the field of Metal Separation applications, they are now willing to share the secrets behind their success. The recycling of aluminum generally produces significant cost savings over the production of new aluminum even when the cost of ...


    By Master Magnets Ltd

  • PyroPure trial in the London Borough of Wandsworth case study

    A 5 week trial of two PyroPure PP4 units was conducted in a 15 storey block of flats in the London Borough of Wandsworth from 1 September 2009 to 4 October 2009. The trial demonstrated that the PyroPure technology is suitable for the destruction of municipal waste in high rise apartment blocks. The purpose of the trial was To prove that the units were capable of dealing with the volume of ...


    By PyroPure Ltd.

  • Lead and Zinc Smelting Industry - Pollution Prevention Guidelines

    Introduction Pollution Prevention Guidelines to provide technical advice and guidance to staff and consultants involved in pollution-related projects. The guidelines represent state-of-the-art thinking on how to reduce pollution emissions from the production process. In many cases, the guidelines provide numerical targets for reducing pollution, as well as maximum ...


    By The World Bank

  • Pallets to Garden Products: Value-added Wood Recycling Works

    A business venture of St. Paul’s Neighborhood Energy Consortium demonstrates reuse can generate as much as $3,000/ton. AT ANY MOMENT, there may be over two billion wood pallets in circulation throughout the United States, half of which are used only once. Others are reused over longer periods of time, but eventually almost all — nearly 300 million in the U.S. last year — wind up in the waste ...


  • Mixed waste composting trends

    It's been about 25 years since vendors started marketing systems to process mixed municipal solid waste via composting in the U.S. Today, there are 13 plants, most fulfilling their niche in the communities they serve - whether managing MSW in high tourism areas, or processing residual organics from materials recovery facilities. Table 1 provides summary data on the 13 facilities. While we did not ...


    By BioCycle Magazine

  • New ways for Metal Recycling

    REWAVE XRF 3-way-sorting in innovative  “Free-Fall”-design Recycling of metal and aluminium knows no limits because it can be remelted as scrap indefinitely. Metals, however have to be separated from non-metallic impurities, and different metals have to be sorted in pure fractions to be used as secondary raw materials substituting primary resources. Especially when it ...

  • Summary and Conclusions of the Study

    Background and objectives According to 'Affald 21', the Danish national waste plan for the period of 1998-2004 (Ministry of Environment and Energy, 1999) recycling of household waste should be increased over the coming years. The plan is focused on increasing sorting and collection from the households, in which glass is one of the fractions.The first objective of this project is to examine ...


    By 2.-0 LCA consultants

  • Las Vegas DirtWorkz, Inc.: Using the City’s wood waste to farm the desert

    Ray Becerra knows a thing or two about recycling, reusing and repurposing waste materials. You might even say it’s in his blood. Becerra has spent his entire life around landfills and farming operations, and he wears his passion for recycling waste materials on his sleeve. His enthusiasm for dust, dirt and debris, says Becerra, comes from his father, an avid recycler who was involved in the ...

  • Refuse Derived Fuel, Current Practice and Perspectives

    Untitled Document Summary I OBJECTIVES The objectives of the project were to undertake a survey on the current ...

  • 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 ...


  • Environmental Justice: A Brief Historical Analysis

    Untitled Document ...


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