Results 21 to 30 of about 10,218 (161)

Testing conditions for CoMo HDS catalyst in the kinetic region: integrated approach using the math calculations and catalytic experiments

Chimica Techno Acta, 2023
The main idea of the investigation was to define testing parameters with the lowest influence of internal and external diffusion on catalytic activity in hydrodesulfurization of dibenzothiophene.
Polina P. Mukhacheva, Yuliya V. Vatutina, Ivan A. Mik, Ksenia A. Nadeina, Maxim O. Kazakov, Oleg P. Klenov, Oleg V. Klimov, Aleksandr S. Noskov   +7 more
doaj   +1 more source

Estudo de adsorção de compostos sulfurados utilizando um diesel comercial dopado com benzotiofeno e dibenzotiofeno Study of adsorption of sulphur compounds employing a comercial diesel dopped with benzothiophene and dibenzothiophene

Química Nova, 2009
Desulphurization process by adsorption was studied employing a commercial diesel dooped with 1000 mg/L of benzothiophene and dibenzothiophene. The adsorbents materials employed were three types of activated alumina (acid, basic and neutral).
Robison P. Scherer, Álvaro L. Malvesti, Sibele B. C. Pergher, Wladmir Ferraz de Souza   +3 more
doaj   +1 more source

DBT degradation enhancement by decorating Rhodococcus erythropolis IGST8 with magnetic Fe3O4 nanoparticles [PDF]

, 2009
Biodesulfurization (BDS) of dibenzothiophene (DBT) was carried out by Rhodococcus erythropolis IGST8 decorated with magnetic Fe3O4 nanoparticles, synthesized in-house by a chemical method, with an average size of 45-50 nm, in order to facilitate the post-
Ansari, Farahnaz, Libor, Zsuzsanna, Grigoriev, P., Ramsden, Jeremy J., Tothill, Ibtisam E.   +4 more
core   +1 more source

Aqueous-Phase Production of Secondary Organic Aerosols from Oxidation of Dibenzothiophene (DBT)

Atmosphere, 2020
Intermediate-volatility organic compounds (IVOCs) have been recognized as an important contributor to the secondary organic aerosol (SOA) formation via gas-phase reactions.
Yu Liu, Junchen Lu, Yanfang Chen, Yue Liu, Zhaolian Ye, Xinlei Ge   +5 more
doaj   +1 more source

Mixing-assisted oxidative desulfurization of model sulfur compounds using polyoxometalate/H2O2 catalytic system

Sustainable Environment Research, 2016
Desulfurization of fossil fuel derived oil is needed in order to comply with environmental regulations. Dibenzothiophene and benzothiophene are among the predominant sulfur compound present in raw diesel oil.
Angelo Earvin Sy Choi, Susan Roces, Nathaniel Dugos, Meng-Wei Wan   +3 more
doaj   +1 more source

Preparation of Carbon-Based Solid Acid Catalyst from High-Sulfur Petroleum Coke with Nitric Acid and Ball Milling, and a Computational Evaluation of Inherent Sulfur Conversion Pathways

Molecules, 2023
A series of petroleum coke (petcoke)-derived solid acid catalysts were prepared via nitric acid treatment with or without ball milling pretreatment.
Qing Huang, Natalia M. Cabral, Xing Tong, Annelisa S. Schafranski, Pierre Kennepohl, Josephine M. Hill   +5 more
doaj   +1 more source

Synthesis of Zeolite Y from Kaolin and Its Model Fuel Desulfurization Performance: Optimized by Box-Behnken Method [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2020
In this research, zeolite Na-Y was synthesized from Kaolin without an organic template under the non-hydrothermal condition to adsorb sulfur compound. Model fuel desulfurization was optimized by employing the Box-Behnken experimental design with 2 center
Somayyeh Honarmand, Elham Sadat Moosavi, Ramin Karimzadeh   +2 more
doaj   +1 more source

Catalytic Oxidative Desulfurization of Dibenzothiophene Utilizing Composite Based Zn/Al Layered Double Hydroxide

Bulletin of Chemical Reaction Engineering & Catalysis, 2022
In this study, the Zn/Al-TiO2 and Zn/Al-ZnO was successfully synthesized. The catalysts were characterized by X-ray Diffraction (XRD), Fourier Transform Infra Red (FTIR), and Scanning Electron Microscope—Energy Dispersive X-ray Spectroscopy (SEM-EDS ...
Nur Ahmad, Erni Salasia Fitri, Afan Wijaya, Amri Amri, Mardiyanto Mardiyanto, Idha Royani, Aldes Lesbani   +6 more
doaj   +1 more source

Enhancing biodesulfurization by engineering a synthetic dibenzothiophene mineralization pathway

Frontiers in Microbiology, 2022
A synthetic dibenzothiophene (DBT) mineralization pathway has been engineered in recombinant cells of Pseudomonas azelaica Aramco J strain for its use in biodesulfurization of thiophenic compounds and crude oil.
Igor Martínez, Magdy El-Said Mohamed, José Luis García, Eduardo Díaz   +3 more
doaj   +1 more source

Immobilized VO–Schiff Base Complex on Modified Graphene Oxide Nanosheets as an Efficient and Recyclable Heterogeneous Catalyst in Deep Desulfurization of Model Oil

Acta Chimica Slovenica, 2020
New heterogeneous catalyst was synthesized via covalent anchoring of oxovanadium(IV) complex of 5,5′-dibromobis(salicyledene)diethylenetriamine (VO[5-Br(Saldien)]) on the surface of chloro-modified graphene oxide (GO@CTS).
Maryam Abdi, Abdollah Fallah Shojaei, Mohammad Ghadermazi, Zeinab Moradi-Shoeili   +3 more
doaj   +1 more source