Zobrazeno 1 - 10
of 42
pro vyhledávání: '"George V, Theodorakopoulos"'
Autor:
George V. Theodorakopoulos, Martha Pylarinou, Elias Sakellis, Fotios K. Katsaros, Vlassis Likodimos, George Em. Romanos
Publikováno v:
Membranes, Vol 14, Iss 5, p 112 (2024)
This study highlights the effectiveness of photocatalytically modified ceramic ultrafiltration (UF) membranes in alleviating two major drawbacks of membrane filtration technologies. These are the generation of a highly concentrated retentate effluent
Externí odkaz:
https://doaj.org/article/ffc427f56d50460fb7e1a5e943940b6c
Autor:
George V. Theodorakopoulos, Dionysios S. Karousos, Charitomeni M. Veziri, Evangelos P. Kouvelos, Andreas A. Sapalidis, Evangelos P. Favvas
Publikováno v:
Journal of Membrane Science Letters, Vol 3, Iss 2, Pp 100057- (2023)
In this work, the successful fabrication of polymeric hollow fiber (HF) and flat sheet (FS) membranes was examined by employing γ-butyrolactone (GBL)-a green and environmentally friendly solvent- for the polymer's dissolution following the principle
Externí odkaz:
https://doaj.org/article/544ac84fdbac477fbef6df525737f637
Autor:
Evdokia Galata, Charitomeni M. Veziri, George V. Theodorakopoulos, George Em. Romanos, Evangelia A. Pavlatou
Publikováno v:
Membranes, Vol 13, Iss 7, p 627 (2023)
The adhesion enhancement of a graphene oxide (GO) layer on porous ceramic substrates is a crucial step towards developing a high-performance membrane for many applications. In this work, we have achieved the chemical anchoring of GO layers on custom-
Externí odkaz:
https://doaj.org/article/817e6d7aa96e4410ba7afcf15f99a572
Autor:
Michael Arkas, Konstantinos Giannakopoulos, Evangelos P. Favvas, Sergios Papageorgiou, George V. Theodorakopoulos, Artemis Giannoulatou, Michail Vardavoulias, Dimitrios A. Giannakoudakis, Konstantinos S. Triantafyllidis, Efthalia Georgiou, Ioannis Pashalidis
Publikováno v:
Nanomaterials, Vol 13, Iss 11, p 1794 (2023)
Two different silica conformations (xerogels and nanoparticles), both formed by the mediation of dendritic poly (ethylene imine), were tested at low pHs for problematic uranyl cation sorption. The effect of crucial factors, i.e., temperature, electro
Externí odkaz:
https://doaj.org/article/79dd274809de46d9a1bf3b8b8f2e0f83
Autor:
Athanasios N. Vasileiou, George V. Theodorakopoulos, Dionysios S. Karousos, Mirtat Bouroushian, Andreas A. Sapalidis, Evangelos P. Favvas
Publikováno v:
Membranes, Vol 13, Iss 5, p 470 (2023)
In the present work, Pebax-1657, a commercial multiblock copolymer (poly(ether-block-amide)), consisting of 40% rigid amide (PA6) groups and 60% flexible ether (PEO) linkages, was selected as the base polymer for preparing dense flat sheet mixed matr
Externí odkaz:
https://doaj.org/article/8285a90389974de3811dbc4bec1460b4
Autor:
George V. Theodorakopoulos, Michalis K. Arfanis, José Antonio Sánchez Pérez, Ana Agüera, Flor Ximena Cadena Aponte, Emilia Markellou, George Em. Romanos, Polycarpos Falaras
Publikováno v:
Membranes, Vol 13, Iss 2, p 202 (2023)
Nowadays, the increased agro-industrial activities and the inability of traditional wastewater treatment plants (WWTPs) to eliminate recalcitrant organic contaminants are raising a potential worldwide risk for the environment. Among the various advan
Externí odkaz:
https://doaj.org/article/4a9368ca8d214d8b9e8980feaeb324c5
Autor:
Evdokia Galata, Charitomeni M. Veziri, George V. Theodorakopoulos, George Em. Romanos, Evangelia A. Pavlatou
Publikováno v:
Membranes, Vol 12, Iss 12, p 1181 (2022)
Graphene oxide (GO) oligo-layered laminates were self-assembled on porous ceramic substrates via their simple dip-coating into aqueous GO dispersions. To augment the stability of the developed composite GO/ceramic membranes and control the morphology
Externí odkaz:
https://doaj.org/article/5c7591061bd4450f998da229a7ff5dfd
Autor:
Pavlatou, Evdokia Galata, Charitomeni M. Veziri, George V. Theodorakopoulos, George Em. Romanos, Evangelia A.
Publikováno v:
Membranes; Volume 13; Issue 7; Pages: 627
The adhesion enhancement of a graphene oxide (GO) layer on porous ceramic substrates is a crucial step towards developing a high-performance membrane for many applications. In this work, we have achieved the chemical anchoring of GO layers on custom-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::69c186c782a30e65ad171a2fcb9d1470
Autor:
Pashalidis, Michael Arkas, Konstantinos Giannakopoulos, Evangelos P. Favvas, Sergios Papageorgiou, George V. Theodorakopoulos, Artemis Giannoulatou, Michail Vardavoulias, Dimitrios A. Giannakoudakis, Konstantinos S. Triantafyllidis, Efthalia Georgiou, Ioannis
Publikováno v:
Nanomaterials; Volume 13; Issue 11; Pages: 1794
Two different silica conformations (xerogels and nanoparticles), both formed by the mediation of dendritic poly (ethylene imine), were tested at low pHs for problematic uranyl cation sorption. The effect of crucial factors, i.e., temperature, electro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::a9a93b9fe1e83580abc491ee8a6abea7
Autor:
Tobias Esser, Tobias Wolf, Tim Schubert, Jan Benra, Stefan Forero, George Maistros, Stéphan Barbe, George V. Theodorakopoulos, Dionysios S. Karousos, Andreas A. Sapalidis, Evangelos P. Favvas
Publikováno v:
Nanomaterials, Vol 11, Iss 2, p 280 (2021)
The main scope of this work is to develop nano-carbon-based mixed matrix cellulose acetate membranes (MMMs) for the potential use in both gas and liquid separation processes. For this purpose, a variety of mixed matrix membranes, consisting of cellul
Externí odkaz:
https://doaj.org/article/607e31b4ad01481b914db7897d1c9c92