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Prace Naukowe Instytutu Technologii Organicznej i Tworzyw Sztucznych Politechniki Wrocławskiej. Konferencje
PL Wyjściowe i modyfikowane ultrafiltracyjne membrany z poliamidu testowano w procesie filtracji pohodowlanej brzeczki mikrobiologicznej, mieszaniny białek i roztworów policukrów. Stwiedzono zauważalną poprawę właściwości eksploatacyjnych przygotowanych membran kompozytowych.
EN Commercial and chemically modified polyamide memranes have been tested in ultrafiltration of multicomponent mixtures: microbiological broths, polypeptide mixtures and technological polysaccharide solutions. Improvement of transport characteristics and simplification of regeneration procedure for mem[...]
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Oceanologia
2003 No. 45 (4) 693-704
EN The content of low molecular weight LMW (<1000 Da) dissolved organic substances was determined by ultrafiltration (concentration factor of 2) in different water samples collected in the Gulf of Gdańsk. The proportion of this fraction (based on organic carbon concentration) ranged from 24 to 57%. The[...]
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Acta Chromatographica
EN A simple isocratic HPLC-UV assay for measurement of total and free melphalan concentrations in human plasma is described. Samples were prepared by methanol precipitation (total melphalan assay) and ultrafiltration (free melphalan assay). On a 25 cm × 4.6 mm C column with 0.016 M mixed soldium phosp[...]
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Przemysł Chemiczny
2006 T. 85, nr 8-9 1339-1341
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Environment Protection Engineering
EN The oil-in-water emulsions as industrial wastewaters are produced in a large amount in the metal working, food producing and other industrial branches. Separation of oil from water, both being the phases of emulsion, is economically realizable by membrane techniques. There are so many membrane opera[...]
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Environment Protection Engineering
EN The static sorption tests were carried out in order to evaluate the proneness of the ultrafiltration membranes to fouling by organic dyes of various molecular weights. Five dyes of anionic nature, i.e. methyl orange (MO), indigo carmine (IC), amido black (AB), titan yellow (TY) and direct black (DB)[...]
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Journal of Ecological Engineering
2017 Vol. 18, nr 4 130--136
EN The paper has determined the suitability of membrane processes (UF ultrafiltration, UF, and nanofiltration, NF) for the purification of waste streams, so-called backwash water, obtained from washing filtration beds in a swimming pool water system. The backwash water samples were taken from the circu[...]
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Czasopismo Techniczne. Mechanika
PL Problem utylizacji zużytych olejów i emulsji wodno-olejowych ma wielkie znaczenie szczególnie w przemyśle maszynowym. Ilość tych emulsji osiąga w Polsce 100 000 ton/rok. Autorzy przeprowadzili badania nad rozdzielaniem zużytych emulsji wodno-olejowych przy pomocy ultrafiltracji. W wyniku tych poszuk[...]
EN The problem of utilization of used oils and oil-in-water emulsions, particularly from machining process, is of great importance. The qantity of these emulsions in Poland reaches 100 000 tons/year. The authors carried out the investigations on separation of used oil-in-water emulsions in ultrafiltrat[...]
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Polish Journal of Chemical Technology
EN A biotechnological synthesis generated a fermentation broth containing the dissociated forms of organic compounds and residual mineral salts. An effective method of selective removal of the ionic species and organic compounds from solutions comprises nanofiltration and reverse osmosis. Ultrafiltrati[...]
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Biocybernetics and Biomedical Engineering
PL W artykule przedstawiono wyniki badań dotyczące bioczujnika glukozy. Bioczujnik badano pod kątem możliwości jego zastosowania do monitorowania "in vivo" glukozy podczas próbkowania metodą ultrafiltracji przy submikrolitrowych przepływach. W celu wyznaczenia parametrów czujnika, połączono go z układe[...]
EN A biosensor was tested for its applicability for the in vivo monitoring of glucose and sampling by ultrafiltration at submicroliter flow rate. The biosensor was integrated in a Flow Injection Analysis system and the performance characteristics of the biosensor were determined. In addition, the first[...]
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Environment Protection Engineering
EN In membrane treatment of wastewater containing proteins, humic acid influences the rate and extent of fouling. Cations may increase the tendency of foulants to precipitate due to the changes in intermolecular electrostatic interactions. In this paper, we investigated the effect of cations, including[...]
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Journal of Ecological Engineering
EN The article presents the possibilities of employing an integrated flocculation/ultrafiltration system in the treatment of washings generated upon the rinsing of filter beds in pool water installations. Single ultrafiltration process was used as a comparator. Flocculation was carried out using commer[...]
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Journal of Ecological Engineering
EN New priorities for the environment have resulted in a reassessment of modern technology for treatment of urban wastewater. Urban wastewater treatment mainly involves the elimination or reduction of anthropogenic organic micropollutants in the aquatic environment. In this paper, the effectiveness of [...]
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Postępy Techniki Przetwórstwa Spożywczego
2010 nr 1 9-11
PL W artykule przedstawiono możliwości redukcji zawartości chlorków w ściekach przemysłu rybnego, poprzez regeneracje zużytych solanek z wykorzystaniem ultrafiltracji. Przedstawiono wyniki badań mikrobiologicznych potwierdzających skuteczność opisanej metody oczyszczania solanek
EN The paper presents possibility of reduction of chlorides in liquid fish processing wastes by way of ultrafiltration. The results of microbiological tests of ultrafiltration effectiveness are presented.
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Polish Journal of Chemical Technology
EN Ultrafiltration (UF) is one of the membrane processes which is mostly used in the dairy industry for the separation and concentration of whey components or fermentation broth. Fouling of UF membranes in the food industry is primarily due to a deposition of microorganisms, proteins, fats and minerals[...]
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Polish Journal of Chemical Technology
EN Two types of composite imprinted membranes, i.e., composite membrane comprised of D-Phe imprinted beads and D-Phe imprinted membrane or DCM and composite membrane comprised of L-Phe imprinted beads and L-Phe imprinted membranes or LCM, were synthesized by phase inversion technique after a uniform di[...]
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Archives of Environmental Protection
EN To improve dye retention, there is a concurrent interest in the development and optimization of an alternative and promising method for the dye recovery in aqueous solutions. In this regard, considerable attention was paid to the polyoxometalates (POMs) assisted ultrafiltration (POMAUF). The aim of [...]
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Polish Journal of Chemical Technology
2015 Vol. 17, nr 1 134--137
EN Ultrafiltration of diffusion juice is a method that can reduce environmental pollution during the production of sugar. A by-product (concentrate) of ultrafiltration contains a large amount of sucrose, but due to its properties, it is difficult to manage. The aim of this study was to determine the ef[...]
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Archives of Environmental Protection
EN The paper presents the results of studies on the changes in the PAHs concentration during pre-filtration and ultrafiltration (UF) processes. In the study, biologically treated wastewater (after denitrification and nitrification processes), discharged from the biological treatment plant and used in c[...]
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Technologia Wody
PL W artykule scharakteryzowano dwa procesy membranowe: nanofiltrację i ultrafiltrację oraz trzy grupy zjawisk: fouling, scaling, biofouling wywołane poprzez zanieczyszczenia przepływające przez membranę. Ponadto opisano wybrane zastosowania membran nanofiltracyjnych i ultrafiltracyjnych w oczyszczaniu[...]
EN This paper describes two membrane processes: nanofiltration and ultrafiltration, and three groups of phenomena: fouling, scaling, biofouling caused by pollution flowing through the membrane. It deals also with some applications of nanofiltration and ultrafiltration membranes in purification of water[...]
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