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  2. Fly ash brick - Wikipedia

    en.wikipedia.org/wiki/Fly_ash_brick

    Fly ash bricks. Fly ash brick (FAB) is a building material, specifically masonry units, containing class C or class F fly ash and water. Compressed at 28 MPa (272 atm) and cured for 24 hours in a 66 °C steam bath, then toughened with an air entrainment agent, the bricks can last for more than 100 freeze-thaw cycles.

  3. Coal combustion products - Wikipedia

    en.wikipedia.org/wiki/Coal_combustion_products

    There are several techniques for manufacturing construction bricks from fly ash, producing a wide variety of products. One type of fly ash brick is manufactured by mixing fly ash with an equal amount of clay, then firing in a kiln at about 1000 °C. This approach has the principal benefit of reducing the amount of clay required.

  4. Henry Liu (civil engineer) - Wikipedia

    en.wikipedia.org/wiki/Henry_Liu_(civil_engineer)

    In 2001, after his retirement, Liu founded FPC, the company which developed a new type of Fly Ash Brick, a building brick made from a waste by-product of coal power plants, using an environmentally sustainable manufacturing process. [1] [3] Liu had spent most of his working career compressing industrial freight using hydraulic presses. In 1999 ...

  5. Brick - Wikipedia

    en.wikipedia.org/wiki/Brick

    A version known as fly ash bricks, manufactured using fly ash, lime, and gypsum (known as the FaL-G process) are common in South Asia. Calcium-silicate bricks are also manufactured in Canada and the United States, and meet the criteria set forth in ASTM C73 – 10 Standard Specification for Calcium Silicate Brick (Sand-Lime Brick).

  6. Cenosphere - Wikipedia

    en.wikipedia.org/wiki/Cenosphere

    Fly ash sample containing ceramic cenospheres, magnified 40×. The process of burning coal in thermal power plants produces fly ash containing ceramic particles made largely of alumina and silica. They are produced at temperatures of 1,500 to 1,750 °C (2,730 to 3,180 °F) through complicated chemical and physical transformation.

  7. Eco-Block - Wikipedia

    en.wikipedia.org/wiki/Eco-Block

    An Eco-Block is an environmental-friendly brick made from recycled materials and construction waste. The brick was invented by the Hong Kong Polytechnic University in 2006. Its major feature is to catalyze the nitrogen oxide and other pollutants in air into non-hazardous substances. Eco-Blocks have been mainly used as paving brick in ...

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  9. PPC Ltd. - Wikipedia

    en.wikipedia.org/wiki/PPC_Ltd.

    PPC Ltd, a supplier of cement, lime (material) and related products in southern Africa. It has 11 cement factories and a lime manufacturing facility in six African countries including South Africa, Botswana, Democratic Republic of the Congo, Ethiopia, Rwanda and Zimbabwe.