FRACTIONATION EQUIPMENT USING SEPARATED MAIN COLUMN IN THERMALLY COUPLED DISTILLATION SYSTEM

Provided is a continuous distillation apparatus using a main tower separated into upper and lower main towers in a thermally coupled distillation system, which shows increased operatability as compared to a conventional thermally coupled distillation system, and simplifies a distillation system to r...

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Bibliographische Detailangaben
Hauptverfasser:	JOUNG, OK JIN, KIM, YOUNG HAN
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES PEAT PETROLEUM, GAS OR COKE INDUSTRIES 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 TECHNICAL GASES CONTAINING CARBON MONOXIDE
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Beschreibung
Zusammenfassung:	Provided is a continuous distillation apparatus using a main tower separated into upper and lower main towers in a thermally coupled distillation system, which shows increased operatability as compared to a conventional thermally coupled distillation system, and simplifies a distillation system to reduce the cost. The continuous distillation apparatus comprises a pretreatment tower, a main tower, a condenser installed at the upper part of the main tower and a reboiler disposed at the lower part of the main tower. In the apparatus, the main tower includes an upper main tower(2a), and a lower main tower(2b), and the pretreatment tower(1), upper main tower(2a) and lower main tower(2b) allow bi-directional mass transfer among them, and the upper main tower(2a) and the lower main tower(2b) also allow bi-directional mass transfer between them.