Moessbauer spectroscopy studies of iron-catalysts used in Fischer-Tropsch (FT) processes. Quarterly technical progress report, January--March, 1994 | Zendy

G.P. Huffman | Zendy; K.R.P.M. Rao | Zendy

Open Access

Moessbauer spectroscopy studies of iron-catalysts used in Fischer-Tropsch (FT) processes. Quarterly technical progress report, January--March, 1994

Author(s) -

G.P. Huffman,

K.R.P.M. Rao

Publication year - 1994

Language(s) - English

Resource type - Reports

DOI - 10.2172/113890

Subject(s) - fischer–tropsch process , magnetite , hematite , carbide , catalysis , mössbauer spectroscopy , superparamagnetism , materials science , phase (matter) , spectroscopy , analytical chemistry (journal) , metallurgy , chemistry , inorganic chemistry , magnetization , crystallography , environmental chemistry , physics , organic chemistry , selectivity , quantum mechanics , magnetic field

The objective of this project is to carry out a Moessbauer spectroscopy study of Iron-based catalysts to identify iron phases present and correlate with water gas shift and FT activities. A total of 15 catalysts were evaluated so far. Results are presented on the amounts in each catalyst of the following phases: superparamagnetic phase, hematite ({alpha}-Fe{sub 2}O{sub 3}), magnetite (Fe{sub 3}O{sub 4}), Chi-carbide phase ({chi}-Fe{sub 5}C{sub 2}), and an epsilon-carbide phase ({var_epsilon}-Fe{sub 2.2}C)

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