Influence of pH on permeability of ceramic membranes and selectivity in ultrafiltration of model BSA and myoglobin solutions | Zendy

U. Gabriel-Półrolniczak | Zendy; D. Szaniawska | Zendy; Konrad Ćwirko | Zendy

Open Access

Influence of pH on permeability of ceramic membranes and selectivity in ultrafiltration of model BSA and myoglobin solutions

Author(s) -

U. Gabriel-Półrolniczak,

D. Szaniawska,

Konrad Ćwirko

Publication year - 2014

Publication title -

environment protection engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.189

H-Index - 21

eISSN - 2450-260X

pISSN - 0324-8828

DOI - 10.37190/epe140411

Subject(s) - myoglobin , ultrafiltration (renal) , membrane , permeability (electromagnetism) , selectivity , chemistry , ceramic membrane , ceramic , chromatography , chemical engineering , biochemistry , organic chemistry , engineering , catalysis

The results of ultrafiltration tests carried out with model BSA and myoglobin solutions using ceramic 50 and 150 kDa membranes have been presented. Membrane permeability and selectivity were investigated in function of pH, transmembrane pressure (TMP) as well as molecular modelling data for proteins such as size, geometrical parameters and pH of minimal free energy of folding. The study has shown that the permeate flux Jv depends on TMP, whereas the protein rejection is mainly influenced by pH. The results demonstrated that molecular modelling data are not sufficient to explain the membrane behaviour and the membrane–protein charge interactions and fouling effects must be also considered to explain the rejection mechanisms.

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research