U.S. Department of EnergyOffice of Scientific and Technical Information
Mechanisms of pyrite oxidation to non-slagging species. Quarterly report, January 1--March 31, 1997
Abstract
This document is the eleventh quarterly status report on a project that is concerned with enhancing the transformation of iron pyrite to non-slagging species during staged, low-NO{sub x} pulverized coal (P.C.) combustion. The research project is intended to advance PETC`s efforts to improve the technical understanding of the high-temperature chemical and physical processes involved in the utilization of coal. The work focuses on the mechanistic description and rate quantification of the effects of fuel properties and combustion environment on the oxidation of iron pyrite to form the non-slagging species magnetite. Activities during this report period were associated with the numerical encoding of the pyrite combustion model. The computer program resulting from the efforts put forth is intended to provide predictive capabilities with respect to pyrite composition during pulverized coal firing. The subroutines that have been written to track the fate of a pyrite particle of specified size and composition flowing in a gaseous environment of specified oxygen concentration, temperature, and velocity are being debugged and tested.
- Authors:
- Publication Date:
- Research Org.:
- Stanford Univ., High Temperature Gasdynamics Lab., CA (United States)
- Sponsoring Org.:
- USDOE Assistant Secretary for Fossil Energy, Washington, DC (United States)
- OSTI Identifier:
- 656651
- Report Number(s):
- DOE/PC/94205-10
ON: DE98057976; TRN: AHC29817%%207
- DOE Contract Number:
- FG22-94PC94205
- Resource Type:
- Technical Report
- Resource Relation:
- Other Information: PBD: [1997]
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 01 COAL, LIGNITE, AND PEAT; PROGRESS REPORT; COAL; PYRITE; SLAGS; STAGED COMBUSTION; OXIDATION; COMBUSTION KINETICS; MATHEMATICAL MODELS
Citation Formats
Akan-Etuk, A E.J., and Mitchell, R E. Mechanisms of pyrite oxidation to non-slagging species. Quarterly report, January 1--March 31, 1997. United States: N. p., 1997.
Web. doi:10.2172/656651.
Akan-Etuk, A E.J., & Mitchell, R E. Mechanisms of pyrite oxidation to non-slagging species. Quarterly report, January 1--March 31, 1997. United States. https://doi.org/10.2172/656651
Akan-Etuk, A E.J., and Mitchell, R E. 1997.
"Mechanisms of pyrite oxidation to non-slagging species. Quarterly report, January 1--March 31, 1997". United States. https://doi.org/10.2172/656651. https://www.osti.gov/servlets/purl/656651.
@article{osti_656651,
title = {Mechanisms of pyrite oxidation to non-slagging species. Quarterly report, January 1--March 31, 1997},
author = {Akan-Etuk, A E.J. and Mitchell, R E},
abstractNote = {This document is the eleventh quarterly status report on a project that is concerned with enhancing the transformation of iron pyrite to non-slagging species during staged, low-NO{sub x} pulverized coal (P.C.) combustion. The research project is intended to advance PETC`s efforts to improve the technical understanding of the high-temperature chemical and physical processes involved in the utilization of coal. The work focuses on the mechanistic description and rate quantification of the effects of fuel properties and combustion environment on the oxidation of iron pyrite to form the non-slagging species magnetite. Activities during this report period were associated with the numerical encoding of the pyrite combustion model. The computer program resulting from the efforts put forth is intended to provide predictive capabilities with respect to pyrite composition during pulverized coal firing. The subroutines that have been written to track the fate of a pyrite particle of specified size and composition flowing in a gaseous environment of specified oxygen concentration, temperature, and velocity are being debugged and tested.},
doi = {10.2172/656651},
url = {https://www.osti.gov/biblio/656651},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Dec 31 00:00:00 EST 1997},
month = {Wed Dec 31 00:00:00 EST 1997}
}