U.S. Steel closing Gary Works coke plant – Post-Tribune

Steel plants, coal burning, and health issues are bringing layoffs, displacing hundreds of workers.
Made from crushed coal cooked at extremely high temperatures, coke is a key raw material in iron-making, providing heat for the blast furnace. It comes with costly environmental challenges, however, and steel industry experts say coke-making could become obsolete in the future as the steel industry turns to cleaner technology.

There is no way to smelt iron without a blast furnace and there is no more efficient material to feed a blast furnace than coking coal. This is basic metallurgy.
February 27, 2015

Did you ever fill up your wood stove with wet wood, then shut off the air intake dampers?
Apparently this saves fuel.  Fuel won’t burn well without a proper supply of oxygen,and if your draft is lost due to a clogged chimney,or a clogged chimney cap.
Wet fuel or unseasoned wood,condensates as it rises up to cooler temperatures,causing unburned carbons to collect
within the chimney.

http://www.chicagotribune.com/suburbs/post-tribune/news/ct-ptb-gary-coke-plant-closing-st-0227-20150226-story.html

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