Výsledky vyhledávání - "Siham Benadji"

Akademický článek

Preparation, Characterization, and Catalytic Activity of Tin (Antimony) Substituted and Lacunar Dawson Phosphotungstomolybdates for Synthesis of Adipic Acid

Autor: Mohamed Riad Guerroudj, Leila Dermeche, Lynda Mouheb, Tassadit Mazari, Siham Benadji, Chérifa Rabia

Publikováno v: Bulletin of Chemical Reaction Engineering & Catalysis, Vol 14, Iss 2, Pp 283-293 (2019)

Tin (antimony) substituted and lacunar Dawson phosphotungstomolybdates (a1-K10P2W12Mo5ÿO61, a1-K8P2W12Mo5SnO61 and a-Cs4SnP2W12Mo6O62,and a-Cs3SbP2W12Mo6O62) were synthesized and characterized by Fourier Transform Infra Red (FTIR), nuclear magnetic

Externí odkaz: https://doaj.org/article/6d4bed6fe12e4a369675a0c4bd3a810d

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Homogeneous and heterogeneous sunflower oil methanolysis over 12-tungstophosphoric, sulfuric and boric acids

Autor: Siham Benadji, Tassadit Mazari, Maamar Hamdi, Yasmina Idrissou, Chérifa Rabia

Publikováno v: Reaction Kinetics, Mechanisms and Catalysis. 119:291-304

A series of acids with different strength acidity, heteropolyacid H3PW12O40 (HPW) and oxoacids, H2SO4 and H3BO3 were used as catalysts for the sunflower oil methanolysis with an oil/methanol ratio of 1/29, a reaction temperature of 60 °C and a react

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1ccfba97491b165a405b129917cb483a
https://doi.org/10.1007/s11144-016-1042-5

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Dawson-type polyoxometalates as green catalysts for adipic acid synthesis

Autor: Chérifa Rabia, Siham Benadji, Tassadit Mazari, M. Moudjahed, Leila Dermeche

Publikováno v: Journal of Molecular Catalysis A: Chemical. 414:72-77

Dawson-type POMs series of formula α- and β-K 6 P 2 W 18 O 62 isomers, α1- and α2-K 6 P 2 Mo 5 W 13 O 62 isomers, α-K 6 P 2 Mo 6 W 12 O 62 isomer and α1-K 7 P 2 Mo 5 VW 12 O 62 isomer, have been used as catalysts for the liquid phase oxidation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9d45c8f6b0659d49ae6da61aa1f87670
https://doi.org/10.1016/j.molcata.2015.12.014

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Clean Adipic Acid Synthesis from Liquid-Phase Oxidation of Cyclohexanone and Cyclohexanol Using (NH4)(x)A(y)PMo(12)O(40) (A: Sb, Sn, Bi) Mixed Heteropolysalts and Hydrogen Peroxide in Free Solvent

Autor: Lynda Mouheb, Leila Dermeche, Siham Benadji, Tassadit Mazari, Chérifa Rabia, Nadine Essayem

Publikováno v: Catalysis Letters
Catalysis Letters, Springer Verlag, 2018, 148 (2), pp.612-620. ⟨10.1007/s10562-017-2263-6⟩

Clean synthesis of adipic acid (AA) from oxidation of cyclohexanone, cyclohexanol or mixture cyclohexanol/cyclohexanone, was carried out at 90 °C, in the presence of hydrogen peroxide (30%) in free solvent, using Keggin-type polyoxometalates, (NH4)x

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81c38a1d9d96b4795248bb30dec30879
https://hal.archives-ouvertes.fr/hal-01721063

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Preparation, Characterization, and Catalytic Activity of Tin (Antimony) Substituted and Lacunar Dawson Phosphotungstomolybdates for Synthesis of Adipic Acid

Autor: Lynda Mouheb, Chérifa Rabia, Tassadit Mazari, Siham Benadji, Mohamed Riad Guerroudj, Leila Dermeche

Publikováno v: Bulletin of Chemical Reaction Engineering & Catalysis, Vol 14, Iss 2, Pp 283-293 (2019)

Tin (antimony) substituted and lacunar Dawson phosphotungstomolybdates (a1-K 10 P 2 W 12 Mo 5 yO 61 , a1-K 8 P 2 W 12 Mo 5 SnO 61 and a-Cs 4 SnP 2 W 12 Mo 6 O 62 ,and a-Cs 3 SbP 2 W 12 Mo 6 O 62 ) were synthesized and characterized by Fourier Transfo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60bfacd74755795b770117f15597f1bd
https://doi.org/10.9767/bcrec.14.2.2905.283-293

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Préparation, caractérisation et réactivité de l'acide 1-vanado-11-molybdo-phosphorique supporté sur des matériaux silicatés mésoporeux dans l'oxydation du propène

Autor: Chérifa Rabia, Siham Benadji, Eric M. Gaigneaux, Alexandre Léonard, Bao-Lian Su, Pierre Eloy

Publikováno v: Comptes rendus. Chimie, Vol. 15, no. 8, p. 658-668 (2012)

L’hétéropolyacide (HPA), H4PMo11VO40 a été supporté avec 30 % en poids par la méthode d’imprégnation sèche sur des matériaux mésoporeux de type HMS, CMI-1 et SBA-15. L’état du HPA et ceux des supports ont été examinés par physisor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4369e7c582eb2f98fcfdcde08851055
https://researchportal.unamur.be/en/publications/0e1bbc96-2373-4baa-9e34-68839005df78

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Characterization of H3+xPMo12−xVxO40 heteropolyacids supported on HMS mesoporous molecular sieve and their catalytic performance in propene oxidation

Autor: Chérifa Rabia, Pierre Eloy, Bao-Lian Su, Eric M. Gaigneaux, Siham Benadji, Alexandre Léonard

Publikováno v: Microporous and Mesoporous Materials. 154:153-163

Materials, consisting of H3+xPMo12−xVxO40 heteropolyacids (HPAs) with x = 0–3, supported on a HMS mesoporous pure-silica molecular sieve, have been prepared by means of dry impregnation method and characterized by elemental analysis, X-ray diffra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ffbe74e92727ca431af67385827f352
https://doi.org/10.1016/j.micromeso.2012.01.002

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Preparation of CMI-1 supported H3+xPMo12-xVxO40 for the selective oxidation of propylene

Autor: Alexandre Léonard, Chérifa Rabia, Siham Benadji, Pierre Eloy, Bao-Lian Su, Eric M. Gaigneaux

Catalysts, comprising 30 wt.% of heteropolyacids (HPAs) H3+xPMo12−xVxO40 (x = 0−3) supported on a mesoporous material CMI-1 by dry impregnation were characterized by several techniques. Their catalytic performances were compared to those of bulk

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::115c161922cfe1d731cafb5c5a27c49f
https://doi.org/10.1016/s0167-2991(10)75132-6

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