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Titolo:
Influence of physicochemical conditions on amino acid adsorption on inorganic membranes
Autore:
Doneva, T; Lafforgue, C; Chaufer, B; Rabiller, M;
Indirizzi:
Inst Natl Sci Appl, UA CNRS 544, Dept Genie Biochim & Alimentaire, F-31077Toulouse, France Inst Natl Sci Appl Toulouse France F-31077 aire, F-31077Toulouse, France Univ Rennes 1, Lab Proc Separat, UA 991, INRA, F-35042 Rennes, France UnivRennes 1 Rennes France F-35042 UA 991, INRA, F-35042 Rennes, France
Titolo Testata:
DESALINATION
fascicolo: 2, volume: 133, anno: 2001,
pagine: 123 - 133
SICI:
0011-9164(20010310)133:2<123:IOPCOA>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
BETA-CASEIN PEPTIDES; ULTRAFILTRATION MEMBRANES; NANOFILTRATION MEMBRANES; SELECTIVE SEPARATION; IONIC INTERACTIONS; PROTEIN; ENVIRONMENT; PARAMETERS; REJECTION; LAYER;
Keywords:
adsorption; ultrafiltration; amino acids; zeta potential;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
22
Recensione:
Indirizzi per estratti:
Indirizzo: Doneva, T Inst Natl Sci Appl, UA CNRS 544, Dept Genie Biochim & Alimentaire, Ave Rangueil, F-31077 Toulouse, France Inst Natl Sci Appl Ave Rangueil Toulouse France F-31077 France
Citazione:
T. Doneva et al., "Influence of physicochemical conditions on amino acid adsorption on inorganic membranes", DESALINATN, 133(2), 2001, pp. 123-133

Abstract

Inorganic Carbosep membranes with separation layer of zirconia powder wereused in the present study to separate a fermentation medium. The contribution of different components of this medium to the membrane fouling was investigated. Yeast extract (YE) was found to be the main reason for the membrane fouling during ultrafiltration (UF) of the fermentation medium. The electrostatic interactions: membrane/solutes were estimated measuring zeta (xi)potential of zirconia powders in contact with YE. Dynamic amino acid (AA) adsorption during ultrafiltration of yeast extract was assessed. Effect of pH, AA concentration, AA charge, and membrane charge modification on the retention and adsorption of free An existing in the YE were studied.

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Documento generato il 08/07/20 alle ore 07:53:35