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Waste plastics: lignite mixtures co-liquefaction over Si/Al catalysts

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dc.contributor.author Gimouhopoulos, K en
dc.contributor.author Doulia, D en
dc.contributor.author Vlyssides, A en
dc.contributor.author Georgiou, D en
dc.date.accessioned 2014-03-01T01:15:23Z
dc.date.available 2014-03-01T01:15:23Z
dc.date.issued 1999 en
dc.identifier.issn 0734-242X en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/13467
dc.subject Bronsted en
dc.subject Lewis acidity en
dc.subject catalysts en
dc.subject coliquefaction en
dc.subject lignite en
dc.subject waste plastics en
dc.subject.classification Engineering, Environmental en
dc.subject.classification Environmental Sciences en
dc.title Waste plastics: lignite mixtures co-liquefaction over Si/Al catalysts en
heal.type journalArticle en
heal.identifier.primary 10.1177/0734242X9901700303 en
heal.identifier.secondary http://dx.doi.org/10.1177/0734242X9901700303 en
heal.language English en
heal.publicationDate 1999 en
heal.abstract The results of an investigation of the conversion of lignite and post-consumer polymers into liquid products are reported in this paper. At first, a series of silica-alumina acidic catalysts were prepared by sol-gel chemistry with different Si/Al compositions and the catalysts ratio of Bronsted to Lewis acid sites was determined. Then thermal and catalytic col-iquefactions were attempted on 1/1 mixtures of lignite and waste plastics, e.g., PS, PISO and PE. It was found that the catalysts prepared enhanced oil formation in all cases although lignite and polymeric materials demonstrated a variety of catalytic characteristics. Thermal and catalytic reactions of polystyrene (PS) and polyisoprene (PISO) showed that both polymers were liquefied easily at 420 degrees C while polyethylene (PE) did not interact promptly under the same conditions. The conversion of the solid materials correlated with the concentration of Bronsted acidity on the catalysts employed. en
heal.publisher ACADEMIC PRESS LTD en
heal.journalName WASTE MANAGEMENT & RESEARCH en
dc.identifier.doi 10.1177/0734242X9901700303 en
dc.identifier.isi ISI:000081427500003 en
dc.identifier.volume 17 en
dc.identifier.issue 3 en
dc.identifier.spage 181 en
dc.identifier.epage 185 en


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