Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Hamid Sepehrian"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract The objective behind developing the nanoporous alumino-borosilicate (AlBS) was to remove strontium ion (Sr2+) from liquid waste and subsequently stabilize it. The sorption capacity of the nanoporous AlBS was assessed in relation to various e
Externí odkaz:
https://doaj.org/article/7013a5980d3c454bb1ec4c69a6db860a
Autor:
Fazel Zahakifar, Maryam Dashtinejad, Hamid Sepehrian, Mohammad Samadfam, Javad Fasihi, Ali Yadollahi
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract Granular activated carbon has been modified by ammonium persulfate as a new adsorbent for Cr(VI) adsorption from aqueous solutions. The adsorbent was characterized by nitrogen adsorption–desorption isotherm data and infrared spectroscopy.
Externí odkaz:
https://doaj.org/article/d5e9bed1d68348f58614998efac6be3a
Autor:
Mahya Fayezi, Zahra Shiri-Yekta, Hamid Sepehrian, Mehran Heydari, Mohammad Rahghoshay, Samaneh Zolghadri
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-14 (2023)
Abstract In the present study, an Iranian natural zeolite (Sabzevar region) was evaluated as a natural adsorbent for the elimination and immobilization of strontium ions from an aqueous solution. For improving the adsorption efficiency of strontium i
Externí odkaz:
https://doaj.org/article/3db108c41fe24d05b489090c99a3a606
Autor:
Mohammad Hosseinpour Khanmiri, Ali Yadollahi, Mohammad Samadfam, Hamid Sepehrian, Mohammad Outokesh
Publikováno v:
Frontiers in Chemistry, Vol 12 (2024)
The immobilization of high-level nuclear waste (HLW) in glass waste matrices provides the key safety function of slowing down radionuclide emissions from an underground disposal site. This study examines the leaching behavior of two major elements, N
Externí odkaz:
https://doaj.org/article/85b1fd1621754c08b7e2e1ae492884fd
Publikováno v:
Journal of molecular modeling. 28(6)
Density functional theory (DFT) calculations were applied to study the ability of B
Autor:
Hamid Sepehrian, Reza Davarkhah, Ali Yadollahi, Armen Avanes, Ali Abbasi, Mohammad Ghannadi-Maragheh
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials. 30:369-378
The nanoporous alumino-borosilicate (Al-B-MCM-41) has been developed for the removal of Cesium (Cs) from liquid wastes and further processed for its stable immobilization. The prepared novel sorbent was characterized using Fourier transform infrared
Autor:
Mohamad Mahani, Parviz Ashtari, Masoud Arabieh, Hamid Sepehrian, Mohammad Samadfam, Javad Fasihi, M. Soltani Behrooz
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 316:9-16
Synergistic coupled transport of uranyl ion across a bulk liquid membrane of chloroform has been investigated using a dioxa-diazamacrocycle and oleic acid as carrier and synergistic agents, respectively. Quantitative transport of uranyl ion was achie
Publikováno v:
Materials Focus. 6:87-95
Publikováno v:
Journal of Advanced Physics. 6:10-17
Molecular dynamic simulation was used to investigate the ability of nanoporous graphene membrane in gas separation process. Three di-atomic gases (I2, N2 and O2) were considered, in which different pore sizes were modeled on graphene. The structure c
Publikováno v:
Energy and Environment Focus. 5:131-138