{"title":"熔融盐热解法回收塑料废弃物的价值","authors":"Gerard E. Bertolini , Jacques Fontaine","doi":"10.1016/0361-3658(87)90064-6","DOIUrl":null,"url":null,"abstract":"<div><p>A low temperature (420°–480°C) of pyrolysis minimises the gaseous fraction, and allows liquid and solid fractions of high economic value to be obtained; these include light oils, aromatics, paraffin waxes and monomers.</p><p>Molten salts, with their excellent heat transfer properties, are interesting media for rapid and regular pyrolysis (problem of reaction kinetics); a eutectic has been selected. Chlorine-containing plastics are also dechlorinated almost completely (using basic salts, which are consumed in the process).</p><p>The results of laboratory tests on polyethylene, polypropylene, polystyrene and polyvinyl chloride are given.</p><p>Considering the conclusions of the experiments and the possible economic applications, further developments relating to an industrial stage are discussed.</p></div>","PeriodicalId":100327,"journal":{"name":"Conservation & Recycling","volume":"10 4","pages":"Pages 331-343"},"PeriodicalIF":0.0000,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0361-3658(87)90064-6","citationCount":"29","resultStr":"{\"title\":\"Value recovery from plastics waste by pyrolysis in molten salts\",\"authors\":\"Gerard E. Bertolini , Jacques Fontaine\",\"doi\":\"10.1016/0361-3658(87)90064-6\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>A low temperature (420°–480°C) of pyrolysis minimises the gaseous fraction, and allows liquid and solid fractions of high economic value to be obtained; these include light oils, aromatics, paraffin waxes and monomers.</p><p>Molten salts, with their excellent heat transfer properties, are interesting media for rapid and regular pyrolysis (problem of reaction kinetics); a eutectic has been selected. Chlorine-containing plastics are also dechlorinated almost completely (using basic salts, which are consumed in the process).</p><p>The results of laboratory tests on polyethylene, polypropylene, polystyrene and polyvinyl chloride are given.</p><p>Considering the conclusions of the experiments and the possible economic applications, further developments relating to an industrial stage are discussed.</p></div>\",\"PeriodicalId\":100327,\"journal\":{\"name\":\"Conservation & Recycling\",\"volume\":\"10 4\",\"pages\":\"Pages 331-343\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1987-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0361-3658(87)90064-6\",\"citationCount\":\"29\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Conservation & Recycling\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0361365887900646\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conservation & Recycling","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0361365887900646","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Value recovery from plastics waste by pyrolysis in molten salts
A low temperature (420°–480°C) of pyrolysis minimises the gaseous fraction, and allows liquid and solid fractions of high economic value to be obtained; these include light oils, aromatics, paraffin waxes and monomers.
Molten salts, with their excellent heat transfer properties, are interesting media for rapid and regular pyrolysis (problem of reaction kinetics); a eutectic has been selected. Chlorine-containing plastics are also dechlorinated almost completely (using basic salts, which are consumed in the process).
The results of laboratory tests on polyethylene, polypropylene, polystyrene and polyvinyl chloride are given.
Considering the conclusions of the experiments and the possible economic applications, further developments relating to an industrial stage are discussed.
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