Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Yasser Khawassek"'
Autor:
Mohammad M. Almutairi, Mohamed S. Atrees, Mohamed E. M. Ali, Mohamed E. Mahmoud, Ebraheim E. Ebraheim, Yasser Khawassek
Publikováno v:
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. 43:484-494
Although titanium dioxide (TiO2) is frequently used as photocatalyst, but its wide band gap decreases its catalytic activity in the visible light. To improve the visible light activity, Cobalt (Co)...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc98763c9e25bf3338b00cd021085efd
https://doi.org/10.1080/15567036.2019.1629130
https://doi.org/10.1080/15567036.2019.1629130
Autor:
Ebrahiem Ismail, Mohammad S. Mahmoud, Mohamed Semari, Yasser Khawassek, Mohamed S. Atrees, Mohamed E. M. Ali, Hamed Mira
The present study focuses on the synthesis, characterization, and investigation of a p-n heterojunction photocatalysis. Titanium dioxide (TiO2) can’t alone induce the photocatalytic water splitting due to its wide bandgap, which decreases its catal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8ce75ea05fe818b766cbb6691677525
https://doi.org/10.20944/preprints202002.0129.v1
https://doi.org/10.20944/preprints202002.0129.v1
Autor:
Hisham F. Aly, Ahmed M. Masoud, Mohamed H. Taha, Eric Guibal, Ahmed Hussein, Yasser Khawassek
Publikováno v:
Environmental Science and Pollution Research
Environmental Science and Pollution Research, Springer Verlag, 2020, 27, pp.31278-31288. ⟨10.1007/s11356-020-09342-7⟩
Environmental Science and Pollution Research, Springer Verlag, 2020, 27, pp.31278-31288. ⟨10.1007/s11356-020-09342-7⟩
International audience; Three commercial resins bearing sulfonic, amino phosphonic, or phosphonic/sulfonic reactive groups have been tested for the removal of iron and cadmium from phosphoric acid solutions. The sorption properties are compared for d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bdc9a0bfbd56cee43b306907310e214a
https://hal.mines-ales.fr/hal-02769170
https://hal.mines-ales.fr/hal-02769170
Autor:
Yasser Khawassek
Publikováno v:
Radiochemistry. 60:678-684
The central composite design (CCD) of experiments was used to study the leaching of uranium and iron from the mineralized Gabal Al-Aglab uranium ore sample using sulfuric acid solution. The leaching factors were sulfuric acid concentration, contact t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89823b4155db7b9a58898e6bf5831f28
https://doi.org/10.1134/s1066362218060188
https://doi.org/10.1134/s1066362218060188
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 315:493-502
The present work deals with the adsorption of uranium from a nitric acid waste solution using the cation exchange resin Amberjet 1200 H (AHR) . Batch experiments were performed in order to assess the performance of AHR in uranium adsorption. The infl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1be3a1e8ddae5e471b3c783277f51b2f
https://doi.org/10.1007/s10967-017-5692-1
https://doi.org/10.1007/s10967-017-5692-1
Autor:
G.M.Hussein, Mohamed F. Cheira, Mohamed A. Gado, Bahig M. Atia, Mahmoud A. El-Sheify, Yasser Khawassek
Publikováno v:
Journal of Environmental Chemical Engineering. 9:105726
One-pot synthesis of N2,N2,N6,N6-tetrakis(2-ethylhexyl)pyridine-2,6-dicarboxamide (EHPyCA ligand) was done by condensation of pyridine-2,6-dicarboxylic acid and di-(2-ethyl-hexyl) amine using polyphosphoric acid (PPA) as catalyst. The EHPyCA ligand w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aceaaf82a1dd2da17341a17b9feeafce
https://doi.org/10.1016/j.jece.2021.105726
https://doi.org/10.1016/j.jece.2021.105726
Autor:
Hani M. Hamed, Abdel Hakim H. T. Kandil, A. H. Ali, Abdel–Aziz Fahmy Waheed, Yasser Khawassek
Publikováno v:
Journal of Nuclear Materials. 495:27-32
Corrosion of zirconium in presence of LiOH was studied by cyclic potentiodynamic polarization technique. SEM was used to observe the visual appearance of oxide film after the procedure. The measurements were carried out at room temperature and open t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3161bd93c4e7eeb8321c3ca4b7678415
https://doi.org/10.1016/j.jnucmat.2017.07.065
https://doi.org/10.1016/j.jnucmat.2017.07.065
Autor:
Mohamed S. Atrees, Mohamed E. M. Ali, Mohammad M. Almutairi, Ebraheim E. Ebraheim, Mohamed E. Mahmoud, Yasser Khawassek
Publikováno v:
Egyptian Journal of Chemistry.
Nanocomposites of TiO2@Ni-doped or Co-doped graphene oxide (GO) have been suceesfully prepared and are employed for photocalytic water splitting. TEM images showed doted nanostructure and scattered-appearance of Co, Ni with and TiO2 nanoparticles on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c9746bb674b589adcd25a25f98cbd88
https://doi.org/10.21608/ejchem.2019.9722.1648
https://doi.org/10.21608/ejchem.2019.9722.1648
Publikováno v:
SN Applied Sciences. 1
The equilibrium and kinetic characteristics of rare earths adsorption process using the strong acid macro reticular resin Dowex 50X8 from El-Erediya chloride liqueurs have been determined. The adsorption parameters including pH, contact time, tempera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::813a07184fb7f68228c5d2d6a6163ac4
https://doi.org/10.1007/s42452-018-0051-6
https://doi.org/10.1007/s42452-018-0051-6
Publikováno v:
Journal of Radiation Research and Applied Sciences, Vol 8, Iss 4, Pp 583-589 (2015)
The study area of Gabal El Sela at Halaib environ is located at about 20 km west of Abu Ramad City, Egypt. An uraniferous ore material associated with REE was subjected to sulphuric acid leaching for the extraction of uranium mainly and REEs as a by-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::298bd94287e740b325a7d258edd7e406
http://www.sciencedirect.com/science/article/pii/S1687850715000886
http://www.sciencedirect.com/science/article/pii/S1687850715000886