Heteroatom speciation in coal liquefaction via FT-IR coupled with liquid chromatography. Quarterly progress report, April 1, 1982-June 30, 1982

Technical Report · Wed Sep 01 04:00:00 EDT 1982

OSTI ID:5010618

Taylor, L T

In this report results which have evolved from an evaluation of HPLC coupled with Fourier Transform Infrared Spectrometry (FTIR) employing semi-preparative, analytical and microbore separation are discussed. Model mixtures of numerous aliphatic and aromatic hydrocarbons have been separated on silica gel. In an attempt to identify some of the nonpolar constituents in several coal liquefaction process solvents and jet fuels, optimized HPLC-FTIR has been employed in the normal phase mode with Freon-113 elution. HPLC-FTIR can be a valuable tool in complex mixture analysis. Limitations on solvent windows can be partially overcome by decreasing the cell pathlength if the component concentrations can be increased. This study has shown the feasibility of microbore HPLC-FTIR as a routine tool, which allows the chromatographer to use solvents with large infrared windows which were previously not considered because of their high cost. As the state-of-the-art of microbore column technology increases, the better separations that are expected will be readily amenable to FTIR detection. 12 figures, 2 tables.

• Research Organization: Virginia Polytechnic Inst. and State Univ., Blacksburg (USA)
• DOE Contract Number: FG22-81PC40799
• OSTI ID: 5010618
• Report Number(s): DOE/PC/40799-T3; ON: DE82021728
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
010600 -- Coal
Lignite
& Peat-- Properties & Composition
02 PETROLEUM
023000 -- Petroleum-- Properties & Composition
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104 -- Spectral Procedures-- (-1987)
400105 -- Separation Procedures
CHROMATOGRAPHY
COAL LIQUEFACTION
COAL LIQUIDS
DATA
EXPERIMENTAL DATA
FLUIDS
FOURIER TRANSFORMATION
FRACTIONATION
FUELS
INFORMATION
INFRARED SPECTRA
INTEGRAL TRANSFORMATIONS
JET ENGINE FUELS
LIQUEFACTION
LIQUID COLUMN CHROMATOGRAPHY
LIQUIDS
MASS SPECTROSCOPY
NUMERICAL DATA
RESEARCH PROGRAMS
SEPARATION PROCESSES
SPECTRA
SPECTROSCOPY
THERMOCHEMICAL PROCESSES
TRANSFORMATIONS