✦ LIBER ✦

The characterization of an active carbon in terms of selectivity towards volatile organic compounds using an LSER approach

Book ID: 104275176
Publisher: Elsevier Science
Year: 2001
Weight: 183 KB
Volume: 42
Category: Article
ISSN: 0140-6701
DOI: 10.1016/s0140-6701(01)80303-9

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✦ Synopsis

By-products related to fuels NMR spectroscopy.

Structural characterization by elemental analysis, FTIR, and NMR spectroscopy on both vacuum-distilled and air-blown pitches showed that distillation of lighter fractions, reduction of atomic H/C ratio, and dehydrogenation raised their softening points. Structural analysis by NMR showed that asphaltite pitches consist of condensed aromatic rings combined with methylene bridges and heterocyclic groups and substituted with alkyl and naphthenic groups. Aspbaltite pitches, which were prepared by solvent extraction (HI-BS) and vacuum distillation (AVD3), resulted in very good and medium spinnable green fibres, respectively. Scanning electron microscope analysis was used to study the morphology of the stabilized fibres. 00100236

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