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Title: New catalysts for the indirect liquefaction of coal. Second annual technical report, August 1, 1981-July 31, 1982

Abstract

Series of zeolite-supported iron-containing catalysts with weight percent iron (% Fe) varying from approx. 1 to approx. 17% Fe have been prepared from Fe/sub 3/(CO)/sub 12/ and the synthetic zeolites ZSM-5, mordenite and 13X by an extraction technique. The zeolites ZSM-5 and mordenite were used in the acid form, 13X in the sodium form. The catalysts were characterized by a variety of techniques including infrared spectroscopy, X-ray powder diffractometry, X-ray photoelectron spectroscopy, ion-scattering spectrometry and Mossbauer spectroscopy. All catalysts contain highly dispersed, small particle-sized ..gamma..-Fe/sub 2/O/sub 3/ with a small amount of the iron (0.6 to 1.5% Fe depending on the support) located in the pores of the support. Evaluation of the catalytic ability of some of these materials for synthesis gas conversion was conducted at 280/sup 0/C and 300/sup 0/C by using a fixed-bed continuous flow microreactor. All catalysts evaluated produce significant quantities of hydrocarbons. The distribution of hydrocarbons varies, depending upon the support used, for catalysts with similar weight percent iron. For the liquid hydrocarbons, Fe/ZSM-5 produces the highest percentage of aromatics, Fe/mordenite produces the highest percentage of olefins, and Fe/13X produces the highest percentage of saturates. The effect of support acidity and pore structure on hydrocarbon productmore » distribution is discussed.« less

Authors:
Publication Date:
Research Org.:
Virginia Commonwealth Univ., Richmond (USA). Dept. of Chemistry
OSTI Identifier:
7013465
Report Number(s):
DOE/PC/30228-T6
ON: DE83001584
DOE Contract Number:  
FG22-80PC30228
Resource Type:
Technical Report
Resource Relation:
Other Information: Portions of document are illegible
Country of Publication:
United States
Language:
English
Subject:
10 SYNTHETIC FUELS; 01 COAL, LIGNITE, AND PEAT; CATALYSTS; CHEMICAL PREPARATION; PERFORMANCE TESTING; SPECIFICITY; FISCHER-TROPSCH SYNTHESIS; CARBONYLS; COAL LIQUEFACTION; EXPERIMENTAL DATA; GASOLINE; INFRARED SPECTRA; IRON COMPOUNDS; MICROSTRUCTURE; MOESSBAUER EFFECT; MORDENITE; PHOTOELECTRON SPECTROSCOPY; POROSITY; SYNTHESIS GAS; X-RAY DIFFRACTION; ZEOLITES; CHEMICAL REACTIONS; COHERENT SCATTERING; CRYSTAL STRUCTURE; DATA; DIFFRACTION; ELECTRON SPECTROSCOPY; FLUIDS; FUELS; GASES; INFORMATION; INORGANIC ION EXCHANGERS; ION EXCHANGE MATERIALS; LIQUEFACTION; LIQUID FUELS; MATERIALS; MINERALS; NUMERICAL DATA; PETROLEUM PRODUCTS; SCATTERING; SILICATE MINERALS; SPECTRA; SPECTROSCOPY; SYNTHESIS; TESTING; THERMOCHEMICAL PROCESSES; TRANSITION ELEMENT COMPOUNDS; 090121* - Hydrocarbon Fuels- Chemical Synthesis- (1976-1989); 010404 - Coal, Lignite, & Peat- Gasification

Citation Formats

Melson, G. A. New catalysts for the indirect liquefaction of coal. Second annual technical report, August 1, 1981-July 31, 1982. United States: N. p., 1982. Web. doi:10.2172/7013465.
Melson, G. A. New catalysts for the indirect liquefaction of coal. Second annual technical report, August 1, 1981-July 31, 1982. United States. https://doi.org/10.2172/7013465
Melson, G. A. 1982. "New catalysts for the indirect liquefaction of coal. Second annual technical report, August 1, 1981-July 31, 1982". United States. https://doi.org/10.2172/7013465. https://www.osti.gov/servlets/purl/7013465.
@article{osti_7013465,
title = {New catalysts for the indirect liquefaction of coal. Second annual technical report, August 1, 1981-July 31, 1982},
author = {Melson, G. A.},
abstractNote = {Series of zeolite-supported iron-containing catalysts with weight percent iron (% Fe) varying from approx. 1 to approx. 17% Fe have been prepared from Fe/sub 3/(CO)/sub 12/ and the synthetic zeolites ZSM-5, mordenite and 13X by an extraction technique. The zeolites ZSM-5 and mordenite were used in the acid form, 13X in the sodium form. The catalysts were characterized by a variety of techniques including infrared spectroscopy, X-ray powder diffractometry, X-ray photoelectron spectroscopy, ion-scattering spectrometry and Mossbauer spectroscopy. All catalysts contain highly dispersed, small particle-sized ..gamma..-Fe/sub 2/O/sub 3/ with a small amount of the iron (0.6 to 1.5% Fe depending on the support) located in the pores of the support. Evaluation of the catalytic ability of some of these materials for synthesis gas conversion was conducted at 280/sup 0/C and 300/sup 0/C by using a fixed-bed continuous flow microreactor. All catalysts evaluated produce significant quantities of hydrocarbons. The distribution of hydrocarbons varies, depending upon the support used, for catalysts with similar weight percent iron. For the liquid hydrocarbons, Fe/ZSM-5 produces the highest percentage of aromatics, Fe/mordenite produces the highest percentage of olefins, and Fe/13X produces the highest percentage of saturates. The effect of support acidity and pore structure on hydrocarbon product distribution is discussed.},
doi = {10.2172/7013465},
url = {https://www.osti.gov/biblio/7013465}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Jan 01 00:00:00 EST 1982},
month = {Fri Jan 01 00:00:00 EST 1982}
}