Photochemical coal dissolution. Quarterly technical progress report, October 1, 1995--December 31, 1995 | Zendy

David C. Doetschman | Zendy

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Photochemical coal dissolution. Quarterly technical progress report, October 1, 1995--December 31, 1995

Author(s) -

David C. Doetschman

Publication year - 1996

Publication title -

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

Language(s) - English

Resource type - Reports

DOI - 10.2172/224272

Subject(s) - benzophenone , reagent , quartz , solvent , extraction (chemistry) , coal , dissolution , photochemistry , chemistry , acetonitrile , tetralin , absorption (acoustics) , filter (signal processing) , analytical chemistry (journal) , chromatography , materials science , organic chemistry , metallurgy , composite material , computer science , computer vision

The remaining types of photochemical extraction experiments originally proposed have now been examined. Experiments in which benzophenone (BP) in solution was employed as a photochemical extraction reagent on pre-extracted coals were performed with Hg arc light through a quartz light filter at a concentration permitting light absorption primarily by the coal. Experiments were done on pre-extracted coals in which tetralin was employed as the photochemical extraction reagent. Finally experiments were performed in which the pre-extracted coal was swelled with BP above its melting point, irradiated through a quartz filter and extracted. The solvent was acetonitrile in all cases

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