Pervaporative desulfurization of gasoline : separation of thiophene/n-heptane mixture

• Autorzy: Rychlewska K. , Konieczny K. , Bodzek M.

Identyfikatory

DOI

10.1515/aep-2015-0013

Warianty tytułu

PL

Perwaporacyjne odsiarczanie benzyny : separacja mieszanin tiofen/n-heptan

• Języki publikacji: EN

Abstrakty

EN

This paper presents the recent advances in pervaporative reduction of sulfur content in gasoline. Methods of preliminary selection of membrane active layer material are presented. Interactions between gasoline components (typical hydrocarbon and sulfur species) and membranes are showed. Influence of pervaporation process parameters i.e. feed temperature, downstream pressure and feed flow rate on the separation efficiency is discussed. Investigations of the influence of sulfur concentration in fluid catalytic cracking (FCC) gasoline on membrane performance have been conducted. A series of PV tests was carried out to investigate the separation properties of the commercial composite membrane with an active layer made of poly(dimethylsiloxane) and to determine the efficiency of organic sulphur compound (thiophene) removal from model thiophene/n-heptane mixture depending on its concentration.

PL

W pracy zaprezentowano dotychczasowe osiągnięcia w perwaporacyjnym odsiarczaniu benzyny krakingowej. Przedstawiono kryteria wstępnego doboru materiału warstwy aktywnej membran. Omówiono ponadto wpływ typowych węglowodorów oraz związków siarkoorganicznych obecnych w benzynie krakingowej na selektywność i właściwości transportowe membran jak również wpływ parametrów procesowych (temperatury nadawy, ciśnienia po stronie permeatu oraz szybkości przepływu nadawy) na efektywność procesu perwaporacyjnego odsiarczania. W pracy przedstawiono możliwość zastosowania komercyjnych membran kompozytowych z warstwą aktywną wykonaną z poli(dimetylosiloksanu) (PDMS) w procesie perwaporacyjnego odsiarczania benzyny pochodzącej z fluidalnego krakingu katalitycznego (FCC). Określono wpływ stężenia organicznych związków siarki na efektywność ich usuwania z organicznych mieszanin tiofen/n-heptan metodą perwaporacji próżniowej.

Słowa kluczowe

EN

desulfurization; vacuum pervaporation; FCC gasoline; fluid catalytic cracking; polymeric membrane

PL

odsiarczanie; perwaporacja próżniowa; benzyna FCC; FCC; fluidalny kraking katalityczny; membrana polimerowa

• Wydawca: Institute of Environmental Engineering, Polish Academy of Sciences
• Czasopismo: Archives of Environmental Protection
• Rocznik: 2015
• Tom: Vol. 41, no. 2
• Strony: 3--11
• Opis fizyczny: Bibliogr. 44 poz., tab., wykr.

Twórcy

autor

Rychlewska K.

• Silesian University of Technology, Poland Institute of Water and Wastewater Engineering

autor

Konieczny K.

• Silesian University of Technology, Poland Institute of Water and Wastewater Engineering

autor

Bodzek M.

• Silesian University of Technology, Poland Institute of Water and Wastewater Engineering
• Institute of Environmental Engineering of the Polish Academy of Sciences, Poland

Bibliografia

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