Zobrazeno 1 - 10
of 133
pro vyhledávání: '"Hossein Faghihian"'
Publikováno v:
Global Challenges, Vol 2, Iss 1, Pp n/a-n/a (2018)
Abstract In order to prepare the magnetic adsorbent, polymerization of pyrrole is performed in a mixture containing Fe3O4 and FeCl3. FTIR, XRD, SEM, EDAX, BET and VSM techniques are employed to characterize the synthesized adsorbent. The results indi
Externí odkaz:
https://doaj.org/article/72b4353f070849829962eba35613af05
Autor:
Khadijeh Rezaee Ebrahimi Saraee, Hossein Faghihian, Mohammadreza Abdi, Hamidreza Shakor, Reza Jafari
Publikováno v:
مجله علوم و فنون هستهای, Vol 35, Iss 1, Pp 78-83 (2014)
Abstract: The influence of gamma ray radiation on ion-exchange capacity of sodium-clinoptilolite was studied. The absorber sample was subjected to gamma irradiation with doses of 70 to 2000 kGy. The chromium (VI) adsorption capacity of the irradiated
Externí odkaz:
https://doaj.org/article/74ab3431da2d4aee8f8ef3062a729447
Autor:
Hossein Faghihian, Marzieh Rasekh
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 33, Iss 1, Pp 45-51 (2014)
Unmodified zeolites show little affinity for anions due to the fact that their surfaces are negatively charged. However modification of zeolites with amines turns their negative surface charge to positive and creating higher adsorption capacity for a
Externí odkaz:
https://doaj.org/article/fe14a873f37346b4a78509f2a6db2920
Autor:
Hossein Faghihian, Mehri Yahyaie
Publikováno v:
Journal of Chemical and Petroleum Engineering, Vol 47, Iss 2, Pp 107-114 (2013)
In this research, adsorption of dibenzothiophene (DBT) as a model of sulfur containing material has been studied by Pb exchanged Y-zeolite under different experimental conditions. The adsorption was kinetically fast and high adsorption capacity was o
Externí odkaz:
https://doaj.org/article/319d23366b0a4c7f981f2d55c1a5fffd
Autor:
Hossein Faghihian, Shakiba Naeemi
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 32, Iss 3, Pp 9-15 (2013)
In this research, zeolite-TiO2 nanocomposite was prepared for degradation of dibenzothiophene as a typical aromatic organosulfur compound of transportation fuels.The synthesized TiO2 was immobilized on the surface of clinoptilolite by Solid State Dis
Externí odkaz:
https://doaj.org/article/7f0fd4f7baa843a785c4eeca5f8e4b57
Autor:
Hossein Faghihian, Ebrahim Sabokrooh
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 31, Iss 4, Pp 1-9 (2012)
In this research new adsorbents were prepared by modification of surfactant-coated g-alumina with three ligands; 1-(2-pyridylazo)-2-naphtol (PAN), dithizone (HDZ) and dimetyl golyoxime (DMG). The adsorbents were used for removal and pre-concentration
Externí odkaz:
https://doaj.org/article/7f97557b94f14b3e95ce761c70083d15
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 30, Iss 2, Pp 15-22 (2011)
Amino acids have been extensively used in several processes of the pharmaceutical and food industries. Treatments for the recovery and reuse of the wastewaters generated from these processes are few and little known. This work aims at studying the in
Externí odkaz:
https://doaj.org/article/9629a46c25e342c990d2ab3e78b58a87
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 30, Iss 2, Pp 23-31 (2011)
A new category of hybrid organic-inorganic zirconium phosphonate, Zr[(O3PCH2)2NC6H4CO2H].2H2O was synthesized and the applicability of the prepared sorbent as an ion-exchanger for removal of Ni2+, Cu2+ and Zn2+ from aqueous solutions was evaluated. T
Externí odkaz:
https://doaj.org/article/31b7430d276b49c9a97779b749f1d1fb
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 28, Iss 1, Pp 23-30 (2009)
In this research Na-Y was synthesized by hydrothermal method and used as support for preparation of Sn/Pt/Na-Y catalysts using two different tin precursors, Bu3Sn(Cl) and SnCl2.2H2O, by sequential impregnation, in which the Pt was deposited first and
Externí odkaz:
https://doaj.org/article/48f134516ed84f9bae4a7dae0b0acedc
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 27, Iss 4, Pp 115-118 (2008)
Nitrate is an anion of major importance particularly in biological areas. Excessive amounts in water supplies indicate pollution from sewage or agricultural effluents. The effects of excessive quantities of nitrate in water are well known. In this re
Externí odkaz:
https://doaj.org/article/e39a3b922d9943b5a3bdfb9592191f4e