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Vacuum Membrane Distillation is studied for the concentration of fruit juices up to 50°Brix. The fluxes of water and of the relevant aroma compounds are experimentally examined for a typical must, as ...
Desalination 149 (2002)

Ultrafiltration has been investigated for the concentration of diluted biopolymer solutions. Trials were realized with membranes of different molecular weight cut off (MWCO) and configuration modules.
Desalination 148 (2002)

Suspensions of a microparticulate boron adsorbent Dowex XUS can be effectively concentrated by microfiltration (MF) to relatively high concentrations of about 24 mass% of dry adsorbent. This is important for formation of a hybrid process combining adsorption or ion-exchange and MF. A tubula ...
Desalination 241 (2009)

... rates was successively examined. Under the appropriate operating conditions, it was shown that the used membrane can achieve the initial concentration step of the gelatin solutions up to 12 wt% with a protein yield as high as 0.98. In addition, continuous DF proved useful to reduce the sal ...
Desalination 144 (2002)

... of the samples were analyzed by Infrared Milk Analyzer Bently 150. Ion composition of the samples was determined by ICP-MS instrument. The concentrations were carried out at different values of the ratio of the volume of dialyzation water and the volume of permeate (a ). The degree o ...
Desalination 241 (2009)

... (UF) membranes. The aim of this study was to determine the permeate flux and the amino acid rejection as a function of increasing feed concentration and ionization state of the amino acids. So far, apart from a few limited studies, highly diluted solutions have been considered in th ...
Desalination 240 (2009)

The aim of this study was to examine the applicability of reverse osmosis (RO) for the concentration of blackcurrant juice by AFC-80 polyamide tubular membrane that has a salt rejection greater than 80%. The fresh juice had a total solubl ...
Desalination 241 (2009)

... determination of permeate flux and its variation in time parameters was adequate for the application of these types of techniques. The final concentration of BSA, with a much reduced amount of salts, was 3.9 times the initial concentration. There was not much adsorption phenomena and fouling o ...
Desalination 126 (1999)

A theoretical model was used for permeate flux decline prediction. Ultrafiltration experiments were performed varying TMP and feed concentration. The feed solution consisted of an aqueous solution of polyethylene glycol with a molecular weight of 35,000 Da. Monotubular Al2O3–TiO ...
Desalination 221 (2008)

... weight of PEG is increased from 200 to 600. A significant change also occurred in pure water permeation, solute separation and flux when concentration of additives is increased from 5 to 25 wt% in casting solution. The presence of the different PEG molecular weights affect the surfac ...
Desalination 207 (2007)

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