Results 11 to 20 of about 6,387 (179)

Bimetallic CoMo Nanoparticles Supported over Carbon-Zeolite Composites as Dibenzothiophene Hydrodesulfurization Catalyst

Bulletin of Chemical Reaction Engineering & Catalysis, 2021
Cobalt molybdenum catalysts supported on novel activated carbon-HZSM-5 composites with different mass ratios were prepared by wet-impregnation method and pre-sulfided by CS2.
Zahra Mohammadian, Mohammad Hasan Peyrovi, Nastaran Parsafard   +2 more
doaj   +1 more source

The Alternating Growth of Bacteria within a Consortium During Desulfurization of Coal

Environment and Natural Resources Journal, 2022
Efforts to reduce organic sulfur in coal are taken through biodesulfurization by using desulfurization bacteria to release covalently-bound sulfur from the coal matrix. Coal is a complex hydrocarbon material that requires collaboration from more than one
Megga Ratnasari Pikoli, Pingkan Aditiawati, Dea Indriani Astuti, Akhmaloka   +3 more
doaj   +1 more source

Three Novel Sets of Cs2H[PW4Mo8O40] Based on Various Supports: insight Into Comparative Evaluation in Oxidative Desulfurization [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2020
Three novel heterogeneous catalysts were prepared by immobilization of a synthesized cesium salt of 4-tungsto-8-molybdophosphoric acid (abbreviated as CW4Mo8) on well prepared and modified support materials of UiO-66, microsphere SBA-15 and Graphene ...
Azam Akbari, Hanieh Fakhri
doaj   +1 more source

Activity Evaluation of CoMo Nanoparticles Supported on Meso-microporous Composites in Dibenzothiophene Hydrodesulphurization

Bulletin of Chemical Reaction Engineering & Catalysis, 2020
CoMo-supported mesoporous catalysts were synthesized by 50 wt% of HZSM-5 and 50 wt% of FSM-16, KIT-6, and MCM-48. These catalysts were prepared by the wet-impregnation method and pre-sulfided with CS2.
Nastaran Parsafard, Mohammad Hasan Peyrovi, Zahra Mohammadian, Niloofar Atashi   +3 more
doaj   +1 more source

Ionothermal Synthesis of Metal Oxide-Based Nanocatalysts and Their Application towards the Oxidative Desulfurization of Dibenzothiophene

Journal of Chemistry, 2020
Herein, different types of metal-containing ionic liquid (IL) complexes and various metal oxide-based nanocatalysts have been successfully prepared (from ionic liquids) and applied for the oxidative desulfurization (ODS) of dibenzothiophene (DBT).
Bader Alenazi, Ali Alsalme, Saad G. Alshammari, Rais Ahmad Khan, Mohammed Rafiq H. Siddiqui   +4 more
doaj   +1 more source

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

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

Adsorption of thiophene, dibenzothiophene, and 4,6-dimethyl dibenzothiophene on activated carbons [PDF]

Adsorption Science & Technology, 2016
Four activated carbons (ACs) activated by different activation methods from different precursors were heat-treated at 600℃ to decrease surface oxygen functional groups and to separate the effect of pore texture from surface chemistry on their sulfur adsorption performance.
Zhijun Li, Shuangling Jin, Rui Zhang, Xia Shao, Shimin Zhang, Ning Jiang, Minglin Jin, Tingting Meng, Yanhan Mu   +8 more
openaire   +2 more sources

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