PLANT FOR RECOVERING DEGRADED HEAT TRANSFER OIL FROM A SOLAR THERMAL FACILITY AND ASSOCIATED RECOVERY METHOD

The invention can be used to improve the yield of degraded heat transfer oil (1) recovered from a solar thermal facility, comprising the successive separation of heavy components (4) (ortho-, meta- and para-terphenyl) and light components (7) (phenol and benzene). The plant comprises: an air-cooled...

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Bibliographische Detailangaben
Hauptverfasser: MARTIN SANCHEZ, MANUEL, TRIGUEROS GONZALEZ, MIGUEL, CAMPOS MARIN, ANTONIO, GUTIERREZ ORTIZ, FRANCISCO JAVIER, VILLANUEVA PERALES, ANGEL LUIS, OLLERO DE CASTRO, PEDRO
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:The invention can be used to improve the yield of degraded heat transfer oil (1) recovered from a solar thermal facility, comprising the successive separation of heavy components (4) (ortho-, meta- and para-terphenyl) and light components (7) (phenol and benzene). The plant comprises: an air-cooled cooler (2) which cools the degraded heat transfer oil (1) to obtain a cooled oil (12); a distillation column (3) which separates the heavy components (4) and a vapour (15) of light components (7) plus oil from the cooled heat transfer oil (12); and a rectifier (6) which separates the light components (7) and the regenerated oil (17) from the vapour (15). The method comprises the cooling of the degenerated heat transfer oil (1) in the air-cooled cooler (2), the separation of the heavy components (4) in the distillation column (3), and the separation of the light components (7) and the regenerated oil (17) in the rectifier (6).