Process for hjydrogenation refining petroleum wax

The petroleum wax hydrofining process is one process in single reactor with two kinds of graded and filled catalyst. Under hydrofining condition, the petroleum wax is first contacted with Mo-Ni catalyst, the refined product is then mixed with cold hydrogen and the mixture is finally contacted with W...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SHIXIN WANG, PINGFEI YUAN, HUIQING LIU
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The petroleum wax hydrofining process is one process in single reactor with two kinds of graded and filled catalyst. Under hydrofining condition, the petroleum wax is first contacted with Mo-Ni catalyst, the refined product is then mixed with cold hydrogen and the mixture is finally contacted with W-Ni catalyst to obtain refined product with low S and N content and low fused ring arene content. The product has obviously improved stability. The said petroleum wax material includes paraffin and microcrystalline wax, and petroleum wax product of the present invention may be used in food product,medicine and cosmetics.