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  2. Pulverized coal injection method - Wikipedia

    en.wikipedia.org/wiki/Pulverized_coal_injection...

    The PCI method is based on the simple concept of primary air (termed the "conveying gas") carrying pulverized coal which injected through a lance to the tuyere (mid-bottom inlet of a blast furnace), then mixed with secondary hot air (termed the "blast") supplied through a blowpipe in the tuyere and then piped to a furnace to create a balloon ...

  3. Metallurgical coal - Wikipedia

    en.wikipedia.org/wiki/Metallurgical_coal

    Metallurgical coal or coking coal [1] is a grade of coal that can be used to produce good-quality coke. Coke is an essential fuel and reactant in the blast furnace process for primary steelmaking. [2] [3] [4] The demand for metallurgical coal is highly coupled to the demand for steel. Primary steelmaking companies often have a division that ...

  4. Middlemount coal mine - Wikipedia

    en.wikipedia.org/wiki/Middlemount_coal_mine

    The Middlemount Coal Mine is an open-cut mine located approximately 90 kilometres north-east of Emerald and some 7 kilometres west of the township of Middlemount in Queensland's Bowen Basin. The mine produces medium-volatile pulverized coal injection (PCI) coal and semi-hard coking coal for the export market.

  5. Coking factory - Wikipedia

    en.wikipedia.org/wiki/Coking_factory

    A coking factory or a coking plant is where coke and manufactured gas are synthesized from coal using a dry distillation process. The volatile components of the pyrolyzed coal, released by heating to a temperature of between 900°C and 1,400 °C, are generally drawn off and recovered. There are also coking plants where the released components ...

  6. Coking - Wikipedia

    en.wikipedia.org/wiki/Coking

    Coking is the process of heating coal in the absence of oxygen to a temperature above 600 °C (1,112 °F) to drive off the volatile components of the raw coal, leaving behind a hard, strong, porous material with a high carbon content called coke. Coke is predominantly carbon.

  7. Coal interests vs. environmentalists: Bill on fossil fuel ...

    www.aol.com/coal-interests-vs-environmentalists...

    Coal has fallen from more than half of the nation’s utility-scale electricity generation at the turn of the century to 16.2% last year, according to the U.S. Energy Information Association.

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