Determination of atomic sodium in coal combustion using laser-induced fluorescence

Conference · Thu Jan 01 00:00:00 EST 1987 · Prepr. Pap., Am. Chem. Soc., Div. Fuel Chem.; (United States)

OSTI ID:5971129

Sweeny, P G; Abrahamson, H B; Radonovich, L J; Ballintine, T A

A laser-induced fluorescence spectrometer (LIFS) was assembled and sodium atom densities produced from the aspiration of solutions and direct introduction of a lignite into a flame were determined from fluorescence measurements. The average flame volume observed was 0.4mm/sup 3/. This small volume allowed the measurement of sodium concentrations as a function of vertical and horizontal flame position. Temperature profiles of the flames employed were also obtained and compared with the sodium atom densities. The sodium atom densities calculated from the fluorescence measurements (N/sub tt/) are compared with the sodium atom densities calculated from thermodynamic considerations (N/sub tt/) and sodium concentrations derived from aspiration/introduction rates (N/sub ta/).

• Research Organization: Univ. of North Dakota, Grand Forks (USA)
• OSTI ID: 5971129
• Report Number(s): CONF-870802-
• Journal Information: Prepr. Pap., Am. Chem. Soc., Div. Fuel Chem.; (United States), Vol. 32:4; Conference: 194. American Chemical Society national meeting, New Orleans, LA, USA, 30 Aug - 4 Sep 1987
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
LIGNITE
COMBUSTION
SODIUM
DENSITY
EXPERIMENTAL DATA
FLAMES
FLUORESCENCE SPECTROSCOPY
LASERS
QUANTITY RATIO
TEMPERATURE DEPENDENCE
THERMODYNAMICS
VOLUME
ALKALI METALS
BROWN COAL
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
DATA
ELEMENTS
EMISSION SPECTROSCOPY
ENERGY SOURCES
FOSSIL FUELS
FUELS
INFORMATION
MATERIALS
METALS
NUMERICAL DATA
OXIDATION
PHYSICAL PROPERTIES
SPECTROSCOPY
THERMOCHEMICAL PROCESSES
014000* - Coal
Lignite
& Peat- Combustion