Enhanced Oxidative Reactivity for Anthracite Coal via a Reactive Ball Milling Pretreatment Step
Reactive ball milling in a cyclohexene solvent significantly increases the oxidative reactivity of an anthracite coal, due to the combined effects of particle size reduction, metal introduction, introduction of volatile matter, and changes in carbon structure. Metals introduced during milling can be easily removed via a subsequent demineralization process, and the increased reactivity is retained. Solvent addition alters the morphological changes that occur during pyrolysis and leads to a char with significantly increased reactivity. When the solvent is omitted, similar effects are seen for the milled product, but a significant fraction of the char is resistant to oxidation.
A. D. Lueking et al., "Enhanced Oxidative Reactivity for Anthracite Coal via a Reactive Ball Milling Pretreatment Step," Energy and Fuels, vol. 23, no. 9, pp. 4318-4324, American Chemical Society (ACS), Aug 2009.
The definitive version is available at https://doi.org/10.1021/ef900390e
Chemical and Biochemical Engineering
Consortium for Premium Carbon Products from Coal
Pennsylvania State University. Energy Institute
Pennsylvania State University. Material Research Institute
Keywords and Phrases
Anthracite coal; Carbon structures; Combined effect; Cyclohexenes; Morphological changes; Oxidative reactivity; Particle size reduction; Pre-Treatment; Reactive ball milling; Volatile matters; Anthracite; Milling (machining); Milling machines; Olefins; Solvents; Ball milling
International Standard Serial Number (ISSN)
Article - Journal
© 2009 American Chemical Society (ACS), All rights reserved.
01 Aug 2009