Zobrazeno 1 - 10
of 86
pro vyhledávání: '"Stavros G. Poulopoulos"'
Publikováno v:
Energies, Vol 17, Iss 18, p 4554 (2024)
Sewage sludge (SS) holds promise for environmental, agricultural, and energy applications. However, its direct use is limited due to contaminant concerns. Pyrolysis can turn SS into beneficial products like bio-oil and biochar. This study explores bi
Externí odkaz:
https://doaj.org/article/f08acd45db22468f8b395b939ebdf5af
Autor:
Saule Mergenbayeva, Zhanibek Abitayev, Milana Batyrbayeva, John Vakros, Dionissios Mantzavinos, Timur Sh. Atabaev, Stavros G. Poulopoulos
Publikováno v:
Catalysts, Vol 14, Iss 2, p 147 (2024)
Sulfamethoxazole (SMX) is a common antibiotic that is considered an emerging pollutant of water bodies, as it is toxic for various aquatic species. TiO2-based photocatalysis is a promising method for SMX degradation in water. In this work, TiO2/zeoli
Externí odkaz:
https://doaj.org/article/d1594a52d62b438395a796bfed431734
Autor:
Yerkanat N. Kanafin, Perizat Abdirova, Elizabeth Arkhangelsky, Dionysios D. Dionysiou, Stavros G. Poulopoulos
Publikováno v:
Chemical Engineering Journal Advances, Vol 14, Iss , Pp 100452- (2023)
In this study, UVA and goethite activated persulfate oxidation was applied to treat a synthetic (SLL) and a real landfill leachate (RLL) spiked with sulfamethoxazole (SMX). Initially, SLL was used to find the optimum landfill leachate (LL) treatment
Externí odkaz:
https://doaj.org/article/698ffb4af7f442cc8085ac1b71cb2a30
Autor:
Yerkanat N. Kanafin, Perizat Abdirova, Amirsultan Baltabek, Elizabeth Arkhangelsky, Stavros G. Poulopoulos
Publikováno v:
Chemical Engineering Transactions, Vol 96 (2022)
Conventional wastewater treatment plants are mainly based on biological treatment technologies that do not suit for the removal of some organic pollutants in cold climate regions. Therefore, the research on complementary or post-treatment technologie
Externí odkaz:
https://doaj.org/article/75459a075b574380891e2bf027dddd8a
Autor:
Spyridon Giannakopoulos, John Vakros, Zacharias Frontistis, Ioannis D. Manariotis, Danae Venieri, Stavros G. Poulopoulos, Dionissios Mantzavinos
Publikováno v:
Catalysts, Vol 13, Iss 2, p 233 (2023)
Pyrolysis of lemon stalks at 850 °C under a limited oxygen atmosphere yields a highly active and selective biochar for the activation of persulfate ion and the oxidation of sulfamethoxazole (SMX). The biochar mainly consists of C and O atoms, with C
Externí odkaz:
https://doaj.org/article/792a9355e5224331966eaaf471bac68c
UV and Zero-Valent Iron (ZVI) Activated Continuous Flow Persulfate Oxidation of Municipal Wastewater
Autor:
Yerkanat N. Kanafin, Perizat Abdirova, Dinara Kanafina, Elizabeth Arkhangelsky, George Z. Kyzas, Stavros G. Poulopoulos
Publikováno v:
Catalysts, Vol 13, Iss 1, p 25 (2022)
Currently, sulfate-radical-based advanced oxidation processes are promising candidates to become viable post-treatment processes for wastewater purification. In this work, a continuous flow UV light/persulfate (PS)/zero-valent iron (ZVI) system has b
Externí odkaz:
https://doaj.org/article/5ae9f777feb2446ca117114be6de9d48
Autor:
Saule Mergenbayeva, Timur Sh. Atabaev, John Vakros, Dionissios Mantzavinos, Stavros G. Poulopoulos
Publikováno v:
Catalysts, Vol 12, Iss 12, p 1523 (2022)
In this work, Ag2CO3 was prepared via a solution-based method and was further characterized by XRD, Raman spectroscopy, SEM/EDS analysis, and UV-VIS spectroscopy. SEM results revealed the formation of micro-sized particles with a rectangular shape. T
Externí odkaz:
https://doaj.org/article/2904eca3a64c4331a65922e92b651999
Autor:
Svetlana Em, Mussa Yedigenov, Laura Khamkhash, Shanazar Atabaev, Anara Molkenova, Stavros G. Poulopoulos, Timur Sh. Atabaev
Publikováno v:
Nanomaterials, Vol 12, Iss 16, p 2882 (2022)
ZnO nanorods decorated with metal nanoparticles have sparked considerable interest in recent years thanks to their suitability for a wide range of applications, such as photocatalysis, photovoltaics, antibacterial activity, and sensing devices. In th
Externí odkaz:
https://doaj.org/article/537a6ed74cc24e909d01c9d0633ae56e
Autor:
Saule Mergenbayeva, Alisher Kumarov, Timur Sh. Atabaev, Evroula Hapeshi, John Vakros, Dionissios Mantzavinos, Stavros G. Poulopoulos
Publikováno v:
Nanomaterials, Vol 12, Iss 14, p 2326 (2022)
Mono-doped (Mo-TiO2 and W-TiO2) and co-doped TiO2 (Co-Mo-TiO2, Co-W-TiO2, Cu-Mo-TiO2, Cu-W-TiO2, Zn-Mo-TiO2, and Zn-W-TiO2) catalysts were synthesized by simple impregnation methods and tested for the photocatalytic degradation of 4-tert-butylphenol
Externí odkaz:
https://doaj.org/article/0b09386d863d45909620519ab364dd68
Publikováno v:
Data in Brief, Vol 31, Iss , Pp 105787- (2020)
There is a worldwide effort of the research community to explore the medical, economic and sociologic impact of the COVID-19 pandemic. Many different disciplines try to find solutions and drive strategies to a great variety of different very crucial
Externí odkaz:
https://doaj.org/article/f414a8d80ccf41158927e0a3786eed71