Study of the catalytic wet air oxidation of p-hydroxybenzoic acid on a fresh ruthenium catalyst supported by different oxides

Autor: Tijani Hammedi, Rahma Bensouilah, Abdelkader Ouakouak, Jordi Llorca, Francisco Medina Cabello, Zouhaier Ksibi

Publikováno v: Heliyon, Vol 9, Iss 10, Pp e20875- (2023)

The catalytic wet air oxidation (CWAO) of p-hydroxybenzoic acid (p-HBA) was conducted in a batch reactor at 140 °C, and at a total air pressure of 50 bar over Ru-based catalysts. Four materials were selected as supports – TiO2, CeO2–TiO2, ZrO2�

Externí odkaz: https://doaj.org/article/c703a6d7de9147949a08ca2a1702cea9

Effect of the variation of metal and cerium loadings on CeO2x–TiO2(100−x) supports in the complete catalytic oxidation of formaldehyde

Autor: Lilian Olivet, Zouhaier Ksibi, Abdelhamid Ghorbel, Tijani Hammedi, Jacques Barbier, Céline Fontaine, Stéphane Pronier, Rahma Bensouilah

Publikováno v: Research on Chemical Intermediates. 47:813-834

Formaldehyde has been successfully converted into CO2 and H2O at low temperature in the presence of CeO2x–TiO2(100−x) mixed oxides prepared by the sol–gel method. A high selectivity in CO2 was observed with the Ce50Ti50 catalyst. In order to im

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5bbdc39355b2e3321276135bda809333
https://doi.org/10.1007/s11164-020-04299-1

Comparative study of the efficiency of different noble metals supported on zirconium oxide in the catalytic wet air oxidation of bisphenol-A solution

Autor: Abdelhamid Ghorbel, Rahma Bensouilah, Zouhaier Ksibi, Tijani Hammedi, AdbelKader Ouakouak

Publikováno v: Chemical Physics Letters. 761:138022

Noble metals supported on ZrO2 catalysts were elaborated using sol-gel and impregnation methods then studied for catalytic wet air oxidation of bisphenol-A (BPA) in water. The prepared solids were characterized by N2-physisorption at 77 k, XRD, TEM,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::728d48b0468039d39ad7ec4dc129c4d0
https://doi.org/10.1016/j.cplett.2020.138022

Catalytic wet hydrogen peroxide oxidation of p-hydroxybenzoic acid over Fe/TiO2 and 0.5Ru–3Fe/TiO2

Autor: Zouhaier Ksibi, Tijani Hammedi, Mohamed Triki, Francisco Medina, Abdelhamid Ghorbel

Publikováno v: Journal of Sol-Gel Science and Technology. 76:679-685

p-Hydroxybenzoic acid (p-HBZ) degradation was achieved using catalytic wet hydrogen peroxide oxidation over Fe/TiO2 and Ru–Fe/TiO2 under mild conditions. The results showed that 71 % of p-HBZ conversion was obtained after 10 min of reaction over th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::22c3dbd1c041a9bf26287f5f7bcca84b
https://doi.org/10.1007/s10971-015-3820-3

Total degradation of p-hydroxybenzoic acid by Ru-catalysed wet air oxidation: a model for wastewater treatment

Autor: Francisco Medina, Zouhaier Ksibi, Tijani Hammedi, Jordi Llorca, Abdelhamid Ghorbel, R.J. Chimentão, Mohamed Triki, Mayra G. Álvarez

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Catalytic wet air oxidation using heterogeneous catalysts is a promising technology for treatment of wastewaters. Wastewaters from olive oil mills are difficult to clean because effluents contain high levels of phenolic compounds that cannot be remov

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2519c7a3f354daa0763952c8eb885f3
https://hdl.handle.net/2117/82608