1986
DOI: 10.1016/0378-3820(86)90005-6
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Characterization of heavy organic products derived from brown coal in BCL process (1). Effects of liquefaction conditions on properties of CLB in primary hydrogenation

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Cited by 27 publications
(4 citation statements)
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“…In addition, solvent blends, e.g., distillate with non-distillate, can offer advantages to coal conversion because of improved hydrogen transfer or physical solvation. 185,186 The partitioning of solvent components between vapor and liquid phase may strongly affect the degree to which they can contact other liquid and solid reactants (coal and catalyst). In flow reactors, the stripping of lower boiling fractions by the gas stream will lead to reduced residence time of these fractions relative to the high boiling fractions.…”
Section: Effect Of Solventsmentioning
confidence: 99%
“…In addition, solvent blends, e.g., distillate with non-distillate, can offer advantages to coal conversion because of improved hydrogen transfer or physical solvation. 185,186 The partitioning of solvent components between vapor and liquid phase may strongly affect the degree to which they can contact other liquid and solid reactants (coal and catalyst). In flow reactors, the stripping of lower boiling fractions by the gas stream will lead to reduced residence time of these fractions relative to the high boiling fractions.…”
Section: Effect Of Solventsmentioning
confidence: 99%
“…CLB was fractionated by sequential solvent extraction using n-hexane, benzene, and pyridine to determine the yields of hexane-soluble (HS), hexaneinsoluble−benzene-soluble (HI−BS), benzene-insoluble−pyridinesoluble (BI−PS), and pyridine-insoluble (PI) fractions. 9 After each PDU experiment, the scales deposited inside the pipes connecting the reactors and gas−liquid separator were recovered by the following procedure. First, the pipes were washed by acetone to remove organic components involved in the scale deposited on the inner wall.…”
Section: Methodsmentioning
confidence: 99%
“…The yields of all products were expressed on the basis of raw coal (daf). CLB was fractionated by sequential solvent extraction using n -hexane, benzene, and pyridine to determine the yields of hexane-soluble (HS), hexane-insoluble–benzene-soluble (HI–BS), benzene-insoluble–pyridine-soluble (BI–PS), and pyridine-insoluble (PI) fractions . After each PDU experiment, the scales deposited inside the pipes connecting the reactors and gas–liquid separator were recovered by the following procedure.…”
Section: Methodsmentioning
confidence: 99%
“…Extensive research on drying, pyrolysis, combustion, and liquefaction − of lignites has been conducted in the past decades. Lignite extraction and conversion under mild conditions (<400 °C and <15 MPa), including sequential extraction, thermal dissolution, oxidation, and catalytic hydro­conversion, also deserve attention.…”
Section: Introductionmentioning
confidence: 99%