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Kinetic analysis for biodesulfurization of dibenzothiophene using R. rhodochrous adsorbed on silica

Identyfikatory
Warianty tytułu
PL
Analiza kinetyki biodesulfuryzacji dibenzotiofenu przy wykorzystaniu jako adsorbentu R. rhodochrous na krzemionce
Języki publikacji
EN
Abstrakty
EN
Experimental biodesulfurization (BDS) data for dibenzothiophene (DBT) (1.0-7.0 mM) with Rhodococcus rhodochorus immobilized by adsorption on silica, were adjusted with liquid-film kinetic model (Fisher coefficient, F = 592.74 and probability value p << 0.05 and r 2 = 0.97). Simulations predict the presence of considerable amounts of DBT surrounding the particles, which would be available for the cells adsorbed on the surface of silica. The greatest percentage removal (50 %) was obtained for adsorbed cell system over the suspended bacterial cells (30 %), showing that sulfur substrates are more bioavailable when the bacterial cells are adsorbed on silica. The liquid-film modelling with diffusional effects provides proper theoretical basis to explain the BDS performance obtained using adsorbed cells.
Rocznik
Strony
549--556
Opis fizyczny
Bibliogr. 36 poz., wykr.
Twórcy
autor
  • Biotechnology Engineering Laboratory, Faculty of Engineering and Technology, San Sebastián University, Lientur 1457, Concepción, 4030000, Chile, phone +56 41 240 74 27, fax +56 41 240 00 02
  • Institute of Chemistry, Faculty of Sciences, Pontifical Catholic University of Valparaíso, Avenida Universidad 330, Curauma, Valparaíso, 4030000, Chile, phone +56 32 227 49 30, fax +56 32 227 49 73
autor
  • Institute of Chemistry, Faculty of Sciences, Pontifical Catholic University of Valparaíso, Avenida Universidad 330, Curauma, Valparaíso, 4030000, Chile, phone +56 32 227 49 30, fax +56 32 227 49 73
autor
  • Institute of Chemistry, Faculty of Sciences, Pontifical Catholic University of Valparaíso, Avenida Universidad 330, Curauma, Valparaíso, 4030000, Chile, phone +56 32 227 49 30, fax +56 32 227 49 73
autor
  • Faculty of Pharmacy, University of Valparaíso, Avenida Gran Bretaña 1093, Valparaíso, 4030000, Chile, phone +56 32 250 84 39, fax +56 32 250 81 11
Bibliografia
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Uwagi
PL
Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-5a51996a-357d-42c5-adba-3fa48ff0da06
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