Distillation profiles in ternary heterogeneous mixtures with distillation boundaries: staged columns

• Autorzy: Królikowski A. R.
• Języki publikacji: EN

Abstrakty

EN

Distillation boundaries originate from saddle azeotropes, dividing the composition space into distillation regions. In heterogeneous mixtures distilled in packed columns, distillation regions overlap. The common area of distillation regions is parametrically sensitive, and it determines the possibilities of crossing (at a finite reflux) the distillation boundaries defined for a total reflux or reboil ratio. This work is an extended research of the paper (Krolikowski et al., 2011) conducted to scrutinize whether the distillation regions overlapped in heteroazeotropic systems distilled in staged columns. Presented studies were performed by finding such composition points of the products, for which the rectifying profiles of staged columns were ended in different distillation regions. Calculations were executed for the heterogeneous mixture classified under Serafimov's topological class as 3.1-2: ethanol - benzene - water. Distillation regions for staged columns were found to overlap each other in the heterogeneous systems. As a result, their common part was parametrically sensitive.

Słowa kluczowe

EN

heterogeneous mixtures; distillation; distillation boundaries; distillation profiles; staged column

PL

mieszaniny heterogeniczne; granice destylacji; destylacja

• Wydawca: Komitet Inżynierii Chemicznej i Procesowej Polskiej Akademii Nauk
• Czasopismo: Chemical and Process Engineering
• Rocznik: 2012
• Tom: Vol. 33, nr 2
• Strony: 207--219
• Opis fizyczny: Bibliogr. 35 poz., rys.

Twórcy

autor

Królikowski A. R.

• Wroclaw University of Technology, Chemical Engineering Institute, ul. C.K. Norwida 4/6, 50-373 Wroclaw, Poland

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