fly ash recycling Articles

  • Fly Ash & the Lightweight Aggregate Market

    In 2015, the global fly ash market was estimated to be valued at 40 billion USD. A recent industry analysis by Research Nester anticipates the market will reach an estimated 70 billion USD by the end of 2023 – a 7.1% CAGR owing to increasing ...


    By FEECO International, Inc.

  • Recycling of Fly Ash Produced in Combustion of Brown Coal with Increased Germanium Content

    A possibility of utilization of fly ash resulting from combustion of Czech brown coal with increased germanium content in a circulation fluidised bed combuster is examined in this study to recover germanium chloride. The laboratory measurement presented in this paper was focused on three aspects: obtaining raw germanium chloride by its direct distillation from the suspension of fly ash and HCl; ...


  • Combined load and leachant pH effects on contaminant release from fly ash

    Several studies have been performed recently on the suitability of particulate waste materials as substitute aggregate in load bearing and geoenvironmental structures. To investigate the long-term performance and durability of these recycled materials, the coupled effects of the interacting fluid chemistry and applied load are herein analysed experimentally. The leachability of heavy metals ...


    By Inderscience Publishers

  • An immobilisation mechanism for lead in fly ash subjected to mechanochemical treatment

    Mechanochemical (MC) processes immobilise heavy metals in fly ash, a desirable outcome because recycled fly ash is commonly used in the synthesis of inorganic materials. We investigate the extent of immobilisation and the mechanism of lead (Pb) leaching during MC treatment of fly ash, using lead oxide (PbO) and lead dichloride (PbCl2) as model compounds. MC treatment of the ...


    By Inderscience Publishers

  • Case study - Fly ash concrete modified strength projects

    In order to remain current with sustainable concrete design and construction practices, it is becoming more important to enable ready mix producers to supply innovative performance mixes that contain optimum percentages of fly ash. These mixes can be used to meet sustainable development practices, durability and exposure requirements, associated life-cycle costs, LEED building credits, economic ...


    By Headwaters, Inc.

  • Case study - High volume fly ash in the Madera project

    Located on a fully wooded 44-acre site in Gainesville, Florida, directly adjacent to the University of Florida campus, Madera consists of 80 lots being developed by Green Trust, LLC, and built by three builders. In the spring of 2002, selected builders were invited to participate in a presentation and meeting with the Florida Energy Extension Service (FEES) which spearheaded the project for the ...


    By Headwaters, Inc.

  • A Pilot Study of Mercury Liberation and Capture from Coal-Fired Power Plant Fly Ash

    The coal-fired electric utility generation industry has been identified as the largest anthropogenic source of mercury (Hg) emissions in the United States. One of the promising techniques for Hg removal from flue gas is activated carbon injection (ACI). The aim of ...

  • Case study - Fort Mandan visitor services center

    The North Dakota Lewis & Clark Bicentennial Foundation has created a unique facility for one of the most vital sites on the Lewis & Clark Trail. The new visitor services center at Fort Mandan stands as a showcase for coal combustion products, while at the same time educating visitors about the journey of Lewis & Clark in North Dakota. Three major parts of the North Dakota: economy, ...


    By Headwaters, Inc.

  • Wisconsin-Based Utility Expands Green Energy Portfolio

    JUST as a wise investor maintains a diverse investment portfolio, a successful utility needs to make certain that it has a diverse portfolio of generation sources,” says Bill Johnson, manager of Agricultural Compliance for Alliant Energy, headquartered in Madison, Wisconsin. Alliant's generation portfolio includes 434 megawatts of renewable energy - enough to power over 110,000 homes. “With ...


    By BioCycle Magazine

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