Methylation process

Details Methylation process Methylation process

1981-12-16

1983-05-10

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 46, 208134, 585467, 585468, C07C 352

Patent

active

043828515

ABSTRACT:
Methylation of coal-derived liquids and other polynuclear aromatic distillate feed stocks for improving distillate fuel quality is achieved by contacting the feed stock with hydrogen sulfide and carbon monoxide over conventional sulfur-resistant hydrotreating catalysts. The resultant product comprises methylated aromatic and hydroaromatic molecules of increased diesel quality. Further hydrogenating of the methylated hydrocarbons further increases the cetane number of the methylated product. A major product of the methylation reaction is elemental sulfur.

REFERENCES:
patent: 2409080 (1946-10-01), Thacher et al.
patent: 3718704 (1973-02-01), Chapman et al.
patent: 4086289 (1978-04-01), Seitzer

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