Study of subbituminous coal chars: Effect of heat treatment temperature on their structural characteristics | Zendy

Gutierrez Maria Del Carmen | Zendy; Cukierman Ana Lea | Zendy; Lemcoff Norberto O. | Zendy

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Study of subbituminous coal chars: Effect of heat treatment temperature on their structural characteristics

Author(s) -

Gutierrez Maria Del Carmen,

Cukierman Ana Lea,

Lemcoff Norberto O.

Publication year - 1988

Publication title -

journal of chemical technology and biotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 117

eISSN - 1097-4660

pISSN - 0268-2575

DOI - 10.1002/jctb.280410202

Subject(s) - char , coal , adsorption , diffusion , materials science , chemistry , sorption isotherm , chemical engineering , thermodynamics , organic chemistry , physics , engineering

Changes in the apparent surface area that are produced by carbonisation of a subbituminous coal at different temperatures are followed by adsorption of CO 2 at 273 K and 298 K, the Dubinin—Radushkevich equation being used. Activated diffusion effects are found for the char samples prepared at 973 and 1173 K. A maximum in the apparent surface area is found at 1073 K.

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