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Bituminous coal
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===Activated carbon=== Bituminous coal is used for the production of [[activated carbon]]. The coal is first coked, removing volatiles, then steam treated to activate it. Chemical processes for activating coke produced from bituminous coal have also been investigated.<ref>{{cite journal |last1=Hsu |first1=Li-Yeh |last2=Teng |first2=Hsisheng |title=Influence of different chemical reagents on the preparation of activated carbons from bituminous coal |journal=Fuel Processing Technology |date=May 2000 |volume=64 |issue=1β3 |pages=155β166 |doi=10.1016/S0378-3820(00)00071-0}}</ref>
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