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Process for producing light-weight oil from waste plastics containing phthalic polyester and/or polyvinyl chloride
Process for producing light-weight oil from waste plastics containing phthalic polyester and/or polyvinyl chloride
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机译:由含有邻苯二甲酸聚酯和/或聚氯乙烯的废塑料生产轻质油的方法
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摘要
Light-weight oil having a high octane number is produced from waste plastics containing phthalic polyester and/or polyvinyl chloride at a high yield without producing a phthalic sublimate or a carbonaceous residue by pyrolyzing the waste plastics in an atmosphere of steam or a steam/inert gas mixture. The resulting pyrolyzed oil and pyrolyzed gas may be catalytically cracked in an atmosphere of steam or a steam/inert gas mixture. Dechlorination may be performed before pyrolysis is carried out. Pyrolysis is preferably carried out in the presence of at least one of iron hydroxide, hydrous iron oxide and iron oxide.
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