Ageing under extreme ph conditions, modification and characterization of ultrafiltration and nanofiltration membranes
Abstract
Tesis con mención internacional.Tesis doctoral por el sistema de compendio de publicaciones
Full text
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R. Bernstein, E. Antón, M. Ulbricht, UV-photo graft functionalization of polyethersulfone membrane with strong polyelectrolyte hydrogel and its application for nanofiltration, ACS Applied Materials and Interfaces 4 (2012) 3438-3446. Impact factor: 5.008 R. Bernstein, E. Antón, M. Ulbricht, Tuning the nanofiltration performance of thin film strong polyelectrolyte hydrogel composite membranes by photo-grafting conditions, Journal of Membrane Science 427 (2013) 129-138. Impact factor: 4.093 E. Antón, J.I. Ignacio, J.R. Álvarez, A. Hernández, S. Luque, Fitting approach to liquidliquid displacement porosimetry based on the log-normal pore size distribution, Journal of Membrane Science. http://dx.doi.org/10.1016/j.memsci.2014.07.035. Accepted (2014). Impact factor: 4.093 Además, en el momento de depositar la misma se encuentran en revisión los siguientes artículos, cuyo contenido se ha incluido en la tesis en forma de capítulos: E. Antón, D. Vázquez, J.R. Álvarez, S. Luque, Ageing of nanofiltration polymeric membranes under the exposure to acidic and alkaline cleaning solutions, Separation and Purification Technology. Submitted (2014). E. Antón, J.R. Álvarez, L. Palacio, P. Prádanos, A. Hernández, A. Pihlajamäki, S. Luque, Ageing of polyethersulfone ultrafiltration membranes under long-term exposures to alkaline and acidic cleaning solutions. Part I: physicochemical changes, Journal of Membrane Science. Submitted (2014). E. Antón, J.R. Álvarez, S. Luque, Ageing of polyethersulfone ultrafiltration membranes under long-term exposures to alkaline and acidic cleaning solutions. Part II: membrane performance, Journal of Membrane Science. Submitted (2014). En Oviedo a 29 de julio de 2014 Director/es de la Tesis Doctoral Fdo.: Susana Luque Rodríguez Fdo.: José Ramón Álvarez Sáiz Fd F F F F o.: José Ramón Álvarez Sáiz
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embrane performance throughout the alkaline ageing ................... 79 5.1.3.2. Membrane performance throughout the acidic ageing ....................... 81 5.1.3.3. Effects of the ageing conditions on membrane MWCOs ..................... 82 5.1.3.4. Effects of the ageing conditions on membrane surface composition .. 85
,9 5.1.3.5. Effects of the ageing conditions on membrane structure ................... 86 5.1.3.6. Effects of the ageing conditions on membrane topography ............... 88 5.1.3.7. Effects of the ageing conditions on membrane hydrophobicity .......... 90 5.1.3.8. Discussion........................................................................................... 90 (IIHFWVRIDJHLQJRQ.RFKDQG*(2VPRQLFVPHPEUDQHV 5.1.4.1. Membrane performance throughout the alkaline ageing ................... 92 5.1.4.2. Membrane performance throughout the acidic ageing ...................... 92 5.1.4.3. Effects of the ageing conditions on membrane MWCOs .................... 94 5.1.4.4. Effects of the ageing conditions on membrane surface composition ............................................................................ 95 5.1.4.5. Effects of the ageing conditions on membrane structure ................... 97 5.1.4.6. Effects of the ageing conditions on membrane topography ............... 98 5.1.4.7. Effects of the ageing conditions on membrane hydrophobicity ........ 100 5.1.4.8. Discussion......................................................................................... 103 (IIHFWRIWHPSHUDWXUHRQN'D3(6PHPEUDQHDJHLQJ $JHLQJRI1)PHPEUDQHVXQGHUDFLGLFDQGDONDOLQHFOHDQLQJVROXWLRQV $EVWUDFW $JHLQJRIWKH1)PHPEUDQH $JHLQJRIWKH1)PHPEUDQH $JHLQJRIWKH1)PHPEUDQHLQFURVVIORZPRGH )LWWLQJDSSURDFKWRFKDUDFWHUL]H8)PHPEUDQHVWKURXJK//'3 )XQFWLRQDOL]DWLRQRI8)PHPEUDQHVZLWKVWURQJSRO\HOHFWURO\WH K\GURJHOVIRU1)DSSOLFDWLRQVZLWKDORZIRXOLQJSURQH &RQFOXVLRQV 0HPEUDQHDJHLQJ 0HPEUDQHFKDUDFWHUL]DWLRQ 0HPEUDQHPRGLILFDWLRQ &RQFOXVLRQHV
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