Hydrothermally treated coals for pulverized coal injection. Technical progress report, April 1995--June 1995 | Zendy

D. E. Walsh | Zendy; P.D. Rao | Zendy; Olayinka I. Ogunsola | Zendy; H.K. Lin | Zendy

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Hydrothermally treated coals for pulverized coal injection. Technical progress report, April 1995--June 1995

Author(s) -

D. E. Walsh,

P.D. Rao,

Olayinka I. Ogunsola,

H.K. Lin

Publication year - 1995

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/137351

Subject(s) - coal , pulverized coal fired boiler , coke , environmental science , waste management , mineralogy , geology , engineering

This project is investigating the suitability of hydrothermally dried low-rank coals for pulverized fuel injection into blast furnaces in order to reduce coke consumption. Coal samples from the Beluga coal field and Usibelli Coal Mine, Alaska, are being used for the study. Crushed coal samples were hydrothermally treated at three temperatures, 275, 300 and 325{degrees}C, for residence times ranging from 10 to 120 minutes. Products have been characterized to determine their suitability for pulverized coal injection. Characterization includes proximate and ultimate analyses, vitrinite reflectance, TGA reactivity and thermochemical modeling. A literature survey has been conducted

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