Oddly enough, coal has a 'shelf life'. Once it comes out of the ground it starts losing the volatile components that make the difference between "Great", "Good" and "Garbage".
Most power plants rotate their coal piles because of this, as well as the potential for spontaneous ignition. Burn the oldest stuff first before it gets any worse!
SRK
MD Ramsey Wrote:
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> That is correct...I shoveled some of that coal
> into the loader to put in the running locomotive
> tenders. Not sure what the deal was, sitting so
> long outside or just poor coal, it didn't burn
> worth a damn but produced some real nice klinkers.
> We didn't use much of it because of this.
>
> MD Ramsey