RBONS FROM COAL OIL FRACTIONS

Oil produced from coal (e.g. by catalytic hydrogenation or extraction is mixed with a porous inorganic carrier (e.g. aluminium oxide or silica gel) in a weight ratio of from 3:1 to 2:5, eluted with a non-polar hydrocarbon (e.g. n-hexane) to separate a fraction of low nitrogen content and then eluted...

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Bibliographische Detailangaben
Hauptverfasser: WOLFGANG LUCKE, HANS WERNER KLEFFNER, JURGEN STADELHOFER
Format: Patent
Sprache:eng
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Zusammenfassung:Oil produced from coal (e.g. by catalytic hydrogenation or extraction is mixed with a porous inorganic carrier (e.g. aluminium oxide or silica gel) in a weight ratio of from 3:1 to 2:5, eluted with a non-polar hydrocarbon (e.g. n-hexane) to separate a fraction of low nitrogen content and then eluted with an aromatic compound (e.g. toluene and/or pyridine) to separate a fraction of high nitrogen content. The oil can be diluted with chloroform prior to the separation. The carrier is regenerated by combustion.