✦ LIBER ✦

Thermal dissociation of tetralin between 300 and 450 °C

✍ Scribed by Robert J. Hooper; Hendrik A.J. Battaerd; David G. Evans

Publisher: Elsevier Science
Year: 1979
Tongue: English
Weight: 768 KB
Volume: 58
Category: Article
ISSN: 0016-2361
DOI: 10.1016/0016-2361(79)90237-0

No coin nor oath required. For personal study only.

✦ Synopsis

Most studies of the hydrogenation of coal in hydrogen-donor solvents involve the reaction of hydrogen with coal slurried in tetralin, with or without catalysts. Reaction schemes proposed usually ignore the possibility of the contribution of products of the thermal breakdown of tetrahn itself. In the work presented below tetralin was heated for various periods at temperatures between 300 and 450°C without hydrogen or coal, and the products were analysed by capillary chromatography. The main products formed were naphthalene and the tetralin isomer l-methyl indan. Tetralin did not disproportionate to naphthalene and decalin, although this has been suggested in the literature as a mechanism for the formation of the naphthalene usually observed. Naphthalene was produced, at temperatures as low as 350 to 4OO"C, by dehydrogenation of the saturated ring. This ring also rearranged to give l-methyl indan, and at higher temperatures broke open to yield alkyl benzenes. This cracking of the saturated ring was found to enhance the naphthalene formation.

📜 SIMILAR VOLUMES

Pyrolysis of vinylacetylene between 300

Pyrolysis of vinylacetylene between 300 and 450°C

✍ Richard Lundgard; Julian Heicklen 📂 Article 📅 1984 🏛 John Wiley and Sons 🌐 English ⚖ 1014 KB

Vinylacetylene was pyrolyzed at 300-450°C in a packed and an unpacked static reactor with a pinhole bleed to a quadrupole mass spectrometer. The reactant and C,H, products were monitored continuously during a reaction by mass spectrometry. In some runs, the products were also analyzed by gas chromat

Relation between electrical resistivity

Relation between electrical resistivity and thermal conductivity of reactor grade graphite irradiated with neutrons at 300 °C–400 °C

✍ H. Matsuo 📂 Article 📅 1972 🏛 Elsevier Science 🌐 English ⚖ 220 KB

The kinetics of oxidation of uranium bet

The kinetics of oxidation of uranium between 300 and 625° C

✍ L. Baker Jr.; J.D. Bingle 📂 Article 📅 1966 🏛 Elsevier Science 🌐 English ⚖ 1011 KB

The phase transformations and thermal ex

The phase transformations and thermal expansion of the solid electrolyte Cu3BiS3 between 25 and 300°C

✍ Emil Makovicky 📂 Article 📅 1983 🏛 Elsevier Science 🌐 English ⚖ 569 KB

Thermal conductivity of several fibre-re

Thermal conductivity of several fibre-reinforced composites between 2 K and 300 K

✍ E.I. Augsburger; W. Dietsche; H. Kinder; J. Becker 📂 Article 📅 1980 🏛 Elsevier Science 🌐 English ⚖ 165 KB

Pyrolysis of 2-butyne/vinylacetylene mix

Pyrolysis of 2-butyne/vinylacetylene mixtures between 350 and 450°C

✍ Charles Harper; Julian Heicklen 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 523 KB

Vinylacetylene and 2-butyne mixtures were pyrolyzed a t 350-450°C in the absence and presence of 0, and NO. The major product of the reaction is a polymer, but o-xylene is also produced and was studied as the species of interest. The C,H,,i formation rate is first-order in C,H, and C,H,. The rate co