Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Mostefa Abbessi"'
Autor:
Ouahiba Bechiri, Mostefa Abbessi
Publikováno v:
Journal of Water and Environmental Nanotechnology, Vol 2, Iss 1, Pp 9-16 (2017)
The main objective of this work is to study the oxidation of naphthol blue black (NBB) in aqueous solution by hydrogen peroxide using a recyclable Dawson type heteropolyanion [H1.5Fe1.5P2W12Mo6O61.23H2O] as catalyst.The effects of various experimenta
Externí odkaz:
https://doaj.org/article/85177cbb5b4f41708a7ca90598d561b2
The adsorption of a dye, methylene blue, by a cesium Dawson heteropolyanion HCs5P2W18O62.16H2O, was investigated. In heterogeneous catalysis, adsorption is a crucial step. Adsorption can also be used as a separation process to remove colours that may
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb0f3e8785c31db250e278ee7af021f8
https://doi.org/10.9734/bpi/nicb/v1/8552d
https://doi.org/10.9734/bpi/nicb/v1/8552d
Publikováno v:
SN Applied Sciences. 2
The main objective of this work is to study the oxidation of the acid orange 7 (AO7) in an aqueous solution by using the hydrogen peroxide in the presence of vanadium substituted heteropolytungstate (α1P2W17VO62)6− as a catalyst. The effects of va
Publikováno v:
Catalysis Science & Technology. 5:1052-1064
A natural bentonite from Mostaganem in Algeria was modified by intercalation with polyoxocationic solutions (Al·Fe, Al·Co, Al·Cu, Al·Fe·Cu or Al·Fe·La). The modification of the bentonite occurred via pillaring by ionic exchange with these solu
Publikováno v:
Sensors & Transducers, Vol 27, Iss Special Issue, Pp 354-360 (2014)
The objective of this study is to test the inhibiting activity of new molecules of heteropolyanions synthesized such as (K6P2W18, H6P2W18, K6P2W12 MO6, H6P2W12 MO6) with respect to two bacterial strains (Staphylococcus aureus and Echerichia coli). Th
Autor:
Nacéra Zabat, Mostefa Abbessi
Publikováno v:
Desalination and Water Treatment. 53:709-717
In this work, the simultaneous complexation of the bivalent elements (Ni 2+ ,P b 2+ ,C d 2+ )b y a lacunar mixed heteropolyanion of Dawson type (α2P2W15Mo2O61·nH2O) 10� was studied. These elements are in couple (Ni 2+ ,P b 2+ ), (Ni 2+ ,C d 2+ ),
Publikováno v:
Desalination and Water Treatment. 51:6110-6114
This study evaluates the potential of Fe(III)P2W12Mo5/H2O2 system in the decolorization of one common industrial azo dye, naphthol blue black (NBB). The effects of different parameter’s dye decolorization were investigated. The studied parameters w
Autor:
Nacéra Zabat, Mostefa Abbessi
Publikováno v:
Research on Chemical Intermediates. 41:1691-1702
This study involves the synthesis of a ferric compound called heteropolyanion of Dawson type (α 2P2W17FeO61)7−, which it is aimed to apply as a catalyst in an advanced oxidation process, in the presence of H2O2 to remove an organic pollutant, meth
Publikováno v:
Research on Chemical Intermediates. 39:2945-2954
In this research, the oxidation of an azo dye (methyl-orange) by H2O2, in an aqueous solution, using a Dawson-type heteropolyanion (α2P2W12Mo5O61Fe)7− as catalyst was studied. The effects of different parameters dye oxidation were investigated. Th
Autor:
Ouahiba Bechiri, R. Kherrat, Nicole Jaffrezic-Renault, S. Baali, N. Fertikh, Mostefa Abbessi, Saida Zougar
Publikováno v:
Sensor Letters. 9:2287-2290