Browsing by Author "Pablo Ribas, Joan de"
Now showing items 1-20 of 43
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Ag nanoparticles drop-casting modification of screen-printed electrodes for the simultaneous voltammetric determination of Cu(II) and Pb(II)
(MDPI AG, 2017-06-21)
Article
Open AccessA new silver nanoparticle modified screen-printed electrode was developed and applied to the simultaneous determination of Pb(II) and Cu(II). Two different types of silver nanoparticles with different shapes and sizes, Ag ... -
Biogenic hydroxypatite (Apatite II TM) dissolution kinetics and metal removal from acid mine drainage
(Elsevier, 2012-04-30)
Article
Restricted access - publisher's policy -
Broadening of neutral solute band in electroosmotic flow through submicron channel with longitudinal non-uniformity of zeta potential
(2010-02)
Article
Restricted access - publisher's policyThe present study is concerned with broadening of neutral solute band in electrically driven flow through a straight channel with longitudinally varying zeta potential. The present analysis takes into account effects that ... -
Changes of heavy metal and PCB contents in surficial sediments of the Barcelona harbour after the opening of a new entrance
(2009-11)
Article
Restricted access - publisher's policyThe Barcelona harbour is one of the biggest and most important in commercial and passenger traffic in the Mediterranean Sea. In 2003, construction works for the enlargement of the port were carried out with the opening ... -
Comparison of nanofiltration membranes' performance in flat sheet and spiral wound configurations: a scale-up study
(2012-08-10)
Article
Restricted access - publisher's policyNanofiltration (NF) membranes have been largely developed and commercialised over the past decade and are currently one of the most promising technologies for the separation of neutral and charged solutes in aqueous ... -
Comparison of the Stabilization/Solidification (S/S) of three galvanic wastes using cement, cement with soluble silicates or magnesium phosphate cements
(2008-08-26)
Conference lecture
Restricted access - publisher's policy -
Contribution of phases segregated from the UO2 matrix to the release of radionuclides from spent nuclear fuel and duration of the Instant Release Fraction (IRF)
(Elsevier, 2020-04-15)
Article
Open AccessDuring the dissolution of the spent nuclear fuel (SNF) some radionuclides are released to the solution simultaneously from different sources in the fuel. This is of particular importance to some radionuclides that contribute ... -
Curs 0: preparació per als estudis a l’EEBE
(Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2022-05)
Article
Open AccessAquest article presenta el desenvolupament i primers resultats d'ús d'un conjunt de cursos virtuals que pretenen proporcionar uns coneixements inicials bàsics de Matemàtiques, Física i !ímica als estudiants que accedeixen ... -
Determination of the equilibrium formation constants of two U(VI)-peroxide complexes at alkaline pH
(2011)
Article
Open AccessThe formation of uranyl-peroxide complexes was studied at alkaline media by using UV-Visible spectrophotometry and the STAR code. Two different complexes were found at a H2O2/U(VI) ratio lower than 2. A graphical method ... -
Dissolution experiments of commercial PWR (52 MWd/kgU) and BWR (53 MWd/kgU) spent nuclear fuel cladded segments in bicarbonate water under oxidizing conditions. Experimental determination of matrix and instant release fraction
(Elsevier, 2015-10-01)
Article
Open AccessThe denominated instant release fraction (IRF) is considered in performance assessment (PA) exercises to govern the dose that could arise from the repository. A conservative definition of IRF comprises the total inventory ... -
Dynamic leaching studies of 48 MWd/kgU UO2 commercial spent nuclear fuel under oxic conditions
(2013-03)
Article
Restricted access - publisher's policyThe leaching of a high-burn-up spent nuclear fuel (48 MWd/KgU) has been studied in a carbonate-containing solution and under oxic conditions using a Continuously Stirred Tank Flow-Through Reactor (CSTR). Two samples of the ... -
Effect of NaCl on the fabrication of the Egyptian blue pigment
(Elsevier Ltd, 2017-08-01)
Article
Restricted access - publisher's policyThe effect of the presence of NaCl on the synthesis of Egyptian blue pigment (cuprorivaite, CaCuSi4O10) was studied through experiments in which different amounts of NaCl were introduced in the initial mixture of reactants. ... -
Eina informàtica basada en el guiatge de l’alumne, per l’anivellament dels coneixements previs de química, de primer curs de la UPC de la titulació d’Enginyeria Industrial, mitjançant la plataforma de suport a la docència (Atenea v.4.0)
(Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2008-12-20)
Conference report
Open AccessDurant aquest projecte s’ha recopilat i estructurat un material didàctic adequat perquè l’alumnat, en especial el que no hagi cursat assignatures de química abans del seu ingrés a la universitat, pugui aconseguir uns ... -
Equilibri iònic i cinètica : problemes
(Edicions UPC, 1996)
Book
Restricted access to the UPC academic communityAquest llibre s'adreça principalment als alumnes que cursen les assignatures Química I, de la titulació d'Enginyeria Industrial, i Equilibris iònics, de la titulació d'Enginyeria Química, ambdues impartides a l'Escola ... -
Equilibri iònic i cinètica : problemes
(Edicions UPC, 2004)
Book
Restricted access to the UPC academic communityAquest llibre s'adreça principalment als alumnes que cursen les assignatures Química I, de la titulació d'Enginyeria Industrial, i Equilibris iònics, de la titulació d'Enginyeria Química, ambdues impartides a l'Escola ... -
Equilibri iònic i cinètica : problemes
(Edicions UPC, 2003)
Book
Restricted access to the UPC academic communityAquest llibre s'adreça principalment als alumnes que cursen les assignatures Química I, de la titulació d'Enginyeria Industrial, i Equilibris iònics, de la titulació d'Enginyeria Química, ambdues impartides a l'Escola ... -
Equilibris químics en dissolució
(Edicions UPC, 2005)
Book
Restricted access to the UPC academic communityAquest llibre s'adreça principalment als alumnes que cursen les assignatures Química I, de la titulació d'Enginyeria Industrial, i Equilibris iònics, de la titulació d'Enginyeria Química, ambdues impartides a l'Escola ... -
Immobilization of selenite onto natural siderite (FeCO3)
(2015)
Conference lecture
Open AccessThe sorption processes of metals and semimetals on siderite are being studied because of the potential adequacy of the mineral for removing contaminants from natural waters and because of its formation during the reduction ... -
In situ removal of arsenic from groundwater by using permeable reactive barriers of organic matter/limestone/zero-valent iron mixtures
(2010-08)
Article
Restricted access - publisher's policyAbstract In this study, two mixtures of municipal compost, limestone and, optionally, zero-valent iron were assessed in two column experiments on acid mine treatment. The effluent solution was systematically analysed ... -
Influence of the interpellet space to the Instant Release Fraction determination of a commercial UO2 Boiling Water Reactor Spent Nuclear Fuel
(Elsevier, 2018-02)
Article
Open AccessThe contact of the coolant with the fuel pin during irradiation produces a gradient of temperature in the fuel pellet that segregates the radionuclides (RN) depending on its volatility and reactivity. This segregation ...
