Modeling coal liquefaction: Decomposition of 4-(1-naphthylmethyl)bibenzyl catalyzed by carbon black

Conference · Mon Jan 01 00:00:00 EST 1990 · Preprints of Papers, American Chemical Society, Division of Fuel Chemistry; (USA)

OSTI ID:6763952

Farcasiu, M; Smith, C ^[1]

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1. Pittsburgh Energy Technology Center, PA (USA)

The early stages of coal liquefaction involve cleavage of methylene and ethylene bridges connecting aromatic rings. The authors modeled this process by the reaction of 4-(1-naphthylmethyl)bibenzyl (I) in the presence of a hydrogen donor (9,10-dihydrophenanthrene). The reactions were conducted over a range of temperatures (320-430{degree}C) and reaction times (30-90 min). They found that the bond between the methylene group and the naphthalene ring and the methylene to methylene bond of bibenzyl moiety are broken with equal probability. Addition of carbon black (BP 2000) as catalyst (2-10%) increases significantly the conversion of I. This particular carbon black is, a very active and selective catalyst for the cleavage of the naphthyl-to-methylene bond.

• DOE Contract Number: AC05-76OR00033
• OSTI ID: 6763952
• Report Number(s): CONF-900402-; CODEN: ACFPA
• Journal Information: Preprints of Papers, American Chemical Society, Division of Fuel Chemistry; (USA), Vol. 35:2; Conference: 199. national meeting of the American Chemical Society, Boston, MA (USA), 22-27 Apr 1990; ISSN 0569-3772
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
BIBENZYL
DECOMPOSITION
COAL LIQUEFACTION
AROMATICS
CARBON BLACK
CATALYSTS
DATA ANALYSIS
EXPERIMENTAL DATA
HIGH TEMPERATURE
MEASURING INSTRUMENTS
MEASURING METHODS
PROCEEDINGS
STRUCTURAL MODELS
CARBON
CHEMICAL REACTIONS
DATA
DOCUMENT TYPES
ELEMENTS
INFORMATION
LIQUEFACTION
NONMETALS
NUMERICAL DATA
ORGANIC COMPOUNDS
THERMOCHEMICAL PROCESSES
010405* - Coal
Lignite
& Peat- Hydrogenation & Liquefaction