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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. 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.

  5. Coal blending - Wikipedia

    en.wikipedia.org/wiki/Coal_Blending

    Coal blending is the process of mixing coals after coal has been mined to achieve quality attributes that are desirable for the coal’s intended application (e.g. steam generation, coking). [1] The quality attributes that are most important in blending will differ from one mine site to another and also depend on how the coal seams vary in ...

  6. NFL playoff schedule: Dates, times, TV info for wild-card ...

    www.aol.com/nfl-playoff-schedule-dates-times...

    AFC champion vs. NFC champion, 6:30 p.m. ET, Fox This article originally appeared on USA TODAY: 2025 NFL playoff schedule: Dates, times, TV info for wild card games Show comments

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. "American Nightmare" victims help get Matthew Muller to ... - AOL

    www.aol.com/american-nightmare-victims-help...

    "American Nightmare" victims Denise Huskins and Aaron Quinn worked with two small-town law enforcement officials to get kidnapper Matthew Muller to confess to more cold case crimes.

  9. Abbott Elementary returns from winter break tonight — and the regular crew has got some company.The newest episode, “Volunteers,” will see Abbott’s fellow Philadelphia residents visit for ...