Process for conversion of plastics into fuel

The present invention is related to a process for thermal cracking of a feedstock of plastic materials, in particular waste materials, comprising the steps of melting the feedstock, conveying melted feedstock in a pyrolysis chamber (2) where said melted feedstock is heated in a substantially oxygen...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Gray, James, Posmyk, Andrzej, Hall, Jonathan
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA SEPARATION TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention is related to a process for thermal cracking of a feedstock of plastic materials, in particular waste materials, comprising the steps of melting the feedstock, conveying melted feedstock in a pyrolysis chamber (2) where said melted feedstock is heated in a substantially oxygen purged environment, to convert it into pyrolysis gases, said process further comprising the steps of: ∙ driving pyrolysis gases from the pyrolysis chamber (2) into a tray reflux column (3) comprising a partial condenser (3a) at its upper extremity, ∙ returning pyrolysis gases condensed in the tray reflux column into the pyrolysis chamber (2), ∙ distilling pyrolysis gases (4) exiting the partial condenser of the reflux column, to provide one or more fuel products.