1991•Unpublished venueOpen access

Coal oxidation and its effect on oil agglomeration

IA (United States) Ames Lab., X Qiu, USDOE, Washington, DC (United States), [Iowa State Univ. of Science and Technology, Ames, IA (United States)], T Wheelock

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Abstract

Small particles of high volatile bituminous coal from two different sources were oxidized by air at 150 C for up to 72 hrs. As the treatment progressed, samples of coal were recovered and characterized by measuring the heat of immersion of the particles in water and determining the agglomerability of the material with heptane while suspended in water. As oxidation proceeded, the heat of immersion increased and the agglomerability decreased, and a direct relationship between the two was observed.

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Available abstract

Key concepts: Economies of agglomeration, Coal, Bituminous coal, Immersion (mathematics), Heptane, Chemistry, Chemical engineering, Metallurgy