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Wyszukujesz frazę "membrane transport" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Ceramic membrane fouling in ultrafiltration process of chicken egg white aqueous solution
Autorzy:
Borysiak, M.
Gabruś, E.
Powiązania:
https://bibliotekanauki.pl/articles/185007.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ultrafiltration
ceramic membrane
chicken egg white
fouling
membrane transport resistance
ultrafiltracja
membrana ceramiczna
Opis:
This paper presents an experimental study on chicken egg white solution ultrafiltration, where membrane fouling has been the main point of concern. Separation process has been performed with a 150 kDa tubular ceramic TiO2/Al2O3 membrane. The operating parameters have been set as follows: transmembrane pressure 105–310 kPa, cross-flow velocity 2.73–4.55 m/s, pH 5 and constant temperature of 293 K. Resistance-in-series model has been used to calculate total resistance and its components. The experimental data have been described with four pore blocking models (complete blocking, intermediate blocking, standard blocking and cake filtration). The results obtained show that the dominant fouling mechanism is represented by cake filtration model.
Źródło:
Chemical and Process Engineering; 2018, 39, 3; 295--308
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of technical and economic parameters of an ionic transport membrane air separation unit working in a supercritical power plant
Autorzy:
Kotowicz, J.
Michalski, S.
Balicki, A.
Powiązania:
https://bibliotekanauki.pl/articles/185699.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
four-end type ionic transport membrane module
air separation
supercritical power plant
separacja powietrza
elektrownia nadkrytyczna
Opis:
In this paper an air separation unit was analyzed. The unit consisted of: an ionic transport membrane contained in a four-end type module, an air compressor, an expander fed by gas that remains after oxygen separation and heat exchangers which heat the air and recirculated flue gas to the membrane operating temperature (850 °C). The air separation unit works in a power plant with electrical power equal to 600 MW. This power plant additionally consists of: an oxy-type pulverized-fuel boiler, a steam turbine unit and a carbon dioxide capture unit. Life steam parameters are 30 MPa/650 °C and reheated steam parameters are 6 MPa/670 °C. The listed units were analyzed. For constant electrical power of the power plant technical parameters of the air separation unit for two oxygen recovery rate (65% and 95%) were determined. One of such parameters is ionic membrane surface area. In this paper the formulated equation is presented. The remaining technical parameters of the air separation unit are, among others: heat exchange surface area, power of the air compressor, power of the expander and auxiliary power. Using the listed quantities, the economic parameters, such as costs of air separation unit and of individual components were determined. These quantities allowed to determine investment costs of construction of the air separation unit. In addition, they were compared with investment costs for the entire oxy-type power plant.
Źródło:
Chemical and Process Engineering; 2016, 37, 3; 359-371
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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