Nitrobenzene

About: Nitrobenzene is a research topic. Over the lifetime, 5285 publications have been published within this topic receiving 83368 citations. The topic is also known as: essence of mirbane & nitrobenzol.

Photocatalytic Degradation of Aqueous Nitrobenzene Solution Using Nanocrystalline Mg-Mn Ferrites

Abstract: MgxMn1-xFe2O4 (x = 00, 02, 04, 05, 06 08 and 10) spinel ferrite system was synthesized by the chemical co-precipitation route Subsequent characterization of synthesized Mg-Mn ferrites was carried out by X-ray powder diffraction and transmission electron microscopy to study the structural and textural properties of photocatalysts Porosity, surface area and equivalent surface free energy of different Mg-Mn ferrite photocatalysts were calculated The photocatalytic activity of synthesized photocatalysts was evaluated by degradation of nitrobenzene in aqueous medium under ultraviolet light irradiation The results demonstrated that the percentage degradation of nitrobenzene was decreased with increase in Mg concentration (x) from x = 00 05 and further increase in concentration from x = 06 10 results increase in percentage degradation of NB This dissimilarity in the percentage degradation of NB may be due to the change in grain morphology, optical energy band gap, role played by d-electrons and porosity as a function of Mg-substitution for Mn2+ in the system The percentage degradation was further confirmed by chemical oxygen demand (COD) analysis

Pure and Alloyed Copper‐Based Nanoparticles Supported on Activated Carbon: Synthesis and Electrocatalytic Application in the Reduction of Nitrobenzene

Abstract: A series of Cu–CuxO, Pt–Cu alloy, and Pt nanoparticles supported on inexpensive activated carbon with large surface area were developed as electrocatalysts for the reduction of nitrobenzene. This reaction can produce useful chemicals with the potential to cogenerate electricity if applied in a fuel cell. Both the nature of the metal employed and of the carbon material used as support play an important role in determining the performance of the electrocatalysts. Cu-based materials display lower onset potentials for the reduction of nitrobenzene, whereas the features of the activated carbon influence the stability of the electrocatalysts. The most promising electrocatalyst consisted of highly dispersed and very small Cu–CuxO nanoparticles (∼4 nm) supported on Norit activated carbon, which were prepared using H2 as reductant. A chronoamperometric test in acidic ethanolic medium gave good conversion of nitrobenzene over this electrocatalyst, with azoxybenzene as the major product.