Slurry phase iron catalysts for indirect coal liquefaction. Second semi-annual progress report, January 5, 1996--July 4, 1996 | Zendy

Abhaya K. Datye | Zendy

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Slurry phase iron catalysts for indirect coal liquefaction. Second semi-annual progress report, January 5, 1996--July 4, 1996

Author(s) -

Abhaya K. Datye

Publication year - 1996

Language(s) - English

Resource type - Reports

DOI - 10.2172/415787

Subject(s) - hematite , catalysis , fischer–tropsch process , materials science , calcination , colloidal silica , agglomerate , chemical engineering , slurry , mineralogy , magnetite , liquefaction , metallurgy , nanotechnology , chemistry , composite material , organic chemistry , coating , engineering , selectivity

During this period, work was continued on understanding the attrition of precipitated iron catalysts and work initiated on synthesizing catalysts containing silica binders. Use of a sedigraph particle size analyzer with an ultrasonic probe provides a simple method to test the strength of catalyst agglomerates, allowing the strength comparison of silica and hematite catalysts (the former is considerably stronger). Study of Fe/silica interactions was continued. Addition of a colloidal silica precursor to calcined Fe{sub 2}O{sub 3} catalyst had no detrimental effect on reducibility of the hematite to {alpha}-Fe. XRD and electron microscopy will be used to analyze the crystal structure and types of C present in samples from long Fischer-Tropsch runs

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