Carbon dioxide for fine coal flotation: Progress report, first quarter, second year
Technical Report
·
OSTI ID:5924045
Preliminary FTIR experimental work described in the first Annual Report has demonstrated the potential for the characterization of coal hydrophobicity by FTIR spectroscopy. In this regard, detailed research has been carried out on hydrophobicity characterization of fine coal using FTIR spectroscopy. FTIR spectra were recorded by a DIGILAB FTS-40 FTIR spectrometer using a diffuse reflectance technique. The diffuse reflectance accessory, COLLECTOR, was obtained from Spectra-Tech Inc. A germanium-coated KBr beam-splitter and a liquid nitrogen-cooled Hg-Cd-Te detector were used, and each spectrum of coal was obtained for 700 scans at 2 cm/sup -1/ resolution with KBr powder a background. Since sharp absorption bands for net coal samples were achieved, the samples were not diluted with KBr. Because diffuse reflectance FTIR spectroscopy can reveal the microscopic or molecular nature of the coal surface, attempts have been made to describe coal hydrophobicity by this new technique.
- Research Organization:
- Utah Univ., Salt Lake City (USA). Dept. of Metallurgy and Metallurgical Engineering
- DOE Contract Number:
- FG22-85PC80530
- OSTI ID:
- 5924045
- Report Number(s):
- DOE/PC/80530-T4; ON: DE88002646
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010300* -- Coal
Lignite
& Peat-- Preparation-- (1987-)
010600 -- Coal
Lignite
& Peat-- Properties & Composition
AFFINITY
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHEMICAL COMPOSITION
COAL
COAL FINES
COAL RANK
DATA
DOCUMENT TYPES
ENERGY SOURCES
EXPERIMENTAL DATA
FLOTATION
FOSSIL FUELS
FOURIER TRANSFORMATION
FUELS
HYDROGEN COMPOUNDS
INFORMATION
INFRARED SPECTRA
INFRARED SPECTROMETERS
INTEGRAL TRANSFORMATIONS
MATERIALS
MEASURING INSTRUMENTS
NUMERICAL DATA
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PARTICLE SIZE
PHYSICAL PROPERTIES
PROGRESS REPORT
REAGENTS
SCATTERING
SEPARATION PROCESSES
SIZE
SPECTRA
SPECTRAL REFLECTANCE
SPECTROMETERS
SURFACE PROPERTIES
TRANSFORMATIONS
WATER
010300* -- Coal
Lignite
& Peat-- Preparation-- (1987-)
010600 -- Coal
Lignite
& Peat-- Properties & Composition
AFFINITY
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHEMICAL COMPOSITION
COAL
COAL FINES
COAL RANK
DATA
DOCUMENT TYPES
ENERGY SOURCES
EXPERIMENTAL DATA
FLOTATION
FOSSIL FUELS
FOURIER TRANSFORMATION
FUELS
HYDROGEN COMPOUNDS
INFORMATION
INFRARED SPECTRA
INFRARED SPECTROMETERS
INTEGRAL TRANSFORMATIONS
MATERIALS
MEASURING INSTRUMENTS
NUMERICAL DATA
OPTICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PARTICLE SIZE
PHYSICAL PROPERTIES
PROGRESS REPORT
REAGENTS
SCATTERING
SEPARATION PROCESSES
SIZE
SPECTRA
SPECTRAL REFLECTANCE
SPECTROMETERS
SURFACE PROPERTIES
TRANSFORMATIONS
WATER