Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Fazel Zahakifar"'
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:
Fazel Zahakifar, Fereshte Khanramaki
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract This article investigated the kinetic studies of thorium adsorption from an aqueous solution with graphene oxide functionalized with aminomethyl phosphonic acid (AMPA) as an adsorbent. First, the AMPA-GO adsorbent was characterized using TEM
Externí odkaz:
https://doaj.org/article/25ac47eefd5248709e78c5492e449bd8
Autor:
Farzad Vaziri Alamdarlo, Ghahraman Solookinejad, Fazel Zahakifar, Masoud Rezvani Jalal, Masoud Jabbari
Publikováno v:
آب و فاضلاب, Vol 32, Iss 4, Pp 108-121 (2021)
One of the most important environmental challenges in the world is environmental pollution with toxic and dangerous heavy metals, which causes various environmental effects. Lead is a heavy metal that can be removed in a variety of methods. In this s
Externí odkaz:
https://doaj.org/article/16a3f168c2ba47f49b9eff62e72f43aa
Autor:
Farzad Vaziri Alamdarlo, Ghahraman Solookinejad, Fazel Zahakifar, Masoud Rezvani Jalal, Masoud Jabbari
Publikováno v:
Journal of Optoelectronical Nanostructures, Vol 6, Iss 2, Pp 91-106 (2021)
In this paper, graphene oxide (GO) and its functionalization with “Amio Methyl Phosphonic Acid” (AMPA) are synthesized using modified Hummers method. Crystal structure of the compounds is investigated by X-ray diffraction pattern (XRD). Fourier t
Externí odkaz:
https://doaj.org/article/84f0bd3476644c369b9a2542f1d3482e
Publikováno v:
آب و فاضلاب, Vol 32, Iss 2, Pp 68-79 (2021)
Strontium is one of the alkaline earth metals in the periodic table. This element has various uses. In this research, solvent extraction of strontium from leach liquor of central Iran metasomatic ores was studied with macrocyclic crown ether ligands.
Externí odkaz:
https://doaj.org/article/84232bb892824a15bf89946616c83937
Publikováno v:
Radiochimica Acta.
Uranium biosorption was investigated using the bio-adsorbent of Plantain leaves. First, the bio-adsorbent structure was characterized using BET, SEM, and FTIR. The effective parameters pH, initial uranium concentration, bio-adsorbent dose, and the te
Publikováno v:
Radiochimica Acta. 110:37-49
The current study presents a simple and scalable method for the synthesis of (aminomethyl)phosphonic acid-functionalized graphene oxide (AMPA-GO) adsorbent. The chemical structure of the new material was disclosed by different instrumental analyses (
Autor:
Fereshte Khanramaki, Fazel Zahakifar
Publikováno v:
Progress in Nuclear Energy. 160:104664
Autor:
Fazel Zahakifar, Ghahraman Solookinejad, Masoud Jabbari, Farzad Vaziri Alamdarlo, Masoud Rezvani Jalal
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 329:1033-1043
In this work, graphene oxide (GO) and (aminomethyl)phosphonic acid–Graphene oxide (AMPA–GO) adsorbents were prepared by the modified Hummers method. The effect of several parameters such as contact time, pH, adsorbent dose, initial concentration,
Publikováno v:
Chemical Engineering and Processing - Process Intensification. 184:109268