Identification of nonvolatile coal derived products via chromatography coupled with on-line FTIR detection: Quarterly progress report for the period June 1, 1987-August 31, 1987
The analysis of nonvolatile coal-derived liquefaction products for minor and trace components which contain nitrogen, oxygen or sulfur presents unique challenges. Justification for their analysis rests on the premise that heteroatom-containing materials can aid and/or hinder the conversion process. This proposal builds upon our efforts during the initial three year grant period regarding the interfacing of Fourier transform infrared spectrometry with size exclusion and normal phase chromatography for the analysis of coal-derived products. Four objectives are proposed: (1) optimize the HPLC-FTIR interface in terms of detectability, identifiability and chromatography, (2) extend the HPLC-FTIR approach to reversed phase chromatography wherein more efficient separations are possible for heteroatom species, (3) determine the feasibility of interfacing supercritical fluid chromatography with FTIR for the analysis of coal-derived products and (4) employ hyphenated methods to ascertain on a molecular level the changes that occur in a nonvolatile coal derived product when various liquefaction parameters are varied. From the results with a crosslinked propyl cyano column, the cross-linking of the surface of bonded phases could be a step toward the further advancement of packed columns for both SFC and HPLC. Also, other types of crosslinked packed columns (C/sub 18, C/sub 8/, C/sub 1/, NH/sub 2/, phenyl and polyethylene glycol) are currently under preparation and evaluation.
- Research Organization:
- Virginia Polytechnic Inst. and State Univ., Blacksburg (USA)
- DOE Contract Number:
- FG22-84PC70799
- OSTI ID:
- 5633909
- Report Number(s):
- DOE/PC/70799-T12; ON: DE88004454
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
COAL LIQUIDS
INFRARED SPECTRA
LIQUID COLUMN CHROMATOGRAPHY
SUPERCRITICAL FLUID CHROMATOGRAPHY
PACKINGS
CROSS-LINKING
FOURIER TRANSFORMATION
PROGRESS REPORT
RECOMMENDATIONS
RESEARCH PROGRAMS
RESIDUES
CHEMICAL REACTIONS
CHROMATOGRAPHY
DOCUMENT TYPES
FLUIDS
INTEGRAL TRANSFORMATIONS
LIQUIDS
POLYMERIZATION
SEPARATION PROCESSES
SPECTRA
TRANSFORMATIONS
010600* - Coal
Lignite
& Peat- Properties & Composition