Browsing by Subject "Ultrafiltration"
Now showing items 1-20 of 28
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A new method to obtain information about the pore size distribution in microporous polymeric membranes
(2008-03)
Article
Restricted access - publisher's policyTransport measurements of selected fluids through porous membranes provide information on precise statistical moments of the membrane pore-size distribution (PSD). It is assumed that membrane porosity, ~T,is distributed ... -
Bromide - UV interaction and effect on Reverse Osmosis membranes
(Universitat Politècnica de Catalunya, 2013-07)
Minor thesis
Restricted access - confidentiality agreement -
Ceramic macromembrane for tangento-axial micro- and ultrafiltration water systems
(2016-02-01)
Article
Open AccessAn innovative proposal of tangento-axial filtration based on the concept of macromembrane (large size) is presented in the context of micro- and ultrafiltration ceramic membranes. The macromembrane is made of Al2O3–TiO2 ... -
Characterisation of organic foulants on full-scale UF membranes during filtration, backwash and chemical cleaning episodes
(2017)
Article
Open AccessUnderstanding organic fouling on ultrafiltration (UF) membranes during water filtration and cleaning episodes has become one of the major factors driving UF technology forward. The aim of this study was to quantify and ... -
Comparison of polysulfone and ceramic membranes for the separation of phenol in micellar-enhanced ultrafiltration
(2002-02)
Article
Restricted access - publisher's policy -
Composition and reversibility of fouling on low-pressure membranes in the filtration of coagulated water: insights into organic fractions behaviour
(2016-11-01)
Article
Open AccessThe primary problem for the application of microfiltration (MF) and ultrafiltration (UF) membrane technology is membrane fouling. Such is the case that understanding membrane fouling has become one of the major factors ... -
Continuous metal recovery process using polymer enhanced ultrafiltration
(2007)
Article
Restricted access - publisher's policyThe separation of metals from aqueous streams by continuous polyrner enhanced ultrafiltration (PEUF) was modelled in order to understand, evaluate and optimise the feasibility of the process. The mathematical model ... -
Determination of equilibrium distribution constants of phenol between surfactant micelles and water using ultrafiltering centrifuge tubes
(Elsevier Science Publishers, New York, 1999-05)
Article
Restricted access - publisher's policy -
Effect of micro-coagulation by FeCl3 in organic fouling in ultrafiltration membranes: Study using fluorescence emission-excitation techniques and application water treatment plant of Sant Joan Despí
(Universitat Politècnica de Catalunya, 2015-06)
Bachelor thesis
Open AccessCoagulation is an essential treatment step in many drinking water treatment plants (DWTP) to remove small particles and certain dissolved natural organic matter (NOM) from water. The coagulation process typically includes ... -
Estudi, disseny i construcció d'una planta d'ultrafiltració amb osmosi inversa.
(Universitat Politècnica de Catalunya, 2018-06-21)
Bachelor thesis
Open AccessEl treball consistirà en la construcció d'una planta d'ultrafiltració i osmosi inversa (d'una mida d'uns 5 m², per ser transportable) amb l'objectiu de poder realitzar un primer anàlisi d'aigua, i així poder determinar si ... -
Hydrogen and oxygen production using wastewater effluent treated with ultra-filtration and membrane distillation (Greenlysis)
(2012)
Article
Open AccessCONCLUSIONS: * When MD technology is implemented for wastewater treatment it is important to consider that the presence of ammonia can have an important impact in the final water quality in terms of conductivity. * On-going ... -
Integration of Ultrafiltration and Reverse Osmosis on purification of brackish waters: optimization trials
(Universitat Politècnica de Catalunya, 2012-02)
Master thesis
Restricted access - author's decisionUltrafiltration (UF), due to its reliability, robustness and stable quality of the water produced , offers technical advantages over conventional pretreatments such as sand filtration coupled with coagulation/flocculation ... -
Micellar-Enhanced Ultrafiltration for phosphates removal
(Universitat Politècnica de Catalunya, 2013-07-25)
Minor thesis
Open AccessAnálisis, discusión y conclusiones del nuevo método de ultrafiltración con surfactantes (Micellar-Enhanced Ultrafiltration) para la eliminación de los fosfatos encontrados en el agua. -
Micro-coagulation effects on direct ultrafiltration of challenging raw river water
(2016-12-01)
Article
Open AccessBackground The feasibility and competitiveness of substituting the conventional pre-treatment of drinking water treatment plants (dioxichlorination, coagulation/flocculation, settling, sand filtration) by raw river water ... -
Nutrient recovery from wastewater by adsorption on Magnesium/Potassium-zeolites in adsorption-ultrafiltration hybrid systems
(Universitat Politècnica de Catalunya, 2016-01-12)
Bachelor thesis
Open AccessA zeolitic material synthesized from coal fly ash (Na-Ze) was modified to magnesium (Mg-Ze) and magnesium-potassium (Mg/K-Ze) forms for being used as a sorbent material to enhance simultaneous removal of ammonium and ... -
Phosphate recovery by synthetic zeolite and fly-ash: sorption characterization and performance assessment in hybrid sorption-ultrafiltration pilot plant
(Universitat Politècnica de Catalunya, 2015-09)
Master thesis (pre-Bologna period)
Open AccessPhosphorus is a limited global resource; current studies have to be focused mainly on its recovery rather than its disposal. Thereby, the operational lifespan of this resource would be extended and in turn the phosphorus ... -
Phosphate recovery using calcium zeolite in ultrafiltration pilot plant
(Universitat Politècnica de Catalunya, 2015-10)
Bachelor thesis
Open AccessOne of the most important ecological problems is the eutrophication, this process consist in the uncontrolled growing of algae and phytoplankton, which can destroy entire aquatic ecosystems. The reason of this process ... -
Removal of dissolved organic carbon and bromide by a hybrid MIEX-ultrafiltration system: Insight into the behaviour of organic fractions
(Elsevier, 2016)
Article
Open AccessDissolved organic carbon (DOC) and bromide (Br-) are principal precursors in the formation of halogenated disinfection by-products resulting from chlorination of drinking water. Their effective removal from water represents, ... -
Removal of radionuclides in drinking water by membrane treatment using ultrafiltration, reverse osmosis and electrodialysis reversal
(Elsevier, 2013-11)
Article
Restricted access - publisher's policyA pilot plant had been built to test the behaviour of ultra fi ltration (UF), reverse osmosis (RO), and electrodialysis reversal (EDR) in order to improve the quality of the water supplied to Barcelona met- ropolitan ... -
Reuse of textile wastewater after homogenization–decantation treatment coupled to PVDF ultrafiltration membranes
(2015-04-01)
Article
Open AccessThe textile industry is one of the largest consumers of water in the world and its wastewater is a serious problem when it is discharged without the proper treatment. In this work, wastewater generated by textile industry ...
