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Coal hydrogenolysis in the presence of NaOH

✍ Scribed by Koji Ouchi; Shinya Hosokawa; Kazuhiro Maeda; Hironori Itoh

Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
385 KB
Volume
61
Category
Article
ISSN
0016-2361

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✦ Synopsis

High pressure hydrogenolysis of coal was carried out in the presence of sodium hydroxide at 350-500Β°C and initial pressures of 3, 10 and 13 MPa for 1560 min. Similar experiments were carried out under nitrogen. The yield of solid product decreased with increased reaction temperature because of the increased production of gases which are mainly hydrocarbons. Extraction of the solid products, formed under hydrogen, with pyridine and benzene shows higher yields than when nitrogen is used. This indicates that depolymerization and hydrogenation reactions were accelerated in the presence of sodium hydroxide under hydrogen.

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